Updated daily · latest data:
Which seller has the cheapest train ticket?
A student project, started out of curiosity: since October 2026 I have been checking the fares of the same trains at many railway sellers every day.
9,795 trains compared198 routes15 sellersup to €196 price difference for the same train
Major cities only: 198 routes between 42 cities · tap one on the map to search
No connection found
So far we only compare routes between 42 major cities in Europe. Maybe one of these fits:
All routes
Not measured in this direction, but in the opposite one:
No direct route measured, but with a change between measured routes:
Separate tickets, connection not guaranteed.
- Prague → Warsaw4.7 times as expensive at DB (median) · 14 trainsČD7 of 8from €25.46save up to €112
- Augsburg → Prague2.1 times as expensive at ČD (median) · 66 trainsDB56 of 66from €25.43save up to €124
- Munich → VeronaÖBB cheaper than DB and Trenitalia for 23% of trains · 184 trainsÖBB99 of 119from €31.40save up to €53
- Verona → MunichÖBB cheaper than DB and Trenitalia for 46% of trains · 105 trainsÖBB74 of 87from €31.40save up to €59
- Innsbruck → VeronaDB cheaper than ÖBB and Trenitalia for 42% of trains · 105 trainsÖBB38 of 61from €14.99save up to €28
- Prague → Augsburg79 % more at ČD (median) · 59 trainsDB41 of 59from €32.57save up to €94
- Budapest → Munich2.1 times as expensive at ÖBB (median) · 203 trainsMÁV123 of 193from €37.99save up to €122
- Paris → MilanSBB cheaper than Trenitalia for 89% of trains · 61 trainsSBB54 of 61from €130save up to €123
- Prague → Munich71 % more at DB (median) · 181 trainsČD136 of 181from €18.91save up to €91
- Zurich → Vienna18 % more at Omio (median) · 116 trainsÖBB108 of 111from €44.90save up to €96
- Prague → Budapest23 % more at Omio (median) · 321 trains · not yet compared with RegioJetMÁV97 of 180from €26.90save up to €31
- Vienna → Munich20 % more at ÖBB (median) · 73 trainsDB55 of 72from €26.90save up to €46
- Munich → Budapest3.1 times as expensive at ÖBB (median) · 29 trainsMÁV16 of 18from €38.00save up to €98
- Zurich → Milan20 % more at Trenitalia (median) · 100 trainsSBB57 of 98from €96.00save up to €4
- Vienna → Prague23 % more at Omio (median) · 175 trains · not yet compared with RegioJetČD116 of 141from €16.90save up to €54
- Budapest → Augsburg74 % more at ÖBB (median) · 95 trainsMÁV82 of 95from €45.00save up to €123
- Munich → Prague72 % more at DB (median) · 40 trainsČD30 of 40from €18.91save up to €103
- Berlin → Vienna50 % more at ÖBB (median) · 102 trainsDB61 of 102from €100save up to €152
- Amsterdam → Frankfurt13 % more at Omio (median) · 317 trainsDB309 of 312from €46.99save up to €77
- Vienna → Budapest84 % more at ÖBB (median) · 92 trainsMÁV88 of 92from €17.00save up to €32
- Verona → InnsbruckDB cheaper than ÖBB and Trenitalia for 25% of trains · 20 trainsÖBB12 of 18from €9.50save up to €44
- Budapest → Prague26 % more at Omio (median) · 242 trainsMÁV119 of 182from €30.00save up to €27
- Budapest → Vienna62 % more at ÖBB (median) · 156 trainsMÁV148 of 156from €25.00save up to €28
- Augsburg → Budapest2.3 times as expensive at ÖBB (median) · 53 trainsMÁV41 of 49from €45.00save up to €123
- Augsburg → VeronaÖBB cheaper than DB for 92% of trains · 13 trainsÖBB12 of 13from €41.80save up to €58
- Berlin → Prague18 % more at Omio (median) · 151 trainsČD84 of 136from €35.61save up to €25
- Prague → Viennahardly any price differences · 261 trains · not yet compared with RegioJetČD103 of 200from €16.90save up to €13
- London → Amsterdam17 % more at Omio (median) · 16 trainsEurostar13 of 13from €74.00save up to €129
- Kaunas → Warsaw59 % more at LTG Link (median) · 75 trainsPKP Intercity57 of 73from €12.10save up to €12
- Munich → Vienna47 % more at ÖBB (median) · 198 trainsDB148 of 161from €29.99save up to €57
- Amsterdam → Berlin19 % more at Omio (median) · 303 trainsDB277 of 278from €72.99save up to €37
- Warsaw → Prague22 % more at Omio (median) · 103 trainsČD58 of 88from €25.22save up to €6
- Verona → AugsburgÖBB cheaper than DB for 83% of trains · 12 trainsÖBB10 of 12from €55.60save up to €60
- Frankfurt → Milan35 % more at SBB (median) · 113 trainsDB102 of 113from €97.59save up to €107
- Vienna → Berlin20 % more at ÖBB (median) · 55 trainsDB34 of 55from €39.99save up to €196
- Prague → Bratislava28 % more at Omio (median) · 35 trains · not yet compared with RegioJetČD24 of 25from €16.90save up to €7
- Augsburg → ZurichÖBB cheaper than DB and SBB for 21% of trains · 29 trainsDB23 of 29from €36.99save up to €5
- Augsburg → Vienna37 % more at ÖBB (median) · 73 trainsDB56 of 73from €32.90save up to €81
- Vilnius → Warsaw43 % more at LTG Link (median) · 78 trainsPKP Intercity54 of 76from €16.10save up to €13
- Prague → Leipzig39 % more at ČD (median) · 23 trainsDB17 of 23from €26.46save up to €43
- London → Brussels13 % more at Omio (median) · 403 trainsEurostar400 of 403from €112save up to €46
- Paris → FrankfurtSBB cheaper than DB for 17% of trains · 83 trainsDB69 of 83from €79.99save up to €35
- Zurich → AugsburgÖBB cheaper than DB and SBB for 18% of trains · 22 trainsDB18 of 22from €66.99save up to €4
- Prague → Hamburg49 % more at DB (median) · 17 trainsČD14 of 17from €39.73save up to €175
- Vienna → Venice15 % more at Trenitalia (median) · 51 trainsÖBB41 of 44from €39.90save up to €20
- Zurich → Munich43 % more at ÖBB (median) · 232 trainsDB200 of 231from €44.99save up to €39
- Amsterdam → Paris16 % more at Omio (median) · 51 trainsEurostar51 of 51from €99.00save up to €38
- Berlin → Warsaw13 % more at Omio (median) · 36 trainsDB25 of 36from €40.41save up to €14
- Frankfurt → Amsterdam17 % more at Omio (median) · 44 trainsDB44 of 44from €48.99save up to €26
- Warsaw → Berlin8 % more at DB (median) · 96 trainsPKP Intercity52 of 84from €29.99save up to €8
- Brussels → London12 % more at Omio (median) · 177 trainsSNCB International108 of 108from €98.00save up to €33
- Vilnius → Krakow38 % more at LTG Link (median) · 38 trainsPKP Intercity30 of 37from €25.33save up to €10
- Lyon → Paris11 % more at Omio (median) · 173 trainsTrenitalia158 of 158from €35.00save up to €85
- Krakow → Vienna6 % more at PKP Intercity (median) · 59 trainsÖBB41 of 59from €20.15save up to €10
- Bratislava → Prague23 % more at Omio (median) · 25 trains · not yet compared with RegioJetČD16 of 16from €16.90save up to €7
- Warsaw → Vienna75 % more at PKP Intercity (median) · 13 trainsÖBB13 of 13from €28.90save up to €1
- Vienna → Augsburg18 % more at ÖBB (median) · 49 trainsDB40 of 45from €36.90save up to €61
- Paris → Lyon10 % more at Omio (median) · 118 trainsTrenitalia116 of 116from €59.00save up to €16
- Prague → Berlin3 % more at DB (median) · 191 trainsČD114 of 191from €35.61save up to €29
- Cologne → Amsterdam16 % more at Omio (median) · 25 trainsDB25 of 25from €25.99save up to €12
- Kopenhagen → Hamburg2.4 times as expensive at ÖBB (median) · 39 trainsDB37 of 39from €33.99save up to €47
- Düsseldorf → Amsterdam14 % more at Omio (median) · 25 trainsDB25 of 25from €35.99save up to €11
- Vienna → Zurich10 % more at Omio (median) · 19 trains · not yet compared with ÖBBSBB10 of 11from €66.70save up to €32
- Vienna → Nuremberg23 % more at ÖBB (median) · 48 trainsDB36 of 48from €54.50save up to €66
- Paris → Amsterdam11 % more at Omio (median) · 63 trainsEurostar48 of 48from €59.00save up to €15
- Amsterdam → Cologne13 % more at Omio (median) · 25 trainsDB25 of 25from €25.99save up to €13
- Amsterdam → Düsseldorf13 % more at Omio (median) · 23 trainsDB23 of 23from €44.99save up to €12
- London → Paris13 % more at Omio (median) · 720 trainsEurostar720 of 720from €151save up to €73
- Paris → London16 % more at Omio (median) · 208 trainsEurostar208 of 208from €75.00save up to €93
- Hamburg → Prague57 % more at DB (median) · 12 trainsČD10 of 12from €26.46save up to €79
- Zurich → Stuttgart16 % more at Omio (median) · 18 trainsDB18 of 18from €39.99save up to €12
- Amsterdam → Hamburg13 % more at Omio (median) · 21 trainsDB21 of 21from €59.99save up to €14
- Augsburg → Paris17 % more at Omio (median) · 63 trainsDB63 of 63from €68.99save up to €28
- Frankfurt → Paris20 % more at SBB (median) · 13 trainsDB11 of 13from €59.99save up to €63
- Frankfurt → Basel18 % more at Omio (median) · 22 trainsDB22 of 22from €32.99save up to €91
- Paris → Zurich12 % more at Omio (median) · 96 trainsSBB96 of 96from €119save up to €22
- Basel → Frankfurt16 % more at Omio (median) · 19 trainsDB16 of 19from €33.99save up to €38
- Paris → Augsburg12 % more at Omio (median) · 68 trainsDB68 of 68from €76.99save up to €22
- Cologne → Parishardly any price differences · 133 trainsEurostar117 of 117from €85.00save up to €14
- London → Cologne13 % more at Omio (median) · 40 trainsEurostar40 of 40from €167save up to €44
- Berlin → Amsterdam16 % more at Omio (median) · 19 trainsDB19 of 19from €45.99save up to €26
- Brussels → Hamburg7 % more at Omio (median) · 26 trainsDB24 of 26from €65.99save up to €11
- Munich → Berlinhardly any price differences · 132 trainsÖBB122 of 132from €77.99save up to €62
- Cologne → Zurich17 % more at Omio (median) · 17 trainsDB17 of 17from €49.99save up to €19
- Prague → Dresden10 % more at DB (median) · 21 trainsČD11 of 21from €19.99save up to €16
- Kopenhagen → Frankfurt13 % more at Omio (median) · 23 trainsDB23 of 23from €89.99save up to €37
- Vienna → Regensburg10 % more at DB (median) · 47 trainsÖBB41 of 47from €46.99save up to €111
- Düsseldorf → Brussels17 % more at Omio (median) · 15 trainsDB15 of 15from €52.99save up to €16
- Zurich → Cologne13 % more at Omio (median) · 16 trainsDB16 of 16from €49.99save up to €19
- Hamburg → Kopenhagen6 % more at Omio (median) · 92 trainsDB87 of 88from €33.99save up to €6
- Zurich → Paris10 % more at Omio (median) · 17 trainsSBB17 of 17from €39.18save up to €44
- Stuttgart → Paris7 % more at Omio (median) · 20 trainsDB20 of 20from €59.99save up to €10
- Bucharest → Budapest9 % more at MÁV (median) · 16 trainsCFR Călători14 of 16from €39.95save up to €9
- Munich → Zurich4 % more at SBB (median) · 106 trainsDB99 of 106from €56.99save up to €4
- Hamburg → Zurich3 % more at SBB (median) · 85 trainsDB83 of 85from €69.99save up to €24
- Milan → Zurich3 % more at Trenitalia (median) · 15 trainsSBB8 of 15from €39.00save up to €38
- Dresden → Praguehardly any price differences · 14 trainsČD7 of 14from €19.99save up to €11
- Frankfurt → Brussels17 % more at Omio (median) · 20 trainsDB19 of 20from €55.99save up to €17
- Augsburg → Salzburghardly any price differences · 14 trainsDB12 of 14from €29.99save up to €14
- Zurich → Hamburg4 % more at SBB (median) · 10 trainsDB9 of 10from €79.99save up to €5
- Berlin → Dresdenhardly any price differences · 18 trainsDB1 of 1from €31.99save up to €38
- Cologne → Brusselshardly any price differences · 192 trainsSNCB International185 of 185from €31.99
- Brussels → Frankfurthardly any price differences · 153 trainsDB151 of 153from €73.99save up to €2
- Brussels → Cologneall sellers charge the same · 75 trainsall the same pricefrom €39.99
- Salzburg → Munichhardly any price differences · 54 trainsDB52 of 54from €17.99save up to €8
- Berlin → Munichother sellers were never cheaper, only DB is still checked · 43 trainsDB18 of 18from €59.99
- Paris → Brusselsall sellers charge the same · 42 trainsall the same pricefrom €61.00
- Brussels → Amsterdamall sellers charge the same · 38 trainsall the same pricefrom €65.00
- Paris → Cologneall sellers charge the same · 27 trainsall the same pricefrom €74.00
- Munich → Salzburghardly any price differences · 20 trainsDB20 of 20from €9.99save up to €10
- Vilnius → Tallinnall sellers charge the same · 13 trainsall the same pricefrom €39.00
- Vilnius → Tartuall sellers charge the same · 12 trainsall the same pricefrom €28.20
More routes with little data so far (86)
- Budapest → Berlin4.0 times as expensive at ČD (median) · 5 trainsDB5 of 5from €55.99save up to €182
- Augsburg → VeniceÖBB cheaper than DB for 67% of trains · 6 trainsÖBB4 of 6from €62.80save up to €53
- Venice → AugsburgÖBB cheaper than DB for 71% of trains · 7 trainsÖBB5 of 7from €62.80save up to €53
- Amsterdam → London48 % more at Omio (median) · 6 trainsEurostar6 of 6from €90.00save up to €121
- Bratislava → Berlin4.0 times as expensive at ČD (median) · 3 trainsDB3 of 3from €49.99save up to €149
- Berlin → Budapest3.4 times as expensive at ČD (median) · 3 trainsDB3 of 3from €69.99save up to €185
- Warsaw → Kaunas59 % more at LTG Link (median) · 7 trainsPKP Intercity6 of 7from €15.13save up to €9
- Berlin → Bratislava3.0 times as expensive at ČD (median) · 3 trainsDB3 of 3from €56.99save up to €142
- Nuremberg → Prague87 % more at ČD (median) · 5 trainsDB4 of 5from €20.37save up to €39
- Prague → Nuremberg87 % more at ČD (median) · 5 trainsDB3 of 5from €20.37save up to €39
- Ljubljana → Vienna2.9 times as expensive at ČD (median) · 3 trainsOmio3 of 3from €36.00save up to €73
- Budapest → Krakowhardly any price differences · 2 trainsPKP Intercity2 of 2from €25.89save up to €99
- Hamburg → Brussels19 % more at Omio (median) · 8 trainsDB6 of 6from €64.99save up to €22
- Paris → Berlin41 % more at SNCB International (median) · 4 trainsDB4 of 4from €79.99save up to €45
- Munich → Brussels39 % more at Omio (median) · 7 trainsDB5 of 5from €67.83save up to €49
- Cologne → London7 % more at Omio (median) · 5 trainsEurostar4 of 5from €202save up to €45
- Warsaw → Vilnius44 % more at LTG Link (median) · 6 trainsPKP Intercity5 of 6from €16.14save up to €13
- Leipzig → Prague2.1 times as expensive at ČD (median) · 3 trainsDB3 of 3from €27.99save up to €50
- Munich → Ljubljana51 % more at DB (median) · 5 trainsOmio5 of 5from €33.00save up to €25
- Budapest → Bucharest71 % more at MÁV (median) · 4 trainsCFR Călători3 of 4from €41.15save up to €33
- Berlin → Paris31 % more at SNCB International (median) · 4 trainsDB4 of 4from €94.99save up to €32
- Hamburg → Parishardly any price differences · 5 trainsDB4 of 5from €103save up to €37
- Milan → Munich4 % more at Trenitalia (median) · 8 trainsDB4 of 8from €53.30save up to €41
- Venice → Vienna17 % more at Trenitalia (median) · 9 trainsÖBB7 of 9from €29.90save up to €88
- Stuttgart → Zurich18 % more at Omio (median) · 5 trainsDB5 of 5from €39.99save up to €14
- Amsterdam → Munich13 % more at Omio (median) · 6 trainsDB6 of 6from €93.99save up to €16
- Berlin → Brussels17 % more at Omio (median) · 5 trainsDB5 of 5from €77.83save up to €16
- Frankfurt → Prague74 % more at ČD (median) · 3 trainsDB2 of 3from €32.99save up to €107
- Hamburg → Amsterdam16 % more at Omio (median) · 5 trainsDB5 of 5from €43.09save up to €11
- Prague → Frankfurt10 % more at DB (median) · 4 trainsČD3 of 4from €51.95save up to €87
- Lyon → Milanhardly any price differences · 1 trainsTrenitalia1 of 1from €59.00save up to €238
- Amsterdam → Hanover13 % more at Omio (median) · 5 trainsDB5 of 5from €48.99save up to €9
- Budapest → Ljubljanahardly any price differences · 1 trainsMÁV1 of 1from €20.00save up to €69
- Krakow → Berlin31 % more at DB (median) · 4 trainsPKP Intercity4 of 4from €35.38save up to €10
- Hanover → Amsterdam17 % more at Omio (median) · 6 trainsDB5 of 6from €49.99save up to €19
- Ljubljana → Budapesthardly any price differences · 1 trainsMÁV1 of 1from €25.00save up to €64
- Leipzig → Munich19 % more at Omio (median) · 5 trainsDB5 of 5from €63.99save up to €15
- Milan → Rome8 % more at Omio (median) · 9 trainsTrenitalia9 of 9from €37.90save up to €9
- Berlin → Stuttgart18 % more at Omio (median) · 5 trainsDB5 of 5from €79.99save up to €15
- Munich → Hamburg17 % more at Omio (median) · 5 trainsDB5 of 5from €64.99save up to €14
- Hamburg → Munich17 % more at Omio (median) · 5 trainsDB5 of 5from €66.99save up to €19
- Hamburg → Cologne16 % more at Omio (median) · 5 trainsDB5 of 5from €47.69save up to €15
- Milan → Venice6 % more at Omio (median) · 5 trainsTrenitalia5 of 5from €31.90save up to €8
- Hamburg → Berlin18 % more at Omio (median) · 4 trainsDB4 of 4from €53.99save up to €10
- Milan → Genfhardly any price differences · 2 trainsSBB2 of 2from €69.84save up to €92
- Ljubljana → Munich13 % more at Omio (median) · 5 trainsDB5 of 5from €34.99save up to €8
- Munich → Paris17 % more at Omio (median) · 4 trainsDB4 of 4from €77.99save up to €16
- Munich → Frankfurt17 % more at Omio (median) · 4 trainsDB4 of 4from €53.99save up to €12
- Cologne → Berlin17 % more at Omio (median) · 4 trainsDB4 of 4from €55.99save up to €15
- Frankfurt → Munich16 % more at Omio (median) · 4 trainsDB4 of 4from €61.99save up to €12
- Rome → Milan6 % more at Omio (median) · 8 trainsTrenitalia8 of 8from €37.90save up to €5
- Stuttgart → Berlin13 % more at Omio (median) · 4 trainsDB4 of 4from €79.99save up to €12
- Milan → Frankfurt5 % more at SBB (median) · 8 trainsDB8 of 8from €63.59save up to €141
- Munich → Amsterdam6 % more at Omio (median) · 6 trainsDB6 of 6from €79.99save up to €6
- Munich → Leipzig16 % more at Omio (median) · 3 trainsDB3 of 3from €84.99save up to €17
- Berlin → Cologne16 % more at Omio (median) · 3 trainsDB3 of 3from €64.99save up to €13
- Venice → Milan7 % more at Omio (median) · 3 trainsTrenitalia3 of 3from €37.90save up to €5
- Berlin → Frankfurt16 % more at Omio (median) · 3 trainsDB3 of 3from €75.99save up to €14
- Munich → Rome14 % more at Trenitalia (median) · 3 trainsDB3 of 3from €173save up to €27
- Brussels → Munichhardly any price differences · 3 trainsDB3 of 3from €95.99save up to €6
- Frankfurt → Kopenhagen13 % more at Omio (median) · 3 trainsDB3 of 3from €79.99save up to €14
- Rome → Munichhardly any price differences · 2 trainsTrenitalia1 of 2from €114save up to €45
- Munich → Milanhardly any price differences · 2 trainsDB2 of 2from €134save up to €34
- Munich → Venicehardly any price differences · 2 trainsTrenitalia2 of 2from €41.90save up to €8
- Nuremberg → Viennahardly any price differences · 2 trainsÖBB2 of 2from €38.90save up to €11
- Cologne → Hamburghardly any price differences · 2 trainsDB2 of 2from €54.99save up to €10
- Paris → Stuttgart9 % more at Omio (median) · 3 trainsDB3 of 3from €49.99save up to €7
- Berlin → Hamburghardly any price differences · 2 trainsDB2 of 2from €53.99save up to €9
- Brussels → Berlinhardly any price differences · 6 trainsDB6 of 6from €95.99save up to €6
- Zurich → Venice5 % more at SBB (median) · 3 trainsTrenitalia2 of 3from €96.03save up to €9
- Paris → Hamburghardly any price differences · 5 trainsDB5 of 5from €85.99save up to €41
- Zurich → Frankfurt5 % more at SBB (median) · 4 trainsDB4 of 4from €69.99save up to €4
- Brussels → Düsseldorf7 % more at Omio (median) · 3 trainsDB3 of 3from €63.99save up to €5
- Frankfurt → Berlin7 % more at Omio (median) · 3 trainsDB3 of 3from €75.99save up to €6
- Frankfurt → Zurich5 % more at SBB (median) · 3 trainsDB3 of 3from €55.99save up to €3
- Krakow → Vilniushardly any price differences · 5 trainsLTG Link4 of 5from €35.00
- Venice → Munichhardly any price differences · 1 trainsTrenitalia1 of 1from €47.15save up to €8
- Venice → Zurichhardly any price differences · 1 trainsTrenitalia1 of 1from €114save up to €9
- Breslau → Berlinhardly any price differences · 1 trainsDB1 of 1from €27.99
- Salzburg → Augsburghardly any price differences · 8 trainsDB7 of 8from €57.99
- Riga → Tartuother sellers were never cheaper, only Elron is still checked · 6 trainsall the same pricefrom €14.30
- Riga → Tallinnother sellers were never cheaper, only Elron is still checked · 6 trainsall the same pricefrom €30.70
- Amsterdam → Brusselsall sellers charge the same · 2 trainsall the same pricefrom €95.00
- Brussels → Parisall sellers charge the same · 2 trainsall the same pricefrom €44.00
- Amsterdam → Zurichall sellers charge the same · 1 trainsall the same pricefrom €95.99
- Zurich → Amsterdamall sellers charge the same · 1 trainsall the same pricefrom €110
How to read the list
Sorted by number of trains and sellers, price difference and how often a foreign railway was cheaper. “Winner”: the seller that was cheapest for most of the compared trains. The small track shows one example train from the latest check: cheapest seller on the left, each further dot another seller. The longer the solid track, the bigger the price difference for the same train. “Largest difference”: highest divided by lowest fare for the same train. “From”: lowest fare in the latest check of this route, for one of the travel dates checked.
Frequently asked questions
Is the railway of your own country always cheapest?
Mostly. For 95% of the compared trains (8931 of 9395) a railway of the origin or destination country was cheapest or as cheap as the cheapest other seller.
Is it worth buying the ticket from a foreign railway?
Sometimes. For 301 of 1316 trains (23%) another railway was cheaper than the railways of the origin and destination countries, most often on the routes Paris – Milan, Verona – Munich, Munich – Verona. Railways not involved in the route charged a median of 1.0 times the cheapest fare.
Are resellers like Omio more expensive?
Mostly yes, resellers cost more. Omio was cheapest for 176 of 4949 compared trains and cost a median of 14 % more than the cheapest seller. An estimated service fee of about 6.5% (at least €2) is included.
When should you buy the train ticket?
As early as possible. On 91 routes with data for both times, the cheapest ticket 1–2 weeks before travel was a median of 20% more expensive than more than 4 weeks ahead.
How up to date are the fares?
Fares are checked again every day, latest data: 11 Nov 2026. They change all the time; please check with the seller before booking.