Book your 2026 Byway trip by 10th December and get complimentary first-class train upgrades on select eligible trips departing in 2026. Book before 23:59 GMT on 10/12/2025. Trips eligible for the offer will show a ‘free first-class travel’ option for you to select at the top of the itinerary. Subject to availability.
Only applies to eligible marked trips booked between 20/10/2025 and 10/12/2025 (23:59 GMT) with departure dates between 01/01/26 and 31/12/26.
First class upgrade offer applies to eligible daytime trains using a digital Interrail/Eurail pass outside your country of residence, subject to availability.
Eurostar upgrades will be for Eurostar Plus, where available.
Sleeper trains, ferries and buses are excluded.
Trips with this offer aren’t eligible for a paper Interrail pass - you will need to use a digital pass on your trip.
Offer subject to availability of first-class seats. It may not be possible to include first class on all trains or routes. Compensation will not be provided where first-class seats are unavailable. Booking well in advance helps with availability.
You must have checked the ‘free first-class travel’ box at the top of the itinerary at the time of booking to redeem the offer. This will default to checked on eligible trips, but if you uncheck it, your trip will not qualify.
Any major changes requested post-booking will be subject to our standard major changes policy. Rebooked trips and trips with major changes will no longer be eligible for the complimentary first-class upgrade.
These booking conditions were last updated on 27th October 2025.
