Online Check-in

Rail-Fly check-in is quick and simple.

To check-in for your rail journey visit the dedicated check-in website 72 hours before departure.

All you have to do is input your first name, last name and your Singapore Airlines Booking Reference (written on the top left corner of your Singapore Airlines Booking Confirmation) into the PNR Locator box or Singapore Airlines e-ticket number (starting 618) in the E-ticket number box.

To check-in for your Singapore Airlines flights please visit


What does Rail-Fly mean?

Rail-Fly refers to the ability to book an itinerary incorporating a Great Western Railway rail ticket + a Heathrow Express rail ticket + a Singapore Airlines international flight ticket all in one go. The itinerary is ticketed in its entirety in one booking transaction, with one credit card payment and one reference number. Rather than making separate bookings with all three companies you can now get all of your travel arrangements sorted at the same time.

Bookings can made either through a travel agent or the Singapore Airlines Reservations Centre, for full details click here.

Can Rail-Fly be used with other airlines/train companies?

Rail-Fly is unique to Singapore Airlines, Great Western Railway and Heathrow Express and therefore cannot be used with other airlines or train companies. However, customers will be able to include flights with Singapore Airlines codeshare partners as part of their booking as normal, such as including Australian domestic connections in conjunction with Virgin Australia.

Can I buy a Rail-Fly ticket to the South West region from overseas?

Initially sales will open for outbound travel from the UK only, allowing customers from the South West to book their travel to Asia and beyond. Sales from other countries – for example Australia - will be possible in the near future.

How do passengers book?

At this time, customers will be able to book through their travel agent, or through the Singapore Airlines Reservations Centre. Later on, bookings will also be made available through For more details click here.

Can this be booked online?

Not at this time but later on. For more details on how to book click here.

Where can passengers travel to/from?

Great Western Railway destinations are being rolled out in two stages, with the first stage allowing travel to and from: Oxford, Bath, Bristol Parkway, Bristol Temple Meads and Swansea. From 12th February, Exeter, Par and St Austell will also be available. These all travel into London Paddington, where passengers can take the Heathrow Express straight to Heathrow Airport.

Heathrow Express will connect customers from London Paddington Station to Heathrow Airport, from where customers can fly with Singapore Airlines and its regional wing SilkAir to nearly 100 destinations in 36 countries. The Singapore Airlines network serves popular Southeast Asian destinations such as Myanmar, Thailand, Vietnam, Indonesia and Cambodia, as well as multiple cities in both Australia and New Zealand.

For more details on destinations click here.

Can Rail-Fly be combined with Singapore Airlines promotional fares, or are you forced to book full fare tickets?

Rail-Fly fares will be available with all levels of fare from Singapore Airlines – from promotional sale fare offers right through to Business Class fares.

Is train travel in Standard or First Class?

There are three different ticket types available for customers to choose between:

Restricted travel in Great Western Railway Standard Class, Heathrow
Express Standard/Express Class and Singapore Airlines Economy Class.

Flexible travel in Great Western Railway Standard Class,
Heathrow Express Standard/Express Class and Singapore Airlines Economy Class.

Flexible travel in Great Western Railway First Class, Heathrow Express
Business/First Class and Singapore Airlines Business Class.

For more information on tickets click here.

What are the advantages of Rail-Fly?

Rail-Fly makes it easier and more convenient for customers in the Southwest to organise their travel with Singapore Airlines, Great Western Railway and Heathrow Express. It will help make their trip to Singapore and beyond easier to plan for and seamless. Ultimately it means customers only need to make one transaction, when they otherwise would have to make three, with each individual partner.

Travelling to Heathrow by rail also has distinct advantages for customers, allowing them to enjoy the British countryside without worrying about traffic or parking costs.

Rail-Fly also allows for a stopover in London of at least 48 hours, allowing customers to extend their holiday or business trip, be it squeezing in extra meetings or maybe taking in a West End show.

For full details on the range of benefits, click here.

How much will the train tickets cost? Will this save passengers money? If not, why?

Rail-Fly customers will receive guaranteed, competitive and exclusive fares for their train journeys, regardless of when they are booked. Since train fares are not normally available to book until 90 days prior to travel and can vary in price closer to departure due to availability, most passengers can save over £145 per person.

Do the train tickets need to be purchased at the same time as the flights, or can these be done separately?

Rail-Fly itineraries need to be booked together as one to benefit from the exclusive fares and single ticketing. This means all components – both train journeys and plane ticket – need to be purchased at the same time.

Can I turn up at the station and buy a Rail-Fly ticket?

No, bookings will not be possible at the station but can be made in advance of travel through the Singapore Airlines Reservations Centre or a travel agent.

Will passengers be able to choose specific seats / make seat requests on their trains?

At this time this is not technically possible for the two train journeys but is being explored for the future. Seats will be able to be selected for Singapore Airlines as normal, subject to availability.

What if a train is delayed/cancelled and a passenger misses their flight?

In the event of a train being delayed Singapore Airlines will look to book you onto the next available flight. Similarly, in the event of a flight being delayed Great Western Railway and Heathrow Express will be flexible in accepting all tickets. This includes the SaverExpress tickets, which are restricted for travel on a particular train. Your Great Western Railway Train Manager will be on hand to answer any questions you might have.

What if I forget to bring my Rail-Fly boarding cards to the railway station?

It is extremely important to remember to bring your Rail-Fly boarding cards to the Railway station. However, in the event that a Rail-Fly passenger forgets to bring their Rail-Fly boarding card to the railway station Great Western Railway and Heathrow Express will endeavour to find a way of printing the boarding cards. If this is not possible passengers may be forced to purchase a full fare railway ticket on the day. This ticket can be claimed back upon production of a valid Singapore Airlines Rail-Fly ticket.