£373 Cheap Flights from Reykjavik (KEF) to Bangkok (BKK)

View £373 flight on Thu, 18 Mar 2027Opens in a new window

Popular airlines from Keflavik International Airport (KEF) to Suvarnabhumi International Airport (BKK)

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Cheap Flights from Reykjavik (KEF) to Bangkok (BKK)

Prices were available within the past 7 days and start at £373 for one-way flights and £664 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

KLM
Sun, 29 Nov - Thu, 17 Dec
KEF
Reykjavik
BKK
Bangkok
£664 Return, found 13 hours ago
£664
Return
found 13 hours ago
Select KLM flight, departing Sun, 29 Nov from Reykjavik to Bangkok, returning Thu, 17 Dec, priced at £664 found 13 hours ago
British Airways
Sun, 29 Nov - Wed, 16 Dec
KEF
Reykjavik
BKK
Bangkok
£674 Return, found 13 hours ago
£674
Return
found 13 hours ago
Select British Airways flight, departing Sun, 29 Nov from Reykjavik to Bangkok, returning Wed, 16 Dec, priced at £674 found 13 hours ago
KLM
Thu, 14 Jan - Thu, 28 Jan
KEF
Reykjavik
BKK
Bangkok
£708 Return, found 5 days ago
£708
Return
found 5 days ago
Select KLM flight, departing Thu, 14 Jan from Reykjavik to Bangkok, returning Thu, 28 Jan, priced at £708 found 5 days ago
Finnair
Thu, 29 Oct - Mon, 2 Nov
KEF
Reykjavik
BKK
Bangkok
£709 Return, found 4 days ago
£709
Return
found 4 days ago
Select Finnair flight, departing Thu, 29 Oct from Reykjavik to Bangkok, returning Mon, 2 Nov, priced at £709 found 4 days ago
British Airways
Sun, 29 Nov - Wed, 16 Dec
KEF
Reykjavik
BKK
Bangkok
£723 Return, found 13 hours ago
£723
Return
found 13 hours ago
Select British Airways flight, departing Sun, 29 Nov from Reykjavik to Bangkok, returning Wed, 16 Dec, priced at £723 found 13 hours ago
Finnair
Mon, 1 Feb - Wed, 3 Mar
KEF
Reykjavik
BKK
Bangkok
£724 Return, just found
£724
Return
just found
Select Finnair flight, departing Mon, 1 Feb from Reykjavik to Bangkok, returning Wed, 3 Mar, priced at £724 just found
KLM
Tue, 29 Dec - Tue, 19 Jan
KEF
Reykjavik
BKK
Bangkok
£732 Return, found 6 days ago
£732
Return
found 6 days ago
Select KLM flight, departing Tue, 29 Dec from Reykjavik to Bangkok, returning Tue, 19 Jan, priced at £732 found 6 days ago
Finnair
Thu, 29 Oct - Mon, 2 Nov
KEF
Reykjavik
BKK
Bangkok
£733 Return, found 4 days ago
£733
Return
found 4 days ago
Select Finnair flight, departing Thu, 29 Oct from Reykjavik to Bangkok, returning Mon, 2 Nov, priced at £733 found 4 days ago
Icelandair
Mon, 31 Aug - Thu, 24 Sept
KEF
Reykjavik
BKK
Bangkok
£757 Return, found 6 days ago
£757
Return
found 6 days ago
Select Icelandair flight, departing Mon, 31 Aug from Reykjavik to Bangkok, returning Thu, 24 Sept, priced at £757 found 6 days ago
Air India
Mon, 31 Aug - Wed, 23 Sept
KEF
Reykjavik
BKK
Bangkok
£803 Return, found 6 days ago
£803
Return
found 6 days ago
Select Air India flight, departing Mon, 31 Aug from Reykjavik to Bangkok, returning Wed, 23 Sept, priced at £803 found 6 days ago

Frequently asked questions

How do I find cheap flights from Reykjavik (KEF-Keflavik Intl.) to Bangkok (BKK-Suvarnabhumi Intl.)?
To find a cheap flight from Reykjavik (KEF-Keflavik Intl.) to Bangkok (BKK-Suvarnabhumi Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Reykjavik (KEF-Keflavik Intl.) to Bangkok (BKK-Suvarnabhumi Intl.)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
How many flights per day from Reykjavik (KEF-Keflavik Intl.) to Bangkok (BKK-Suvarnabhumi Intl.)?
There are approximately 27 connecting flights per day from Reykjavik (KEF-Keflavik Intl.) to Bangkok (BKK-Suvarnabhumi Intl.). Some common connection points include Heathrow (LHR), Frankfurt Intl. (FRA), and Kastrup (CPH).
What is the earliest flight from Reykjavik (KEF-Keflavik Intl.) to Bangkok (BKK-Suvarnabhumi Intl.)?
The earliest flight from Reykjavik (KEF-Keflavik Intl.) to Bangkok (BKK-Suvarnabhumi Intl.) typically departs at approximately 12:10 AM local time. This service is operated by OS / BR and is seasonal, active in October. An early departure like this can help you maximize your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from Reykjavik (KEF-Keflavik Intl.) to Bangkok (BKK-Suvarnabhumi Intl.)?
You'll find the most flights from Reykjavik (KEF-Keflavik Intl.) to Bangkok (BKK-Suvarnabhumi Intl.) on a Wednesday, with around 43 flights available. This gives you plenty of options for your travel plans. Major airlines on this route include Icelandair, British Airways, and Finnair. Flight options are notably more on Wednesdays compared to other days of the week.
What are the most popular departure times for flights from Reykjavik (KEF-Keflavik Intl.) to Bangkok (BKK-Suvarnabhumi Intl.)?
The most popular departure times for flights from Reykjavik (KEF-Keflavik Intl.) to Bangkok (BKK-Suvarnabhumi Intl.) are in the early morning, from 6am to 9am. This accounts for around 51% of total traffic. Many major carriers, including Icelandair, Emirates and Qatar Airways, offer flights during this window. Many travelers prefer these times to get an early start on their journey.
How long does it take to fly from Reykjavik (KEF-Keflavik Intl.) to Bangkok (BKK-Suvarnabhumi Intl.)?
Flying from KEF to BKK with a connection usually takes about 15 hours 50 minutes, traveling roughly 6,305 miles. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Reykjavik (KEF-Keflavik Intl.) to Bangkok (BKK-Suvarnabhumi Intl.)?
Select the "Business class" and "First class" filters when looking for KEF to BKK flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.
How do I earn miles on a Reykjavik (KEF-Keflavik Intl.) to Bangkok (BKK-Suvarnabhumi Intl.) flight with Expedia?
It's easy to earn miles on a Reykjavik (KEF-Keflavik Intl.) to Bangkok (BKK-Suvarnabhumi Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Bangkok from Keflavik Intl. (KEF)?
From Keflavik Intl. (KEF), you can fly into Suvarnabhumi Intl. (BKK) to reach Bangkok. Some flights may connect through major hubs like Heathrow (LHR), Adolfo Suarez Madrid-Barajas (MAD), Frankfurt Intl. (FRA) before reaching Bangkok. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Reykjavik (KEF-Keflavik Intl.) to Bangkok (BKK-Suvarnabhumi Intl.) at the last minute?
Typically, booking a last minute flight from Reykjavik (KEF-Keflavik Intl.) to Bangkok (BKK-Suvarnabhumi Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Reykjavik (KEF-Keflavik Intl.) to Bangkok (BKK-Suvarnabhumi Intl.) flight and hotel package?
Securing a Reykjavik (KEF-Keflavik Intl.) to Bangkok (BKK-Suvarnabhumi Intl.) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Reykjavik (KEF-Keflavik Intl.) to Bangkok (BKK-Suvarnabhumi Intl.)?
If you booked your Reykjavik (KEF-Keflavik Intl.) to Bangkok (BKK-Suvarnabhumi Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Keflavik Intl.
Destination airport
Suvarnabhumi Intl.
Return price
£663
Distance
10085 km

Book with confidence

Compare flights from Reykjavik to Bangkok easily and book with confidence

For travelling on business or for pleasure, Expedia makes it easy to book your flights from Reykjavik to Bangkok. Operating between them flights per day, 20 airlines cover the route. And fly direct, getting you to Suvarnabhumi Intl. in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Keflavik Intl. to Suvarnabhumi Intl..  

To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights. 

Grab a great deal on your flight from Keflavik Intl. (KEF) to Suvarnabhumi Intl. (BKK)

The easiest way to view the best deals on flights from Reykjavik to Bangkok today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from Keflavik Intl. to Suvarnabhumi Intl. start at just £664 and range up to £803.  

To find an even better deal, try  

  • being flexible on your dates – midweek flights can be cheaper
  • looking for other airports near Reykjavik and Bangkok
  • booking your flight during November, the cheapest month on this route
  • varying your flight times – early morning and late at night are sometimes cheaper 

Why you should book your Reykjavik to Bangkok flight with Expedia!

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Keflavik Intl. to Suvarnabhumi Intl. for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.  

Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.  

Compare flights from Reykjavik to Bangkok easily and book with confidence

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