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Cheap flights from Bangkok to Reykjavik Keflavik Intl Airport from ฿12,097

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/3. Fares are subject to change and may not be available on all flights or dates of travel.
BKK — KEF
17 Feb — 24 Feb1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Bangkok to Keflavik Intl

Discover tips and strategies to find the most affordable flight options for your journey from Bangkok (TH1) to Keflavik Intl (KEF). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 18 January 2026.

Round-trip from

฿25,541

One-way from

฿12,097

Popular in

December

Cheapest in

May
28/3-9/4
  • 28/3-9/4
  • 3 total stops
  • 55h 10m total
  • Bangkok to Reykjavik
Search Deals
5/3
  • 5/3
  • 3 total stops
  • 43h 45m total
  • Bangkok to Reykjavik
Search Deals
Highest demand for flights based on searches. 5% potential increase in price (฿53,991 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (฿30,373 potential savings vs. average return price).
Search Deals

Find flight deals from Bangkok to Keflavik Intl

Enter your travel dates to find the best prices.

Cheapest flights from Bangkok to Keflavik Intl
Explore the most affordable flight options available from Bangkok to Keflavik Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 January 2026.

Sat 28/304:20
BKK
-
KEF
2 stops36h 35m
Multiple Airlines
Thu 9/408:35
KEF
-
BKK
1 stop18h 35m
Multiple Airlines
Deal found 17/1฿25,541
Fri 27/315:30
BKK
-
KEF
2 stops47h 45m
Multiple Airlines
Thu 9/408:35
KEF
-
BKK
1 stop18h 35m
Multiple Airlines
Deal found 17/1฿26,607
Fri 27/309:05
BKK
-
KEF
2 stops40h 20m
Multiple Airlines
Wed 8/407:30
KEF
-
BKK
2 stops22h 55m
Multiple Airlines
Deal found 16/1฿28,895
Fri 13/309:05
BKK
-
KEF
2 stops37h 10m
Multiple Airlines
Sun 22/307:30
KEF
-
BKK
2 stops21h 45m
Multiple Airlines
Deal found 16/1฿29,647
Sat 10/1023:40
BKK
-
KEF
1 stop30h 40m
Multiple Airlines
Sun 18/1000:20
KEF
-
BKK
2 stops47h 45m
Multiple Airlines
Deal found 17/1฿30,117
Wed 8/418:25
BKK
-
KEF
2 stops28h 55m
Multiple Airlines
Sun 19/400:10
KEF
-
BKK
1 stop31h 40m
Multiple Airlines
Deal found 17/1฿32,561
Wed 8/402:40
BKK
-
KEF
1 stop22h 45m
Multiple Airlines
Fri 17/410:45
KEF
-
BKK
2 stops43h 20m
Multiple Airlines
Deal found 17/1฿32,906

Cheapflights Fare Finder

 
Customise your flight search to find flights from Bangkok to Keflavik Intl that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 17,341 searches. Data last updated 18 January 2026.
Use the filters below to find and compare flights from Bangkok to Reykjavik Keflavik Intl Airport that are best for you.

Fly from

Bangkok

Fly to

Keflavik Intl

Route

Depart

Return

Price

BangkokReykjavik

BKK - KEF

BKKKEF

Bangkok Suvarnabhumi

Fri 27/3

15:30-08:15

2 stops47h 45m

Reykjavik Keflavik Intl

Thu 9/4

08:35-10:10

1 stop18h 35m

฿26,858

BangkokReykjavik

BKK - KEF

BKKKEF

Bangkok Suvarnabhumi

Fri 27/3

15:30-08:15

2 stops47h 45m

Reykjavik Keflavik Intl

Tue 7/4

20:05-00:40

1 stop21h 35m

฿26,858

BangkokReykjavik

BKK - KEF

BKKKEF

Bangkok Suvarnabhumi

Fri 27/3

09:05-18:25

2 stops40h 20m

Reykjavik Keflavik Intl

Wed 8/4

07:30-13:25

2 stops22h 55m

฿28,895

BangkokReykjavik

BKK - KEF

BKKKEF

Bangkok Suvarnabhumi

Fri 13/3

09:05-15:15

2 stops37h 10m

Reykjavik Keflavik Intl

Sun 22/3

07:30-12:15

2 stops21h 45m

฿29,647

BangkokReykjavik

BKK - KEF

BKKKEF

Bangkok Suvarnabhumi

Wed 8/4

18:25-16:20

2 stops28h 55m

Reykjavik Keflavik Intl

Sun 19/4

00:10-14:50

1 stop31h 40m

฿32,561

BangkokReykjavik

BKK - KEF

BKKKEF

Bangkok Suvarnabhumi

Fri 27/3

15:00-17:15

1 stop33h 15m

Reykjavik Keflavik Intl

Wed 8/4

08:35-05:30

1 stop37h 55m

฿32,937

BangkokReykjavik

BKK - KEF

BKKKEF

Bangkok Suvarnabhumi

Fri 27/3

15:00-17:15

1 stop33h 15m

Reykjavik Keflavik Intl

Thu 9/4

08:35-05:30

1 stop37h 55m

฿32,937

BangkokReykjavik

BKK - KEF

BKKKEF

Bangkok Suvarnabhumi

Fri 13/3

15:00-09:15

1 stop25h 15m

Reykjavik Keflavik Intl

Sun 22/3

10:00-06:05

1 stop37h 05m

฿33,940

BangkokReykjavik

BKK - KEF

BKKKEF

Bangkok Suvarnabhumi

Wed 4/3

10:50-23:55

2 stops44h 05m

฿12,160

BangkokReykjavik

DMK - KEF

DMKKEF

Bangkok Don Mueang Intl

Sun 1/3

16:00-10:15

3 stops49h 15m

฿12,191

Flights are sorted by cheapest return flights first.

Deals found on 16/1

Showing 1-10 of 23 results
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Best time to book a flight from Bangkok to Keflavik Intl

Have a flexible travel schedule? Discover the best time to fly to Keflavik Intl from Bangkok with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Bangkok to Reykjavik Keflavik Intl Airport
No data available for this route at this time. Please check back soon.

Reviews of airlines servicing Keflavik Intl

Get insights into the airlines that provide service to Keflavik Intl. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Keflavik Intl. Reviews last updated 18 January 2026.
See what other customers who have flown with Finnair from Bangkok to Reykjavik Keflavik Intl Airport have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Finnair
7.6
Good
1,351 reviews
Check prices

Comfort

7.4

Entertainment

6.9

Food

6.7

Crew

8.2

Boarding

7.7

Overall

7.6

Reviews

1 / 20
2.0
Mediocre

Vlad-Valentin,Jan 2026

LHR - YVR

baggage allowance was different between the outgoing and inbound flights
Finnair
7.6
Good
1,351 reviews
Finnair
7.6
Good
1,351 reviews
Check prices

Comfort

7.4

Entertainment

6.9

Food

6.7

Crew

8.2

Boarding

7.7

Overall

7.6

Reviews

1 / 20
2.0
Mediocre

Vlad-Valentin,Jan 2026

LHR - YVR

baggage allowance was different between the outgoing and inbound flights

Related info for your journey

Find useful and relevant information for your journey from Bangkok to Keflavik Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What is the cheapest airline to fly from Bangkok to Reykjavik Keflavik Intl Airport round-trip?

    According to our current data, Finnair (฿32,403), offers the cheapest pricing from Bangkok to Reykjavik Keflavik Intl Airport.

  • Can I find deals for flights from Bangkok to Keflavik Intl that include hotel bookings?

    Yes. In addition to deals on Bangkok to Keflavik Intl flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Bangkok to Keflavik Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Bangkok to Keflavik Intl.

  • Can I find deals for business class flights from Bangkok to Keflavik Intl?

    Yes. Cheapflights offers flight deals from Bangkok to Keflavik Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Bangkok to Keflavik Intl

See prices for flight routes from nearby airports that may be better suited for you.
Chiang Mai to Keflavik Intl flights

Top airline flying from Bangkok to Keflavik Intl

Discover the top airline that operate flights from Bangkok to Keflavik Intl. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 17,341 searches. Data last updated 18 January 2026.
AirlineCheapestAverageFlexibilityOn-time
FinnairCheapest฿31,616Average฿50,323FlexibilityNo cancel feeOn-time76%
Search Finnair flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Bangkok to Keflavik Intl?

Cheapflights makes it easy to find Bangkok to Keflavik Intl flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Bangkok to Keflavik Intl?

Cheapflights helps you find that perfect flight to Keflavik Intl from Bangkok by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Bangkok to Keflavik Intl with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Bangkok to Keflavik Intl, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Bangkok to Keflavik Intl become cheaper?

Not ready to book yet? You can track prices for flights from Bangkok to Keflavik Intl on Cheapflights with our Price Alert feature and get notified when better prices are available.

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