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Cheap flights from Thailand to Reykjavik Keflavik Intl Airport from ฿12,127

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
15 Feb — 22 Feb1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Thailand to Keflavik Intl

Keep the following information in mind while searching for Thailand to Keflavik Intl flight deals. Data was last updated 16 January 2026.

Round-trip from

฿25,668

One-way from

฿12,127

Popular in

December

Cheapest in

May
28/3-7/4
  • 28/3-7/4
  • 3 total stops
  • 58h 10m total
  • Thailand to Reykjavik
Search Deals
5/3
  • 5/3
  • 3 total stops
  • 43h 45m total
  • Thailand to Reykjavik
Search Deals
Highest demand for flights based on searches. 5% potential increase in price (฿54,271 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (฿30,526 potential savings vs. average return price).
Search Deals

Find flight deals from Thailand to Keflavik Intl

Enter your travel dates to find the best prices.

Cheapest flights from Thailand to Keflavik Intl
Explore the most affordable flight options available from Thailand to Keflavik Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 16 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 16/1฿25,668
Fri 27/315:30
BKK
-
KEF
2 stops47h 45m
Multiple Airlines
Thu 9/408:35
KEF
-
BKK
1 stop18h 35m
Multiple Airlines
Deal found 16/1฿26,925
Mon 16/320:30
BKK
-
KEF
2 stops49h 45m
Multiple Airlines
Wed 25/307:30
KEF
-
BKK
2 stops22h 35m
Multiple Airlines
Deal found 14/1฿28,873
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฿28,967
Sun 8/309:05
BKK
-
KEF
2 stops60h 05m
Multiple Airlines
Thu 19/307:30
KEF
-
BKK
2 stops22h 35m
Multiple Airlines
Deal found 15/1฿29,062
Fri 13/309:05
BKK
-
KEF
2 stops37h 10m
Multiple Airlines
Sun 22/307:50
KEF
-
BKK
2 stops22h 15m
Multiple Airlines
Deal found 15/1฿29,564
Sun 8/321:00
DMK
-
KEF
3 stops29h 00m
Multiple Airlines
Thu 19/307:35
KEF
-
DMK
3 stops22h 35m
Multiple Airlines
Deal found 15/1฿32,298
Thu 12/220:10
DMK
-
KEF
3 stops35h 05m
Multiple Airlines
Thu 19/207:20
KEF
-
DMK
3 stops31h 50m
Multiple Airlines
Deal found 15/1฿41,566
Sat 23/520:00
CNX
-
KEF
2 stops42h 50m
Finnair
Tue 26/508:35
KEF
-
CNX
2 stops43h 40m
Finnair
Deal found 14/1฿47,410

Cheapflights Fare Finder

 
Customise your flight search to find flights from Thailand 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 16 January 2026.
Use the filters below to find and compare flights from Thailand to Reykjavik Keflavik Intl Airport that are best for you.

Fly from

Thailand

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

฿26,925

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

฿26,925

BangkokReykjavik

BKK - KEF

BKKKEF

Bangkok Suvarnabhumi

Mon 16/3

20:30-15:15

2 stops49h 45m

Reykjavik Keflavik Intl

Wed 25/3

07:30-13:05

2 stops22h 35m

฿28,873

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

฿28,967

BangkokReykjavik

BKK - KEF

BKKKEF

Bangkok Suvarnabhumi

Sun 8/3

09:05-14:10

2 stops60h 05m

Reykjavik Keflavik Intl

Thu 19/3

07:30-13:05

2 stops22h 35m

฿29,062

BangkokReykjavik

BKK - KEF

BKKKEF

Bangkok Suvarnabhumi

Fri 13/3

09:05-15:15

2 stops37h 10m

Reykjavik Keflavik Intl

Sun 22/3

07:50-13:05

2 stops22h 15m

฿29,564

BangkokReykjavik

DMK - KEF

DMKKEF

Bangkok Don Mueang Intl

Sun 8/3

21:00-19:00

3 stops29h 00m

Reykjavik Keflavik Intl

Thu 19/3

07:35-13:10

3 stops22h 35m

฿32,298

BangkokReykjavik

DMK - KEF

DMKKEF

Bangkok Don Mueang Intl

Thu 12/2

20:10-00:15

3 stops35h 05m

Reykjavik Keflavik Intl

Thu 19/2

07:20-22:10

3 stops31h 50m

฿41,566

Chiang MaiReykjavik

CNX - KEF

CNXKEF

Chiang Mai

Sat 23/5

20:00-07:50

2 stops42h 50m

Reykjavik Keflavik Intl

Tue 26/5

08:35-11:15

2 stops43h 40m

฿47,410

BangkokReykjavik

BKK - KEF

BKKKEF

Bangkok Suvarnabhumi

Wed 4/3

10:50-23:55

2 stops44h 05m

฿12,190

Flights are sorted by cheapest return flights first.

Deals found on 16/1

Showing 1-10 of 26 results
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Best time to book a flight from Thailand to Keflavik Intl

Have a flexible travel schedule? Discover the best time to fly to Keflavik Intl from Thailand 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 Thailand 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 16 January 2026.
See what other customers who have flown with Finnair from Thailand 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
1,349 reviews
Check prices

Crew

8.2

Overall

7.6

Entertainment

6.9

Comfort

7.4

Food

6.7

Boarding

7.7

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
1,349 reviews
Finnair
7.6
Good
1,349 reviews
Check prices

Crew

8.2

Overall

7.6

Entertainment

6.9

Comfort

7.4

Food

6.7

Boarding

7.7

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 Thailand to Keflavik Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Thailand to Reykjavik Keflavik Intl Airport?

    Departing from Thailand to Reykjavik Keflavik Intl Airport will take you 42h 50m. The distance from Thailand to Reykjavik Keflavik Intl Airport is about 9543 km.

  • What are the most popular routes from Thailand to Reykjavik Keflavik Intl Airport?

    The most popular route from Thailand to Reykjavik Keflavik Intl Airport is Bangkok Suvarnabhumi - Reykjavik Keflavik Intl. You may also consider Chiang Mai - Reykjavik Keflavik Intl or Bangkok Don Mueang Intl - Reykjavik Keflavik Intl.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Thailand 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Thailand 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 Thailand to Keflavik Intl

Discover the top airline that operate flights from Thailand 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 16 January 2026.
AirlineCheapestAverageFlexibilityOn-time
FinnairCheapest฿31,696Average฿50,449FlexibilityNo cancel feeOn-time76%
Search Finnair flights

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