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Cheap flights from Thailand to Reykjavik Keflavik Intl Airport from ฿15,945

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 20/5. Fares are subject to change and may not be available on all flights or dates of travel.
BKK — KEF
31 May — 7 Jun1
1 adult
1 adult, Economy, 0 bags

Cheap 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 1 May 2026.

Sun 14/620:15
BKK
-
KEF
2 stops28h 25m
Multiple Airlines
Sun 21/619:00
KEF
-
BKK
2 stops31h 45m
Multiple Airlines
Deal found 30/4฿27,749
Sun 14/601:00
BKK
-
KEF
2 stops39h 40m
Multiple Airlines
Thu 20/811:15
KEF
-
BKK
2 stops36h 05m
Multiple Airlines
Deal found 30/4฿33,390
Thu 4/602:30
BKK
-
KEF
2 stops28h 05m
Multiple Airlines
Mon 15/607:40
KEF
-
BKK
2 stops28h 45m
Multiple Airlines
Deal found 27/4฿35,053
Wed 14/1021:05
BKK
-
KEF
2 stops41h 00m
Multiple Airlines
Fri 30/1007:50
KEF
-
BKK
2 stops21h 25m
Multiple Airlines
Deal found 30/4฿35,477
Wed 14/1007:05
BKK
-
KEF
1 stop31h 50m
Finnair
Fri 30/1007:30
KEF
-
BKK
1 stop15h 40m
Finnair
Deal found 30/4฿35,542
Thu 23/702:30
BKK
-
KEF
2 stops23h 10m
Multiple Airlines
Sun 2/817:15
KEF
-
BKK
2 stops36h 40m
Multiple Airlines
Deal found 30/4฿36,977
Mon 15/612:50
BKK
-
KEF
1 stop26h 45m
สวิส อินเตอร์เนชั่นแนล แอร์ไลน์
Thu 20/809:05
KEF
-
BKK
1 stop17h 45m
สวิส อินเตอร์เนชั่นแนล แอร์ไลน์
Deal found 30/4฿37,694
Wed 11/1111:15
BKK
-
KEF
1 stop29h 00m
Finnair
Sun 15/1110:00
KEF
-
BKK
1 stop37h 10m
Finnair
Deal found 26/4฿37,955
Thu 29/1011:15
BKK
-
KEF
1 stop29h 00m
Finnair
Mon 2/1110:00
KEF
-
BKK
1 stop23h 30m
Finnair
Deal found 29/4฿39,585
Wed 11/1122:55
DMK
-
KEF
2 stops32h 00m
Emirates
Sun 15/1107:40
KEF
-
DMK
2 stops29h 35m
Emirates
Deal found 28/4฿40,629
Sat 5/923:50
DMK
-
KEF
2 stops25h 05m
Emirates
Sat 19/910:30
KEF
-
DMK
2 stops27h 15m
Emirates
Deal found 30/4฿42,911
Sun 8/1112:10
CNX
-
KEF
2 stops60h 05m
Finnair
Thu 12/1110:00
KEF
-
CNX
2 stops40h 25m
Finnair
Deal found 26/4฿45,422

Find 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 1 May 2026.

Round-trip from

฿27,749

One-way from

฿15,945
14/6-21/6
  • 14/6-21/6
  • 4 total stops
  • 60h 10m total
  • Thailand to Reykjavik
Search Deals
20/5
  • 20/5
  • 3 total stops
  • 42h 10m total
  • Thailand to Reykjavik
Search Deals

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 1 May 2026.
Use the filters below to find and compare flights from Thailand to Reykjavik Keflavik Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

BangkokReykjavik

BKK - KEF

BKKKEF

Bangkok Suvarnabhumi

Thu 23/7

02:30-18:40

2 stops23h 10m

Reykjavik Keflavik Intl

Sun 2/8

17:15-12:55

2 stops36h 40m

฿36,977

BangkokReykjavik

BKK - KEF

BKKKEF

Bangkok Suvarnabhumi

Mon 7/9

21:35-15:15

2 stops24h 40m

Reykjavik Keflavik Intl

Tue 22/9

07:40-13:30

2 stops22h 50m

฿41,933

BangkokReykjavik

BKK - KEF

BKKKEF

Bangkok Suvarnabhumi

Fri 5/6

12:50-13:55

1 stop32h 05m

Reykjavik Keflavik Intl

Sun 14/6

00:20-14:50

2 stops31h 30m

฿42,716

BangkokReykjavik

BKK - KEF

BKKKEF

Bangkok Suvarnabhumi

Sun 5/7

09:55-20:10

2 stops41h 15m

Reykjavik Keflavik Intl

Sun 12/7

10:45-06:20

2 stops36h 35m

฿42,748

BangkokReykjavik

DMK - KEF

DMKKEF

Bangkok Don Mueang Intl

Sat 5/9

23:50-17:55

2 stops25h 05m

Reykjavik Keflavik Intl

Sat 19/9

10:30-20:45

2 stops27h 15m

฿42,911

BangkokReykjavik

BKK - KEF

BKKKEF

Bangkok Suvarnabhumi

Sat 5/9

07:05-07:50

1 stop31h 45m

Reykjavik Keflavik Intl

Wed 16/9

17:15-05:30

1 stop29h 15m

฿43,498

BangkokReykjavik

BKK - KEF

BKKKEF

Bangkok Suvarnabhumi

Fri 4/9

07:05-07:55

1 stop31h 50m

Reykjavik Keflavik Intl

Sun 20/9

17:15-05:30

1 stop29h 15m

฿43,498

BangkokReykjavik

BKK - KEF

BKKKEF

Bangkok Suvarnabhumi

Tue 26/5

02:30-09:40

2 stops38h 10m

Reykjavik Keflavik Intl

Tue 2/6

07:40-13:45

2 stops23h 05m

฿44,966

BangkokReykjavik

BKK - KEF

BKKKEF

Bangkok Suvarnabhumi

Mon 6/7

18:30-23:55

1 stop36h 25m

Reykjavik Keflavik Intl

Mon 13/7

20:50-10:15

2 stops30h 25m

฿45,976

BangkokReykjavik

DMK - KEF

DMKKEF

Bangkok Don Mueang Intl

Wed 14/10

23:50-17:55

2 stops25h 05m

Reykjavik Keflavik Intl

Fri 30/10

15:05-20:15

2 stops22h 10m

฿46,237

Flights are sorted by cheapest return flights first.

Deals found on 29/4

Showing 1-10 of 28 resultsSorted by cheapest first
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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 1 May 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
1,392 reviews
Check prices

Crew

8.2

Overall

7.6

Boarding

7.7

Comfort

7.4

Food

6.7

Entertainment

6.9

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

HEL - KAO

It’s a small plane with minimal service and luggage space
Finnair
7.6
Good
1,392 reviews
Finnair
7.6
Good
1,392 reviews
Check prices

Crew

8.2

Overall

7.6

Boarding

7.7

Comfort

7.4

Food

6.7

Entertainment

6.9

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

HEL - KAO

It’s a small plane with minimal service and luggage space

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 24h 40m. The distance from Thailand to Reykjavik Keflavik Intl Airport is about 10137 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • 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 Bangkok Don Mueang Intl - Reykjavik Keflavik Intl or Chiang Mai - 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

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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 1 May 2026.
AirlineCheapestAverageFlexibilityOn-time
FinnairCheapest฿34,055Average฿56,002FlexibilityNo cancel feeOn-time76%
Search Finnair flights

Fly with Cheapflights

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

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

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