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Cheap flights from Thailand to Reykjavik Keflavik Intl Airport from ฿17,625

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 26/1. Fares are subject to change and may not be available on all flights or dates of travel.
BKK — KEF
4 Feb — 11 Feb1
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 5 January 2026.

Mon 26/112:40BKK - KEF
1 stop33h 40mMultiple Airlines
Tue 3/211:30KEF - BKK
2 stops30h 50mMultiple Airlines
Deal found 3/1฿25,021
Sun 1/216:10BKK - KEF
1 stop27h 05mMultiple Airlines
Sun 8/219:35KEF - BKK
2 stops36h 50mMultiple Airlines
Deal found 3/1฿25,178
Tue 24/309:05BKK - KEF
2 stops36h 05mMultiple Airlines
Wed 15/407:50KEF - BKK
2 stops22h 30mMultiple Airlines
Deal found 4/1฿28,388
Wed 25/308:15BKK - KEF
2 stops22h 40mMultiple Airlines
Thu 16/407:50KEF - BKK
2 stops22h 05mMultiple Airlines
Deal found 4/1฿28,797
Sun 22/312:25BKK - KEF
1 stop37h 20mMultiple Airlines
Tue 14/419:00KEF - BKK
2 stops32h 20mMultiple Airlines
Deal found 4/1฿29,144
Sun 22/312:25BKK - KEF
1 stop37h 20mMultiple Airlines
Sat 18/419:00KEF - BKK
2 stops39h 25mMultiple Airlines
Deal found 4/1฿29,364
Sun 22/312:25BKK - KEF
1 stop37h 20mMultiple Airlines
Mon 13/418:40KEF - BKK
2 stops39h 45mMultiple Airlines
Deal found 4/1฿29,647
Thu 2/419:20BKK - KEF
3 stops35h 15mMultiple Airlines
Thu 16/400:45KEF - BKK
3 stops35h 40mMultiple Airlines
Deal found 4/1฿29,773
Mon 26/118:20DMK - KEF
3 stops27h 25mMultiple Airlines
Tue 3/213:00KEF - DMK
3 stops26h 50mMultiple Airlines
Deal found 3/1฿34,557
Sat 23/520:00CNX - KEF
2 stops42h 50mFinnair
Tue 26/508:35KEF - CNX
2 stops41h 45mFinnair
Deal found 4/1฿47,429

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 5 January 2026.

Round-trip from

฿23,195

One-way from

฿17,625

Popular in

December

Cheapest in

May
ออสเตรียนแอร์ไลน์
  • ออสเตรียนแอร์ไลน์
  • 29/5-6/6
  • 2 total stops
  • 62h 20m total
  • Thailand to Reykjavik
Search Deals
26/1
  • 26/1
  • 2 total stops
  • 26h 15m total
  • Thailand to Reykjavik
Search Deals
Highest demand for flights based on searches. 5% potential increase in price (฿54,442 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (฿30,628 potential savings vs. average return price).
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 5 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

Mon 26/1

12:40-15:20

1 stop33h 40m

Reykjavik Keflavik Intl

Tue 3/2

11:30-01:20

2 stops30h 50m

฿25,021

BangkokReykjavik

BKK - KEF

BKKKEF

Bangkok Suvarnabhumi

Sun 1/2

16:10-12:15

1 stop27h 05m

Reykjavik Keflavik Intl

Sun 8/2

19:35-15:25

2 stops36h 50m

฿25,178

BangkokReykjavik

BKK - KEF

BKKKEF

Bangkok Suvarnabhumi

Wed 25/3

08:15-23:55

2 stops22h 40m

Reykjavik Keflavik Intl

Thu 16/4

07:50-12:55

2 stops22h 05m

฿28,797

BangkokReykjavik

BKK - KEF

BKKKEF

Bangkok Suvarnabhumi

Thu 2/4

19:20-23:35

3 stops35h 15m

Reykjavik Keflavik Intl

Thu 16/4

00:45-19:25

3 stops35h 40m

฿29,773

BangkokReykjavik

BKK - KEF

BKKKEF

Bangkok Suvarnabhumi

Fri 13/3

09:05-15:15

2 stops37h 10m

Reykjavik Keflavik Intl

Sun 22/3

07:35-12:15

2 stops21h 40m

฿29,867

BangkokReykjavik

BKK - KEF

BKKKEF

Bangkok Suvarnabhumi

Fri 3/4

07:05-07:50

1 stop31h 45m

Reykjavik Keflavik Intl

Wed 15/4

17:15-05:30

1 stop29h 15m

฿30,402

BangkokReykjavik

BKK - KEF

BKKKEF

Bangkok Suvarnabhumi

Fri 3/4

08:35-08:15

2 stops54h 40m

Reykjavik Keflavik Intl

Wed 15/4

07:50-06:15

1 stop15h 25m

฿31,410

BangkokReykjavik

DMK - KEF

DMKKEF

Bangkok Don Mueang Intl

Mon 26/1

18:20-14:45

3 stops27h 25m

Reykjavik Keflavik Intl

Tue 3/2

13:00-22:50

3 stops26h 50m

฿34,557

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

฿47,429

BangkokReykjavik

BKK - KEF

BKKKEF

Bangkok Suvarnabhumi

Mon 26/1

18:55-14:10

2 stops26h 15m

฿17,625

Flights are sorted by cheapest return flights first.

Deals found on 3/1

Showing 1-10 of 14 results
1
2

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 5 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
1,345 reviews
Check prices

Crew

8.2

Food

6.7

Overall

7.6

Entertainment

6.9

Boarding

7.6

Comfort

7.4

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.
Finnair
7.6
Good
1,345 reviews
Finnair
7.6
Good
1,345 reviews
Check prices

Crew

8.2

Food

6.7

Overall

7.6

Entertainment

6.9

Boarding

7.6

Comfort

7.4

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.

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

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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 5 January 2026.
AirlineCheapestAverageFlexibilityOn-time
FinnairCheapest฿31,751Average฿50,537FlexibilityNo 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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