Cheap flights from Thailand to Reykjavik Keflavik Intl Airport from ฿14,442

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 27/12. Fares are subject to change and may not be available on all flights or dates of travel.
BKK — KEF
19 Jan — 26 Jan1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Thailand to Keflavik Intl

Enter your travel dates to find the best prices.

Best flights from Thailand to Keflavik Intl
Discover carefully curated flight deals from Thailand to Keflavik Intl that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 20 December 2025.

Fri 13/309:05BKK - KEF
2 stops37h 10mMultiple Airlines
Sun 22/307:30KEF - BKK
2 stops22h 35mMultiple Airlines
Deal found 19/12฿31,395
Sun 25/122:50BKK - KEF
1 stop18h 55mสแกนดอเนเวียนแอร์ไลน์
Thu 29/107:35KEF - BKK
1 stop16h 45mสแกนดอเนเวียนแอร์ไลน์
Deal found 18/12฿33,593
Fri 13/315:00BKK - KEF
1 stop25h 15mFinnair
Sun 22/310:00KEF - BKK
1 stop37h 05mFinnair
Deal found 19/12฿34,064
Sat 31/112:45BKK - KEF
1 stop29h 00mสแกนดอเนเวียนแอร์ไลน์
Wed 4/211:30KEF - BKK
1 stop36h 50mสแกนดอเนเวียนแอร์ไลน์
Deal found 19/12฿33,593
Fri 10/421:05BKK - KEF
3 stops28h 15mMultiple Airlines
Sat 18/417:10KEF - BKK
3 stops34h 10mMultiple Airlines
Deal found 20/12฿33,655
Thu 11/620:00CNX - KEF
2 stops50h 40mFinnair
Mon 15/608:35KEF - CNX
2 stops41h 45mFinnair
Deal found 18/12฿51,959

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 20 December 2025.

Round-trip from

฿28,256

One-way from

฿14,442

Popular in

December

Cheapest in

May

Average price

฿41,159
4/3-15/3
  • 4/3-15/3
  • 3 total stops
  • 72h 35m total
  • Thailand to Reykjavik
27/12
  • 27/12
  • 2 total stops
  • 37h 55m total
  • Thailand to Reykjavik
Highest demand for flights based on searches. 5% potential increase in price (฿53,606 potential increase over avg. return price).
Cheapest flight prices on average. 3% potential price decrease (฿29,622 potential savings vs. average return price).
Average for round-trip flights in December 2025

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 20 December 2025.
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 13/3

09:05-15:15

2 stops37h 10m

Reykjavik Keflavik Intl

Sun 22/3

07:30-13:05

2 stops22h 35m

฿31,395

BangkokReykjavik

BKK - KEF

BKKKEF

Bangkok Suvarnabhumi

Sun 25/1

22:50-10:45

1 stop18h 55m

Reykjavik Keflavik Intl

Thu 29/1

07:35-07:20

1 stop16h 45m

฿33,593

BangkokReykjavik

BKK - KEF

BKKKEF

Bangkok Suvarnabhumi

Sat 31/1

12:45-10:45

1 stop29h 00m

Reykjavik Keflavik Intl

Wed 4/2

11:30-07:20

1 stop36h 50m

฿33,593

BangkokReykjavik

BKK - KEF

BKKKEF

Bangkok Suvarnabhumi

Fri 10/4

21:05-18:20

3 stops28h 15m

Reykjavik Keflavik Intl

Sat 18/4

17:10-10:20

3 stops34h 10m

฿33,655

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

฿34,064

Chiang MaiReykjavik

CNX - KEF

CNXKEF

Chiang Mai

Thu 11/6

20:00-15:40

2 stops50h 40m

Reykjavik Keflavik Intl

Mon 15/6

08:35-09:20

2 stops41h 45m

฿51,959

BangkokReykjavik

BKK - KEF

BKKKEF

Bangkok Suvarnabhumi

Sat 27/12

12:00-18:55

2 stops37h 55m

฿14,442

BangkokReykjavik

BKK - KEF

BKKKEF

Bangkok Suvarnabhumi

Mon 26/1

08:55-14:10

2 stops36h 15m

฿15,415

BangkokReykjavik

BKK - KEF

BKKKEF

Bangkok Suvarnabhumi

Tue 31/3

21:05-13:50

2 stops23h 45m

฿17,110

BangkokReykjavik

BKK - KEF

BKKKEF

Bangkok Suvarnabhumi

Fri 3/4

21:05-13:50

2 stops47h 45m

฿18,240

Flights are sorted by cheapest return flights first.

Deals found on 20/12

Showing 1-10 of 12 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 20 December 2025.
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.

Entertainment

6.9

Overall

7.6

Crew

8.1

Boarding

7.6

Comfort

7.4

Food

6.7

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.

Entertainment

6.9

Overall

7.6

Crew

8.1

Boarding

7.6

Comfort

7.4

Food

6.7

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 18h 55m. 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?

  • 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.

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 20 December 2025.
AirlineCheapestAverageFlexibilityOn-time
FinnairCheapest฿31,673Average฿53,834FlexibilityNo cancel feeOn-time76%
Search Finnair flights

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