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Cheap flights from Thailand to Reykjavik Keflavik Intl Airport from ฿13,155

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 11/2. Fares are subject to change and may not be available on all flights or dates of travel.
BKK — KEF
14 Dec — 21 Dec1
1 adult
1 adult, Economy, 0 bags

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 14 November 2025.

Thu 25/1215:00BKK - KEF
1 stop25h 15mFinnair
Mon 29/1209:45KEF - BKK
1 stop37h 20mFinnair
Deal found 12/11฿29,316
Sat 15/1112:45BKK - KEF
1 stop29h 00mสแกนดอเนเวียนแอร์ไลน์
Sat 22/1111:25KEF - BKK
1 stop21h 55mสแกนดอเนเวียนแอร์ไลน์
Deal found 12/11฿30,318
Mon 29/1208:00BKK - KEF
1 stop32h 15mFinnair
Mon 5/109:45KEF - BKK
1 stop37h 20mFinnair
Deal found 12/11฿30,673
Sat 27/1215:00BKK - KEF
1 stop25h 15mFinnair
Sat 3/110:00KEF - BKK
1 stop37h 05mFinnair
Deal found 12/11฿32,903
Sun 21/1216:10BKK - KEF
1 stop33h 30mMultiple Airlines
Thu 1/100:45KEF - BKK
2 stops50h 45mMultiple Airlines
Deal found 14/11฿39,141
Sun 21/1215:00BKK - KEF
1 stop25h 15mFinnair
Fri 2/110:00KEF - BKK
1 stop20h 15mFinnair
Deal found 11/11฿39,982
Sat 15/1115:00BKK - KEF
1 stop25h 15mFinnair
Sat 22/1118:00KEF - BKK
1 stop36h 15mFinnair
Deal found 13/11฿40,822
Mon 29/1209:50DMK - KEF
3 stops45h 05mMultiple Airlines
Mon 5/116:20KEF - DMK
2 stops27h 10mMultiple Airlines
Deal found 12/11฿44,184
Sun 21/1213:40DMK - KEF
2 stops36h 20mMultiple Airlines
Thu 1/100:45KEF - DMK
3 stops42h 45mMultiple Airlines
Deal found 11/11฿45,670

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 14 November 2025.

Round-trip from

฿26,698

One-way from

฿13,155

Popular in

February

Cheapest in

November

Average price

฿27,958
ลุฟท์ฮันซ่า
  • ลุฟท์ฮันซ่า
  • 11/5-16/5
  • 2 total stops
  • 60h 35m total
  • Thailand to Reykjavik
Search Deals
11/2
  • 11/2
  • 3 total stops
  • 47h 05m total
  • Thailand to Reykjavik
Search Deals
Highest demand for flights based on searches. 26% potential increase in price (฿467,876 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 19% potential price decrease (฿211,393 potential savings vs. average return price).
Search Deals
Average for round-trip flights in November 2025
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 14 November 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

Mon 11/5

23:40-12:55

2 stops20h 15m

Reykjavik Keflavik Intl

Sat 16/5

01:15-14:10

1 stop29h 55m

฿26,730

BangkokReykjavik

BKK - KEF

BKKKEF

Bangkok Suvarnabhumi

Mon 11/5

07:05-07:50

1 stop31h 45m

Reykjavik Keflavik Intl

Sun 17/5

08:35-05:30

1 stop37h 55m

฿30,350

BangkokReykjavik

BKK - KEF

BKKKEF

Bangkok Suvarnabhumi

Mon 11/5

19:40-18:20

2 stops29h 40m

Reykjavik Keflavik Intl

Sun 17/5

17:50-17:25

3 stops40h 35m

฿30,576

BangkokReykjavik

BKK - KEF

BKKKEF

Bangkok Suvarnabhumi

Mon 29/12

08:00-09:15

1 stop32h 15m

Reykjavik Keflavik Intl

Mon 5/1

09:45-06:05

1 stop37h 20m

฿30,673

BangkokReykjavik

BKK - KEF

BKKKEF

Bangkok Suvarnabhumi

Fri 13/3

08:05-09:15

1 stop32h 10m

Reykjavik Keflavik Intl

Sun 22/3

10:00-06:05

1 stop37h 05m

฿31,287

BangkokReykjavik

BKK - KEF

BKKKEF

Bangkok Suvarnabhumi

Sat 27/12

15:00-09:15

1 stop25h 15m

Reykjavik Keflavik Intl

Sat 3/1

10:00-06:05

1 stop37h 05m

฿32,903

BangkokReykjavik

BKK - KEF

BKKKEF

Bangkok Suvarnabhumi

Tue 10/3

14:00-14:15

2 stops55h 15m

Reykjavik Keflavik Intl

Sat 14/3

15:10-12:20

2 stops38h 10m

฿32,968

BangkokReykjavik

BKK - KEF

BKKKEF

Bangkok Suvarnabhumi

Tue 10/3

13:15-13:05

1 stop30h 50m

Reykjavik Keflavik Intl

Sat 14/3

14:20-10:45

1 stop37h 25m

฿33,033

BangkokReykjavik

DMK - KEF

DMKKEF

Bangkok Don Mueang Intl

Mon 29/12

09:50-23:55

3 stops45h 05m

Reykjavik Keflavik Intl

Mon 5/1

16:20-02:30

2 stops27h 10m

฿44,184

Chiang MaiReykjavik

CNX - KEF

CNXKEF

Chiang Mai

Thu 19/3

10:10-15:55

2 stops36h 45m

Reykjavik Keflavik Intl

Mon 23/3

09:45-11:20

2 stops42h 35m

฿45,509

Flights are sorted by cheapest return flights first.

Deals found on 12/11

Showing 1-10 of 17 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 14 November 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.
Finnair
7.6
Good
1,334 reviews
Check prices

Entertainment

6.9

Comfort

7.4

Crew

8.1

Food

6.7

Boarding

7.6

Overall

7.6

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
1,334 reviews
Finnair
7.6
Good
1,334 reviews
Check prices

Entertainment

6.9

Comfort

7.4

Crew

8.1

Food

6.7

Boarding

7.6

Overall

7.6

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 20h 15m. 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 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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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 14 November 2025.
AirlineCheapestAverageFlexibilityOn-time
FinnairCheapest฿29,312Average฿33,419FlexibilityNo cancel feeOn-time76%
Search Finnair flights

Fly with Cheapflights

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