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Cheap flights from Bangkok to Reykjavik Keflavik Intl Airport from ฿13,857

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 18/9. Fares are subject to change and may not be available on all flights or dates of travel.
BKK — KEF
25 Aug — 1 Sep1
1 adult

Cheap flight deals from Bangkok to Keflavik Intl

Discover tips and strategies to find the most affordable flight options for your journey from Bangkok (TH1) to Keflavik Intl (KEF). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 20 August 2025.

Round-trip from

฿31,813

One-way from

฿13,857

Popular in

June

Cheapest in

May

Average price

฿32,692
1/10-9/10
  • 1/10-9/10
  • 4 total stops
  • 68h 10m total
  • Bangkok to Reykjavik
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18/9
  • 18/9
  • 3 total stops
  • 53h 05m total
  • Bangkok to Reykjavik
Search Deals
Highest demand for flights based on searches. 6% potential increase in price (฿77,332 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (฿62,509 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 2025
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Find flight deals from Bangkok to Keflavik Intl

Cheapest flights from Bangkok to Keflavik Intl
Explore the most affordable flight options available from Bangkok to Keflavik Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 20 August 2025.

Wed 1/1002:55BKK - KEF
2 stops38h 00mMultiple Airlines
Thu 9/1010:45KEF - BKK
2 stops30h 10mMultiple Airlines
Deal found 18/8฿31,813
Thu 2/1022:45BKK - KEF
1 stop23h 35mไอซ์แลนด์แอร์
Thu 9/1015:25KEF - BKK
1 stop17h 00mไอซ์แลนด์แอร์
Deal found 18/8฿32,626
Sat 15/1120:30BKK - KEF
2 stops24h 40mMultiple Airlines
Sat 22/1107:40KEF - BKK
2 stops22h 25mMultiple Airlines
Deal found 19/8฿33,700
Fri 5/1208:15BKK - KEF
2 stops22h 40mMultiple Airlines
Sat 13/1207:50KEF - BKK
2 stops27h 35mMultiple Airlines
Deal found 18/8฿33,863
Sat 1/1123:10BKK - KEF
1 stop24h 55mบริติชแอร์เวย์
Tue 11/1111:50KEF - BKK
1 stop21h 15mบริติชแอร์เวย์
Deal found 19/8฿34,708
Sat 15/1108:00BKK - KEF
1 stop38h 55mFinnair
Sat 22/1118:00KEF - BKK
1 stop29h 05mFinnair
Deal found 20/8฿35,001

Cheapflights Fare Finder

 
Customise your flight search to find flights from Bangkok 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 August 2025.
Use the filters below to find and compare flights from Bangkok to Reykjavik Keflavik Intl Airport that are best for you.

Fly from

Bangkok

Fly to

Keflavik Intl

Route

Depart

Return

Price

BangkokReykjavik

BKK - KEF

BKKKEF

Bangkok Suvarnabhumi

Thu 2/10

10:05-09:55

2 stops30h 50m

Reykjavik Keflavik Intl

Thu 9/10

10:45-23:55

2 stops30h 10m

฿31,813

BangkokReykjavik

BKK - KEF

BKKKEF

Bangkok Suvarnabhumi

Thu 2/10

22:45-15:20

1 stop23h 35m

Reykjavik Keflavik Intl

Thu 9/10

15:25-15:25

1 stop17h 00m

฿32,626

BangkokReykjavik

BKK - KEF

BKKKEF

Bangkok Suvarnabhumi

Sat 15/11

20:30-14:10

2 stops24h 40m

Reykjavik Keflavik Intl

Sat 22/11

07:40-13:05

2 stops22h 25m

฿33,700

BangkokReykjavik

BKK - KEF

BKKKEF

Bangkok Suvarnabhumi

Fri 5/12

08:15-23:55

2 stops22h 40m

Reykjavik Keflavik Intl

Sat 13/12

07:50-18:25

2 stops27h 35m

฿33,863

BangkokReykjavik

BKK - KEF

BKKKEF

Bangkok Suvarnabhumi

Sat 1/11

23:10-17:05

1 stop24h 55m

Reykjavik Keflavik Intl

Tue 11/11

11:50-16:05

1 stop21h 15m

฿34,708

BangkokReykjavik

BKK - KEF

BKKKEF

Bangkok Suvarnabhumi

Sat 15/11

23:10-17:05

1 stop24h 55m

Reykjavik Keflavik Intl

Tue 25/11

11:50-16:05

1 stop21h 15m

฿34,708

BangkokReykjavik

BKK - KEF

BKKKEF

Bangkok Suvarnabhumi

Sat 8/11

23:10-17:05

1 stop24h 55m

Reykjavik Keflavik Intl

Tue 18/11

11:50-16:05

1 stop21h 15m

฿34,708

BangkokReykjavik

BKK - KEF

BKKKEF

Bangkok Suvarnabhumi

Thu 18/9

21:05-18:30

3 stops52h 25m

฿14,410

BangkokReykjavik

BKK - KEF

BKKKEF

Bangkok Suvarnabhumi

Wed 10/9

02:10-07:45

2 stops36h 35m

฿14,671

BangkokReykjavik

DMK - KEF

DMKKEF

Bangkok Don Mueang Intl

Wed 17/9

00:30-13:45

3 stops44h 15m

฿15,711

Flights are sorted by cheapest return flights first.

Deals found on 20/8

Showing 1-10 of 11 results
1
2

Best time to book a flight from Bangkok to Keflavik Intl

Have a flexible travel schedule? Discover the best time to fly to Keflavik Intl from Bangkok 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 Bangkok 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 August 2025.
See what other customers who have flown with Finnair from Bangkok 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
1,320 reviews
Check prices

Overall

7.6

Boarding

7.6

Food

6.7

Crew

8.1

Entertainment

6.9

Comfort

7.5

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
1,320 reviews
Finnair
7.6
Good
1,320 reviews
Check prices

Overall

7.6

Boarding

7.6

Food

6.7

Crew

8.1

Entertainment

6.9

Comfort

7.5

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 Bangkok 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 Bangkok to Reykjavik Keflavik Intl Airport?

    Departing from Bangkok to Reykjavik Keflavik Intl Airport will take you 23h 35m. There are 10137 km between Bangkok and Reykjavik Keflavik Intl Airport.

  • What is the cheapest airline to fly from Bangkok to Reykjavik Keflavik Intl Airport round-trip?

    According to our current data, Finnair (฿29,500), offers the cheapest pricing from Bangkok to Reykjavik Keflavik Intl Airport. This flight start at 17% lower than the current average price 3 months from now.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Bangkok 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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Top airline flying from Bangkok to Keflavik Intl

Discover the top airline that operate flights from Bangkok 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 August 2025.
AirlineCheapestAverageFlexibilityOn-time
FinnairCheapest฿29,500Average฿33,091FlexibilityNo cancel feeOn-time76%
Search Finnair flights

Fly with Cheapflights

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

Cheapflights makes it easy to find Bangkok to Keflavik Intl flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Bangkok to Keflavik Intl?

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

Cheapflights does show flights with no change fees to all users. To see these options for flights from Bangkok to Keflavik Intl, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Bangkok to Keflavik Intl become cheaper?

Not ready to book yet? You can track prices for flights from Bangkok to Keflavik Intl on Cheapflights with our Price Alert feature and get notified when better prices are available.

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