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฿11,837+ Cheap flights to Keflavik Intl

— KEF
29 Nov — 6 Dec1
1 adult
1 adult, Economy, 0 bags

Flights to Keflavik Intl in 2026

Enter your travel dates to find the best prices.

Cheapest flights to Keflavik Intl Airport

Fri 6/1113:15 -
1 stop30h 50m
Thu 19/1115:10 -
1 stop16h 40m
Deal found 28/10฿24,146
Fri 6/1119:30 -
2 stops22h 45m
Thu 19/1113:45 -
2 stops21h 20m
Deal found 28/10฿25,529
Wed 25/1120:50 -
2 stops20h 55m
Wed 2/1215:30 -
2 stops32h 05m
Deal found 26/10฿29,205
Wed 25/1108:00 -
1 stop32h 15m
Wed 2/1210:00 -
1 stop23h 35m
Deal found 26/10฿32,813

Find flight deals to Keflavik Intl Airport

Return from

฿24,146

One-way from

฿11,837
ลุฟท์ฮันซ่า
  • ลุฟท์ฮันซ่า
  • 6/11-19/11
  • 2 total stops
  • 47h 30m total
  • Bangkok to Reykjavik
Search Deals
24/11-31/12
  • 24/11-31/12
  • 2 total stops
  • 45h 25m total
  • Bangkok to Reykjavik
Search Deals

Cheapflights Fare Finder

 
Use the filters below to find and compare flights to Reykjavik Keflavik Intl Airport that are best for you.

Fly from

Route

Depart

Return

Price

Cheapest return flight

BangkokReykjavik

BKK Bangkok Suvarnabhumi - KEF Reykjavik Keflavik Intl

BKKKEF

Bangkok Suvarnabhumi

Thu 31/12

14:20-09:10

1 stop25h 50m

Reykjavik Keflavik Intl

Wed 31/12

00:00-07:00

Nonstop0h 00m

฿14,771

BangkokReykjavik

BKK Bangkok Suvarnabhumi - KEF Reykjavik Keflavik Intl

BKKKEF

Bangkok Suvarnabhumi

Fri 1/1

05:55-10:15

2 stops59h 20m

Reykjavik Keflavik Intl

Wed 31/12

00:00-07:00

Nonstop0h 00m

฿21,887

BangkokReykjavik

BKK Bangkok Suvarnabhumi - KEF Reykjavik Keflavik Intl

BKKKEF

Bangkok Suvarnabhumi

Tue 30/3

01:30-11:15

2 stops40h 45m

Reykjavik Keflavik Intl

Wed 31/12

00:00-07:00

Nonstop0h 00m

฿23,843

BangkokReykjavik

BKK Bangkok Suvarnabhumi - KEF Reykjavik Keflavik Intl

BKKKEF

Bangkok Suvarnabhumi

Wed 31/3

12:35-08:25

1 stop26h 50m

Reykjavik Keflavik Intl

Wed 31/12

00:00-07:00

Nonstop0h 00m

฿24,281

BangkokReykjavik

BKK Bangkok Suvarnabhumi - KEF Reykjavik Keflavik Intl

BKKKEF

Bangkok Suvarnabhumi

Sun 10/1

08:15-14:10

2 stops36h 55m

Reykjavik Keflavik Intl

Wed 31/12

00:00-07:00

Nonstop0h 00m

฿27,316
Fastest return journey

BangkokReykjavik

BKK Bangkok Suvarnabhumi - KEF Reykjavik Keflavik Intl

BKKKEF

Bangkok Suvarnabhumi

Tue 30/3

00:05-18:45

1 stop25h 40m

Reykjavik Keflavik Intl

Wed 31/12

00:00-07:00

Nonstop0h 00m

฿27,451

BangkokReykjavik

BKK Bangkok Suvarnabhumi - KEF Reykjavik Keflavik Intl

BKKKEF

Bangkok Suvarnabhumi

Mon 1/2

14:40-14:10

2 stops30h 30m

Reykjavik Keflavik Intl

Mon 15/2

15:30-06:35

2 stops32h 05m

฿28,800

BangkokReykjavik

BKK Bangkok Suvarnabhumi - KEF Reykjavik Keflavik Intl

BKKKEF

Bangkok Suvarnabhumi

Mon 1/2

12:35-10:50

1 stop29h 15m

Reykjavik Keflavik Intl

Mon 15/2

18:05-10:35

1 stop33h 30m

฿30,891

BangkokReykjavik

BKK Bangkok Suvarnabhumi - KEF Reykjavik Keflavik Intl

BKKKEF

Bangkok Suvarnabhumi

Wed 25/11

22:20-13:45

2 stops46h 25m

Reykjavik Keflavik Intl

Wed 2/12

11:55-03:40

1 stop32h 45m

฿32,004

Flights are sorted by cheapest return flights first.

Deals found on 25/10

Sorted by cheapest first

Best time to book a flight to Keflavik Intl

Have a flexible travel schedule? Discover the best time to fly to Keflavik Intl with our price prediction graph.
Estimated return price

Cheapflights Insights

Everything you need to know about your flight to Reykjavik Keflavik Intl Airport

How long is the flight to Keflavik Intl?

On average, a flight from Bangkok to Keflavik Intl takes 22 hours 35 minutes. Flights to Keflavik Intl from other popular cities in Thailand will vary in length. Below are a few examples of popular routes and their flight times.

What are the most popular airlines that fly to Keflavik Intl?

The most popular airline flying from Bangkok to Keflavik Intl is Finnair.

Finnair
Finnair
From ฿37,589

What are the cheapest airlines that fly to Keflavik Intl?

The cheapest airline flying from Bangkok to Keflavik Intl is Finnair.

Rainfall in Keflavik Intl by month

In terms of precipitation, rainfall in Keflavik Intl ranges from 40.0 - 80.0 mm per month. January is typically the wettest month, when rainfall can reach 80.0 mm. May is typically the driest time to visit Keflavik Intl when rainfall is around 40.0 mm.

Temperature in Keflavik Intl by month

If weather is an important factor for your trip to Keflavik Intl, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 11.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 0.0 C).

Reviews of airlines servicing Keflavik Intl

Read through reviews of airlines serving Iceland, such as Finnair. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Finnair
7.6
Good
1,417 reviews
Check prices

Comfort

7.4

Overall

7.6

Boarding

7.6

Entertainment

6.9

Food

6.7

Crew

8.2

Reviews

1 / 20
6.0
Good

Gurinder,Aug 2026

BKK - HEL

The flight from Helsinki to Toronto was very cramped. No leg space and no room to even walk. Very bad experience
Finnair
7.6
Good
1,417 reviews
Finnair
7.6
Good
1,417 reviews
Check prices

Comfort

7.4

Overall

7.6

Boarding

7.6

Entertainment

6.9

Food

6.7

Crew

8.2

Reviews

1 / 20
6.0
Good

Gurinder,Aug 2026

BKK - HEL

The flight from Helsinki to Toronto was very cramped. No leg space and no room to even walk. Very bad experience

FAQs about flying to Keflavik Intl

  • Can I find cheaper flights to Keflavik Intl if I am willing to have stopovers?

    Yes, flights with stopovers are often cheaper than direct flights. Keep an eye out for flight deals to Keflavik Intl on Cheapflights that require 1 or 2 stops for potential cost savings.

  • What is the best airline to fly to Keflavik Intl?

    Based on reviews from Cheapflights users, Finnair is rated the highest out of the airlines that fly to Keflavik Intl.

  • Where does the fastest flight to Keflavik Intl depart from?

    For those looking to save time traveling to Keflavik Intl, Bangkok offers the quickest one-way flight (22 hours 35 minutes).

  • Does Reykjavik Keflavik Intl have rental cars?

    Yes. Those touching down at Reykjavik Keflavik Intl can take advantage of the car hire services offered upon their arrival.

  • Are there hotels close to Reykjavik Keflavik Intl?

    Yes. Reykjavik Keflavik Intl has hotels nearby for those requiring accommodations. Bank Guesthouse is the closest property to Reykjavik Keflavik Intl (1.6 km away from Reykjavik Keflavik Intl).

See more FAQs

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

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

Yes, Cheapflights has a feature called Price Alerts, which notifies users when flight prices change. Track prices for your flight to Keflavik Intl today and book when you’re ready!

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