฿12,936+ Cheap flights to Keflavik Intl

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 1/11. Fares are subject to change and may not be available on all flights or dates of travel.
— KEF
21 Aug — 28 Aug1
1 adult

Flights to Keflavik Intl in 2025

Find the latest flights to Keflavik Intl in 2025, with up-to-date prices and availability. In the last 7 days, Cheapflights users made a total of 17,341 searches and data was last updated on 16 August 2025.

One-way from

฿12,936

Popular in

August

Cheapest in

April

Average price

฿46,945
สแกนดอเนเวียนแอร์ไลน์
  • สแกนดอเนเวียนแอร์ไลน์
  • 1/11
  • 2 total stops
  • 28h 45m total
  • Bangkok to Reykjavik
Highest demand for flights based on searches. 8% potential increase in price (฿102,968 potential increase over avg. return price).
Cheapest flight prices on average. 3% potential price decrease (฿34,558 potential savings vs. average return price).
Average for return flights in August 2025

Find flight deals to Keflavik Intl Airport

Cheapest flights to Keflavik Intl Airport
Explore the most affordable flight options available to Keflavik Intl Airport. Find the lowest fares based on data from user searches, with prices last updated on 16 August 2025.

Tue 25/1117:25BKK - KEF
2 stops24h 20mMultiple Airlines
Mon 1/1213:00KEF - BKK
1 stop19h 25mMultiple Airlines
Deal found 16/8฿25,450
Sun 23/1109:15BKK - KEF
2 stops32h 30mMultiple Airlines
Mon 1/1213:00KEF - BKK
1 stop19h 25mMultiple Airlines
Deal found 16/8฿26,325
Tue 25/1117:25BKK - KEF
2 stops24h 20mMultiple Airlines
Fri 28/1120:20KEF - BKK
1 stop26h 35mMultiple Airlines
Deal found 16/8฿26,487
Mon 24/1112:40BKK - KEF
2 stops29h 05mMultiple Airlines
Mon 1/1213:00KEF - BKK
1 stop19h 25mMultiple Airlines
Deal found 16/8฿26,585
Sun 23/1109:15BKK - KEF
1 stop21h 40mMultiple Airlines
Tue 2/1212:20KEF - BKK
2 stops30h 05mMultiple Airlines
Deal found 16/8฿27,590
Sun 23/1109:15BKK - KEF
1 stop21h 40mMultiple Airlines
Thu 4/1212:30KEF - BKK
2 stops27h 50mMultiple Airlines
Deal found 16/8฿27,849
Tue 25/1117:25BKK - KEF
2 stops24h 20mMultiple Airlines
Sat 29/1119:05KEF - BKK
1 stop27h 50mMultiple Airlines
Deal found 16/8฿28,108
Sun 23/1109:15BKK - KEF
1 stop21h 40mMultiple Airlines
Sat 29/1118:35KEF - BKK
2 stops27h 45mMultiple Airlines
Deal found 16/8฿28,530
Wed 26/1109:25BKK - KEF
2 stops33h 15mMultiple Airlines
Mon 1/1213:00KEF - BKK
1 stop19h 25mMultiple Airlines
Deal found 16/8฿28,822
Sat 22/1116:20BKK - KEF
2 stops33h 20mMultiple Airlines
Mon 1/1213:00KEF - BKK
1 stop19h 25mMultiple Airlines
Deal found 16/8฿28,886
Thu 27/1102:55BKK - KEF
2 stops23h 45mMultiple Airlines
Mon 1/1213:00KEF - BKK
1 stop19h 25mMultiple Airlines
Deal found 16/8฿29,146
Sat 11/1007:45DMK - KEF
3 stops41h 30mMultiple Airlines
Tue 21/1010:30KEF - DMK
3 stops34h 50mMultiple Airlines
Deal found 14/8฿36,927

Cheapflights Fare Finder

 
Locate flights to Keflavik Intl that fit your budget, with regularly updated fares and availability. In the last 7 days, Cheapflights users made a total of 17,341 searches and data was last updated on 16 August 2025.
Use the filters below to find and compare flights to Reykjavik Keflavik Intl Airport that are best for you.

Fly from

Bangkok

Route

Depart

Return

Price

BangkokReykjavik

BKK - KEF

BKKKEF

Bangkok Suvarnabhumi

Tue 25/11

17:25-10:45

2 stops24h 20m

Reykjavik Keflavik Intl

Mon 1/12

13:00-15:25

1 stop19h 25m

฿25,450

BangkokReykjavik

BKK - KEF

BKKKEF

Bangkok Suvarnabhumi

Sun 23/11

09:15-10:45

2 stops32h 30m

Reykjavik Keflavik Intl

Mon 1/12

13:00-15:25

1 stop19h 25m

฿26,325

BangkokReykjavik

BKK - KEF

BKKKEF

Bangkok Suvarnabhumi

Tue 25/11

17:25-10:45

2 stops24h 20m

Reykjavik Keflavik Intl

Fri 28/11

20:20-05:55

1 stop26h 35m

฿26,487

BangkokReykjavik

BKK - KEF

BKKKEF

Bangkok Suvarnabhumi

Mon 24/11

12:40-10:45

2 stops29h 05m

Reykjavik Keflavik Intl

Mon 1/12

13:00-15:25

1 stop19h 25m

฿26,585

BangkokReykjavik

BKK - KEF

BKKKEF

Bangkok Suvarnabhumi

Sun 23/11

09:15-23:55

1 stop21h 40m

Reykjavik Keflavik Intl

Tue 2/12

12:20-01:25

2 stops30h 05m

฿27,590

BangkokReykjavik

BKK - KEF

BKKKEF

Bangkok Suvarnabhumi

Tue 25/11

17:25-10:45

2 stops24h 20m

Reykjavik Keflavik Intl

Sat 29/11

19:05-05:55

1 stop27h 50m

฿28,108

BangkokReykjavik

BKK - KEF

BKKKEF

Bangkok Suvarnabhumi

Sun 23/11

09:15-23:55

1 stop21h 40m

Reykjavik Keflavik Intl

Sat 29/11

18:35-05:20

2 stops27h 45m

฿28,530

BangkokReykjavik

BKK - KEF

BKKKEF

Bangkok Suvarnabhumi

Wed 26/11

09:25-11:40

2 stops33h 15m

Reykjavik Keflavik Intl

Mon 1/12

13:00-15:25

1 stop19h 25m

฿28,822

BangkokReykjavik

BKK - KEF

BKKKEF

Bangkok Suvarnabhumi

Sat 22/11

16:20-18:40

2 stops33h 20m

Reykjavik Keflavik Intl

Mon 1/12

13:00-15:25

1 stop19h 25m

฿28,886

BangkokReykjavik

BKK - KEF

BKKKEF

Bangkok Suvarnabhumi

Thu 27/11

02:55-19:40

2 stops23h 45m

Reykjavik Keflavik Intl

Mon 1/12

13:00-15:25

1 stop19h 25m

฿29,146

Flights are sorted by cheapest return flights first.

Deals found on 14/8

Showing 1-10 of 15 results
1
2

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
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 to Reykjavik Keflavik Intl Airport

How long is the flight to Keflavik Intl?

On average, a flight from Bangkok to Keflavik Intl takes 24 hours 32 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 cheapest airlines that fly to Keflavik Intl?

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

Rainfall in Keflavik Intl by month

Plan your trip to Keflavik Intl by taking into account the average rainfall totals 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

Plan your trip to Keflavik Intl by taking into account the average temperature totals 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

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 16 August 2025.
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.

Food

6.7

Crew

8.1

Boarding

7.6

Overall

7.6

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.

Food

6.7

Crew

8.1

Boarding

7.6

Overall

7.6

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.

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.

  • What is the cheapest airport to fly to in Keflavik Intl?

    Reykjavik Keflavik Intl is currently the cheapest airport to fly to in Keflavik Intl. One-way flights to Reykjavik Keflavik Intl typically cost ฿1,590, while return flights cost around ฿4,657.

  • How much is a return flight to Keflavik Intl?

    A return flight to Keflavik Intl will typically cost around ฿146, however they can be found for as little as ฿144.

  • 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 (24 hours 25 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 By Kef Airport is the closest property to Reykjavik Keflavik Intl (1.6 km away from Reykjavik Keflavik Intl).

See more FAQs

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