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Thailand (ภาษาไทย)
ภาษาไทย

฿14,080+ 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 28/4. Fares are subject to change and may not be available on all flights or dates of travel.
— KEF
31 Dec — 7 Jan1
1 adult
1 adult, Economy, 0 bags

Find flight deals to Keflavik Intl Airport

Enter your travel dates to find the best prices.

Best flights to Keflavik Intl Airport
Discover carefully curated flight deals to Keflavik Intl Airport that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 1 December 2025.

Mon 2/214:40BKK - KEF
2 stops28h 15mMultiple Airlines
Sun 26/401:25KEF - BKK
3 stops29h 20mMultiple Airlines
Deal found 30/11฿27,936
Wed 21/114:00BKK - KEF
2 stops31h 15mลุฟท์ฮันซ่า
Sat 31/115:10KEF - BKK
1 stop16h 40mลุฟท์ฮันซ่า
Deal found 30/11฿30,214
Fri 23/109:05BKK - KEF
1 stop32h 35mสแกนดอเนเวียนแอร์ไลน์
Tue 27/107:35KEF - BKK
1 stop16h 45mสแกนดอเนเวียนแอร์ไลน์
Deal found 28/11฿30,342
Wed 21/110:10BKK - KEF
2 stops30h 05mMultiple Airlines
Sat 31/119:05KEF - BKK
2 stops29h 05mMultiple Airlines
Deal found 30/11฿29,187
Mon 2/214:40BKK - KEF
2 stops28h 15mMultiple Airlines
Tue 28/420:05KEF - BKK
3 stops34h 40mMultiple Airlines
Deal found 30/11฿29,508
Wed 21/116:35DMK - KEF
2 stops28h 40mMultiple Airlines
Sat 31/114:20KEF - DMK
2 stops24h 50mMultiple Airlines
Deal found 30/11฿31,978
Wed 18/307:15DMK - KEF
3 stops41h 45mMultiple Airlines
Thu 26/312:30KEF - DMK
3 stops32h 50mMultiple Airlines
Deal found 1/12฿32,940

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 1 December 2025.

Return from

฿27,487

One-way from

฿14,080

Popular in

December

Cheapest in

November

Average price

฿42,049
2/2-26/4
  • 2/2-26/4
  • 6 total stops
  • 67h 55m total
  • Bangkok to Reykjavik
Search Deals
28/4
  • 28/4
  • 3 total stops
  • 50h 25m total
  • Bangkok to Reykjavik
Search Deals
Highest demand for flights based on searches. 3% potential increase in price (฿1,251 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (฿1,015 potential savings vs. average return price).
Search Deals
Average for return flights in December 2025
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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 1 December 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

Mon 2/2

14:40-11:55

2 stops28h 15m

Reykjavik Keflavik Intl

Sun 26/4

01:25-13:45

3 stops29h 20m

฿27,936

BangkokReykjavik

BKK - KEF

BKKKEF

Bangkok Suvarnabhumi

Wed 21/1

10:10-09:15

2 stops30h 05m

Reykjavik Keflavik Intl

Sat 31/1

19:05-07:10

2 stops29h 05m

฿29,187

BangkokReykjavik

BKK - KEF

BKKKEF

Bangkok Suvarnabhumi

Mon 2/2

14:40-11:55

2 stops28h 15m

Reykjavik Keflavik Intl

Tue 28/4

20:05-13:45

3 stops34h 40m

฿29,508

BangkokReykjavik

BKK - KEF

BKKKEF

Bangkok Suvarnabhumi

Wed 21/1

14:00-14:15

2 stops31h 15m

Reykjavik Keflavik Intl

Sat 31/1

15:10-14:50

1 stop16h 40m

฿30,214

BangkokReykjavik

BKK - KEF

BKKKEF

Bangkok Suvarnabhumi

Fri 23/1

09:05-10:40

1 stop32h 35m

Reykjavik Keflavik Intl

Tue 27/1

07:35-07:20

1 stop16h 45m

฿30,342

BangkokReykjavik

DMK - KEF

DMKKEF

Bangkok Don Mueang Intl

Wed 21/1

16:35-14:15

2 stops28h 40m

Reykjavik Keflavik Intl

Sat 31/1

14:20-22:10

2 stops24h 50m

฿31,978

BangkokReykjavik

DMK - KEF

DMKKEF

Bangkok Don Mueang Intl

Wed 18/3

07:15-18:00

3 stops41h 45m

Reykjavik Keflavik Intl

Thu 26/3

12:30-04:20

3 stops32h 50m

฿32,940

BangkokReykjavik

DMK - KEF

DMKKEF

Bangkok Don Mueang Intl

Tue 28/4

05:10-00:35

3 stops50h 25m

฿14,080

BangkokReykjavik

BKK - KEF

BKKKEF

Bangkok Suvarnabhumi

Tue 28/4

18:25-00:35

3 stops37h 10m

฿14,305

BangkokReykjavik

BKK - KEF

BKKKEF

Bangkok Suvarnabhumi

Tue 31/3

20:00-17:35

2 stops28h 35m

฿17,288

Flights are sorted by cheapest return flights first.

Deals found on 29/11

Showing 1-10 of 14 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 25 hours 7 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 ฿29,087

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

Entertainment

6.9

Boarding

7.6

Comfort

7.4

Food

6.7

Crew

8.1

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

Boarding

7.6

Comfort

7.4

Food

6.7

Crew

8.1

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.

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 ฿3,001, while return flights cost around ฿10,668.

  • How much is a return flight to Keflavik Intl?

    A return flight to Keflavik Intl will typically cost around ฿11,096, however they can be found for as little as ฿10,668.

  • 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 (21 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 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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Why should you use Cheapflights to find cheap flight tickets to Keflavik Intl?

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Yes, we can. To see specific flights to Keflavik Intl with no change fees, users can toggle flexible booking options after using the search form above to find flights.

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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