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Thailand (ภาษาไทย)
ภาษาไทย

฿12,647+ 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 11/5. Fares are subject to change and may not be available on all flights or dates of travel.
— KEF
10 Jan — 17 Jan1
1 adult
1 adult, Economy, 0 bags

Flights to Keflavik Intl in 2025

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 11 December 2025.

Thu 28/523:40BKK - KEF
1 stop30h 40mออสเตรียนแอร์ไลน์
Fri 5/600:10KEF - BKK
1 stop31h 40mออสเตรียนแอร์ไลน์
Deal found 10/12฿25,579
Thu 28/523:40BKK - KEF
2 stops30h 50mMultiple Airlines
Fri 5/600:10KEF - BKK
1 stop31h 40mMultiple Airlines
Deal found 10/12฿26,562
Wed 1/412:35BKK - KEF
1 stop26h 45mสวิส อินเตอร์เนชั่นแนล แอร์ไลน์
Thu 30/409:05KEF - BKK
1 stop17h 40mสวิส อินเตอร์เนชั่นแนล แอร์ไลน์
Deal found 11/12฿27,322
Thu 28/523:40BKK - KEF
2 stops30h 50mลุฟท์ฮันซ่า
Fri 5/600:25KEF - BKK
2 stops30h 45mลุฟท์ฮันซ่า
Deal found 10/12฿28,590
Tue 24/310:10BKK - KEF
2 stops39h 15mMultiple Airlines
Tue 21/407:50KEF - BKK
1 stop15h 25mMultiple Airlines
Deal found 11/12฿28,844
Fri 29/523:40BKK - KEF
1 stop30h 40mMultiple Airlines
Fri 5/600:25KEF - BKK
2 stops30h 45mMultiple Airlines
Deal found 10/12฿28,844
Tue 10/202:55BKK - KEF
2 stops28h 00mMultiple Airlines
Tue 10/312:20KEF - BKK
1 stop39h 05mMultiple Airlines
Deal found 11/12฿29,763
Wed 25/308:15BKK - KEF
2 stops22h 40mMultiple Airlines
Wed 22/407:50KEF - BKK
2 stops22h 05mMultiple Airlines
Deal found 11/12฿30,080
Wed 18/315:30BKK - KEF
2 stops33h 30mMultiple Airlines
Wed 15/407:50KEF - BKK
1 stop15h 25mMultiple Airlines
Deal found 11/12฿30,112
Wed 18/309:30DMK - KEF
3 stops39h 30mMultiple Airlines
Wed 15/410:45KEF - DMK
3 stops32h 50mMultiple Airlines
Deal found 11/12฿31,158

Find flight deals to Keflavik Intl Airport

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 11 December 2025.

Return from

฿25,579

One-way from

฿12,647

Popular in

December

Cheapest in

November

Average price

฿41,554
ออสเตรียนแอร์ไลน์
  • ออสเตรียนแอร์ไลน์
  • 28/5-5/6
  • 2 total stops
  • 62h 20m total
  • Bangkok to Reykjavik
Search Deals
11/5
  • 11/5
  • 2 total stops
  • 28h 15m total
  • Bangkok to Reykjavik
Search Deals
Highest demand for flights based on searches. 3% potential increase in price (฿1,202 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (฿1,000 potential savings vs. average return price).
Search Deals
Average for return flights in December 2025
Search Deals

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 11 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

Thu 28/5

23:40-23:20

1 stop30h 40m

Reykjavik Keflavik Intl

Fri 5/6

00:10-14:50

1 stop31h 40m

฿25,579

BangkokReykjavik

BKK - KEF

BKKKEF

Bangkok Suvarnabhumi

Thu 28/5

23:40-23:30

2 stops30h 50m

Reykjavik Keflavik Intl

Fri 5/6

00:10-14:50

1 stop31h 40m

฿26,562

BangkokReykjavik

BKK - KEF

BKKKEF

Bangkok Suvarnabhumi

Wed 1/4

12:35-08:20

1 stop26h 45m

Reykjavik Keflavik Intl

Thu 30/4

09:05-09:45

1 stop17h 40m

฿27,322

BangkokReykjavik

BKK - KEF

BKKKEF

Bangkok Suvarnabhumi

Thu 28/5

23:40-23:30

2 stops30h 50m

Reykjavik Keflavik Intl

Fri 5/6

00:25-14:10

2 stops30h 45m

฿28,590

BangkokReykjavik

BKK - KEF

BKKKEF

Bangkok Suvarnabhumi

Tue 24/3

10:10-18:25

2 stops39h 15m

Reykjavik Keflavik Intl

Tue 21/4

07:50-06:15

1 stop15h 25m

฿28,844

BangkokReykjavik

BKK - KEF

BKKKEF

Bangkok Suvarnabhumi

Fri 29/5

23:40-23:20

1 stop30h 40m

Reykjavik Keflavik Intl

Fri 5/6

00:25-14:10

2 stops30h 45m

฿28,844

BangkokReykjavik

BKK - KEF

BKKKEF

Bangkok Suvarnabhumi

Tue 10/2

02:55-23:55

2 stops28h 00m

Reykjavik Keflavik Intl

Tue 10/3

12:20-10:25

1 stop39h 05m

฿29,763

BangkokReykjavik

BKK - KEF

BKKKEF

Bangkok Suvarnabhumi

Wed 25/3

08:15-23:55

2 stops22h 40m

Reykjavik Keflavik Intl

Wed 22/4

07:50-12:55

2 stops22h 05m

฿30,080

BangkokReykjavik

BKK - KEF

BKKKEF

Bangkok Suvarnabhumi

Wed 18/3

15:30-18:00

2 stops33h 30m

Reykjavik Keflavik Intl

Wed 15/4

07:50-06:15

1 stop15h 25m

฿30,112

BangkokReykjavik

DMK - KEF

DMKKEF

Bangkok Don Mueang Intl

Wed 18/3

09:30-18:00

3 stops39h 30m

Reykjavik Keflavik Intl

Wed 15/4

10:45-02:35

3 stops32h 50m

฿31,158

Flights are sorted by cheapest return flights first.

Deals found on 11/12

Showing 1-10 of 22 results
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2
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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 28 hours 27 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 ฿28,745

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 11 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

Boarding

7.6

Comfort

7.4

Food

6.7

Crew

8.1

Entertainment

6.9

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

Boarding

7.6

Comfort

7.4

Food

6.7

Crew

8.1

Entertainment

6.9

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 ฿2,965, while return flights cost around ฿10,542.

  • How much is a return flight to Keflavik Intl?

    A return flight to Keflavik Intl will typically cost around ฿10,965, however they can be found for as little as ฿10,542.

  • 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 (18 hours 55 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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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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