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฿13,949+ Cheap flights from Reykjavik Keflavik Intl Airport

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 28/11. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
KEF — BKK
7 Jul — 14 Jul1
1 adult

What to know about flights from Keflavik Intl

Discover essential information about flights departing from Keflavik Intl, including flight schedules, destinations, airlines operating at the Keflavik Intl airport, and any specific guidelines or requirements for travellers. Please note that the information is based on the most recent updates available. Data last updated 2 July 2025.

Good round-trip deal

฿5,075 or less

Good one-way deal

฿4,226 or less
Price to beat on a round-trip flight from Reykjavik Keflavik Intl.
Price to beat on a one-way flight from Reykjavik Keflavik Intl.

Find flights from Keflavik Intl

Cheapest flights from Keflavik Intl
Explore the most affordable flight options available from Keflavik Intl. Find the lowest fares based on data from user searches, with prices last updated on 2 July 2025.

Mon 10/1111:30KEF - BKK
1 stop36h 50mสแกนดอเนเวียนแอร์ไลน์
Wed 26/1109:05BKK - KEF
1 stop32h 40mสแกนดอเนเวียนแอร์ไลน์
Deal found 1/7฿20,501
Tue 16/909:25KEF - BKK
1 stop17h 20mสวิส อินเตอร์เนชั่นแนล แอร์ไลน์
Mon 6/1012:35BKK - KEF
1 stop33h 35mสวิส อินเตอร์เนชั่นแนล แอร์ไลน์
Deal found 1/7฿26,665
Sat 29/1115:10KEF - BKK
2 stops38h 10mลุฟท์ฮันซ่า
Wed 24/1223:30BKK - KEF
1 stop21h 45mลุฟท์ฮันซ่า
Deal found 1/7฿27,865
Sat 29/1111:50KEF - BKK
1 stop21h 20mบริติชแอร์เวย์
Wed 17/1217:05BKK - KEF
2 stops24h 40mบริติชแอร์เวย์
Deal found 1/7฿28,190
Wed 15/1007:30KEF - BKK
2 stops22h 55mMultiple Airlines
Fri 14/1107:35BKK - KEF
2 stops37h 35mMultiple Airlines
Deal found 29/6฿29,747
Mon 10/1107:35KEF - HKT
2 stops49h 55mMultiple Airlines
Wed 26/1122:35HKT - KEF
2 stops32h 20mMultiple Airlines
Deal found 1/7฿31,693
Sun 14/1207:50KEF - HKT
2 stops40h 45mเตอร์กิชแอร์ไลน์
Mon 29/1222:25HKT - KEF
2 stops48h 00mเตอร์กิชแอร์ไลน์
Deal found 2/7฿47,037
Wed 8/1010:30KEF - HKT
2 stops26h 30mEmirates
Sun 12/1023:55HKT - KEF
2 stops25h 00mEmirates
Deal found 1/7฿50,021
Sun 14/1207:30KEF - HKT
1 stop18h 30mFinnair
Mon 29/1210:45HKT - KEF
1 stop36h 10mFinnair
Deal found 30/6฿82,265

Find flights from Keflavik Intl within your budget

Find flights departing from Keflavik Intl that match your specified budget. Filter results by price range, allowing you to narrow down options and find flights that fit within your financial constraints. Please note that the search results are based on data from user searches, with fares last updated on 2 July 2025. In the last 7 days, Cheapflights users made a total of 17,341 searches

Fly to

Suvarnabhumi

Route

Depart

Return

Price

ReykjavikBangkok

KEF - BKK

KEFBKK

Reykjavik Keflavik Intl

Mon 10/11

11:30-07:20

1 stop36h 50m

Bangkok Suvarnabhumi

Wed 26/11

09:05-10:45

1 stop32h 40m

฿20,501

ReykjavikBangkok

KEF - BKK

KEFBKK

Reykjavik Keflavik Intl

Tue 16/9

09:25-09:45

1 stop17h 20m

Bangkok Suvarnabhumi

Mon 6/10

12:35-15:10

1 stop33h 35m

฿26,665

ReykjavikBangkok

KEF - BKK

KEFBKK

Reykjavik Keflavik Intl

Sat 29/11

15:10-12:20

2 stops38h 10m

Bangkok Suvarnabhumi

Wed 24/12

23:30-14:15

1 stop21h 45m

฿27,865

ReykjavikBangkok

KEF - BKK

KEFBKK

Reykjavik Keflavik Intl

Sat 29/11

11:50-16:10

1 stop21h 20m

Bangkok Suvarnabhumi

Wed 17/12

17:05-10:45

2 stops24h 40m

฿28,190

ReykjavikBangkok

KEF - BKK

KEFBKK

Reykjavik Keflavik Intl

Wed 15/10

07:30-13:25

2 stops22h 55m

Bangkok Suvarnabhumi

Fri 14/11

07:35-14:10

2 stops37h 35m

฿29,747

ReykjavikPhuket City

KEF - HKT

KEFHKT

Reykjavik Keflavik Intl

Mon 10/11

07:35-16:30

2 stops49h 55m

Phuket City

Wed 26/11

22:35-23:55

2 stops32h 20m

฿31,693

ReykjavikPhuket City

KEF - HKT

KEFHKT

Reykjavik Keflavik Intl

Sun 14/12

07:50-07:35

2 stops40h 45m

Phuket City

Mon 29/12

22:25-15:25

2 stops48h 00m

฿47,037

ReykjavikPhuket City

KEF - HKT

KEFHKT

Reykjavik Keflavik Intl

Wed 8/10

10:30-20:00

2 stops26h 30m

Phuket City

Sun 12/10

23:55-17:55

2 stops25h 00m

฿50,021

ReykjavikPhuket City

KEF - HKT

KEFHKT

Reykjavik Keflavik Intl

Sun 14/12

07:30-09:00

1 stop18h 30m

Phuket City

Mon 29/12

10:45-15:55

1 stop36h 10m

฿82,265

ReykjavikBangkok

KEF - BKK

KEFBKK

Reykjavik Keflavik Intl

Fri 28/11

20:20-02:35

3 stops47h 15m

฿13,949

Flights are sorted by cheapest return flights first.

Deals found on 1/7

Showing 1-10 of 11 results
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Best time to book a flight from Keflavik Intl

Have a flexible travel schedule? Discover the best time to fly from 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.

Travel insights for flights from Keflavik Intl

Get recent, data-driven insights about flights from Keflavik Intl including ideal travel times, pricing trends, and more.

When is the best time to book a flight from Reykjavik Keflavik Intl Airport?

Use this chart to determine the optimal time to book a return flight from Keflavik Intl to Suvarnabhumi. Price data was last updated on 27 June 2025.

Booking 65 days in advance of your planned departure date is, on average, the best time to get cheap flights from Reykjavik Keflavik Intl Airport. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Reykjavik Keflavik Intl Airport?

Currently, May is the cheapest month in which you can book a flight from Reykjavik Keflavik Intl Airport (average of ฿16,414). Flying from Reykjavik Keflavik Intl Airport in February will prove the most costly (average of ฿37,402). There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.

Airline reviews for flights from Keflavik Intl

Get insights into the airlines that provide service from 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 airline for your flight from Keflavik Intl. In the last 7 days, Cheapflights users made a total of 17,341 searches.
Read through reviews of airlines serving Reykjavik Keflavik Intl Airport, such as สวิส อินเตอร์เนชั่นแนล แอร์ไลน์, สแกนดอเนเวียนแอร์ไลน์, andลุฟท์ฮันซ่า. 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

7.1

Boarding

7.6

Overall

7.5

Crew

8.2

Entertainment

6.8

Comfort

7.4

Reviews

1 / 20
6.0
Good

Yvette,Nov 2024

ZRH - ATH

The website is difficult to navigate. You pay for everything. The carry on baggage policy is complicated. The food choices were poor and the seat was uncomfortable.

Food

7.1

Boarding

7.6

Overall

7.5

Crew

8.2

Entertainment

6.8

Comfort

7.4

Reviews

1 / 20
6.0
Good

Yvette,Nov 2024

ZRH - ATH

The website is difficult to navigate. You pay for everything. The carry on baggage policy is complicated. The food choices were poor and the seat was uncomfortable.

Food

7.1

Boarding

7.6

Overall

7.5

Crew

8.2

Entertainment

6.8

Comfort

7.4

Reviews

1 / 20
6.0
Good

Yvette,Nov 2024

ZRH - ATH

The website is difficult to navigate. You pay for everything. The carry on baggage policy is complicated. The food choices were poor and the seat was uncomfortable.

Food

7.1

Boarding

7.6

Overall

7.5

Crew

8.2

Entertainment

6.8

Comfort

7.4

Reviews

1 / 20
6.0
Good

Yvette,Nov 2024

ZRH - ATH

The website is difficult to navigate. You pay for everything. The carry on baggage policy is complicated. The food choices were poor and the seat was uncomfortable.

Food

7.1

Boarding

7.6

Overall

7.5

Crew

8.2

Entertainment

6.8

Comfort

7.4

Reviews

1 / 20
6.0
Good

Yvette,Nov 2024

ZRH - ATH

The website is difficult to navigate. You pay for everything. The carry on baggage policy is complicated. The food choices were poor and the seat was uncomfortable.

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Alternate flight departure points to Keflavik Intl

Consider leaving from one of these other departure points that are located a short distance from Keflavik Intl. Flight origins were last updated on 2 July 2025.

Related info for your journey

Access useful and relevant information related to your journey from Keflavik Intl. This can include details such as airport transportation, visa requirements, travel insurance, luggage regulations, and any other information that can ensure a smooth and hassle-free travel experience. Please note that the information is based on general guidance and may need to be verified with official sources. Data last updated 2 July 2025.
  • What are the most popular destinations to fly to from Reykjavik Keflavik Intl Airport?

    The most selected flight destinations from Reykjavik Keflavik Intl Airport for the current month are Copenhagen, Oslo Gardermoen Airport, London. While Copenhagen, Oslo Gardermoen Airport, London are the top choices made by travellers year-round.

  • What is the cheapest flight from Reykjavik Keflavik Intl Airport to anywhere?

    Users have flown out of Reykjavik Keflavik Intl Airport for as low as ฿3,885 to Paris Charles de Gaulle Airport (prices may vary depending on the airline and departure time). On average, users have booked flights for ฿15,018 to fly from Reykjavik Keflavik Intl Airport.

  • What is the cheapest month to fly from Reykjavik Keflavik Intl Airport?

    At the present moment the cheapest month to fly from Reykjavik Keflavik Intl Airport is currently May; with February being the most expensive. Prices will vary depending on multiple factors such as booking in advance, airline and departure airports and times.

  • How does Cheapflights help users find flights from Keflavik Intl?

    900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight from Keflavik Intl today with Cheapflights!

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

    Millions of users choose and trust Cheapflights to book the best flight deals from Keflavik Intl for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

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

    Certainly. Search results for flights from Keflavik Intl shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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

    Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and use a valid email address to enable the Price Alerts feature. That’s it!

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Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Keflavik Intl?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight from Keflavik Intl today with Cheapflights!

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

Millions of users choose and trust Cheapflights to book the best flight deals from Keflavik Intl for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

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

Certainly. Search results for flights from Keflavik Intl shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and use a valid email address to enable the Price Alerts feature. That’s it!

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