฿20,134+ 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 13/6. 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
29 May — 5 Jun1
1 adult
1 adult, Economy, 0 bags

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 29 April 2026. In the last 7 days, Cheapflights users made a total of 17,341 searches

Fly to

Route

Depart

Return

Price

Cheapest return flight

ReykjavikBangkok

KEF - BKK

KEFBKK

Reykjavik Keflavik Intl

Sun 27/9

19:15-09:30

1 stop31h 15m

Bangkok Suvarnabhumi

Sat 10/10

12:05-18:15

1 stop37h 10m

฿31,630

ReykjavikPhuket City

KEF - HKT

KEFHKT

Reykjavik Keflavik Intl

Thu 28/5

01:10-07:35

2 stops23h 25m

Phuket City

Wed 3/6

03:20-08:45

2 stops36h 25m

฿35,755

ReykjavikBangkok

KEF - BKK

KEFBKK

Reykjavik Keflavik Intl

Sun 7/6

07:40-12:10

2 stops21h 30m

Bangkok Suvarnabhumi

Sun 21/6

09:45-08:45

2 stops30h 00m

฿36,014

ReykjavikBangkok

KEF - BKK

KEFBKK

Reykjavik Keflavik Intl

Sat 13/6

17:10-13:45

2 stops37h 35m

Bangkok Suvarnabhumi

Sat 20/6

20:00-15:20

2 stops26h 20m

฿37,963

ReykjavikBangkok

KEF - BKK

KEFBKK

Reykjavik Keflavik Intl

Tue 8/9

08:35-05:30

1 stop37h 55m

Bangkok Suvarnabhumi

Tue 29/9

07:05-07:50

1 stop31h 45m

฿40,236
Fastest return journey

ReykjavikBangkok

KEF - BKK

KEFBKK

Reykjavik Keflavik Intl

Fri 18/9

08:35-13:25

2 stops21h 50m

Bangkok Suvarnabhumi

Wed 4/11

02:00-17:15

2 stops22h 15m

฿41,145

ReykjavikBangkok

KEF - BKK

KEFBKK

Reykjavik Keflavik Intl

Tue 15/9

07:40-13:30

2 stops22h 50m

Bangkok Suvarnabhumi

Mon 2/11

02:55-23:55

2 stops28h 00m

฿42,704

ReykjavikBangkok

KEF - BKK

KEFBKK

Reykjavik Keflavik Intl

Mon 28/9

07:40-12:30

2 stops21h 50m

Bangkok Suvarnabhumi

Tue 13/10

01:35-23:35

2 stops29h 00m

฿42,769

ReykjavikBangkok

KEF - BKK

KEFBKK

Reykjavik Keflavik Intl

Wed 30/9

07:40-18:25

2 stops27h 45m

Bangkok Suvarnabhumi

Thu 8/10

09:55-23:35

2 stops20h 40m

฿42,769

ReykjavikBangkok

KEF - BKK

KEFBKK

Reykjavik Keflavik Intl

Sun 24/5

08:35-05:30

1 stop37h 55m

Bangkok Suvarnabhumi

Mon 8/6

07:05-00:10

1 stop24h 05m

฿44,003

Flights are sorted by cheapest return flights first.

Deals found on 27/4

Showing 1-10 of 15 resultsSorted by cheapest first
1
2

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.

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

Currently, October is the cheapest month in which you can book a flight from Reykjavik Keflavik Intl Airport (average of ฿19,258). Flying from Reykjavik Keflavik Intl Airport in February will prove the most costly (average of ฿48,517). There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 29 April 2026.

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 29 April 2026.
  • 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, Amsterdam, Barcelona-El Prat Airport. While Copenhagen, Amsterdam, Oslo Gardermoen Airport 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 ฿12,690 to Billund (prices may vary depending on the airline and departure time). On average, users have booked flights for ฿13,114 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 October; 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!

See more FAQs

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!

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book With Flexibility

Our users can plan ahead with confidence and find flights with no change fees.

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.