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Cheap flights from Reykjavik Keflavik Intl Airport to Southeast Asia from S$ 890

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 12-6. Fares are subject to change and may not be available on all flights or dates of travel.
KEF — BKK
5 May — 12 May1
1 adult

Cheap flight deals from Keflavik Intl to Southeast Asia

Keep the following information in mind while searching for Keflavik Intl to Southeast Asia flight deals. Data was last updated 30 April 2025.

Round-trip from

S$ 1,111

One-way from

S$ 890
Finnair
  • Finnair
  • 11-6-18-6
  • 2 total stops
  • 52h 35m total
  • Reykjavik to Southeast Asia
Search Deals
Turkish Airlines
  • Turkish Airlines
  • 12-6
  • 2 total stops
  • 26h 20m total
  • Reykjavik to Southeast Asia
Search Deals

Find flight deals from Keflavik Intl to Southeast Asia

Cheapest flights from Keflavik Intl to Southeast Asia
Explore the most affordable flight options available from Keflavik Intl to Southeast Asia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 30 April 2025.

Mon 1-909:40KEF - SIN
2 stops27h 20mMultiple Airlines
Wed 17-918:45SIN - KEF
2 stops29h 10mMultiple Airlines
Deal found 29-4S$ 1,162
Mon 1-908:45KEF - SIN
1 stop25h 40mFinnair
Wed 17-921:35SIN - KEF
1 stop26h 55mFinnair
Deal found 29-4S$ 1,268
Mon 1-918:20KEF - SIN
1 stop37h 10mKLM
Tue 16-900:40SIN - KEF
1 stop26h 20mKLM
Deal found 29-4S$ 1,528
Sun 31-800:25KEF - SIN
2 stops32h 15mLufthansa
Wed 17-910:55SIN - KEF
1 stop20h 40mLufthansa
Deal found 29-4S$ 1,833

Cheapflights Fare Finder

Customise your flight search to find flights from Keflavik Intl to Southeast Asia that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 200,618 searches. Data last updated 30 April 2025.
Use the filters below to find and compare flights from Reykjavik Keflavik Intl Airport to Southeast Asia that are best for you.

Fly from

Keflavik Intl

Fly to

Southeast Asia

Route

Depart

Return

Price

ReykjavikSingapore

KEF - SIN

KEFSIN

Reykjavik Keflavik Intl

Wed 11-6

08:45-18:25

1 stop25h 40m

Singapore Changi

Wed 18-6

21:35-16:30

1 stop26h 55m

S$ 1,111

ReykjavikSingapore

KEF - SIN

KEFSIN

Reykjavik Keflavik Intl

Mon 1-9

09:40-21:00

2 stops27h 20m

Singapore Changi

Wed 17-9

18:45-15:55

2 stops29h 10m

S$ 1,162

ReykjavikSingapore

KEF - SIN

KEFSIN

Reykjavik Keflavik Intl

Tue 10-6

01:15-16:40

1 stop31h 25m

Singapore Changi

Wed 18-6

10:55-23:35

1 stop20h 40m

S$ 1,461

ReykjavikSingapore

KEF - SIN

KEFSIN

Reykjavik Keflavik Intl

Thu 12-6

09:05-17:05

1 stop24h 00m

Singapore Changi

Thu 19-6

06:50-08:15

2 stops33h 25m

S$ 1,494

ReykjavikSingapore

KEF - SIN

KEFSIN

Reykjavik Keflavik Intl

Mon 1-9

18:20-15:30

1 stop37h 10m

Singapore Changi

Tue 16-9

00:40-19:00

1 stop26h 20m

S$ 1,528

ReykjavikSingapore

KEF - SIN

KEFSIN

Reykjavik Keflavik Intl

Thu 12-6

07:35-17:55

2 stops26h 20m

S$ 890

ReykjavikSingapore

KEF - SIN

KEFSIN

Reykjavik Keflavik Intl

Wed 11-6

01:10-09:00

2 stops23h 50m

S$ 917

ReykjavikSingapore

KEF - SIN

KEFSIN

Reykjavik Keflavik Intl

Wed 11-6

00:25-16:25

1 stop32h 00m

S$ 933

ReykjavikSingapore

KEF - SIN

KEFSIN

Reykjavik Keflavik Intl

Thu 12-6

17:15-18:25

1 stop17h 10m

S$ 947

Flights are sorted by cheapest return flights first.

Deals found on 28-4

Best time to book a flight from Keflavik Intl to Southeast Asia

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

Cheapflights Insights

Everything you need to know about your flight from Reykjavik Keflavik Intl Airport to Southeast Asia

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

Currently, January is the cheapest month in which you can book a flight from Reykjavik Keflavik Intl Airport to Southeast Asia (average of S$ 134). Flying from Reykjavik Keflavik Intl Airport to Southeast Asia in December is currently the most expensive (average of S$ 231). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Rainfall in Southeast Asia by month

Plan your trip to Southeast Asia by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Southeast Asia ranges from 10.0 - 320.0 inches per month. September is typically the wettest month, when rainfall can reach 320.0 mm. January is typically the driest time to visit Southeast Asia when rainfall is around 10.0 mm.

Temperature in Southeast Asia by month

Plan your trip to Southeast Asia by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Southeast Asia, use this chart to help with planning. For those seeking warmer temperatures, April is the ideal time of year to visit, when temperatures reach an average of 30.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 26.0 C).

Reviews of airlines servicing Southeast Asia

Get insights into the airlines that provide service to Southeast Asia. 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 Southeast Asia. Reviews last updated 30 April 2025.
KLM
7.8
Good
1,333 reviews
Check prices

Comfort

7.7

Crew

8.4

Food

7.2

Boarding

7.8

Entertainment

7.1

Overall

7.8

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.
KLM
7.8
Good
1,333 reviews
KLM
7.8
Good
1,333 reviews
Check prices

Comfort

7.7

Crew

8.4

Food

7.2

Boarding

7.8

Entertainment

7.1

Overall

7.8

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.
Finnair
7.6
Good
1,275 reviews
KLM
7.8
Good
1,333 reviews
Check prices

Comfort

7.7

Crew

8.4

Food

7.2

Boarding

7.8

Entertainment

7.1

Overall

7.8

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.
SWISS
7.5
Good
1,588 reviews
KLM
7.8
Good
1,333 reviews
Check prices

Comfort

7.7

Crew

8.4

Food

7.2

Boarding

7.8

Entertainment

7.1

Overall

7.8

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.
Turkish Airlines
7.3
Good
3,790 reviews
KLM
7.8
Good
1,333 reviews
Check prices

Comfort

7.7

Crew

8.4

Food

7.2

Boarding

7.8

Entertainment

7.1

Overall

7.8

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.
Lufthansa
6.7
Okay
7,046 reviews
KLM
7.8
Good
1,333 reviews
Check prices

Comfort

7.7

Crew

8.4

Food

7.2

Boarding

7.8

Entertainment

7.1

Overall

7.8

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.

Related info for your journey

Find useful and relevant information for your journey from Keflavik Intl to Southeast Asia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the cheapest airlines to fly from Reykjavik Keflavik Intl Airport to Southeast Asia one-way?

    S$ 890 is the cheapest one-way deal found within the past few days, from Turkish Airlines. You may also be able to find cheap deals on Lufthansa and Finnair, with prices starting from S$ 933 and S$ 947, respectively.

  • Can I find deals for flights from Keflavik Intl to Southeast Asia that include hotel bookings?

    Yes. In addition to deals on Keflavik Intl to Southeast Asia flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Keflavik Intl to Southeast Asia?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Keflavik Intl to Southeast Asia.

  • Can I find deals for business class flights from Keflavik Intl to Southeast Asia?

    Yes. Cheapflights offers flight deals from Keflavik Intl to Southeast Asia by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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

    Currently, January is the cheapest month in which you can book a flight from Reykjavik Keflavik Intl Airport to Southeast Asia (average of S$ 134). Flying from Reykjavik Keflavik Intl Airport to Southeast Asia in December is currently the most expensive (average of S$ 231). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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