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Cheap flights from Reykjavik Keflavik Intl Airport to Southeast Asia from S$ 486

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 11-4. Fares are subject to change and may not be available on all flights or dates of travel.
KEF — BKK
20 Mrz — 27 Mrz1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Keflavik Intl to Southeast Asia

Enter your travel dates to find the best prices.

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 18 Februar 2026.

Mi 1-420:00
KEF
-
SIN
3 stops35h 45m
Multiple Airlines
Mi 8-421:00
SIN
-
KEF
3 stops27h 15m
Multiple Airlines
Deal found 15-2S$ 1,402
Mi 1-407:30
KEF
-
SIN
1 stop27h 00m
Finnair
Mi 8-421:35
SIN
-
KEF
1 stop26h 05m
Finnair
Deal found 15-2S$ 1,599

Find 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 18 Februar 2026.

Round-trip from

S$ 1,402

One-way from

S$ 486

Popular in

July

Cheapest in

March

Average price

S$ 1,308
1-4-8-4
  • 1-4-8-4
  • 6 total stops
  • 63h 00m total
  • Reykjavik to Southeast Asia
Search Deals
11-4
  • 11-4
  • 2 total stops
  • 46h 35m total
  • Reykjavik to Southeast Asia
Search Deals
Highest demand for flights based on searches. 9% potential increase in price (S$ 175 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (S$ 52 potential savings vs. average return price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

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 18 Februar 2026.
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

Mi 1-4

07:40-15:45

2 stops24h 05m

Singapore Changi

Mi 8-4

21:00-15:25

2 stops26h 25m

S$ 1,408

ReykjavikSingapore

KEF - SIN

KEFSIN

Reykjavik Keflavik Intl

Mi 1-4

07:30-18:30

1 stop27h 00m

Singapore Changi

Mi 8-4

21:35-15:40

1 stop26h 05m

S$ 1,623

ReykjavikSingapore

KEF - SIN

KEFSIN

Reykjavik Keflavik Intl

Sa 11-4

18:35-01:10

2 stops46h 35m

S$ 486

ReykjavikSingapore

KEF - SIN

KEFSIN

Reykjavik Keflavik Intl

Mo 22-6

01:00-01:10

3 stops40h 10m

S$ 638

ReykjavikSingapore

KEF - SIN

KEFSIN

Reykjavik Keflavik Intl

Di 23-6

10:50-18:40

1 stop23h 50m

S$ 775

Flights are sorted by cheapest return flights first.

Deals found on 14-2

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
No data available for this route at this time. Please check back soon.

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.

  • 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.

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

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Southeast Asia from Keflavik Intl.

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

Need flexible booking options for your flight to Southeast Asia from Keflavik Intl? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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