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Cheap flights from Reykjavik Keflavik Intl Airport to Southeast Asia from S$ 808

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 26-6. Fares are subject to change and may not be available on all flights or dates of travel.
KEF — BKK
6 May — 13 May1
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 6 April 2026.

Mon 2-1107:35
KEF
-
SIN
2 stops42h 00m
Multiple Airlines
Fri 27-1120:00
SIN
-
KEF
2 stops30h 20m
Multiple Airlines
Deal found 3-4S$ 1,356
Sat 30-501:10
KEF
-
SIN
2 stops31h 20m
Multiple Airlines
Sun 28-623:55
SIN
-
KEF
2 stops40h 40m
Multiple Airlines
Deal found 2-4S$ 1,553
Fri 29-508:35
KEF
-
SIN
1 stop25h 55m
Finnair
Mon 29-621:35
SIN
-
KEF
1 stop26h 55m
Finnair
Deal found 2-4S$ 1,592
Mon 2-1107:30
KEF
-
SIN
1 stop27h 10m
Finnair
Thu 26-1101:25
SIN
-
KEF
2 stops39h 50m
Finnair
Deal found 3-4S$ 1,605
Wed 20-501:10
KEF
-
SIN
2 stops28h 55m
Emirates
Fri 26-610:35
SIN
-
KEF
2 stops21h 15m
Emirates
Deal found 2-4S$ 1,698
Thu 21-508:35
KEF
-
SIN
1 stop25h 55m
Finnair
Fri 26-621:35
SIN
-
KEF
1 stop18h 20m
Finnair
Deal found 2-4S$ 1,738
Thu 28-501:10
KEF
-
SIN
2 stops28h 55m
Multiple Airlines
Mon 29-610:35
SIN
-
KEF
2 stops39h 20m
Multiple Airlines
Deal found 2-4S$ 1,791

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 6 April 2026.

Round-trip from

S$ 1,553

One-way from

S$ 808

Popular in

March

Cheapest in

April

Average price

S$ 1,012
SWISS
  • SWISS
  • 30-5-28-6
  • 4 total stops
  • 72h 00m total
  • Reykjavik to Southeast Asia
Search Deals
26-6
  • 26-6
  • 2 total stops
  • 29h 45m total
  • Reykjavik to Southeast Asia
Search Deals
Highest demand for flights based on searches. 5% potential increase in price (S$ 111 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease (S$ 105 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 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 6 April 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

Fly to

Route

Depart

Return

Price

Cheapest return flight

ReykjavikSingapore

KEF - SIN

KEFSIN

Reykjavik Keflavik Intl

Fri 29-5

08:35-18:30

1 stop25h 55m

Singapore Changi

Mon 29-6

21:35-16:30

1 stop26h 55m

S$ 1,592
Fastest return journey

ReykjavikSingapore

KEF - SIN

KEFSIN

Reykjavik Keflavik Intl

Wed 20-5

01:10-14:05

2 stops28h 55m

Singapore Changi

Fri 26-6

10:35-23:50

2 stops21h 15m

S$ 1,698

ReykjavikSingapore

KEF - SIN

KEFSIN

Reykjavik Keflavik Intl

Sat 30-5

01:10-16:35

1 stop31h 25m

Singapore Changi

Sun 28-6

23:55-08:35

2 stops40h 40m

S$ 1,751

ReykjavikSingapore

KEF - SIN

KEFSIN

Reykjavik Keflavik Intl

Wed 20-5

01:10-18:30

2 stops33h 20m

Singapore Changi

Fri 26-6

21:35-00:10

1 stop34h 35m

S$ 1,807
Cheapest one-way

ReykjavikSingapore

KEF - SIN

KEFSIN

Reykjavik Keflavik Intl

Fri 26-6

19:55-09:40

2 stops29h 45m

S$ 808
Fastest single journey

ReykjavikSingapore

KEF - SIN

KEFSIN

Reykjavik Keflavik Intl

Thu 25-6

01:10-06:40

1 stop21h 30m

S$ 1,396

Flights are sorted by cheapest return flights first.

Deals found on 5-4

Sorted by cheapest first

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, October is the cheapest month in which you can book a flight from Reykjavik Keflavik Intl Airport to Southeast Asia (average of S$ 711). Flying from Reykjavik Keflavik Intl Airport to Southeast Asia in February is currently the most expensive (average of S$ 1,560). 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.

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.

  • How long is the flight from Reykjavik Keflavik Intl Airport to Southeast Asia?

    Finnair and Emirates can get you from Reykjavik Keflavik Intl Airport to Southeast Asia in just under 25h 55m. Your travel time can differ by up to 3h. Airlines will cover a distance of 11545 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • 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, October is the cheapest month in which you can book a flight from Reykjavik Keflavik Intl Airport to Southeast Asia (average of S$ 711). Flying from Reykjavik Keflavik Intl Airport to Southeast Asia in February is currently the most expensive (average of S$ 1,560). 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.

See more FAQs

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Deals for Keflavik Intl to Southeast Asia flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

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.

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

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

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