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Cheap flights from Reykjavik Keflavik Intl Airport to Southeast Asia from S$ 491

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 26-10. Fares are subject to change and may not be available on all flights or dates of travel.
KEF — BKK
26 Aug — 2 Sep1
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 21 August 2025.

Round-trip from

S$ 1,253

One-way from

S$ 491

Popular in

July

Cheapest in

September
3-10-10-10
  • 3-10-10-10
  • 4 total stops
  • 89h 40m total
  • Reykjavik to Southeast Asia
Search Deals
26-10
  • 26-10
  • 3 total stops
  • 57h 05m total
  • Reykjavik to Southeast Asia
Search Deals
Highest demand for flights based on searches. 9% potential increase in price (S$ 177 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (S$ 43 potential savings vs. average return price).
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 21 August 2025.

Fri 3-1007:35KEF - SIN
2 stops29h 25mMultiple Airlines
Fri 10-1010:30SIN - KEF
2 stops60h 15mMultiple Airlines
Deal found 19-8S$ 1,253
Fri 3-1007:40KEF - SIN
2 stops26h 45mFinnair
Fri 10-1021:35SIN - KEF
1 stop18h 25mFinnair
Deal found 19-8S$ 1,400

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 21 August 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

Fri 3-10

07:35-21:00

2 stops29h 25m

Singapore Changi

Fri 10-10

10:30-14:45

2 stops60h 15m

S$ 1,253

ReykjavikSingapore

KEF - SIN

KEFSIN

Reykjavik Keflavik Intl

Sun 18-1

07:40-08:45

2 stops41h 05m

Singapore Changi

Thu 22-1

23:25-15:20

2 stops47h 55m

S$ 1,313

ReykjavikSingapore

KEF - SIN

KEFSIN

Reykjavik Keflavik Intl

Fri 3-10

07:40-18:25

2 stops26h 45m

Singapore Changi

Fri 10-10

21:35-08:00

1 stop18h 25m

S$ 1,400

ReykjavikSingapore

KEF - SIN

KEFSIN

Reykjavik Keflavik Intl

Sun 26-10

20:15-13:20

3 stops57h 05m

S$ 491

ReykjavikSingapore

KEF - SIN

KEFSIN

Reykjavik Keflavik Intl

Tue 2-9

18:55-04:50

2 stops49h 55m

S$ 568

ReykjavikSingapore

KEF - SIN

KEFSIN

Reykjavik Keflavik Intl

Sun 26-10

11:50-15:55

1 stop20h 05m

S$ 767

ReykjavikSingapore

KEF - SIN

KEFSIN

Reykjavik Keflavik Intl

Tue 2-9

17:15-18:25

1 stop17h 10m

S$ 950

ReykjavikSingapore

KEF - SIN

KEFSIN

Reykjavik Keflavik Intl

Sat 25-10

01:25-06:50

1 stop21h 25m

S$ 1,666

Flights are sorted by cheapest return flights first.

Deals found on 20-8

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$ 239). 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?

    Turkish Airlines can get you from Reykjavik Keflavik Intl Airport to Southeast Asia in just under 41h 05m. Your travel time can differ by up to . Airlines will cover a distance of 11545 km.

  • 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$ 239). 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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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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