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Keflavik Intl

$702+ Cheap flights from Portland, ME (PWM) to Keflavik Intl (KEF)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/17. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — KEF
Aug 25 — Sep 11
Tue 8/25
Tue 9/1
1 adult, Economy
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Cheap flight deals from Portland to Keflavik Intl

Cheapest flights from Portland to Keflavik Intl
Explore the most affordable flight options available from Portland to Keflavik Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 26, 2026.

This oojo deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/176:00 am
PWM
-
KEF
1 stop22h 55m
Icelandair
Mon 9/215:00 pm
KEF
-
PWM
1 stop10h 54m
Icelandair
Deal found 7/25$702
This Icelandair deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/11:20 pm
PWM
-
KEF
1 stop15h 35m
Multiple Airlines
Sat 9/55:00 pm
KEF
-
PWM
1 stop22h 15m
Multiple Airlines
Deal found 7/24$800
This oojo deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/226:00 am
PWM
-
KEF
1 stop22h 55m
Icelandair
Mon 10/264:50 pm
KEF
-
PWM
1 stop10h 53m
Icelandair
Deal found 7/21$819
This FlightHub deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/96:02 am
PWM
-
KEF
2 stops45h 03m
Scandinavian Airlines
Sun 9/135:05 pm
KEF
-
PWM
2 stops34h 51m
Scandinavian Airlines
Deal found 7/22$858
This oojo deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/166:00 am
PWM
-
KEF
1 stop22h 55m
Icelandair
Fri 8/215:00 pm
KEF
-
PWM
1 stop11h 25m
Icelandair
Deal found 7/22$862
This Justfly.com deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/286:00 am
PWM
-
KEF
2 stops45h 55m
Air Canada
Sun 10/49:15 am
KEF
-
PWM
2 stops39h 07m
Air Canada
Deal found 7/21$884
This Justfly.com deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/286:00 am
PWM
-
KEF
1 stop22h 55m
Multiple Airlines
Sun 10/45:00 pm
KEF
-
PWM
1 stop10h 52m
Multiple Airlines
Deal found 7/21$906
This United Airlines deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/158:03 am
PWM
-
KEF
2 stops19h 52m
United Airlines
Mon 10/1910:00 am
KEF
-
PWM
2 stops31h 51m
United Airlines
Deal found 7/23$914
This Icelandair deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/242:40 pm
PWM
-
KEF
1 stop11h 40m
Multiple Airlines
Sun 8/307:50 pm
KEF
-
PWM
1 stop18h 00m
Multiple Airlines
Deal found 7/21$928

Find flight deals from Portland to Keflavik Intl

Discover tips and strategies to find the most affordable flight options for your journey from Portland (PWM) to Keflavik Intl (KEF). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated July 26, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$702
(oojo)
Provider with most accurate pricing for Portland-Reykjavik Keflavik Intl flight deals.
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Provider most trusted by Cheapflights users for Portland-Reykjavik Keflavik Intl flights.
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From Portland to Reykjavik Keflavik Intl
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Portland to Keflavik Intl 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 2,558,603 searches. Data last updated July 26, 2026.
Use the filters below to find and compare flights from Portland to Reykjavik Keflavik Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortlandReykjavik

PWM - KEF

PWMKEF

Portland

Tue 9/1

1:20 pm-8:55 am

1 stop15h 35m

Reykjavik Keflavik Intl

Sat 9/5

5:00 pm-11:15 am

1 stop22h 15m

$800

PortlandReykjavik

PWM - KEF

PWMKEF

Portland

Thu 8/20

1:05 pm-9:10 am

1 stop16h 05m

Reykjavik Keflavik Intl

Thu 8/27

7:50 pm-9:50 am

1 stop18h 00m

$862

PortlandReykjavik

PWM - KEF

PWMKEF

Portland

Thu 10/15

9:50 am-7:55 am

2 stops18h 05m

Reykjavik Keflavik Intl

Mon 10/19

10:00 am-2:38 pm

2 stops32h 38m

$914

PortlandReykjavik

PWM - KEF

PWMKEF

Portland

Mon 8/24

2:40 pm-6:20 am

1 stop11h 40m

Reykjavik Keflavik Intl

Sun 8/30

7:50 pm-9:50 am

1 stop18h 00m

$928

PortlandReykjavik

PWM - KEF

PWMKEF

Portland

Thu 10/22

10:43 am-7:55 am

2 stops17h 12m

Reykjavik Keflavik Intl

Mon 10/26

12:00 pm-9:15 pm

1 stop13h 15m

$930
Quickest round-trip

PortlandReykjavik

PWM - KEF

PWMKEF

Portland

Wed 9/9

10:30 am-6:25 am

1 stop15h 55m

Reykjavik Keflavik Intl

Sun 9/13

5:00 pm-10:55 pm

1 stop9h 55m

$931

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/24

Sorted by cheapest first
  • Most accurate provider: When it comes to deals on Portland, Maine-Reykjavik Keflavik Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Portland, Maine-Reykjavik Keflavik Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Portland, Maine-Reykjavik Keflavik Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Portland, Maine-Reykjavik Keflavik Intl Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Portland, Maine-Reykjavik Keflavik Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Portland to Keflavik Intl

Have a flexible travel schedule? Discover the best time to fly to Keflavik Intl from Portland with our price prediction graph.
Estimated round-trip 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.

Related info for your journey

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

  • What airport do you fly from for flights from Portland to Reykjavik Keflavik Intl?

    Located just 2.9 mi from the city center, Portland is the airport most travelers will use when flying to Reykjavik Keflavik Intl from Portland. Booking flights from Portland (PWM) to Reykjavik Keflavik Intl should be relatively easy as there are 0 daily outbound flights to Reykjavik Keflavik Intl from 0 different airlines.

  • How long is the flight from Portland, Maine to Reykjavik Keflavik Intl Airport?

    For as low as $914, United Airlines can have you in Reykjavik Keflavik Intl Airport from Portland, Maine in 18h 05m. Airlines will cover a distance of 2313 mi.

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

    Yes. In addition to deals on Portland to Keflavik Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

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

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

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

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

See more FAQs

Traveling to a place near Reykjavik Keflavik Intl Airport?

Book flights to Reykjavik Keflavik Intl Airport if you plan to visit one of these locations
Keflavik
Hveragerdi

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