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Keflavik Intl

$531+ Cheap flights from Portland, ME (PWM) to Keflavik Intl (KEF)

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 12/5. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — KEF
Dec 20 — Dec 271
Sat 12/20
Sat 12/27
1 adult, Economy
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Cheap 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 November 20, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$826
(Icelandair)

One-way from

$531
(Kiwi.com)
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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One-way flight from Portland to Reykjavik Keflavik Intl
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Find 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 November 20, 2025.

This Icelandair deal was found by Cheapflights users on 11/20. 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 12/812:45 pmPWM - KEF
1 stop12h 45mMultiple Airlines
Mon 12/155:00 pmKEF - PWM
1 stop10h 15mMultiple Airlines
Deal found 11/20$894
This Icelandair deal was found by Cheapflights users on 11/19. 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.
Thu 12/1811:50 amPWM - KEF
1 stop13h 40mMultiple Airlines
Sun 12/285:00 pmKEF - PWM
1 stop12h 05mMultiple Airlines
Deal found 11/19$1,906
This Justfly.com deal was found by Cheapflights users on 11/19. 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 12/82:34 pmPWM - KEF
2 stops15h 11mScandinavian Airlines
Mon 12/157:35 amKEF - PWM
2 stops21h 24mScandinavian Airlines
Deal found 11/19$2,404

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 November 20, 2025.
Use the filters below to find and compare flights from Portland to Reykjavik Keflavik Intl Airport that are best for you.

Fly from

Portland

Fly to

Keflavik Intl

Route

Depart

Return

Price

PortlandReykjavik

PWM - KEF

PWMKEF

Portland

Sun 1/11

6:00 am-11:20 pm

2 stops36h 20m

Reykjavik Keflavik Intl

Sat 1/17

11:25 am-12:20 am

2 stops41h 55m

$826

PortlandReykjavik

PWM - KEF

PWMKEF

Portland

Thu 1/8

12:45 pm-6:30 am

1 stop12h 45m

Reykjavik Keflavik Intl

Thu 1/15

5:00 pm-10:45 pm

1 stop10h 45m

$826

PortlandReykjavik

PWM - KEF

PWMKEF

Portland

Mon 3/9

12:35 pm-6:30 am

1 stop13h 55m

Reykjavik Keflavik Intl

Fri 3/13

5:00 pm-12:30 pm

1 stop23h 30m

$834

PortlandReykjavik

PWM - KEF

PWMKEF

Portland

Mon 2/23

3:55 pm-6:30 am

1 stop9h 35m

Reykjavik Keflavik Intl

Sat 2/28

5:00 pm-11:15 am

1 stop23h 15m

$834

PortlandReykjavik

PWM - KEF

PWMKEF

Portland

Sun 2/1

1:00 pm-6:30 am

1 stop12h 30m

Reykjavik Keflavik Intl

Fri 2/6

5:00 pm-10:45 pm

1 stop10h 45m

$846

PortlandReykjavik

PWM - KEF

PWMKEF

Portland

Tue 5/12

1:00 pm-9:25 am

1 stop16h 25m

Reykjavik Keflavik Intl

Sat 5/16

5:00 pm-4:50 pm

1 stop27h 50m

$846

PortlandReykjavik

PWM - KEF

PWMKEF

Portland

Sun 1/11

3:55 pm-6:30 am

1 stop9h 35m

Reykjavik Keflavik Intl

Sat 1/17

5:00 pm-10:00 pm

1 stop10h 00m

$846

PortlandReykjavik

PWM - KEF

PWMKEF

Portland

Mon 5/11

2:50 pm-6:25 am

1 stop11h 35m

Reykjavik Keflavik Intl

Sat 5/16

5:00 pm-4:50 pm

1 stop27h 50m

$866

PortlandReykjavik

PWM - KEF

PWMKEF

Portland

Mon 12/8

12:45 pm-6:30 am

1 stop12h 45m

Reykjavik Keflavik Intl

Mon 12/15

5:00 pm-10:15 pm

1 stop10h 15m

$894

PortlandReykjavik

PWM - KEF

PWMKEF

Portland

Fri 12/5

6:05 pm-6:15 am

2 stops31h 10m

$531

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/18

Showing 1-10 of 17 results
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Compare providers for flights from Portland to Keflavik Intl

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Portland to Keflavik Intl in November.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Portland, Maine-Reykjavik Keflavik Intl Airport flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Portland, Maine-Reykjavik Keflavik Intl Airport flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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.

Cheapflights Insights

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

What is the cheapest month to book a flight from Portland, Maine to Reykjavik Keflavik Intl Airport?

Currently, January is the cheapest month in which you can book a flight from Portland, Maine to Reykjavik Keflavik Intl Airport (average of $224). Flying from Portland, Maine to Reykjavik Keflavik Intl Airport in July is currently the most expensive (average of $362). 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 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 $826, Scandinavian Airlines can have you in Reykjavik Keflavik Intl Airport from Portland, Maine in 36h 20m. 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.

  • What is the cheapest month to book a flight from Portland, Maine to Reykjavik Keflavik Intl Airport?

    Currently, January is the cheapest month in which you can book a flight from Portland, Maine to Reykjavik Keflavik Intl Airport (average of $224). Flying from Portland, Maine to Reykjavik Keflavik Intl Airport in July is currently the most expensive (average of $362). 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

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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