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Keflavik Intl

$465+ 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 9/9. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — KEF
Aug 18 — Aug 251
Tue 8/18
Tue 8/25
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 19, 2026.

This Icelandair deal was found by Cheapflights users on 7/18. 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.
Fri 10/233:25 pm
PWM
-
KEF
1 stop11h 00m
Multiple Airlines
Sun 10/255:00 pm
KEF
-
PWM
1 stop10h 55m
Multiple Airlines
Deal found 7/18$828
This lastminute.com deal was found by Cheapflights users on 7/18. 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/22:53 pm
PWM
-
KEF
2 stops38h 47m
Scandinavian Airlines
Wed 9/95:35 pm
KEF
-
PWM
2 stops34h 21m
Scandinavian Airlines
Deal found 7/18$855
This oojo deal was found by Cheapflights users on 7/18. 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.
Fri 10/236:04 am
PWM
-
KEF
2 stops22h 41m
Scandinavian Airlines
Sun 10/2511:35 am
KEF
-
PWM
2 stops40h 14m
Scandinavian Airlines
Deal found 7/18$862
This Air Canada deal was found by Cheapflights users on 7/14. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/257:57 am
PWM
-
KEF
2 stops20h 48m
Air Canada
Tue 9/2910:00 am
KEF
-
PWM
2 stops41h 28m
Air Canada
Deal found 7/14$867
This Expedia deal was found by Cheapflights users on 7/18. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/22:40 pm
PWM
-
KEF
1 stop14h 15m
Multiple Airlines
Wed 9/95:00 pm
KEF
-
PWM
1 stop10h 52m
Multiple Airlines
Deal found 7/18$899
This Air Canada deal was found by Cheapflights users on 7/18. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/156:00 am
PWM
-
KEF
2 stops21h 55m
Air Canada
Mon 10/1910:00 am
KEF
-
PWM
2 stops31h 51m
Air Canada
Deal found 7/18$909
This United Airlines deal was found by Cheapflights users on 7/16. 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 10/1510:43 am
PWM
-
KEF
2 stops17h 12m
United Airlines
Mon 10/1912:00 pm
KEF
-
PWM
1 stop13h 46m
United Airlines
Deal found 7/16$924
This Delta deal was found by Cheapflights users on 7/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/302:53 pm
PWM
-
KEF
1 stop14h 37m
Delta
Sun 9/611:25 am
KEF
-
PWM
1 stop17h 34m
Delta
Deal found 7/16$1,014
This United Airlines deal was found by Cheapflights users on 7/16. 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.
Sun 8/306:53 pm
PWM
-
KEF
1 stop8h 07m
United Airlines
Sun 9/610:00 am
KEF
-
PWM
2 stops15h 23m
United Airlines
Deal found 7/16$1,022

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 19, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$828
(Icelandair)

One-way from

$465
(United Airlines)
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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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 19, 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

Thu 10/15

10:43 am-7:55 am

2 stops17h 12m

Reykjavik Keflavik Intl

Mon 10/19

12:00 pm-9:46 pm

1 stop13h 46m

$924

PortlandReykjavik

PWM - KEF

PWMKEF

Portland

Sun 8/30

6:53 pm-7:00 am

1 stop8h 07m

Reykjavik Keflavik Intl

Sun 9/6

10:00 am-9:23 pm

2 stops15h 23m

$1,022
Quickest round-trip

PortlandReykjavik

PWM - KEF

PWMKEF

Portland

Thu 8/13

7:35 pm-8:30 am

1 stop8h 55m

Reykjavik Keflavik Intl

Wed 8/19

11:00 am-7:24 pm

2 stops12h 24m

$1,068

PortlandReykjavik

PWM - KEF

PWMKEF

Portland

Thu 8/13

7:35 pm-8:30 am

1 stop8h 55m

Reykjavik Keflavik Intl

Tue 8/18

11:30 am-11:32 pm

2 stops16h 02m

$1,068

PortlandReykjavik

PWM - KEF

PWMKEF

Portland

Sun 8/16

12:47 pm-7:40 am

1 stop14h 53m

Reykjavik Keflavik Intl

Sun 8/23

11:25 am-12:59 am

1 stop17h 34m

$1,296

PortlandReykjavik

PWM - KEF

PWMKEF

Portland

Fri 7/24

6:00 am-7:55 am

2 stops21h 55m

Reykjavik Keflavik Intl

Tue 7/28

9:15 am-1:25 pm

2 stops32h 10m

$1,581

PortlandReykjavik

PWM - KEF

PWMKEF

Portland

Thu 7/23

12:40 pm-7:40 am

1 stop15h 00m

Reykjavik Keflavik Intl

Mon 7/27

11:25 am-12:59 am

1 stop17h 34m

$1,597

PortlandReykjavik

PWM - KEF

PWMKEF

Portland

Fri 7/24

7:16 pm-8:30 am

1 stop9h 14m

Reykjavik Keflavik Intl

Tue 7/28

11:30 am-11:51 pm

1 stop16h 21m

$1,597

PortlandReykjavik

PWM - KEF

PWMKEF

Portland

Thu 7/23

3:16 pm-7:00 am

1 stop11h 44m

Reykjavik Keflavik Intl

Tue 7/28

12:00 pm-9:41 pm

1 stop13h 41m

$1,597
Cheapest one-way

PortlandReykjavik

PWM - KEF

PWMKEF

Portland

Wed 9/9

6:06 am-8:50 am

2 stops22h 44m

$465

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/16

Showing 1-10 of 13 resultsSorted by cheapest first
1
2
  • 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 $924, United Airlines can have you in Reykjavik Keflavik Intl Airport from Portland, Maine in 17h 12m. 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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