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Keflavik Intl

$523+ 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 9/4. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — KEF
Sep 2 — Sep 91
Wed 9/2
Wed 9/9
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 August 3, 2026.

This oojo deal was found by Cheapflights users on 7/29. 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.
Mon 9/286:00 am
PWM
-
KEF
1 stop22h 55m
Icelandair
Mon 10/55:00 pm
KEF
-
PWM
1 stop10h 54m
Icelandair
Deal found 7/29$690
This oojo deal was found by Cheapflights users on 8/1. 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
Wed 9/235:00 pm
KEF
-
PWM
1 stop10h 54m
Icelandair
Deal found 8/1$704
This oojo deal was found by Cheapflights users on 7/30. 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.
Sat 10/106:00 am
PWM
-
KEF
1 stop20h 20m
Icelandair
Wed 10/145:00 pm
KEF
-
PWM
1 stop10h 52m
Icelandair
Deal found 7/30$768
This Icelandair deal was found by Cheapflights users on 7/31. 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 10/295:30 pm
PWM
-
KEF
1 stop9h 00m
Multiple Airlines
Tue 11/34:50 pm
KEF
-
PWM
1 stop11h 53m
Multiple Airlines
Deal found 7/31$772
This Expedia deal was found by Cheapflights users on 7/29. 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.
Mon 9/286:00 am
PWM
-
KEF
2 stops22h 45m
Air Canada
Mon 10/510:00 am
KEF
-
PWM
2 stops31h 51m
Air Canada
Deal found 7/29$811
This Icelandair deal was found by Cheapflights users on 7/29. 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 11/103:30 pm
PWM
-
KEF
1 stop10h 00m
Multiple Airlines
Sun 11/155:00 pm
KEF
-
PWM
1 stop21h 55m
Multiple Airlines
Deal found 7/29$836
This United Airlines deal was found by Cheapflights users on 7/29. 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.
Mon 9/286:00 am
PWM
-
KEF
2 stops22h 45m
United Airlines
Mon 10/512:00 pm
KEF
-
PWM
1 stop13h 46m
United Airlines
Deal found 7/29$839
This United Airlines deal was found by Cheapflights users on 7/29. 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.
Fri 10/165:08 pm
PWM
-
KEF
1 stop11h 42m
United Airlines
Tue 10/2010:00 am
KEF
-
PWM
2 stops32h 38m
United Airlines
Deal found 7/29$846
This Air Canada deal was found by Cheapflights users on 7/29. 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 10/168:03 am
PWM
-
KEF
2 stops20h 42m
Air Canada
Tue 10/2010:00 am
KEF
-
PWM
2 stops38h 22m
Air Canada
Deal found 7/29$854
This oojo deal was found by Cheapflights users on 7/29. 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.
Tue 9/81:20 pm
PWM
-
KEF
1 stop15h 35m
Icelandair
Tue 9/155:00 pm
KEF
-
PWM
1 stop10h 54m
Icelandair
Deal found 7/29$872
This Travelocity deal was found by Cheapflights users on 7/29. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/166:00 am
PWM
-
KEF
2 stops22h 45m
Air Canada
Mon 10/1910:00 am
KEF
-
PWM
2 stops31h 51m
Air Canada
Deal found 7/29$902
This United Airlines deal was found by Cheapflights users on 7/29. 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.
Fri 10/165:08 pm
PWM
-
KEF
1 stop11h 42m
United Airlines
Mon 10/1910:00 am
KEF
-
PWM
2 stops31h 51m
United Airlines
Deal found 7/29$906

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 August 3, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$690
(oojo)

One-way from

$523
(Expedia)
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 August 3, 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 9/17

6:00 am-8:55 am

1 stop22h 55m

Reykjavik Keflavik Intl

Wed 9/23

5:00 pm-11:54 pm

1 stop10h 54m

$704
Quickest round-trip

PortlandReykjavik

PWM - KEF

PWMKEF

Portland

Thu 10/29

5:30 pm-6:30 am

1 stop9h 00m

Reykjavik Keflavik Intl

Tue 11/3

4:50 pm-11:43 pm

1 stop11h 53m

$772

PortlandReykjavik

PWM - KEF

PWMKEF

Portland

Tue 11/10

3:30 pm-6:30 am

1 stop10h 00m

Reykjavik Keflavik Intl

Sun 11/15

5:00 pm-9:55 am

1 stop21h 55m

$836

PortlandReykjavik

PWM - KEF

PWMKEF

Portland

Tue 12/1

10:30 am-6:30 am

1 stop15h 00m

Reykjavik Keflavik Intl

Tue 12/8

5:00 pm-2:50 pm

1 stop26h 50m

$836

PortlandReykjavik

PWM - KEF

PWMKEF

Portland

Mon 9/28

6:00 am-8:45 am

2 stops22h 45m

Reykjavik Keflavik Intl

Mon 10/5

12:00 pm-9:46 pm

1 stop13h 46m

$839

PortlandReykjavik

PWM - KEF

PWMKEF

Portland

Fri 10/16

5:08 pm-8:50 am

1 stop11h 42m

Reykjavik Keflavik Intl

Tue 10/20

10:00 am-2:38 pm

2 stops32h 38m

$846

PortlandReykjavik

PWM - KEF

PWMKEF

Portland

Fri 10/16

4:15 pm-9:30 am

1 stop13h 15m

Reykjavik Keflavik Intl

Mon 10/19

11:25 am-12:10 am

1 stop16h 45m

$921

PortlandReykjavik

PWM - KEF

PWMKEF

Portland

Tue 9/8

4:57 pm-8:50 am

1 stop11h 53m

Reykjavik Keflavik Intl

Tue 9/15

10:00 am-2:31 pm

2 stops32h 31m

$983
Cheapest one-way
Quickest one-way

PortlandReykjavik

PWM - KEF

PWMKEF

Portland

Fri 9/4

10:45 am-7:00 am

1 stop16h 15m

$525

PortlandReykjavik

PWM - KEF

PWMKEF

Portland

Fri 9/4

10:45 am-7:55 am

3 stops17h 10m

$536

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/30

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 $839, Icelandair can have you in Reykjavik Keflavik Intl Airport from Portland, Maine in 22h 45m. Airlines will cover a distance of 2313 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • 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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