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Keflavik Intl

$457+ 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 9/5. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — KEF
Jul 31 — Aug 71
Fri 7/31
Fri 8/7
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 1, 2026.

This oojo deal was found by Cheapflights users on 7/1. 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.
Mon 8/36:00 am
PWM
-
KEF
1 stop22h 55m
Icelandair
Sun 8/95:00 pm
KEF
-
PWM
1 stop23h 30m
Icelandair
Deal found 7/1$823
This oojo deal was found by Cheapflights users on 6/29. 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 9/11:20 pm
PWM
-
KEF
1 stop13h 00m
Icelandair
Tue 9/85:00 pm
KEF
-
PWM
1 stop11h 10m
Icelandair
Deal found 6/29$831
This Orbitz deal was found by Cheapflights users on 6/29. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/11:20 pm
PWM
-
KEF
1 stop13h 00m
Multiple Airlines
Tue 9/87:55 pm
KEF
-
PWM
2 stops31h 57m
Multiple Airlines
Deal found 6/29$909
This Icelandair deal was found by Cheapflights users on 6/26. 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.
Sat 8/222:40 pm
PWM
-
KEF
1 stop14h 15m
Multiple Airlines
Sat 8/295:00 pm
KEF
-
PWM
1 stop23h 45m
Multiple Airlines
Deal found 6/26$914
This Ovago deal was found by Cheapflights users on 6/26. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/176:00 am
PWM
-
KEF
1 stop20h 20m
Multiple Airlines
Mon 8/247:50 pm
KEF
-
PWM
1 stop20h 40m
Multiple Airlines
Deal found 6/26$934
This Expedia deal was found by Cheapflights users on 6/26. 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.
Fri 7/242:40 pm
PWM
-
KEF
2 stops35h 25m
Multiple Airlines
Fri 7/315:00 pm
KEF
-
PWM
1 stop11h 21m
Multiple Airlines
Deal found 6/26$937
This Icelandair deal was found by Cheapflights users on 6/29. 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.
Thu 9/32:40 pm
PWM
-
KEF
1 stop14h 15m
Multiple Airlines
Sun 9/67:50 pm
KEF
-
PWM
1 stop18h 00m
Multiple Airlines
Deal found 6/29$940
This oojo deal was found by Cheapflights users on 6/26. 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 9/32:40 pm
PWM
-
KEF
1 stop14h 15m
Icelandair
Sat 9/195:00 pm
KEF
-
PWM
1 stop10h 52m
Icelandair
Deal found 6/26$949
This FlightHub deal was found by Cheapflights users on 6/26. 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.
Thu 9/36:00 am
PWM
-
KEF
2 stops31h 00m
Scandinavian Airlines
Sat 9/196:35 pm
KEF
-
PWM
2 stops33h 21m
Scandinavian Airlines
Deal found 6/26$968
This Orbitz deal was found by Cheapflights users on 6/29. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/16:53 pm
PWM
-
KEF
2 stops33h 02m
Air Canada
Tue 9/810:00 am
KEF
-
PWM
2 stops31h 55m
Air Canada
Deal found 6/29$970

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 1, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$823
(oojo)

One-way from

$457
(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 July 1, 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

Mon 8/3

6:00 am-8:55 am

1 stop22h 55m

Reykjavik Keflavik Intl

Sun 8/9

5:00 pm-12:30 pm

1 stop23h 30m

$823

PortlandReykjavik

PWM - KEF

PWMKEF

Portland

Tue 9/1

1:20 pm-6:20 am

1 stop13h 00m

Reykjavik Keflavik Intl

Tue 9/8

5:00 pm-12:10 am

1 stop11h 10m

$831

PortlandReykjavik

PWM - KEF

PWMKEF

Portland

Thu 9/3

2:40 pm-8:55 am

1 stop14h 15m

Reykjavik Keflavik Intl

Sun 9/6

7:50 pm-9:50 am

1 stop18h 00m

$940

PortlandReykjavik

PWM - KEF

PWMKEF

Portland

Thu 9/3

6:00 am-5:00 pm

2 stops31h 00m

Reykjavik Keflavik Intl

Sat 9/19

6:35 pm-11:56 pm

2 stops33h 21m

$968

PortlandReykjavik

PWM - KEF

PWMKEF

Portland

Tue 9/1

9:49 am-8:45 am

3 stops18h 56m

Reykjavik Keflavik Intl

Tue 9/8

10:00 am-6:29 pm

2 stops36h 29m

$985

PortlandReykjavik

PWM - KEF

PWMKEF

Portland

Sat 9/12

6:02 am-9:50 am

2 stops23h 48m

Reykjavik Keflavik Intl

Wed 9/16

11:15 am-11:56 pm

2 stops40h 41m

$986

PortlandReykjavik

PWM - KEF

PWMKEF

Portland

Fri 9/4

6:00 am-9:40 am

2 stops47h 40m

Reykjavik Keflavik Intl

Tue 9/8

11:15 am-11:56 pm

2 stops40h 41m

$998

PortlandReykjavik

PWM - KEF

PWMKEF

Portland

Mon 8/3

6:00 am-8:55 am

1 stop22h 55m

Reykjavik Keflavik Intl

Sun 8/9

7:55 pm-12:30 pm

2 stops20h 35m

$1,035

PortlandReykjavik

PWM - KEF

PWMKEF

Portland

Mon 8/17

5:03 pm-8:50 am

1 stop11h 47m

Reykjavik Keflavik Intl

Mon 8/24

9:15 am-1:55 pm

2 stops32h 40m

$1,043

PortlandReykjavik

PWM - KEF

PWMKEF

Portland

Mon 8/17

6:03 am-7:55 am

2 stops21h 52m

Reykjavik Keflavik Intl

Mon 8/24

9:15 am-1:55 pm

2 stops32h 40m

$1,046

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/30

Showing 1-10 of 16 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 $823, Icelandair can have you in Reykjavik Keflavik Intl Airport from Portland, Maine in 22h 55m. 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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