$816+ 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 1/18. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — KEF
Nov 9 — Nov 161
Round-trip
1 adult, Economy
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Find cheap flights from Portland to Keflavik Intl with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Portland to Keflavik Intl
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Best
Last-minute
Cheapest flights from Portland to Keflavik IntlExplore 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 October 10, 2026.
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 October 10, 2026.
This Icelandair deal was found by Cheapflights users on 10/6. 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 11/51:40 pm -
1 stop11h 50m
Thu 11/125:00 pm -
1 stop11h 55m
Deal found 10/6![Multiple Airlines logo]()
$919
This KAYAK deal was found by Cheapflights users on 10/10. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/45:08 pm -
1 stop11h 52m
Sun 11/83:20 pm -
2 stops35h 31m
Deal found 10/10![Lufthansa logo]()
$923
This KAYAK deal was found by Cheapflights users on 10/6. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/255:08 pm -
1 stop11h 52m
Tue 12/13:20 pm -
2 stops34h 22m
Deal found 10/6![Lufthansa logo]()
$936
This BusinessClass deal was found by Cheapflights users on 10/6. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/52:05 pm -
2 stops19h 20m
Thu 11/1212:00 pm -
2 stops16h 21m
Deal found 10/6![Lufthansa logo]()
$968
This KAYAK deal was found by Cheapflights users on 10/6. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/262:05 pm -
2 stops19h 20m
Tue 12/13:20 pm -
2 stops34h 22m
Deal found 10/6![Lufthansa logo]()
$997
This Ovago deal was found by Cheapflights users on 10/6. 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.
Wed 11/2511:07 am -
2 stops21h 43m
Tue 12/111:55 am -
2 stops35h 19m
Deal found 10/6![British Airways logo]()
$1,014
This Ovago deal was found by Cheapflights users on 10/7. 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.
Thu 10/297:30 pm -
2 stops34h 30m
Sun 11/13:20 pm -
2 stops35h 31m
Deal found 10/7![Multiple Airlines logo]()
$1,125
This Icelandair deal was found by Cheapflights users on 10/6. 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.
Wed 11/2510:25 am -
1 stop15h 05m
Tue 12/15:00 pm -
1 stop9h 50m
Deal found 10/6![Multiple Airlines logo]()
$1,139
This United Airlines deal was found by Cheapflights users on 10/7. 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 11/52:05 pm -
2 stops38h 55m
Thu 11/1212:00 pm -
1 stop14h 51m
Deal found 10/7![United Airlines logo]()
$1,262
Best flights from Portland to Keflavik IntlDiscover carefully curated flight deals from Portland to Keflavik Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 10, 2026.
Discover carefully curated flight deals from Portland to Keflavik Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 10, 2026.
This Scandinavian Airlines deal was found by Cheapflights users on 10/8. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/182:35 pm -
2 stops15h 15m
Thu 2/46:05 pm -
2 stops34h 44m
Deal found 10/8![Scandinavian Airlines logo]()
$816
This Icelandair deal was found by Cheapflights users on 10/8. 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.
Wed 1/203:25 pm -
1 stop10h 05m
Wed 2/35:00 pm -
1 stop9h 40m
Deal found 10/8![Multiple Airlines logo]()
$829
This KAYAK deal was found by Cheapflights users on 10/10. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/45:08 pm -
1 stop11h 52m
Sun 11/83:20 pm -
2 stops35h 31m
Deal found 10/10![Lufthansa logo]()
$923
This United Airlines deal was found by Cheapflights users on 10/7. 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 11/52:05 pm -
2 stops38h 55m
Thu 11/1212:00 pm -
1 stop14h 51m
Deal found 10/7![United Airlines logo]()
$1,262
This KLM deal was found by Cheapflights users on 10/7. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/204:15 pm -
1 stop13h 15m
Fri 10/2311:25 am -
1 stop16h 45m
Deal found 10/7![KLM logo]()
$1,397
This Icelandair deal was found by Cheapflights users on 10/6. 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 11/51:40 pm -
1 stop11h 50m
Thu 11/125:00 pm -
1 stop11h 55m
Deal found 10/6![Multiple Airlines logo]()
$919
This Scandinavian Airlines deal was found by Cheapflights users on 10/8. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/222:35 pm -
2 stops15h 15m
Mon 2/111:35 am -
2 stops41h 14m
Deal found 10/8![Scandinavian Airlines logo]()
$936
This Scandinavian Airlines deal was found by Cheapflights users on 10/8. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/182:35 pm -
2 stops15h 15m
Mon 2/111:35 am -
2 stops41h 14m
Deal found 10/8![Scandinavian Airlines logo]()
$936
This Icelandair deal was found by Cheapflights users on 10/6. 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 11/2611:15 am -
1 stop14h 15m
Tue 12/15:00 pm -
1 stop9h 50m
Deal found 10/6![Multiple Airlines logo]()
$1,139
This Icelandair deal was found by Cheapflights users on 10/6. 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.
Wed 11/2510:25 am -
1 stop15h 05m
Tue 12/15:00 pm -
1 stop9h 50m
Deal found 10/6![Multiple Airlines logo]()
$1,139
This Icelandair deal was found by Cheapflights users on 10/7. 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 10/293:25 pm -
1 stop11h 05m
Sun 11/15:00 pm -
1 stop11h 50m
Deal found 10/7![Multiple Airlines logo]()
$1,222
Last-minute flights from Portland to Keflavik IntlDiscover last-minute flight deals from Portland to Keflavik Intl. Data last updated October 10, 2026 and is based on user searches.
Discover last-minute flight deals from Portland to Keflavik Intl. Data last updated October 10, 2026 and is based on user searches.
This Ovago deal was found by Cheapflights users on 10/7. 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.
Thu 10/297:30 pm -
2 stops34h 30m
Sun 11/13:20 pm -
2 stops35h 31m
Deal found 10/7![Multiple Airlines logo]()
$1,125
This KAYAK deal was found by Cheapflights users on 10/10. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/45:08 pm -
1 stop11h 52m
Sun 11/83:20 pm -
2 stops35h 31m
Deal found 10/10![Lufthansa logo]()
$923
This Icelandair deal was found by Cheapflights users on 10/6. 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 11/51:40 pm -
1 stop11h 50m
Thu 11/125:00 pm -
1 stop11h 55m
Deal found 10/6![Multiple Airlines logo]()
$919
This BusinessClass deal was found by Cheapflights users on 10/6. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/52:05 pm -
2 stops19h 20m
Thu 11/1212:00 pm -
2 stops16h 21m
Deal found 10/6![Lufthansa logo]()
$968
This United Airlines deal was found by Cheapflights users on 10/7. 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 11/52:05 pm -
2 stops38h 55m
Thu 11/1212:00 pm -
1 stop14h 51m
Deal found 10/7![United Airlines logo]()
$1,262
This KAYAK deal was found by Cheapflights users on 10/6. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/255:08 pm -
1 stop11h 52m
Tue 12/13:20 pm -
2 stops34h 22m
Deal found 10/6![Lufthansa logo]()
$936
This Ovago deal was found by Cheapflights users on 10/6. 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.
Wed 11/2511:07 am -
2 stops21h 43m
Tue 12/111:55 am -
2 stops35h 19m
Deal found 10/6![British Airways logo]()
$1,014
This Icelandair deal was found by Cheapflights users on 10/6. 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.
Wed 11/2510:25 am -
1 stop15h 05m
Tue 12/15:00 pm -
1 stop9h 50m
Deal found 10/6![Multiple Airlines logo]()
$1,139
This KAYAK deal was found by Cheapflights users on 10/6. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/262:05 pm -
2 stops19h 20m
Tue 12/13:20 pm -
2 stops34h 22m
Deal found 10/6![Lufthansa logo]()
$997
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 October 10, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $782 (FlightHub) |
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 7,457,451 searches. Data last updated October 10, 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
Cheapest round-trip
PortlandReykjavik
PWM Portland - KEF Reykjavik Keflavik Intl
PWMKEF
Portland
Mon 1/18
2:35 pm-10:50 am
2 stops15h 15m
Reykjavik Keflavik Intl
Thu 2/4
6:05 pm-11:49 pm
2 stops34h 44m
$816
Quickest round-trip
PortlandReykjavik
PWM Portland - KEF Reykjavik Keflavik Intl
PWMKEF
Portland
Wed 1/20
3:25 pm-6:30 am
1 stop10h 05m
Reykjavik Keflavik Intl
Wed 2/3
5:00 pm-9:40 pm
1 stop9h 40m
$829
PortlandReykjavik
PWM Portland - KEF Reykjavik Keflavik Intl
PWMKEF
Portland
Thu 11/5
1:40 pm-6:30 am
1 stop11h 50m
Reykjavik Keflavik Intl
Thu 11/12
5:00 pm-11:55 pm
1 stop11h 55m
$919
PortlandReykjavik
PWM Portland - KEF Reykjavik Keflavik Intl
PWMKEF
Portland
Wed 11/4
5:08 pm-10:00 am
1 stop11h 52m
Reykjavik Keflavik Intl
Sun 11/8
3:20 pm-9:51 pm
2 stops35h 31m
$923
PortlandReykjavik
PWM Portland - KEF Reykjavik Keflavik Intl
PWMKEF
Portland
Fri 1/22
2:35 pm-10:50 am
2 stops15h 15m
Reykjavik Keflavik Intl
Mon 2/1
11:35 am-11:49 pm
2 stops41h 14m
$936
PortlandReykjavik
PWM Portland - KEF Reykjavik Keflavik Intl
PWMKEF
Portland
Mon 1/18
2:35 pm-10:50 am
2 stops15h 15m
Reykjavik Keflavik Intl
Mon 2/1
11:35 am-11:49 pm
2 stops41h 14m
$936
PortlandReykjavik
PWM Portland - KEF Reykjavik Keflavik Intl
PWMKEF
Portland
Thu 11/26
11:15 am-6:30 am
1 stop14h 15m
Reykjavik Keflavik Intl
Tue 12/1
5:00 pm-9:50 pm
1 stop9h 50m
$1,139
PortlandReykjavik
PWM Portland - KEF Reykjavik Keflavik Intl
PWMKEF
Portland
Wed 11/25
10:25 am-6:30 am
1 stop15h 05m
Reykjavik Keflavik Intl
Tue 12/1
5:00 pm-9:50 pm
1 stop9h 50m
$1,139
PortlandReykjavik
PWM Portland - KEF Reykjavik Keflavik Intl
PWMKEF
Portland
Thu 10/29
3:25 pm-6:30 am
1 stop11h 05m
Reykjavik Keflavik Intl
Sun 11/1
5:00 pm-11:50 pm
1 stop11h 50m
$1,222
PortlandReykjavik
PWM Portland - KEF Reykjavik Keflavik Intl
PWMKEF
Portland
Thu 11/5
2:05 pm-10:00 am
2 stops38h 55m
Reykjavik Keflavik Intl
Thu 11/12
12:00 pm-9:51 pm
1 stop14h 51m
$1,262
Showing 1-10 of 11 resultsSorted by cheapest first
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 October.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- 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.
PWM-KEF
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.
Traveling to a place near Reykjavik Keflavik Intl Airport?
Book flights to Reykjavik Keflavik Intl Airport if you plan to visit one of these locationsKeflavik
Hveragerdi
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