$675+ 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 11/13. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — KEF
Oct 9 — Oct 161
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
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
Cheapest
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 September 9, 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 September 9, 2026.
This oojo deal was found by Cheapflights users on 9/6. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/136:30 am -
1 stop18h 40m
Sun 11/154:50 pm -
1 stop11h 53m
Deal found 9/6![Icelandair logo]()
$675
This Justfly.com deal was found by Cheapflights users on 9/8. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/256:30 am -
1 stop22h 25m
Sat 11/74:50 pm -
1 stop11h 53m
Deal found 9/8![Multiple Airlines logo]()
$717
This United Airlines deal was found by Cheapflights users on 9/8. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/255:08 pm -
1 stop12h 52m
Sat 11/712:00 pm -
2 stops26h 00m
Deal found 9/8![United Airlines logo]()
$767
This Icelandair deal was found by Cheapflights users on 9/9. 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 11/33:25 pm -
1 stop10h 05m
Tue 11/104:50 pm -
1 stop11h 53m
Deal found 9/9![Multiple Airlines logo]()
$773
This KAYAK deal was found by Cheapflights users on 9/6. 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.
Fri 11/138:47 am -
1 stop20h 13m
Sun 11/153:20 pm -
2 stops37h 01m
Deal found 9/6![Lufthansa logo]()
$919
This oojo deal was found by Cheapflights users on 9/9. 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 11/34:15 pm -
2 stops37h 35m
Tue 11/106:05 pm -
2 stops35h 14m
Deal found 9/9![Scandinavian Airlines logo]()
$922
This KAYAK deal was found by Cheapflights users on 9/6. 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.
Fri 11/132:05 pm -
2 stops18h 00m
Sun 11/153:20 pm -
2 stops37h 01m
Deal found 9/6![Multiple Airlines logo]()
$927
This Travelocity deal was found by Cheapflights users on 9/8. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/146:00 am -
2 stops20h 05m
Wed 10/285:00 pm -
2 stops34h 43m
Deal found 9/8![Multiple Airlines logo]()
$976
This Icelandair deal was found by Cheapflights users on 9/6. 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.
Fri 11/201:40 pm -
1 stop11h 50m
Sun 11/225:00 pm -
1 stop22h 30m
Deal found 9/6![Multiple Airlines logo]()
$992
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 September 9, 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 September 9, 2026.
This oojo deal was found by Cheapflights users on 9/6. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/136:30 am -
1 stop18h 40m
Sun 11/154:50 pm -
1 stop11h 53m
Deal found 9/6![Icelandair logo]()
$675
This oojo deal was found by Cheapflights users on 9/6. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/12:35 pm -
2 stops15h 15m
Sat 2/66:05 pm -
2 stops34h 44m
Deal found 9/6![Scandinavian Airlines logo]()
$793
This Icelandair deal was found by Cheapflights users on 9/6. 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.
Mon 2/112:50 pm -
1 stop12h 40m
Sat 2/65:00 pm -
1 stop10h 55m
Deal found 9/6![Multiple Airlines logo]()
$849
This KAYAK deal was found by Cheapflights users on 9/6. 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.
Fri 11/138:47 am -
1 stop20h 13m
Sun 11/153:20 pm -
2 stops37h 01m
Deal found 9/6![Lufthansa logo]()
$919
This Scandinavian Airlines deal was found by Cheapflights users on 9/7. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/166:30 am -
2 stops23h 20m
Sun 2/216:05 pm -
2 stops34h 44m
Deal found 9/7![Scandinavian Airlines logo]()
$867
This Scandinavian Airlines deal was found by Cheapflights users on 9/7. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/166:30 am -
2 stops29h 50m
Sat 2/206:05 pm -
2 stops34h 44m
Deal found 9/7![Scandinavian Airlines logo]()
$867
This Icelandair deal was found by Cheapflights users on 9/6. 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.
Fri 11/201:40 pm -
1 stop11h 50m
Sun 11/225:00 pm -
1 stop22h 30m
Deal found 9/6![Multiple Airlines logo]()
$992
This Scandinavian Airlines deal was found by Cheapflights users on 9/7. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/122:35 pm -
2 stops15h 15m
Sat 2/206:05 pm -
2 stops34h 44m
Deal found 9/7![Scandinavian Airlines logo]()
$867
This Icelandair deal was found by Cheapflights users on 9/7. 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.
Fri 2/128:50 am -
1 stop16h 40m
Fri 2/195:00 pm -
1 stop20h 10m
Deal found 9/7![Multiple Airlines logo]()
$1,059
This oojo deal was found by Cheapflights users on 9/9. 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 11/34:15 pm -
2 stops37h 35m
Tue 11/106:05 pm -
2 stops35h 14m
Deal found 9/9![Scandinavian Airlines logo]()
$922
This Icelandair deal was found by Cheapflights users on 9/7. 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.
Sun 2/1412:50 pm -
1 stop12h 40m
Sun 2/215:00 pm -
1 stop27h 30m
Deal found 9/7![Multiple Airlines logo]()
$1,069
This Icelandair deal was found by Cheapflights users on 9/8. 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 10/149:20 am -
1 stop17h 05m
Wed 10/285:00 pm -
1 stop20h 50m
Deal found 9/8![Multiple Airlines logo]()
$1,270
Last-minute flights from Portland to Keflavik IntlDiscover last-minute flight deals from Portland to Keflavik Intl. Data last updated September 9, 2026 and is based on user searches.
Discover last-minute flight deals from Portland to Keflavik Intl. Data last updated September 9, 2026 and is based on user searches.
This Travelocity deal was found by Cheapflights users on 9/8. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/146:00 am -
2 stops20h 05m
Wed 10/285:00 pm -
2 stops34h 43m
Deal found 9/8![Multiple Airlines logo]()
$976
This United Airlines deal was found by Cheapflights users on 9/9. 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.
Sat 10/246:55 pm -
2 stops35h 05m
Sat 10/3112:00 pm -
1 stop13h 48m
Deal found 9/9![United Airlines logo]()
$1,403
This Justfly.com deal was found by Cheapflights users on 9/8. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/256:30 am -
1 stop22h 25m
Sat 11/74:50 pm -
1 stop11h 53m
Deal found 9/8![Multiple Airlines logo]()
$717
This United Airlines deal was found by Cheapflights users on 9/8. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/255:08 pm -
1 stop12h 52m
Sat 11/712:00 pm -
2 stops26h 00m
Deal found 9/8![United Airlines logo]()
$767
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 September 9, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $675 (oojo) |
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 September 9, 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
Fri 11/13
6:30 am-6:10 am
1 stop18h 40m
Reykjavik Keflavik Intl
Sun 11/15
4:50 pm-11:43 pm
1 stop11h 53m
$675
PortlandReykjavik
PWM Portland - KEF Reykjavik Keflavik Intl
PWMKEF
Portland
Mon 2/1
2:35 pm-10:50 am
2 stops15h 15m
Reykjavik Keflavik Intl
Sat 2/6
6:05 pm-11:49 pm
2 stops34h 44m
$793
Quickest round-trip
PortlandReykjavik
PWM Portland - KEF Reykjavik Keflavik Intl
PWMKEF
Portland
Mon 2/1
12:50 pm-6:30 am
1 stop12h 40m
Reykjavik Keflavik Intl
Sat 2/6
5:00 pm-10:55 pm
1 stop10h 55m
$849
PortlandReykjavik
PWM Portland - KEF Reykjavik Keflavik Intl
PWMKEF
Portland
Tue 2/16
6:30 am-10:50 am
2 stops23h 20m
Reykjavik Keflavik Intl
Sun 2/21
6:05 pm-11:49 pm
2 stops34h 44m
$867
PortlandReykjavik
PWM Portland - KEF Reykjavik Keflavik Intl
PWMKEF
Portland
Tue 2/16
6:30 am-5:20 pm
2 stops29h 50m
Reykjavik Keflavik Intl
Sat 2/20
6:05 pm-11:49 pm
2 stops34h 44m
$867
PortlandReykjavik
PWM Portland - KEF Reykjavik Keflavik Intl
PWMKEF
Portland
Fri 2/12
2:35 pm-10:50 am
2 stops15h 15m
Reykjavik Keflavik Intl
Sat 2/20
6:05 pm-11:49 pm
2 stops34h 44m
$867
PortlandReykjavik
PWM Portland - KEF Reykjavik Keflavik Intl
PWMKEF
Portland
Fri 11/13
8:47 am-10:00 am
1 stop20h 13m
Reykjavik Keflavik Intl
Sun 11/15
3:20 pm-11:21 pm
2 stops37h 01m
$919
PortlandReykjavik
PWM Portland - KEF Reykjavik Keflavik Intl
PWMKEF
Portland
Tue 11/3
4:15 pm-10:50 am
2 stops37h 35m
Reykjavik Keflavik Intl
Tue 11/10
6:05 pm-12:19 am
2 stops35h 14m
$922
PortlandReykjavik
PWM Portland - KEF Reykjavik Keflavik Intl
PWMKEF
Portland
Fri 11/20
1:40 pm-6:30 am
1 stop11h 50m
Reykjavik Keflavik Intl
Sun 11/22
5:00 pm-10:30 am
1 stop22h 30m
$992
PortlandReykjavik
PWM Portland - KEF Reykjavik Keflavik Intl
PWMKEF
Portland
Fri 2/12
8:50 am-6:30 am
1 stop16h 40m
Reykjavik Keflavik Intl
Fri 2/19
5:00 pm-8:10 am
1 stop20h 10m
$1,059
Showing 1-10 of 12 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 September.
| 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
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Keflavik Intl flight routes
Other flight options
Other flights from Portland
Popular flights