HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Keflavik Intl

$394+ Cheap flights from Portland (PDX) 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 4/20. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — KEF
Apr 22 — Apr 291
Wed 4/22
Wed 4/29
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.
Cheapflights Tip: The best prices from Portland to Reykjavik Keflavik Intl are usually found in November or October, booked 82 days in advance, depart on a Monday or Tuesday and return on a Monday

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 March 23, 2026.

This Super.com deal was found by Cheapflights users on 3/21. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/203:30 pm
PDX
-
KEF
Nonstop7h 35m
Icelandair
Sun 4/264:50 pm
KEF
-
PDX
Nonstop8h 10m
Icelandair
Deal found 3/21$394
This Mytrip deal was found by Cheapflights users on 3/20. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/283:30 pm
PDX
-
KEF
Nonstop7h 35m
Icelandair
Tue 6/210:40 am
KEF
-
PDX
Nonstop8h 05m
Icelandair
Deal found 3/20$406
This Super.com deal was found by Cheapflights users on 3/18. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/263:30 pm
PDX
-
KEF
Nonstop7h 35m
Icelandair
Tue 6/210:40 am
KEF
-
PDX
Nonstop8h 05m
Icelandair
Deal found 3/18$409
This Mytrip deal was found by Cheapflights users on 3/18. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/297:05 pm
PDX
-
KEF
Nonstop7h 35m
Icelandair
Sat 6/610:40 am
KEF
-
PDX
Nonstop8h 05m
Icelandair
Deal found 3/18$411
This Cheapflightsfares deal was found by Cheapflights users on 3/20. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/277:05 pm
PDX
-
KEF
Nonstop7h 35m
Icelandair
Wed 6/34:50 pm
KEF
-
PDX
Nonstop8h 05m
Icelandair
Deal found 3/20$415
This FlightHub deal was found by Cheapflights users on 3/18. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/277:05 pm
PDX
-
KEF
Nonstop7h 35m
Icelandair
Tue 6/210:40 am
KEF
-
PDX
Nonstop8h 05m
Icelandair
Deal found 3/18$417
This Delta deal was found by Cheapflights users on 3/21. 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.
Tue 4/147:00 am
PDX
-
KEF
1 stop19h 30m
Delta
Tue 4/2111:25 am
KEF
-
PDX
1 stop17h 51m
Delta
Deal found 3/21$438
This Virgin Atlantic deal was found by Cheapflights users on 3/21. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/147:00 am
PDX
-
KEF
1 stop19h 30m
Virgin Atlantic
Tue 4/2111:25 am
KEF
-
PDX
2 stops17h 17m
Virgin Atlantic
Deal found 3/21$442
This KLM deal was found by Cheapflights users on 3/21. 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.
Sun 4/195:05 pm
PDX
-
KEF
2 stops33h 25m
KLM
Sat 4/2511:25 am
KEF
-
PDX
1 stop17h 51m
KLM
Deal found 3/21$447
This Expedia deal was found by Cheapflights users on 3/18. 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.
Fri 5/295:00 am
PDX
-
KEF
1 stop21h 00m
Alaska Airlines
Sat 6/612:45 pm
KEF
-
PDX
1 stop15h 43m
Alaska Airlines
Deal found 3/18$448
This Delta deal was found by Cheapflights users on 3/22. 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.
Sat 5/97:00 am
PDX
-
KEF
1 stop19h 30m
Delta
Sat 5/1611:25 am
KEF
-
PDX
1 stop16h 35m
Delta
Deal found 3/22$453
This KLM deal was found by Cheapflights users on 3/18. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/271:35 pm
PDX
-
KEF
1 stop11h 05m
KLM
Tue 6/211:25 am
KEF
-
PDX
2 stops19h 19m
KLM
Deal found 3/18$457

Find flight deals from Portland to Keflavik Intl

Discover tips and strategies to find the most affordable flight options for your journey from Portland (PDX) 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 March 23, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$394
(Super.com)

Popular in

December

Cheapest in

November

Average price

$719

Good round-trip deal

$615 or less

Good one-way deal

$318 or less
Provider with most accurate pricing for Portland-Reykjavik Keflavik Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Portland-Reykjavik Keflavik Intl flights.
Search Deals
From Portland to Reykjavik Keflavik Intl
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($48 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($47 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals
Price to beat on a round-trip flight from Portland to Reykjavik Keflavik Intl.
Search Deals
Price to beat on a one-way flight from Portland to Reykjavik Keflavik Intl.
Search Deals

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 March 23, 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

PDX - KEF

PDXKEF

Portland

Sun 4/26

7:00 am-9:30 am

1 stop19h 30m

Reykjavik Keflavik Intl

Thu 4/30

11:25 am-11:56 pm

2 stops19h 31m

$442

PortlandReykjavik

PDX - KEF

PDXKEF

Portland

Sat 5/9

6:00 am-7:40 am

1 stop18h 40m

Reykjavik Keflavik Intl

Sat 5/16

11:25 am-9:00 pm

1 stop16h 35m

$453

PortlandReykjavik

PDX - KEF

PDXKEF

Portland

Wed 6/10

11:55 am-7:40 am

1 stop12h 45m

Reykjavik Keflavik Intl

Wed 6/17

11:25 am-9:11 pm

1 stop16h 46m

$453

PortlandReykjavik

PDX - KEF

PDXKEF

Portland

Sat 5/9

9:50 am-9:30 am

2 stops16h 40m

Reykjavik Keflavik Intl

Sat 5/16

9:30 am-3:56 pm

2 stops13h 26m

$507

PortlandReykjavik

PDX - KEF

PDXKEF

Portland

Wed 5/27

9:50 am-7:00 am

2 stops14h 10m

Reykjavik Keflavik Intl

Mon 6/1

8:45 am-7:23 pm

2 stops17h 38m

$507

PortlandReykjavik

PDX - KEF

PDXKEF

Portland

Mon 4/20

7:00 am-9:30 am

1 stop19h 30m

Reykjavik Keflavik Intl

Sun 4/26

11:25 am-6:52 pm

2 stops38h 27m

$509
Quickest round-trip

PortlandReykjavik

PDX - KEF

PDXKEF

Portland

Sun 5/24

7:05 pm-9:40 am

Nonstop7h 35m

Reykjavik Keflavik Intl

Thu 5/28

10:40 am-11:45 am

Nonstop8h 05m

$541

PortlandReykjavik

PDX - KEF

PDXKEF

Portland

Wed 6/24

6:15 am-7:00 am

1 stop17h 45m

Reykjavik Keflavik Intl

Wed 7/1

8:45 am-9:46 pm

1 stop20h 01m

$614

PortlandReykjavik

PDX - KEF

PDXKEF

Portland

Wed 8/26

6:07 am-9:00 am

1 stop19h 53m

Reykjavik Keflavik Intl

Wed 9/2

12:45 pm-8:55 am

1 stop27h 10m

$657
Cheapest one-way
Quickest one-way

PortlandReykjavik

PDX - KEF

PDXKEF

Portland

Thu 5/21

3:30 pm-6:05 am

Nonstop7h 35m

$480

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/22

Showing 1-10 of 19 resultsSorted by cheapest first
1
2

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 March.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*2 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Portland-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-Reykjavik Keflavik Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Portland-Reykjavik Keflavik Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Portland-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-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.

Cheapflights Insights

Everything you need to know about your flight from Portland to Reykjavik Keflavik Intl Airport

How far ahead should I book a flight from Portland to Reykjavik Keflavik Intl Airport?

Use this chart to determine the optimal time to book a round-trip flight from Portland to Keflavik Intl. Price data was last updated on March 13, 2026.

The best time to book flights from Portland to Reykjavik Keflavik Intl Airport is 82 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest time of day to fly from PDX to KEF?

Find hourly flight availability from Portland to Keflavik Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated March 23, 2026.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Portland to Reykjavik Keflavik Intl Airport as you normally would.

How much does it cost to fly round-trip from Portland to Reykjavik Keflavik Intl Airport?

Reviews of airlines servicing Keflavik Intl

Get insights into the airlines that provide service to Keflavik Intl. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Keflavik Intl. Reviews last updated March 23, 2026.
Get a feel of what it's like to fly with Delta and Icelandair from Portland to Reykjavik Keflavik Intl Airport by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,317 reviews

Boarding

8.1

Food

7.2

Entertainment

7.8

Overall

7.9

Comfort

7.9

Crew

8.5

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,317 reviews
Delta
7.9
Good
8,317 reviews

Boarding

8.1

Food

7.2

Entertainment

7.8

Overall

7.9

Comfort

7.9

Crew

8.5

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Icelandair
7.0
Good
625 reviews
Delta
7.9
Good
8,317 reviews

Boarding

8.1

Food

7.2

Entertainment

7.8

Overall

7.9

Comfort

7.9

Crew

8.5

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

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?

    Most people fly from Portland (PDX) if they book a flight from Portland to Reykjavik Keflavik Intl. On average, Portland has 1 outbound flight to Reykjavik Keflavik Intl per day from 2 airlines. Portland is conveniently located just 6.0 mi from Portland’s city center.

  • How long is the flight from Portland to Reykjavik Keflavik Intl Airport?

    Virgin Atlantic and Delta can get you from Portland to Reykjavik Keflavik Intl Airport in just under 18h 40m. Your travel time can differ by up to 50m. Airlines will cover a distance of 3724 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines flying from Portland to Reykjavik Keflavik Intl Airport round-trip?

    Currently priced at $363, Icelandair will fly you from Portland to Reykjavik Keflavik Intl Airport and back. In addition to Icelandair, many other airlines offer competitively priced options for your trip. Check Cheapflights for deals on Delta for as low as $424. Icelandair is currently priced 52% below the average price you’ll pay for this route.

  • What are the cheapest flights from Portland to Reykjavik Keflavik Intl Airport?

    The cheapest flight price from Portland to Reykjavik Keflavik Intl Airport is $215. On average you can expect to pay $1,287. The most popular route, (Portland - Reykjavik Keflavik Intl), can usually be booked for $453.

  • 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

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 for Portland to Keflavik Intl

See prices for flight routes from nearby airports that may be better suited for you.
Medford to Keflavik Intl flights

Top 2 airlines flying from Portland to Keflavik Intl

Discover the top 2 airlines that operate flights from Portland to Keflavik Intl. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated March 23, 2026.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$363Average$658FlexibilityNo cancel feeOn-time76%
DeltaCheapest$424Average$837FlexibilityNo cancel feeOn-timeN/A

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.