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Keflavik Intl

$317+ Cheap flights from Portland (PDX) 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 8/31. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — KEF
Jun 21 — Jun 281
Sun 6/21
Sun 6/28
1 adult, Economy
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Cheapflights Tip: The best prices from Portland to Reykjavik Keflavik Intl are usually found in November or October, booked 83 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 May 22, 2026.

This Mytrip deal was found by Cheapflights users on 5/18. 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.
Mon 10/53:30 pm
PDX
-
KEF
Nonstop7h 35m
Icelandair
Sun 10/184:50 pm
KEF
-
PDX
Nonstop8h 05m
Icelandair
Deal found 5/18$420
This Mytrip deal was found by Cheapflights users on 5/18. 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.
Mon 10/53:30 pm
PDX
-
KEF
Nonstop7h 35m
Icelandair
Fri 10/94:50 pm
KEF
-
PDX
Nonstop8h 05m
Icelandair
Deal found 5/18$421
This Mytrip deal was found by Cheapflights users on 5/17. 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.
Mon 9/213:30 pm
PDX
-
KEF
Nonstop7h 35m
Icelandair
Tue 10/64:50 pm
KEF
-
PDX
Nonstop8h 05m
Icelandair
Deal found 5/17$422
This Mytrip deal was found by Cheapflights users on 5/17. 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.
Sun 9/67:05 pm
PDX
-
KEF
Nonstop7h 35m
Icelandair
Tue 10/64:50 pm
KEF
-
PDX
Nonstop8h 05m
Icelandair
Deal found 5/17$423
This Gotogate deal was found by Cheapflights users on 5/18. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/53:30 pm
PDX
-
KEF
Nonstop7h 35m
Icelandair
Wed 10/144:50 pm
KEF
-
PDX
Nonstop8h 05m
Icelandair
Deal found 5/18$427
This Booking.com deal was found by Cheapflights users on 5/20. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/102:45 pm
PDX
-
KEF
Nonstop7h 30m
Icelandair
Sun 11/154:50 pm
KEF
-
PDX
Nonstop8h 10m
Icelandair
Deal found 5/20$429
This Cheapflightsfares deal was found by Cheapflights users on 5/20. 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.
Sat 9/263:30 pm
PDX
-
KEF
Nonstop7h 35m
Icelandair
Sun 10/44:50 pm
KEF
-
PDX
Nonstop8h 05m
Icelandair
Deal found 5/20$433
This FlightHub deal was found by Cheapflights users on 5/19. 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 10/83:30 pm
PDX
-
KEF
Nonstop7h 35m
Icelandair
Tue 10/134:50 pm
KEF
-
PDX
Nonstop8h 05m
Icelandair
Deal found 5/19$435
This Kiwi.com deal was found by Cheapflights users on 5/19. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/73:30 pm
PDX
-
KEF
Nonstop7h 35m
Icelandair
Wed 10/144:50 pm
KEF
-
PDX
Nonstop8h 05m
Icelandair
Deal found 5/19$444
This Kiwi.com deal was found by Cheapflights users on 5/22. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/92:45 pm
PDX
-
KEF
Nonstop7h 30m
Icelandair
Mon 11/164:50 pm
KEF
-
PDX
Nonstop8h 10m
Icelandair
Deal found 5/22$445

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 May 22, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$420
(Mytrip)

One-way from

$317
(Kiwi.com)

Popular in

December

Cheapest in

November

Average price

$676

Good round-trip deal

$653 or less

Good one-way deal

$419 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
One-way flight from Portland to Reykjavik Keflavik Intl
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($71 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease ($50 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 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 May 22, 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

Sat 9/26

3:36 pm-8:50 am

2 stops34h 14m

Reykjavik Keflavik Intl

Sun 10/4

9:15 am-9:31 am

2 stops55h 16m

$472

PortlandReykjavik

PDX - KEF

PDXKEF

Portland

Sat 9/26

10:05 pm-9:30 am

1 stop28h 25m

Reykjavik Keflavik Intl

Sun 10/4

9:30 am-3:58 pm

1 stop13h 28m

$482

PortlandReykjavik

PDX - KEF

PDXKEF

Portland

Tue 9/8

8:25 am-8:30 am

1 stop17h 05m

Reykjavik Keflavik Intl

Mon 9/14

11:30 am-8:10 pm

1 stop15h 40m

$484

PortlandReykjavik

PDX - KEF

PDXKEF

Portland

Sat 9/5

11:18 pm-7:55 am

2 stops25h 37m

Reykjavik Keflavik Intl

Fri 9/18

11:30 am-8:10 pm

1 stop15h 40m

$487

PortlandReykjavik

PDX - KEF

PDXKEF

Portland

Sat 9/5

10:05 pm-9:30 am

1 stop28h 25m

Reykjavik Keflavik Intl

Fri 9/18

9:30 am-8:15 pm

1 stop17h 45m

$495
Quickest round-trip

PortlandReykjavik

PDX - KEF

PDXKEF

Portland

Mon 6/1

1:35 pm-7:40 am

1 stop11h 05m

Reykjavik Keflavik Intl

Tue 6/9

9:30 am-5:37 pm

1 stop15h 07m

$509

PortlandReykjavik

PDX - KEF

PDXKEF

Portland

Sun 7/19

6:15 am-7:00 am

1 stop17h 45m

Reykjavik Keflavik Intl

Fri 7/31

9:30 am-11:18 pm

1 stop20h 48m

$509

PortlandReykjavik

PDX - KEF

PDXKEF

Portland

Mon 6/1

1:35 pm-7:40 am

1 stop11h 05m

Reykjavik Keflavik Intl

Thu 6/11

9:30 am-11:18 pm

1 stop20h 48m

$509

PortlandReykjavik

PDX - KEF

PDXKEF

Portland

Mon 6/22

11:40 pm-8:50 am

1 stop26h 10m

Reykjavik Keflavik Intl

Tue 6/30

12:00 pm-9:34 am

1 stop28h 34m

$522

PortlandReykjavik

PDX - KEF

PDXKEF

Portland

Wed 11/4

5:15 am-10:00 am

2 stops20h 45m

Reykjavik Keflavik Intl

Mon 11/9

12:00 pm-9:40 am

2 stops29h 40m

$607

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/19

Showing 1-10 of 20 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 May.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 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?

The best time to book flights from Portland to Reykjavik Keflavik Intl Airport is 81 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 May 22, 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 May 22, 2026.
Get a feel of what it's like to fly with Alaska Airlines,Delta, andIcelandair 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.
Alaska Airlines
7.9
Good
12,398 reviews

Entertainment

7.0

Food

7.0

Comfort

7.8

Crew

8.5

Boarding

8.1

Overall

7.9

Reviews

1 / 20
8.0
Excellent

Eugene,Mar 2026

MFR - SEA

Alaska Airlines is is always good. There where few choices of what to drink, and no food. No blankets, no pillows, and you h ats ok. I just had open heart surgery And i could have used something. But the flight and the crew where exelent. So all is well
Alaska Airlines
7.9
Good
12,398 reviews
Alaska Airlines
7.9
Good
12,398 reviews

Entertainment

7.0

Food

7.0

Comfort

7.8

Crew

8.5

Boarding

8.1

Overall

7.9

Reviews

1 / 20
8.0
Excellent

Eugene,Mar 2026

MFR - SEA

Alaska Airlines is is always good. There where few choices of what to drink, and no food. No blankets, no pillows, and you h ats ok. I just had open heart surgery And i could have used something. But the flight and the crew where exelent. So all is well
Delta
7.9
Good
8,445 reviews
Alaska Airlines
7.9
Good
12,398 reviews

Entertainment

7.0

Food

7.0

Comfort

7.8

Crew

8.5

Boarding

8.1

Overall

7.9

Reviews

1 / 20
8.0
Excellent

Eugene,Mar 2026

MFR - SEA

Alaska Airlines is is always good. There where few choices of what to drink, and no food. No blankets, no pillows, and you h ats ok. I just had open heart surgery And i could have used something. But the flight and the crew where exelent. So all is well
Icelandair
7.0
Good
657 reviews
Alaska Airlines
7.9
Good
12,398 reviews

Entertainment

7.0

Food

7.0

Comfort

7.8

Crew

8.5

Boarding

8.1

Overall

7.9

Reviews

1 / 20
8.0
Excellent

Eugene,Mar 2026

MFR - SEA

Alaska Airlines is is always good. There where few choices of what to drink, and no food. No blankets, no pillows, and you h ats ok. I just had open heart surgery And i could have used something. But the flight and the crew where exelent. So all is well

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 3 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?

    United Airlines and KLM can get you from Portland to Reykjavik Keflavik Intl Airport in just under 28h 25m. Your travel time can differ by up to 5h 49m. 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. Search Cheapflights for deals from Delta and Alaska Airlines - these airlines can fly you to your destination from $424 and $601, respectively. Icelandair is currently priced 51% 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 $323. On average you can expect to pay $1,475. The most popular route, (Portland - Reykjavik Keflavik Intl), can usually be booked for $422.

  • 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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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 3 airlines flying from Portland to Keflavik Intl

Discover the top 3 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 May 22, 2026.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$363Average$618FlexibilityNo cancel feeOn-time76%
DeltaCheapest$424Average$690FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$601Average$994FlexibilityNo cancel feeOn-time75%

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