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Keflavik Intl

$331+ 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 4/28. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — KEF
Mar 26 — Apr 21
Wed 3/26
Wed 4/2
1 adult, Economy
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Cheapflights Tip: The best prices from Portland to Reykjavik Keflavik Intl are usually found in November or April, booked 85 days in advance, depart on a Tuesday or Monday and return on a Tuesday

Cheap 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 21, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$552
(Mytrip)

One-way from

$331
(Kiwi.com)

Popular in

February

Cheapest in

November

Average price

$1,184

Good round-trip deal

$689 or less

Good one-way deal

$384 or less
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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Highest demand for flights based on searches. 28% potential increase in price ($340 potential increase over avg. RT price).
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Cheapest flight prices on average. 7% potential price decrease ($58 potential savings vs. average RT price).
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Average for round-trip flights in March 2025
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Price to beat on a round-trip flight from Portland to Reykjavik Keflavik Intl.
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Price to beat on a one-way flight from Portland to Reykjavik Keflavik Intl.
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Find 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 21, 2025.

This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/17:01 pmPDX - KEF
2 stops26h 54mMultiple Airlines
Fri 5/93:05 pmKEF - PDX
2 stops32h 40mMultiple Airlines
Deal found 3/21$552
This Justfly.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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/197:40 pmPDX - KEF
2 stops29h 30mAir Canada
Wed 9/310:00 amKEF - PDX
2 stops39h 46mAir Canada
Deal found 3/21$588
This Ticket 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 Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/57:00 amPDX - KEF
1 stop19h 30mVirgin Atlantic
Sun 5/1111:25 amKEF - PDX
1 stop30h 43mVirgin Atlantic
Deal found 3/20$593
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/123:20 pmPDX - KEF
Nonstop7h 35mIcelandair
Sat 5/244:50 pmKEF - PDX
Nonstop8h 05mIcelandair
Deal found 3/20$631
This Ticket 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 Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/59:55 amPDX - KEF
2 stops16h 35mAir France
Sun 5/1111:25 amKEF - PDX
2 stops19h 00mAir France
Deal found 3/20$639
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/232:15 pmPDX - KEF
1 stop11h 15mUnited Airlines
Tue 9/3010:00 amKEF - PDX
2 stops39h 36mUnited Airlines
Deal found 3/20$656
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.
Mon 5/57:00 amPDX - KEF
1 stop19h 30mDelta
Mon 5/198:50 amKEF - PDX
1 stop20h 11mDelta
Deal found 3/21$675
This KLM deal was found by Cheapflights users on 3/19. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/211:55 amPDX - KEF
1 stop12h 05mKLM
Sun 6/89:30 amKEF - PDX
2 stops21h 08mKLM
Deal found 3/19$680
This Lufthansa 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2312:40 pmPDX - KEF
2 stops27h 55mLufthansa
Mon 9/2912:25 amKEF - PDX
2 stops25h 11mLufthansa
Deal found 3/20$770
This WestJet 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 WestJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/121:45 pmPDX - KEF
1 stop11h 30mWestJet
Mon 8/259:35 amKEF - PDX
2 stops18h 11mWestJet
Deal found 3/20$863

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 21, 2025.
Use the filters below to find and compare flights from Portland to Reykjavik Keflavik Intl Airport that are best for you.

Fly from

Portland

Fly to

Keflavik Intl

Route

Depart

Return

Price

PortlandReykjavik

PDX - KEF

PDXKEF

Portland

Thu 5/1

7:01 pm-4:55 am

2 stops26h 54m

Reykjavik Keflavik Intl

Fri 5/9

3:05 pm-4:45 pm

2 stops32h 40m

$552

PortlandReykjavik

PDX - KEF

PDXKEF

Portland

Tue 8/19

7:40 pm-8:10 am

2 stops29h 30m

Reykjavik Keflavik Intl

Wed 9/3

10:00 am-6:46 pm

2 stops39h 46m

$588

PortlandReykjavik

PDX - KEF

PDXKEF

Portland

Mon 5/5

7:00 am-9:30 am

1 stop19h 30m

Reykjavik Keflavik Intl

Sun 5/11

11:25 am-11:08 am

1 stop30h 43m

$593

PortlandReykjavik

PDX - KEF

PDXKEF

Portland

Mon 5/12

3:20 pm-5:55 am

Nonstop7h 35m

Reykjavik Keflavik Intl

Sat 5/24

4:50 pm-5:55 pm

Nonstop8h 05m

$631

PortlandReykjavik

PDX - KEF

PDXKEF

Portland

Mon 5/5

9:55 am-9:30 am

2 stops16h 35m

Reykjavik Keflavik Intl

Sun 5/11

11:25 am-11:25 pm

2 stops19h 00m

$639

PortlandReykjavik

PDX - KEF

PDXKEF

Portland

Wed 9/17

5:15 am-8:30 am

2 stops20h 15m

Reykjavik Keflavik Intl

Thu 9/25

10:00 am-8:05 pm

2 stops41h 05m

$661

PortlandReykjavik

PDX - KEF

PDXKEF

Portland

Mon 5/5

7:00 am-9:30 am

1 stop19h 30m

Reykjavik Keflavik Intl

Mon 5/19

8:50 am-10:01 pm

1 stop20h 11m

$675

PortlandReykjavik

PDX - KEF

PDXKEF

Portland

Mon 6/2

6:30 am-7:00 am

1 stop17h 30m

Reykjavik Keflavik Intl

Sun 6/8

9:30 am-11:38 pm

2 stops21h 08m

$680

PortlandReykjavik

PDX - KEF

PDXKEF

Portland

Tue 4/8

9:55 am-11:35 pm

2 stops30h 40m

Reykjavik Keflavik Intl

Mon 4/14

12:25 am-6:45 pm

2 stops25h 20m

$774

PortlandReykjavik

PDX - KEF

PDXKEF

Portland

Tue 8/12

1:45 pm-8:15 am

1 stop11h 30m

Reykjavik Keflavik Intl

Mon 8/25

9:35 am-8:46 pm

2 stops18h 11m

$863

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/19

Showing 1-10 of 18 results
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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 Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
GurufarePrice Accuracy3 starsTrust Score*3 stars
SmartFaresPrice Accuracy1 starTrust 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?

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 14, 2025.

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 month to book a flight from Portland to Reykjavik Keflavik Intl Airport?

Currently, November is the cheapest month in which you can book a flight from Portland to Reykjavik Keflavik Intl Airport (average of $328). Flying from Portland to Reykjavik Keflavik Intl Airport in July is currently the most expensive (average of $651). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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 21, 2025.

When flying from Portland to Reykjavik Keflavik Intl Airport, the time of day you fly usually plays a role in the price. Save by searching for a flight at noon, which can drop the price by up to 40% versus a flight in the evening.

What is the cheapest day to fly from Portland to Reykjavik Keflavik Intl Airport?

Use this chart to determine the cheapest time to fly round-trip from Portland to Keflavik Intl. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Portland to Reykjavik Keflavik Intl Airport flight should consider departing on Tuesday at noon when fares are most often at their lowest. Thursday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Rainfall in Keflavik Intl by month

Plan your trip to Keflavik Intl by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Reykjavik Keflavik Intl Airport ranges from 1.6 - 3.1 inches per month. January is typically the wettest month, when rainfall can reach 3.1 in. May is typically the driest time to visit Reykjavik Keflavik Intl Airport when rainfall is around 1.6 in.

Temperature in Keflavik Intl by month

Plan your trip to Keflavik Intl by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Reykjavik Keflavik Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 51.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 32.0 F).

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 21, 2025.
Delta
8.0
Very good
7,895 reviews

Overall

8.0

Comfort

8.0

Crew

8.5

Food

7.3

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,895 reviews
Delta
8.0
Very good
7,895 reviews

Overall

8.0

Comfort

8.0

Crew

8.5

Food

7.3

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
KLM
7.8
Good
1,319 reviews
Delta
8.0
Very good
7,895 reviews

Overall

8.0

Comfort

8.0

Crew

8.5

Food

7.3

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Air France
7.4
Good
1,422 reviews
Delta
8.0
Very good
7,895 reviews

Overall

8.0

Comfort

8.0

Crew

8.5

Food

7.3

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
United Airlines
7.4
Good
8,605 reviews
Delta
8.0
Very good
7,895 reviews

Overall

8.0

Comfort

8.0

Crew

8.5

Food

7.3

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Virgin Atlantic
7.4
Good
634 reviews
Delta
8.0
Very good
7,895 reviews

Overall

8.0

Comfort

8.0

Crew

8.5

Food

7.3

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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 0 outbound flights to Reykjavik Keflavik Intl per day from 5 airlines. Portland is conveniently located just 6.0 mi from Portland’s city center.

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

    Currently priced at $588, Air Canada will fly you from Portland to Reykjavik Keflavik Intl Airport and back. In addition to Air Canada, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Virgin Atlantic and Icelandair - these airlines can fly you to your destination from $593 and $631, respectively. Air Canada is currently priced 31% below the average price you’ll pay for this route.

  • What are the cheapest airlines to fly from Portland to Reykjavik Keflavik Intl Airport one-way?

    For one-way options, check prices for Icelandair. According to our data, you can fly for as low as $415. Users have also found prices from $542 and $553 on KLM and Air Canada, respectively.

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

    The cheapest flight price from Portland to Reykjavik Keflavik Intl Airport is $278. On average you can expect to pay $1,785. The most popular route, (Portland - Reykjavik Keflavik Intl), can usually be booked for $579.

  • 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.

  • What is the cheapest month to book a flight from Portland to Reykjavik Keflavik Intl Airport?

    Currently, November is the cheapest month in which you can book a flight from Portland to Reykjavik Keflavik Intl Airport (average of $328). Flying from Portland to Reykjavik Keflavik Intl Airport in July is currently the most expensive (average of $651). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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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.
Boise to Keflavik Intl flights
Redmond to Keflavik Intl flights
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Top 5 airlines flying from Portland to Keflavik Intl

Discover the top 5 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 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$448Average$535FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$533Average$694FlexibilityNo cancel feeOn-time69%
DeltaCheapest$550Average$619FlexibilityNo cancel feeOn-timeN/A
Air FranceCheapest$573Average$664FlexibilityNo cancel feeOn-time77%
IcelandairCheapest$631Average$811FlexibilityNo cancel feeOn-time76%
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