$247 Cheap Flights from Portland (PDX) to Reykjavik (KEF)

Popular airlines from Portland International Airport (PDX) to Reykjavik–Keflavik Intl. Airport (KEF)

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Cheap Flights from Portland to Reykjavik (PDX-KEF)

Prices were available within the past 7 days and start at $247 for one-way flights and $602 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Icelandair
Icelandair
Air Canada
Air Canada
Air Canada
Virgin Atlantic
Delta
American Airlines
Air Canada
British Airways
Flights from Portland (PDX) to Reykjavik (KEF)
Origin airport
Portland Intl.
Destination airport
Keflavik Intl.
Airlines serving
Air Canada, Air France, American Airlines, British Airways, Brussels Airlines, Delta, Finnair, Icelandair, KLM, Lufthansa, Scandinavian Airlines, United, Virgin Atlantic
Roundtrip price
$601
Distance
3725 mi

Portland to Reykjavik Flights

The cheapest times to fly from Portland to Reykjavik

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Portland to Reykjavik are during the month of October. You can find some of the cheapest flights from Portland to Reykjavik with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Portland to Reykjavik

Sunday is one of the best days to book for cheap flights from Portland to Reykjavik: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Portland to Reykjavik

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Portland to Reykjavik in 2025. You can also book with separate airlines for your outbound and return journeys, from $247 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Portland to Reykjavik flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Portland to Reykjavik airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Portland Intl. Airport (PDX) to Keflavik Intl. Airport (KEF) cost?
Grab cheap return fares starting from $755 from Portland Intl. Airport (PDX) to Keflavik Intl. Airport (KEF). This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a Icelandair flight leaving PDX on May 12 2025 and touching down at KEF. The price was last updated on April 25 2025 and has not changed since.
What is the cheapest month to fly from PDX to KEF?
The cheapest flights from PDX to KEF are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from PDX to KEF?
With prices as low as $497 for a one-way journey from PDX to KEF, Icelandair is currently the cheapest airline flying this route. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from PDX on June 9 2025. Prices were last updated on April 25 2025 and have not changed since.
How many flights per day from Portland Intl. Airport (PDX) to Keflavik Intl. Airport (KEF)?
You’ll have to catch a flight with a layover when traveling from Portland Intl. Airport (PDX) to Keflavik Intl. Airport (KEF). Direct flights don’t operate daily on this route. However, simply filter your search to include one or two stops to find the best option for your trip.
What day of the week has the most flights from PDX to KEF?
Typically you’ll find the widest variety of flight choices on a Friday. Tuesdays are often the quietest.* But this can vary depending on the season, airline and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What airline has the least delays from PDX to KEF?
Icelandair has the best track record for on-time direct flights from Portland Intl. Airport (PDX) to Keflavik Intl. Airport (KEF), with an on-time score of 86%. Use the Expedia App to view your journey status before you leave and get notified of any trip changes.
What is the best time to fly from Portland Intl. Airport (PDX) to Keflavik Intl. Airport (KEF)?
To avoid possible delays on the Portland Intl. Airport (PDX) to Keflavik Intl. Airport (KEF) route, travel before 3 PM. Flights after this time are 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.
Is it cheaper to buy a plane ticket from Portland Intl. Airport (PDX) to Keflavik Intl. Airport (KEF) last-minute?
Booking your plane ticket from PDX to KEF just before your getaway is generally more expensive. However, if you’re flexible with your travel dates and times, you could score a cheap last-minute fare.
Is it cheaper to book a PDX to KEF flight and hotel package?
Opting for a PDX to KEF flight and hotel package is typically cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Choose from our wide range of accommodations and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Portland Intl. Airport (PDX) to Keflavik Intl. Airport (KEF)?
If you booked your PDX to KEF flight within the last 24 hours, you may be able to cancel or modify it without fees. Depending on the airline and the type of ticket you purchased, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal for more details.

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*Available to One Key members.