$552 Cheap Flights from Portland (PDX) to Rennes (RNS)

View $552 flight on Tue, Aug 26, 2025Opens in a new window

Popular airlines from Portland International Airport (PDX) to Rennes (RNS-Saint-Jacques)

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Cheap Flights from Portland to Rennes (PDX-RNS)

Prices were available within the past 7 days and start at $552 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Flights from Portland (PDX) to Rennes (RNS)
Origin airport
Portland Intl.
Destination airport
Saint-Jacques
Distance
5047 mi

Portland to Rennes Flights

The cheapest times to fly from Portland to Rennes

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 Rennes are during the month of . You can find some of the cheapest flights from Portland to Rennes with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Portland to Rennes

Sunday is one of the best days to book for cheap flights from Portland to Rennes: 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 Rennes

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 Rennes in 2025. You can also book with separate airlines for your outbound and return journeys, from $552 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 Rennes 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 Rennes 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 Saint-Jacques Airport (RNS) cost?
Lock in a cheap one-way flight from $552 or cheap return flight from Portland Intl. Airport (PDX) to Saint-Jacques Airport (RNS) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Portland Intl. Airport (PDX) to Saint-Jacques Airport (RNS)?
Traveling in can help you save, as it's the cheapest month for flights between PDX and RNS. You'll usually find the lowest fares during the off-season.
What is the cheapest airline that flies from Portland Intl. Airport (PDX) to Saint-Jacques Airport (RNS)?
To find the cheapest airline that'll fly you from PDX to RNS, use Expedia's filter tool. Tailor your search based on what's important to you, such as preferred carriers and cabin class. You can then sort your results by "Price (lowest to highest)" to see the cheapest fares upfront.
How many flights per day from Portland Intl. Airport (PDX) to Saint-Jacques Airport (RNS)?
Direct flights from Portland Intl. Airport (PDX) to Saint-Jacques Airport (RNS) aren't available daily, so you'll have to take a flight with a layover. Explore your options with Expedia's filters. Enter your travel details and pick either "1 Stop" or "2+ Stops."
What day of the week has the most flights from PDX to RNS?
You'll generally find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can change from season to season and during public holidays or peak travel times.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Portland Intl. Airport (PDX) to Saint-Jacques Airport (RNS)?
Select a flight from Portland Intl. Airport (PDX) to Saint-Jacques Airport (RNS) that leaves before 3 PM to reduce the risk of cancellations. Departures after this time have a 22% higher chance of being canceled, on average.**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 Saint-Jacques Airport (RNS) last-minute?
Last-minute fares from PDX to RNS are generally more expensive. To lock in the lowest prices, start searching for flights ahead of time. That being said, if you can play around with your travel dates, you may score a cheap fare right before you leave.
Is it cheaper to book a PDX to RNS flight and hotel package?
Compared with arranging flights and hotels separately, booking a PDX to RNS flight and hotel package with Expedia could lead to significant savings. Better yet, having everything in one convenient place will take the hassle out of planning your trip. Simply pick your flights and choose from our extensive range of stays, then tailor your trip with extras like tours, activities and car rentals.
Can I cancel or change the date of my flight from Portland Intl. Airport (PDX) to Saint-Jacques Airport (RNS)?
In most cases, you can cancel or modify your PDX to RNS flight. However, additional fees may apply, especially if you booked over 24 hours ago. Double-check your itinerary for the airline's policies and fees on flight changes, or if you want further information, go to our Customer Service portal.

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*Available to One Key members.