$552 Cheap Flights from Boston (BOS) to Rennes (RNS)

View $552 flight on Tue, Apr 14, 2026Opens in a new window

Popular airlines from Logan International Airport (BOS) to Rennes (RNS-Saint-Jacques)

Cheap Flights from Boston to Rennes (BOS-RNS)

Prices were available within the past 7 days and start at $552 for one-way flights and $740 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Tue, Apr 14 - Sat, May 2
BOS
Boston
RNS
Rennes
$740 Roundtrip, found 1 day ago
$740
Roundtrip
found 1 day ago
Select Delta flight, departing Tue, Apr 14 from Boston to Rennes, returning Sat, May 2, priced at $740 found 1 day ago
KLM
Tue, Apr 14 - Sat, May 2
BOS
Boston
RNS
Rennes
$778 Roundtrip, found 1 day ago
$778
Roundtrip
found 1 day ago
Select KLM flight, departing Tue, Apr 14 from Boston to Rennes, returning Sat, May 2, priced at $778 found 1 day ago

Frequently asked questions

How much does a flight from Logan Intl. Airport (BOS) to Saint-Jacques Airport (RNS) cost?
Secure a cheap one-way flight from $552 or cheap return flight from $740 from Logan Intl. Airport (BOS) to Saint-Jacques Airport (RNS) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Logan Intl. Airport (BOS) to Saint-Jacques Airport (RNS)?
Planning your trip for April is a good way to save, as it's the cheapest month for flights between BOS and RNS. You'll usually find the lowest prices during the off-season.
What is the cheapest airline that flies from Logan Intl. Airport (BOS) to Saint-Jacques Airport (RNS)?
Expedia's filter tool lets you easily compare airlines, flight times and fares all in one place. Customize the search to your preferences, then sort by "Price (lowest to highest)" to see which carrier offers the cheapest BOS to RNS flight.
How many flights per day from Logan Intl. Airport (BOS) to Saint-Jacques Airport (RNS)?
There are no daily nonstop flights available from Logan Intl. Airport (BOS) to Saint-Jacques Airport (RNS). But you can choose flights with layovers. Filter your search results on Expedia to include one or more stops, and you'll be on your way before you know it.
What day of the week has the most flights from BOS to RNS?
Typically you'll find the widest variety of flight choices on a Friday. Tuesdays tend to be the quietest.* But this can vary based on the season, carrier and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Logan Intl. Airport (BOS) to Saint-Jacques Airport (RNS)?
To avoid potential delays on the Logan Intl. Airport (BOS) to Saint-Jacques Airport (RNS) route, aim to fly before 3 PM. Departures after this time have a 22% higher chance of cancellation.**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 Logan Intl. Airport (BOS) to Saint-Jacques Airport (RNS) last-minute?
Last-minute fares from BOS to RNS are usually more expensive. To secure the best prices, start looking for flights early. That said, if you're flexible with your travel plans, it's possible to score a cheap fare right before your journey.
Is it cheaper to book a BOS to RNS flight and hotel package?
You'll typically save money by booking a BOS to RNS flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's simple to manage it all in one place. After choosing your ideal flights and accommodations, consider adding extras like tours, activities and car rentals.
Can I cancel or change the date of my flight from Logan Intl. Airport (BOS) to Saint-Jacques Airport (RNS)?
If you booked your BOS to RNS flight in the last 24 hours, you may be able to modify or cancel it at no cost. Depending on the airline and the fare type you purchased, additional charges may apply for changes beyond 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 information.

Travel information

Origin airport
Logan Intl.
Destination airport
Saint-Jacques
Airlines serving
Delta, KLM
Roundtrip price
$739
Distance
3280 mi

Book with confidence

Boston to Rennes Flights

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

 

The best time to book a flight from Boston to Rennes

Sunday is one of the best days to book for cheap flights from Boston 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 Boston 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 Boston 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 Boston 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 Boston 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.

 

Boston to Rennes Flights

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*Available to One Key members.