$584 Cheap Flights from Baltimore (BWI) to Rennes (RNS)

View $584 flight on Sun, Mar 1, 2026Opens in a new window

Popular airlines from Baltimore Washington Intl. Airport (BWI) to Rennes (RNS-Saint-Jacques)

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Cheap Flights from Baltimore to Rennes (BWI-RNS)

Prices were available within the past 7 days and start at $584 for one-way flights and $1,475 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Thu, Oct 2 - Thu, Oct 9
BWI
Baltimore
RNS
Rennes
$1,475 Roundtrip, found 6 days ago
$1,475
Roundtrip
found 6 days ago
Select Delta flight, departing Thu, Oct 2 from Baltimore to Rennes, returning Thu, Oct 9, priced at $1,475 found 6 days ago
Delta
Thu, Oct 2 - Thu, Oct 9
BWI
Baltimore
RNS
Rennes
$1,641 Roundtrip, found 6 days ago
$1,641
Roundtrip
found 6 days ago
Select Delta flight, departing Thu, Oct 2 from Baltimore to Rennes, returning Thu, Oct 9, priced at $1,641 found 6 days ago
Delta
Thu, Oct 2 - Thu, Oct 9
BWI
Baltimore
RNS
Rennes
$1,667 Roundtrip, found 6 days ago
$1,667
Roundtrip
found 6 days ago
Select Delta flight, departing Thu, Oct 2 from Baltimore to Rennes, returning Thu, Oct 9, priced at $1,667 found 6 days ago
Delta
Thu, Oct 2 - Thu, Oct 9
BWI
Baltimore
RNS
Rennes
$1,715 Roundtrip, found 6 days ago
$1,715
Roundtrip
found 6 days ago
Select Delta flight, departing Thu, Oct 2 from Baltimore to Rennes, returning Thu, Oct 9, priced at $1,715 found 6 days ago
Delta
Sun, Mar 1 - Thu, Mar 5
BWI
Baltimore
RNS
Rennes
$1,783 Roundtrip, found 5 days ago
$1,783
Roundtrip
found 5 days ago
Select Delta flight, departing Sun, Mar 1 from Baltimore to Rennes, returning Thu, Mar 5, priced at $1,783 found 5 days ago
Delta
Sun, Mar 1 - Thu, Mar 5
BWI
Baltimore
RNS
Rennes
$1,809 Roundtrip, found 5 days ago
$1,809
Roundtrip
found 5 days ago
Select Delta flight, departing Sun, Mar 1 from Baltimore to Rennes, returning Thu, Mar 5, priced at $1,809 found 5 days ago
Virgin Atlantic
Sun, Mar 1 - Thu, Mar 5
BWI
Baltimore
RNS
Rennes
$1,835 Roundtrip, found 5 days ago
$1,835
Roundtrip
found 5 days ago
Select Virgin Atlantic flight, departing Sun, Mar 1 from Baltimore to Rennes, returning Thu, Mar 5, priced at $1,835 found 5 days ago
Delta
Tue, Mar 17 - Fri, Mar 20
BWI
Baltimore
RNS
Rennes
$1,841 Roundtrip, found 18 hours ago
$1,841
Roundtrip
found 18 hours ago
Select Delta flight, departing Tue, Mar 17 from Baltimore to Rennes, returning Fri, Mar 20, priced at $1,841 found 18 hours ago
Delta
Tue, Mar 17 - Fri, Mar 20
BWI
Baltimore
RNS
Rennes
$1,861 Roundtrip, found 18 hours ago
$1,861
Roundtrip
found 18 hours ago
Select Delta flight, departing Tue, Mar 17 from Baltimore to Rennes, returning Fri, Mar 20, priced at $1,861 found 18 hours ago
KLM
Tue, Mar 17 - Fri, Mar 20
BWI
Baltimore
RNS
Rennes
$1,887 Roundtrip, found 18 hours ago
$1,887
Roundtrip
found 18 hours ago
Select KLM flight, departing Tue, Mar 17 from Baltimore to Rennes, returning Fri, Mar 20, priced at $1,887 found 18 hours ago

Frequently asked questions

How much does a flight from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Saint-Jacques Airport (RNS) cost?
Lock in a cheap one-way flight from $584 or cheap return flight from $1,475 from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) 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 Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Saint-Jacques Airport (RNS)?
Traveling in October is a great way to save, as it's the cheapest month for flights between BWI and RNS. You'll typically find the lowest prices during off-peak months.
What is the cheapest airline that flies from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Saint-Jacques Airport (RNS)?
To find the cheapest airline that'll fly you from BWI to RNS, use Expedia's filter tool. Tailor your search based on what matters most to you, such as preferred carriers and seat class. You can then sort your results by "Price (lowest to highest)" to see the cheapest fares upfront.
How many flights per day from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Saint-Jacques Airport (RNS)?
Direct flights from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Saint-Jacques Airport (RNS) aren't available daily, so you'll need to take a flight with a layover. Explore your options with Expedia's filters. Enter your travel details and click on either "1 Stop" or "2+ Stops."
What day of the week has the most flights from BWI to RNS?
You'll generally find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can vary 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 Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Saint-Jacques Airport (RNS)?
To reach Saint-Jacques Airport (RNS) without delays, book a flight that leaves Baltimore Washington Intl. Thurgood Marshall Airport (BWI) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this time.**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 Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Saint-Jacques Airport (RNS) last-minute?
Booking your ticket from BWI to RNS just before your trip is generally more expensive. However, if you're flexible with your schedule, you could bag a cheap last-minute fare.
Is it cheaper to book a BWI to RNS flight and hotel package?
Booking a BWI to RNS flight and hotel package tends to be cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our wide range of accommodations and then add car rentals, activities and flights to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Saint-Jacques Airport (RNS)?
Typically, you can modify or cancel your BWI to RNS flight. However, there may be additional fees, especially if you made your booking over 24 hours ago. Double-check your itinerary for the airline's rules and fees on flight changes, or if you'd like more information, go to our Customer Service portal.

Travel information

Travel information

Origin airport
Baltimore Washington Intl. Thurgood Marshall
Destination airport
Saint-Jacques
Roundtrip price
$1,475
Distance
3648 mi

Book with confidence

Book with confidence

Baltimore to Rennes Flights

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

 

The best time to book a flight from Baltimore to Rennes

Sunday is one of the best days to book for cheap flights from Baltimore 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 Baltimore 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 Baltimore to Rennes in 2025. You can also book with separate airlines for your outbound and return journeys, from $584 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 Baltimore 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 Baltimore 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.

 

Baltimore to Rennes Flights

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*Available to One Key members.