The cheapest times to fly from BWI to RNS are

  • January 1st to April 1st
  • September 10th to December 16th (except the week of September 17th)

based on data collected exclusively by Champion Traveler across tens of millions of flights. Among all the dates above, the very cheapest time to fly from BWI to RNS is late November to early December. Prices can be as high as $1812 for Saturday flights during mid December, or as low as $1007 for Wednesday flights around late November to early December.


When to Fly to Rennes

Flying from Baltimore, MD (BWI) to Rennes (RNS) will usually cost between $1022 to $1599 per person if booking more than four weeks in advance. On average the very cheapest time to fly is late November to early December with an average ticket price of $1062. Due to high demand the most expensive time to fly is mid December, with an average price of $1579. Planning your trip to low-cost times can easily save you $516 on economy flights and even more on first-class flights. Generally, any price below $1255 can be considered a good price for a round-trip BWI to RNS flight.

See below for a graph of average weekly prices for the BWI to RNS route. All prices are for round-trip tickets in USD.

BWI to RNS Flight Prices

Compared to other flights, the BWI to RNS flight is slightly more expensive than the average and costs about as much as the average flight leaving from Baltimore. The average price per mile (for a direct flight) is $0.21, which is below average.


Flight Prices by Day of the Week

Wednesday is usually the cheapest day to fly to RNS, and Tuesday the cheapest day to fly back into BWI. Saturdays are the most expensive days to fly out or take a return trip. Selecting flights on the least expensive days could save you up to $155 (11%) on this flight.

Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Wednesday and returning a week later will cost an average of $1193. Return trip prices are from the RNS to BWI flight, and often highlight the quality of our data in showing the same trend.

Departing Prices by Day

Departure Day Prices

Return Trip Prices by Day

Return Day Prices


Nonstop Flights and Layovers

Travelers looking to fly from BWI to RNS can generally find a 1-layover flight. Because there is not usually a direct flight option the real-world direct flight time of 7 hour 33 minutes may not be realistic.


Alternative Nearby Airports

Champion Traveler tells you which airports are nearby and whether tickets might be cheaper alternative airports nearby. Sometimes it’s worth it to fly into a closer airport and then commute to your destination. Remember that there is not usually a nonstop flight from BWI to RNS while comparing.

Destination alternative #1: Nantes Atlantique Airport (NTE) in Nantes

  • 64 miles (103 km) away from RNS
  • Usually 0.56% less expensive than RNS
  • 1-layover flights available

See BWI to NTE flights


Flight Hacking BWI to RNS

Flight hacking is when you book two tickets instead of a layover, sometimes with different airlines. You will need to either bring only a carry-on bag (highly recommended) or leave yourself plenty of time to go through security again. Flight hacking is completely allowed, but airlines don’t always tell you the cheapest way to get from BWI to RNS — but Champion Traveler does!

Hack #1: Nice (BWI > NCE > RNS)

  • Price for both tickets: $784
  • Average savings: $471 (37.5%)

See BWI to NCE flights

Hack #2: Paris (BWI > CDG > RNS)

  • Price for both tickets: $823
  • Average savings: $432 (34.44%)

See BWI to CDG flights

Hack #3: Amsterdam (BWI > AMS > RNS)

  • Price for both tickets: $906
  • Average savings: $349 (27.78%)

See BWI to AMS flights


Flight Questions Answered

Still have questions about flying from BWI to RNS? We’ve got answers.

Which airlines fly this route?

You can find 12 major airlines flying this route most often: Aer Lingus, Air Canada, Air France, Alitalia, American, British Airways, Delta, Finnair, Iberia, KLM, Turkish Airlines, United, and potentially more during busy seasons.

How far away is it from Rennes Saint Jacques Airport to Baltimore/Washington International Thurgood Marshall Airport?

The distance between the two airports is roughly 3647 miles or 5869 kilometers.

How long does it take to fly from BWI to RNS?

The real-world flight time for a nonstop BWI to RNS flight is about 7 hour 33 minutes.

How many flights go between Baltimore, MD and Rennes?

It depends on the day of the week and the date, but a typical day might have around 12 available flights from BWI to RNS.


Airport Location Info


Departing Airport

Origination code BWI
Origination airport name Baltimore/Washington International Thurgood Marshall Airport
City Baltimore, MD
Country the United States
Latitude 39.2
Longitude -76.7

Return Airport

Destination code RNS
Destination airport name Rennes Saint Jacques Airport
City Rennes
Country France
Latitude 48.1
Longitude -1.7


Other Resources

Please note that while we’ve worked hard to analyzed tens of millions of flights to get you this data, we do not calculate current live prices or guarantee pricing. Please see our partners using the links above for current offers.