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Cheap flights from Washington, D.C. to Rennes from $647

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. to Rennes departing on 1/7. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Washington, D.C. to Rennes

Cheap round-trip flights

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Multiple Airlines Logo
WAS
-
RNS
3672 mimulti-stop
Multiple Airlines Logo
RNS
-
WAS
3672 mimulti-stop
Multiple Airlines

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. to Rennes that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated December 18, 2025.
Use the filters below to find and compare flights from Washington, D.C. to Rennes that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BaltimoreRennes

BWI - RNS

BWIRNS

Baltimore/Washington

Wed 1/7

1:02 pm-10:20 am

2 stops15h 18m

$647

Washington, D.C.Rennes

DCA - RNS

DCARNS

Washington, D.C. Reagan-National

Wed 1/7

12:55 pm-10:20 am

2 stops15h 25m

$647

Washington, D.C.Rennes

IAD - RNS

IADRNS

Washington, D.C. Dulles Intl

Wed 1/7

12:29 pm-10:20 am

2 stops15h 51m

$647

Washington, D.C.Rennes

IAD - RNS

IADRNS

Washington, D.C. Dulles Intl

Wed 1/7

8:45 pm-6:35 pm

2 stops15h 50m

$659

Washington, D.C.Rennes

DCA - RNS

DCARNS

Washington, D.C. Reagan-National

Wed 1/7

12:55 pm-10:20 am

2 stops15h 25m

$707

Washington, D.C.Rennes

DCA - RNS

DCARNS

Washington, D.C. Reagan-National

Wed 1/7

6:50 pm-1:55 pm

2 stops37h 05m

$708

Washington, D.C.Rennes

IAD - RNS

IADRNS

Washington, D.C. Dulles Intl

Wed 1/7

12:40 pm-6:35 pm

3 stops23h 55m

$1,890

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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How to get the cheapest flight ticket from Washington, D.C. to Rennes

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to Rennes?

On average, the least expensive day to fly to Rennes from Washington, D.C. is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as $1,068. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Saturday as prices are generally higher than usual. According to our data, the average ticket price to Rennes on Saturday is $1,371.

What is the cheapest time of day to depart on your flight to Rennes?

Our data shows that the cheapest Washington, D.C. to Rennes flights are usually those with departure times in the afternoon. Our users have found flights to Rennes in the afternoon for as low as $1,192. Flights in the evening are often more expensive with an average ticket price of $1,365.

When to book flights from Washington, D.C. to Rennes

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. to Rennes according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Washington, D.C. to Rennes (WAS to RNS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. to Rennes

Fastest flight time

16h 00m

Direct flights

None
The fastest flight from Washington, D.C. to Rennes takes 16h 00m
There are no direct flights from Washington, D.C. to Rennes. There are no popular flight routes from Washington, D.C. to Rennes.
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  • How far is Washington, D.C. to Rennes St Jacques by plane?

    The distance between Washington, D.C. and Rennes St Jacques is about 3674.0 mi. In terms of flight time, this usually takes a little over 16h 00m.

  • When did momondo last update prices for flights from Washington, D.C. to Rennes St Jacques Airport?

    Prices for flights from Washington, D.C. to Rennes St Jacques Airport were last updated today.

  • How many operators does momondo search for flights from Washington, D.C. to Rennes St Jacques Airport?

  • How old do you have to be to fly from Washington, D.C. to Rennes St Jacques Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Washington, D.C. to Rennes St Jacques Airport.

  • What documentation or ID do you need to fly to Rennes St Jacques Airport?

    The necessary travel and health documents for your Rennes St Jacques Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Washington, D.C. to Rennes

Compare and see reviews for airlines that fly from Washington, D.C. to Rennes with momondo
Airline
Rating
Free Cancellation
Price
Air FrancePriceFrom $1,074Free CancellationRating
7.4
1,507 reviews
Search Air France flights

Why use momondo?

Why should I use momondo to find a flight deal from Washington, D.C. to Rennes?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Rennes from Washington, D.C..

Can I find flights from Washington, D.C. to Rennes with flexible booking policies on momondo?

All flight searches from Washington, D.C. to Rennes on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Washington, D.C. to Rennes?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Rennes from Washington, D.C..

I’m not ready to book a flight from Washington, D.C. to Rennes right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Washington, D.C. to Rennes flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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