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Cheap flights from Washington, D.C. to Rennes from $806

This is the cheapest round-trip 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 3/16. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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

Cheap round-trip flights

Enter your travel dates to find the best prices.
Air France Logo
10:45 pm - 10:20 am
IAD
-
RNS
30h 35m
1 stop
Air France Logo
5:10 pm - 5:05 pm
RNS
-
IAD
28h 55m
1 stop
$806Air France
Mon, Mar 16 - Mon, Mar 23
Multiple Airlines Logo
1:19 pm - 10:20 am
IAD
-
RNS
16h 01m
2 stops
Multiple Airlines Logo
5:10 pm - 5:05 pm
RNS
-
IAD
28h 55m
1 stop
$807Multiple Airlines
Mon, Mar 16 - Mon, Mar 23
Delta Logo
1:19 pm - 10:20 am
IAD
-
RNS
16h 01m
2 stops
Delta Logo
5:10 pm - 9:10 am
RNS
-
IAD
45h 00m
2 stops
$812Delta
Mon, Mar 16 - Mon, Mar 23
Multiple Airlines Logo
9:55 am - 5:05 pm
IAD
-
RNS
26h 10m
3 stops
Multiple Airlines Logo
11:05 am - 4:50 pm
RNS
-
IAD
34h 45m
3 stops
$999Multiple Airlines
Mon, Mar 16 - Mon, Mar 23
Multiple Airlines Logo
6:00 am - 10:20 am
DCA
-
RNS
23h 20m
2 stops
Multiple Airlines Logo
5:10 pm - 6:05 pm
RNS
-
DCA
29h 55m
2 stops
$1,039Multiple Airlines
Mon, Mar 16 - Mon, Mar 23
Multiple Airlines Logo
6:05 pm - 10:20 am
IAD
-
RNS
35h 15m
3 stops
Multiple Airlines Logo
5:10 pm - 8:30 pm
RNS
-
IAD
32h 20m
2 stops
$1,109Multiple Airlines
Mon, Mar 16 - Mon, Mar 23

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 February 4, 2026.
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

Washington, D.C.Rennes

IAD - RNS

IADRNS

Washington, D.C. Dulles Intl

Mon 3/16

10:45 pm-10:20 am

1 stop30h 35m

Rennes St Jacques

Mon 3/23

5:10 pm-5:05 pm

1 stop28h 55m

$806

Washington, D.C.Rennes

IAD - RNS

IADRNS

Washington, D.C. Dulles Intl

Mon 3/16

1:19 pm-10:20 am

2 stops16h 01m

Rennes St Jacques

Mon 3/23

5:10 pm-5:05 pm

1 stop28h 55m

$807

Washington, D.C.Rennes

IAD - RNS

IADRNS

Washington, D.C. Dulles Intl

Mon 3/16

1:19 pm-10:20 am

2 stops16h 01m

Rennes St Jacques

Mon 3/23

5:10 pm-9:10 am

2 stops45h 00m

$812

Washington, D.C.Rennes

IAD - RNS

IADRNS

Washington, D.C. Dulles Intl

Mon 3/16

9:55 am-5:05 pm

3 stops26h 10m

Rennes St Jacques

Mon 3/23

11:05 am-4:50 pm

3 stops34h 45m

$999

Washington, D.C.Rennes

DCA - RNS

DCARNS

Washington, D.C. Reagan-National

Mon 3/16

6:00 am-10:20 am

2 stops23h 20m

Rennes St Jacques

Mon 3/23

5:10 pm-6:05 pm

2 stops29h 55m

$1,039

Washington, D.C.Rennes

IAD - RNS

IADRNS

Washington, D.C. Dulles Intl

Mon 3/16

6:05 pm-10:20 am

3 stops35h 15m

Rennes St Jacques

Mon 3/23

5:10 pm-8:30 pm

2 stops32h 20m

$1,109

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Rennes from

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

How long does it take to fly to Rennes?

The flight from Washington, D.C. to Rennes depends on which airports you’re departing and arriving from and whether or not you have a layover. If you fly from Washington, D.C. (a popular airport in Washington, D.C.) to Nantes (the most popular airport in Rennes), then the flight time is 12h 05m on average. If you fly from Baltimore (another popular airport in Washington, D.C.) to Nantes, then the average flight time is 15h 55m.

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

13h 45m

Direct flights

None
The fastest flight from Washington, D.C. to Rennes takes 13h 45m
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 13h 45m.

  • 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
1,531 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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