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Cheap flights from Washington, D.C. Dulles Intl Airport 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. Dulles Intl Airport 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.
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0 bags

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Find the cheapest flights from Washington, D.C. Dulles Intl Airport 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
6:05 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. Dulles Intl Airport 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. Dulles Intl Airport 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

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

When to book flights from Washington, D.C. Dulles Intl Airport to Rennes

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. Dulles Intl Airport 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. Dulles Intl Airport to Rennes (IAD to RNS) flight deals and tips

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

Fastest flight time

13h 45m

Direct flights

None
The fastest flight from Washington, D.C. Dulles Intl Airport to Rennes takes 13h 45m
There are no direct flights from Washington, D.C. Dulles Intl Airport to Rennes. There are no popular flight routes from Washington, D.C. Dulles Intl Airport to Rennes.
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  • How far is Washington, D.C. Dulles Intl to Rennes St Jacques by plane?

    Rennes St Jacques is 3690.2 mi away from Washington, D.C. Dulles Intl. Typically, this will take 13h 45m by plane in normal conditions.

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

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

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

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

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

    The travel and health documents you'll need for your trip to Rennes St Jacques Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Rennes St Jacques Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Washington, D.C. Dulles Intl Airport to Rennes?

Best airlines flying from Washington, D.C. Dulles Intl Airport to Rennes

Compare and see reviews for airlines that fly from Washington, D.C. Dulles Intl Airport to Rennes with momondo
Airline
Rating
Free Cancellation
Price
Air FrancePriceFrom $1,074Free CancellationRating
7.4
1,532 reviews
Search Air France flights

  • How do I get Price Alerts for flights from Washington, D.C. Dulles Intl Airport to Rennes?

    You can take advantage of momondo’s Price Alerts by first searching for your flights to Washington, D.C. Dulles Intl Airport from Rennes. Flight offers will be shown to you in real-time. From there you can create a Price Alert by using our on-site widget.

  • How can I save money on flights from Washington, D.C. Dulles Intl Airport to Rennes with momondo?

    By using tools like our “Price Calendar”, you can see the best day to fly round-trip for your travels. Our “Price Forecast” tool uses AI to predict whether you should purchase or hold off on booking for potentially cheaper prices. Explore shows you all flight options from a city or airport to build your own unique adventure. The Discover blog also provides valuable insights for saving money while booking your experience. After searching you can toggle on “Price Alerts” to track prices for your desired flight and book at the ideal moment.

  • How does momondo find its flight prices?

    We compare prices from 700+ competitors to help you find the price that works best for you. momondo operates in over 30 international markets, bringing you access to a wide range of fares and deals. Search for your travel using momondo for a diverse range of options from airlines and OTAs.

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Washington, D.C. to Rennes. momondo saves you time and could save you money on your trip.

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

Yes. All flights to Rennes from Washington, D.C. on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Washington, D.C. to Rennes.

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

Yes momondo offers price alerts on flights to Rennes from Washington, D.C.. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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