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Cheap flights from Washington, D.C. to Rennes from $755

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 12/5. 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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Find the cheapest flights from Washington, D.C. to Rennes

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
6:05 pm - 5:05 pmIAD-RNS
17h 00m1 stop
Delta Logo
5:35 pm - 4:05 pmRNS-IAD
28h 30m1 stop
$755Delta
Find Deal
Fri, Dec 5 - Tue, Dec 9
Delta Logo
12:19 pm - 5:05 pmIAD-RNS
22h 46m2 stops
Delta Logo
5:35 pm - 4:05 pmRNS-IAD
28h 30m1 stop
$759Delta
Find Deal
Fri, Dec 5 - Tue, Dec 9
Delta Logo
2:55 pm - 5:05 pmDCA-RNS
20h 10m2 stops
Delta Logo
5:35 pm - 4:36 pmRNS-DCA
29h 01m2 stops
$769Delta
Find Deal
Fri, Dec 5 - Tue, Dec 9
Delta Logo
12:19 pm - 5:05 pmIAD-RNS
22h 46m2 stops
Delta Logo
5:35 pm - 6:12 pmRNS-IAD
30h 37m2 stops
$769Delta
Find Deal
Fri, Dec 5 - Tue, Dec 9
KLM Logo
12:37 pm - 10:20 amDCA-RNS
15h 43m2 stops
KLM Logo
5:35 pm - 4:40 pmRNS-DCA
29h 05m2 stops
$894KLM
Find Deal
Tue, Dec 16 - Tue, Dec 23
Multiple Airlines Logo
6:05 pm - 5:00 pmIAD-RNS
16h 55m1 stop
Multiple Airlines Logo
11:05 am - 4:35 pmRNS-IAD
11h 30m1 stop
$959Multiple Airlines
Find Deal
Tue, Dec 16 - Tue, Dec 23
Air France Logo
9:25 pm - 10:20 amIAD-RNS
30h 55m1 stop
Air France Logo
11:05 am - 7:15 pmRNS-IAD
14h 10m1 stop
$960Air France
Find Deal
Mon, Dec 15 - Mon, Dec 22
Multiple Airlines Logo
9:45 am - 5:05 pmIAD-RNS
25h 20m3 stops
Multiple Airlines Logo
5:30 pm - 4:40 pmRNS-IAD
29h 10m3 stops
$1,159Multiple Airlines
Find Deal
Mon, Dec 15 - Mon, Dec 22
Air France Logo
6:05 pm - 5:00 pmIAD-RNS
16h 55m1 stop
Air France Logo
11:05 am - 4:35 pmRNS-IAD
11h 30m1 stop
$2,070Air France
Find Deal
Sat, Dec 20 - Tue, Dec 30
KLM Logo
12:37 pm - 10:20 amDCA-RNS
15h 43m2 stops
KLM Logo
11:05 am - 10:50 pmRNS-DCA
17h 45m2 stops
$2,774KLM
Find Deal
Sat, Dec 20 - Tue, Dec 30

Delta flights from Washington, D.C. to Rennes

Our best Delta deals on Washington, D.C. to Rennes flight tickets
Delta
Dec 5
IAD6:05 pmWashington, D.C. Dulles Intl
17h 00m
1 stop
RNS5:05 pmRennes St Jacques
Dec 9
RNS5:35 pmRennes St Jacques
28h 30m
1 stop
IAD4:05 pmWashington, D.C. Dulles Intl
$755
Find similar
Delta
Dec 5
IAD12:19 pmWashington, D.C. Dulles Intl
22h 46m
2 stops
RNS5:05 pmRennes St Jacques
Dec 9
RNS5:35 pmRennes St Jacques
28h 30m
1 stop
IAD4:05 pmWashington, D.C. Dulles Intl
$759
Find similar
Delta
Dec 5
DCA2:55 pmWashington, D.C. Reagan-National
20h 10m
2 stops
RNS5:05 pmRennes St Jacques
Dec 9
RNS5:35 pmRennes St Jacques
29h 01m
2 stops
DCA4:36 pmWashington, D.C. Reagan-National
$769
Find similar

KLM flights from Washington, D.C. to Rennes

Our best KLM deals on Washington, D.C. to Rennes flight tickets
KLM
Dec 16
DCA12:37 pmWashington, D.C. Reagan-National
15h 43m
2 stops
RNS10:20 amRennes St Jacques
Dec 23
RNS5:35 pmRennes St Jacques
29h 05m
2 stops
DCA4:40 pmWashington, D.C. Reagan-National
$894
Find similar
KLM
Dec 20
DCA12:37 pmWashington, D.C. Reagan-National
15h 43m
2 stops
RNS10:20 amRennes St Jacques
Dec 30
RNS11:05 amRennes St Jacques
17h 45m
2 stops
DCA10:50 pmWashington, D.C. Reagan-National
$2,774
Find similar

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 November 2, 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

Washington, D.C.Rennes

IAD - RNS

IADRNS

Washington, D.C. Dulles Intl

Fri 12/5

6:05 pm-5:05 pm

1 stop17h 00m

Rennes St Jacques

Tue 12/9

5:35 pm-4:05 pm

1 stop28h 30m

$755

Washington, D.C.Rennes

IAD - RNS

IADRNS

Washington, D.C. Dulles Intl

Fri 12/5

12:19 pm-5:05 pm

2 stops22h 46m

Rennes St Jacques

Tue 12/9

5:35 pm-4:05 pm

1 stop28h 30m

$759

Washington, D.C.Rennes

DCA - RNS

DCARNS

Washington, D.C. Reagan-National

Fri 12/5

2:55 pm-5:05 pm

2 stops20h 10m

Rennes St Jacques

Tue 12/9

5:35 pm-4:36 pm

2 stops29h 01m

$769

Washington, D.C.Rennes

IAD - RNS

IADRNS

Washington, D.C. Dulles Intl

Fri 12/5

12:19 pm-5:05 pm

2 stops22h 46m

Rennes St Jacques

Tue 12/9

5:35 pm-6:12 pm

2 stops30h 37m

$769

Washington, D.C.Rennes

DCA - RNS

DCARNS

Washington, D.C. Reagan-National

Tue 12/16

12:37 pm-10:20 am

2 stops15h 43m

Rennes St Jacques

Tue 12/23

5:35 pm-4:40 pm

2 stops29h 05m

$894

Washington, D.C.Rennes

IAD - RNS

IADRNS

Washington, D.C. Dulles Intl

Tue 12/16

6:05 pm-5:00 pm

1 stop16h 55m

Rennes St Jacques

Tue 12/23

11:05 am-4:35 pm

1 stop11h 30m

$959

Washington, D.C.Rennes

IAD - RNS

IADRNS

Washington, D.C. Dulles Intl

Mon 12/15

9:25 pm-10:20 am

1 stop30h 55m

Rennes St Jacques

Mon 12/22

11:05 am-7:15 pm

1 stop14h 10m

$960

Washington, D.C.Rennes

IAD - RNS

IADRNS

Washington, D.C. Dulles Intl

Mon 12/15

9:45 am-5:05 pm

3 stops25h 20m

Rennes St Jacques

Mon 12/22

5:30 pm-4:40 pm

3 stops29h 10m

$1,159

Washington, D.C.Rennes

IAD - RNS

IADRNS

Washington, D.C. Dulles Intl

Sat 12/20

6:05 pm-5:00 pm

1 stop16h 55m

Rennes St Jacques

Tue 12/30

11:05 am-4:35 pm

1 stop11h 30m

$2,070

Washington, D.C.Rennes

DCA - RNS

DCARNS

Washington, D.C. Reagan-National

Sat 12/20

12:37 pm-10:20 am

2 stops15h 43m

Rennes St Jacques

Tue 12/30

11:05 am-10:50 pm

2 stops17h 45m

$2,774

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

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

Direct flights

None
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 50m.

  • 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
1,482 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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