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Cheap flights from Washington, D.C. to Rennes from $632

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 8/23. 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

Logo
5:45 pm - 4:35 pmIAD-RNS
16h 50m2 stops
Logo
5:00 pm - 8:50 pmRNS-IAD
33h 50m3 stops
$1,013
Find Deal
Sun, Sep 14 - Sun, Sep 21
Logo
1:17 pm - 3:40 pmBWI-RNS
20h 23m2 stops
Logo
4:20 pm - 11:37 pmRNS-BWI
37h 17m3 stops
$1,030
Find Deal
Sun, Sep 14 - Sun, Sep 21
Logo
5:45 pm - 4:35 pmIAD-RNS
16h 50m2 stops
Logo
5:00 pm - 8:50 pmRNS-IAD
33h 50m3 stops
$1,054
Find Deal
Sun, Sep 14 - Sun, Sep 21
Logo
11:35 am - 3:40 pmIAD-RNS
22h 05m3 stops
Logo
5:00 pm - 8:50 pmRNS-IAD
33h 50m3 stops
$1,057
Find Deal
Sun, Sep 14 - Sun, Sep 21
Delta Logo
6:15 am - 10:35 amIAD-RNS
22h 20m2 stops
Delta Logo
11:05 am - 4:35 pmRNS-IAD
11h 30m1 stop
$1,066Delta
Find Deal
Fri, Dec 5 - Tue, Dec 9
Delta Logo
6:15 am - 10:35 amIAD-RNS
22h 20m2 stops
Delta Logo
11:05 am - 4:35 pmRNS-IAD
11h 30m1 stop
$1,067Delta
Find Deal
Fri, Dec 5 - Tue, Dec 9
KLM Logo
6:30 pm - 1:45 pmIAD-RNS
13h 15m1 stop
KLM Logo
12:00 pm - 7:15 pmRNS-IAD
13h 15m1 stop
$1,080KLM
Find Deal
Sun, Sep 14 - Sun, Sep 21
KLM Logo
6:05 pm - 5:05 pmIAD-RNS
17h 00m1 stop
KLM Logo
11:05 am - 7:15 pmRNS-IAD
14h 10m1 stop
$1,139KLM
Find Deal
Fri, Dec 5 - Tue, Dec 9
Air France Logo
12:30 pm - 10:35 amIAD-RNS
16h 05m2 stops
Air France Logo
11:05 am - 8:30 pmRNS-IAD
15h 25m2 stops
$1,395Air France
Find Deal
Fri, Dec 5 - Tue, Dec 9
Air France Logo
12:35 pm - 10:35 amIAD-RNS
16h 00m2 stops
Air France Logo
11:05 am - 8:30 pmRNS-IAD
15h 25m2 stops
$1,396Air France
Find Deal
Fri, Dec 5 - Tue, Dec 9

Delta flights from Washington, D.C. to Rennes

Our best Delta deals on Washington, D.C. to Rennes flight tickets
Delta
Dec 5
IAD6:15 amWashington, D.C. Dulles Intl
22h 20m
2 stops
RNS10:35 amRennes St Jacques
Dec 9
RNS11:05 amRennes St Jacques
11h 30m
1 stop
IAD4:35 pmWashington, D.C. Dulles Intl
$1,066
Find similar
Delta
Dec 5
IAD6:15 amWashington, D.C. Dulles Intl
22h 20m
2 stops
RNS10:35 amRennes St Jacques
Dec 9
RNS11:05 amRennes St Jacques
11h 30m
1 stop
IAD4:35 pmWashington, D.C. Dulles Intl
$1,067
Find similar
Delta
Dec 5
DCA11:30 amWashington, D.C. Reagan-National
17h 05m
2 stops
RNS10:35 amRennes St Jacques
Dec 9
RNS11:05 amRennes St Jacques
17h 59m
2 stops
DCA11:04 pmWashington, D.C. Reagan-National
$1,076
Find similar

KLM flights from Washington, D.C. to Rennes

Our best KLM deals on Washington, D.C. to Rennes flight tickets
KLM
Sep 14
IAD6:30 pmWashington, D.C. Dulles Intl
13h 15m
1 stop
RNS1:45 pmRennes St Jacques
Sep 21
RNS12:00 pmRennes St Jacques
13h 15m
1 stop
IAD7:15 pmWashington, D.C. Dulles Intl
$1,080
Find similar
KLM
Dec 5
IAD6:05 pmWashington, D.C. Dulles Intl
17h 00m
1 stop
RNS5:05 pmRennes St Jacques
Dec 9
RNS11:05 amRennes St Jacques
14h 10m
1 stop
IAD7:15 pmWashington, D.C. Dulles Intl
$1,139
Find similar
KLM
Dec 5
IAD6:05 pmWashington, D.C. Dulles Intl
17h 00m
1 stop
RNS5:05 pmRennes St Jacques
Dec 9
RNS11:05 amRennes St Jacques
11h 30m
1 stop
IAD4:35 pmWashington, D.C. Dulles Intl
$1,140
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 August 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

Sun 9/14

5:45 pm-4:35 pm

2 stops16h 50m

Rennes St Jacques

Sun 9/21

5:00 pm-8:50 pm

3 stops33h 50m

$1,013

BaltimoreRennes

BWI - RNS

BWIRNS

Baltimore/Washington

Sun 9/14

1:17 pm-3:40 pm

2 stops20h 23m

Rennes St Jacques

Sun 9/21

4:20 pm-11:37 pm

3 stops37h 17m

$1,030

Washington, D.C.Rennes

IAD - RNS

IADRNS

Washington, D.C. Dulles Intl

Sun 9/14

5:45 pm-4:35 pm

2 stops16h 50m

Rennes St Jacques

Sun 9/21

5:00 pm-8:50 pm

3 stops33h 50m

$1,054

Washington, D.C.Rennes

IAD - RNS

IADRNS

Washington, D.C. Dulles Intl

Sun 9/14

11:35 am-3:40 pm

3 stops22h 05m

Rennes St Jacques

Sun 9/21

5:00 pm-8:50 pm

3 stops33h 50m

$1,057

Washington, D.C.Rennes

IAD - RNS

IADRNS

Washington, D.C. Dulles Intl

Fri 12/5

6:15 am-10:35 am

2 stops22h 20m

Rennes St Jacques

Tue 12/9

11:05 am-4:35 pm

1 stop11h 30m

$1,066

Washington, D.C.Rennes

IAD - RNS

IADRNS

Washington, D.C. Dulles Intl

Fri 12/5

6:15 am-10:35 am

2 stops22h 20m

Rennes St Jacques

Tue 12/9

11:05 am-4:35 pm

1 stop11h 30m

$1,067

Washington, D.C.Rennes

IAD - RNS

IADRNS

Washington, D.C. Dulles Intl

Sun 9/14

6:30 pm-1:45 pm

1 stop13h 15m

Rennes St Jacques

Sun 9/21

12:00 pm-7:15 pm

1 stop13h 15m

$1,080

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

11:05 am-7:15 pm

1 stop14h 10m

$1,139

Washington, D.C.Rennes

IAD - RNS

IADRNS

Washington, D.C. Dulles Intl

Fri 12/5

12:30 pm-10:35 am

2 stops16h 05m

Rennes St Jacques

Tue 12/9

11:05 am-8:30 pm

2 stops15h 25m

$1,395

Washington, D.C.Rennes

IAD - RNS

IADRNS

Washington, D.C. Dulles Intl

Fri 12/5

12:35 pm-10:35 am

2 stops16h 00m

Rennes St Jacques

Tue 12/9

11:05 am-8:30 pm

2 stops15h 25m

$1,396

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 12 resultsSorted by cheapest first
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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

Best Price Found

$632

Fastest flight time

10h 25m

Direct flights

None

Airports in Rennes

1 airport
The best one-way flight to Rennes from Washington, D.C. in the past 72 hours is $632. The best round-trip flight deal from Washington, D.C. to Rennes found on momondo in the last 72 hours is $1,013.
The fastest flight from Washington, D.C. to Rennes takes 10h 25m
There are no direct flights from Washington, D.C. to Rennes. Popular non-direct routes for this connection are Baltimore/Washington Airport - Rennes St Jacques Airport, Washington, D.C. Reagan-National Airport - Rennes St Jacques Airport and Washington, D.C. Dulles Intl Airport - Rennes St Jacques Airport.
There is 1 airport near Rennes: Rennes St Jacques (RNS)
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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 10h 25m.

  • 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
7.5
1,465 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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