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Cheap flights from Washington, D.C. to Rennes from $377

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 8/27. 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
1 adult, Economy, 0 bags

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
9:45 pm - 10:20 am
IAD
-
RNS
30h 35m
1 stop
Delta Logo
11:05 am - 4:05 pm
RNS
-
IAD
11h 00m
1 stop
$1,138Delta
Sun, Sep 13 - Fri, Sep 25
Delta Logo
6:10 pm - 1:55 pm
IAD
-
RNS
13h 45m
1 stop
Delta Logo
11:05 am - 4:05 pm
RNS
-
IAD
11h 00m
1 stop
$1,141Delta
Mon, Sep 14 - Fri, Sep 25
Delta Logo
6:26 pm - 10:20 am
IAD
-
RNS
33h 54m
2 stops
Delta Logo
11:05 am - 4:05 pm
RNS
-
IAD
11h 00m
1 stop
$1,142Delta
Sat, Sep 12 - Fri, Sep 25
Delta Logo
11:00 am - 10:20 am
DCA
-
RNS
17h 20m
2 stops
Delta Logo
2:25 pm - 11:35 pm
RNS
-
DCA
15h 10m
2 stops
$1,144Delta
Sun, Sep 13 - Fri, Sep 25
Delta Logo
10:05 am - 10:20 am
IAD
-
RNS
18h 15m
2 stops
Delta Logo
2:25 pm - 12:32 am
RNS
-
IAD
16h 07m
2 stops
$1,144Delta
Sun, Sep 13 - Fri, Sep 25
Delta Logo
12:01 pm - 10:20 am
BWI
-
RNS
16h 19m
2 stops
Delta Logo
11:05 am - 9:13 pm
RNS
-
BWI
16h 08m
2 stops
$1,151Delta
Mon, Sep 14 - Fri, Sep 25
KLM Logo
9:45 pm - 10:20 am
IAD
-
RNS
30h 35m
1 stop
KLM Logo
5:20 pm - 3:35 pm
RNS
-
IAD
28h 15m
1 stop
$1,191KLM
Sun, Sep 13 - Sat, Sep 26
KLM Logo
6:10 pm - 1:55 pm
IAD
-
RNS
13h 45m
1 stop
KLM Logo
5:20 pm - 3:35 pm
RNS
-
IAD
28h 15m
1 stop
$1,194KLM
Mon, Sep 14 - Sat, Sep 26
KLM Logo
9:45 pm - 10:20 am
IAD
-
RNS
30h 35m
1 stop
KLM Logo
11:05 am - 4:05 pm
RNS
-
IAD
11h 00m
1 stop
$1,198KLM
Sat, Sep 12 - Fri, Sep 25
Multiple Airlines Logo
1:45 pm - 10:20 am
DCA
-
RNS
14h 35m
2 stops
Multiple Airlines Logo
2:25 pm - 11:43 pm
RNS
-
DCA
15h 18m
2 stops
$1,244Multiple Airlines
Sun, Sep 13 - Sun, Sep 27

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Air France flights from Washington, D.C. to Rennes

Our best Air France deals on Washington, D.C. to Rennes flight tickets
Air France
Sep 12
IAD9:45 pmWashington, D.C. Dulles Intl
30h 35m
1 stop
RNS10:20 amRennes St Jacques
Sep 26
RNS5:20 pmRennes St Jacques
28h 15m
1 stop
IAD3:35 pmWashington, D.C. Dulles Intl
$1,251
Air France
Jul 27
IAD9:45 pmWashington, D.C. Dulles Intl
30h 35m
1 stop
RNS10:20 amRennes St Jacques
Aug 3
RNS6:05 pmRennes St Jacques
27h 30m
1 stop
IAD3:35 pmWashington, D.C. Dulles Intl
$1,254
Air France
Jul 27
IAD9:45 pmWashington, D.C. Dulles Intl
30h 35m
1 stop
RNS10:20 amRennes St Jacques
Aug 3
RNS6:05 pmRennes St Jacques
27h 30m
1 stop
IAD3:35 pmWashington, D.C. Dulles Intl
$1,255

Delta flights from Washington, D.C. to Rennes

Our best Delta deals on Washington, D.C. to Rennes flight tickets
Delta
Sep 13
IAD9:45 pmWashington, D.C. Dulles Intl
30h 35m
1 stop
RNS10:20 amRennes St Jacques
Sep 25
RNS11:05 amRennes St Jacques
11h 00m
1 stop
IAD4:05 pmWashington, D.C. Dulles Intl
$1,138
Delta
Sep 14
IAD6:10 pmWashington, D.C. Dulles Intl
13h 45m
1 stop
RNS1:55 pmRennes St Jacques
Sep 25
RNS11:05 amRennes St Jacques
11h 00m
1 stop
IAD4:05 pmWashington, D.C. Dulles Intl
$1,141
Delta
Sep 12
IAD6:26 pmWashington, D.C. Dulles Intl
33h 54m
2 stops
RNS10:20 amRennes St Jacques
Sep 25
RNS11:05 amRennes St Jacques
11h 00m
1 stop
IAD4:05 pmWashington, D.C. Dulles Intl
$1,142

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 June 21, 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

Cheapest round-trip

Washington, D.C.Rennes

IAD - RNS

IADRNS

Washington, D.C. Dulles Intl

Sun 9/13

9:45 pm-10:20 am

1 stop30h 35m

Rennes St Jacques

Fri 9/25

11:05 am-4:05 pm

1 stop11h 00m

$1,138
Quickest round-trip

Washington, D.C.Rennes

IAD - RNS

IADRNS

Washington, D.C. Dulles Intl

Mon 9/14

6:10 pm-1:55 pm

1 stop13h 45m

Rennes St Jacques

Fri 9/25

11:05 am-4:05 pm

1 stop11h 00m

$1,141

Washington, D.C.Rennes

IAD - RNS

IADRNS

Washington, D.C. Dulles Intl

Sat 9/12

6:26 pm-10:20 am

2 stops33h 54m

Rennes St Jacques

Fri 9/25

11:05 am-4:05 pm

1 stop11h 00m

$1,142

Washington, D.C.Rennes

DCA - RNS

DCARNS

Washington, D.C. Reagan-National

Sun 9/13

11:00 am-10:20 am

2 stops17h 20m

Rennes St Jacques

Fri 9/25

2:25 pm-11:35 pm

2 stops15h 10m

$1,144

Washington, D.C.Rennes

IAD - RNS

IADRNS

Washington, D.C. Dulles Intl

Sun 9/13

10:05 am-10:20 am

2 stops18h 15m

Rennes St Jacques

Fri 9/25

2:25 pm-12:32 am

2 stops16h 07m

$1,144

BaltimoreRennes

BWI - RNS

BWIRNS

Baltimore/Washington

Mon 9/14

12:01 pm-10:20 am

2 stops16h 19m

Rennes St Jacques

Fri 9/25

11:05 am-9:13 pm

2 stops16h 08m

$1,151

Washington, D.C.Rennes

IAD - RNS

IADRNS

Washington, D.C. Dulles Intl

Sun 9/13

9:45 pm-10:20 am

1 stop30h 35m

Rennes St Jacques

Sat 9/26

5:20 pm-3:35 pm

1 stop28h 15m

$1,191

Washington, D.C.Rennes

IAD - RNS

IADRNS

Washington, D.C. Dulles Intl

Mon 9/14

6:10 pm-1:55 pm

1 stop13h 45m

Rennes St Jacques

Sat 9/26

5:20 pm-3:35 pm

1 stop28h 15m

$1,194

Washington, D.C.Rennes

IAD - RNS

IADRNS

Washington, D.C. Dulles Intl

Sat 9/12

9:45 pm-10:20 am

1 stop30h 35m

Rennes St Jacques

Fri 9/25

11:05 am-4:05 pm

1 stop11h 00m

$1,198

Washington, D.C.Rennes

DCA - RNS

DCARNS

Washington, D.C. Reagan-National

Sun 9/13

1:45 pm-10:20 am

2 stops14h 35m

Rennes St Jacques

Sun 9/27

2:25 pm-11:43 pm

2 stops15h 18m

$1,244

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 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 airline that flies from Washington, D.C. to Rennes St Jacques?

Air France is the most popular carrier operating from Washington, D.C. to Rennes St Jacques

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

14h 35m

Direct flights

None
The fastest flight from Washington, D.C. to Rennes takes 14h 35m
There are no direct flights from Washington, D.C. to Rennes. There are no popular flight routes from Washington, D.C. to Rennes.
Search flight deals

Frequently asked questions about flying from Washington, D.C. to Rennes

  • 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 14h 35m.

  • 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 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.

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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