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Rennes

$815+ Cheap flights from Dulles Intl (IAD) to Rennes (RNS)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/23. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — RNS
Feb 26 — Mar 51
Thu 2/26
Thu 3/5
1 adult, Economy
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Cheap flight deals from Dulles Intl to Rennes

Cheapest flights from Dulles Intl to Rennes
Explore the most affordable flight options available from Dulles Intl to Rennes. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 27, 2026.

This Delta deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/2310:08 am
IAD
-
RNS
2 stops18h 12m
Delta
Mon 3/25:10 pm
RNS
-
IAD
1 stop28h 55m
Delta
Deal found 1/26$815
This Delta deal was found by Cheapflights users on 1/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/1512:45 pm
IAD
-
RNS
2 stops15h 35m
Delta
Tue 4/2111:05 am
RNS
-
IAD
1 stop11h 00m
Delta
Deal found 1/25$817
This KLM deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/236:05 pm
IAD
-
RNS
1 stop17h 00m
KLM
Mon 3/25:10 pm
RNS
-
IAD
1 stop28h 55m
KLM
Deal found 1/26$823
This Mytrip deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/247:40 pm
IAD
-
RNS
2 stops17h 55m
Multiple Airlines
Sat 2/289:40 am
RNS
-
IAD
2 stops14h 50m
Multiple Airlines
Deal found 1/27$858
This KLM deal was found by Cheapflights users on 1/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/156:10 pm
IAD
-
RNS
1 stop13h 45m
KLM
Tue 4/212:25 pm
RNS
-
IAD
1 stop31h 10m
KLM
Deal found 1/25$923
This Air France deal was found by Cheapflights users on 1/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/119:45 pm
IAD
-
RNS
1 stop30h 35m
Air France
Tue 8/46:05 pm
RNS
-
IAD
1 stop27h 30m
Air France
Deal found 1/25$976
This Delta deal was found by Cheapflights users on 1/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/205:13 pm
IAD
-
RNS
2 stops17h 52m
Delta
Sun 3/111:05 am
RNS
-
IAD
1 stop11h 30m
Delta
Deal found 1/25$1,013
This Delta deal was found by Cheapflights users on 1/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/116:10 pm
IAD
-
RNS
1 stop13h 45m
Delta
Tue 8/411:05 am
RNS
-
IAD
2 stops19h 05m
Delta
Deal found 1/25$1,150
This Mytrip deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/237:40 pm
IAD
-
RNS
3 stops32h 40m
Multiple Airlines
Mon 3/21:10 pm
RNS
-
IAD
2 stops28h 35m
Multiple Airlines
Deal found 1/26$1,171

Find flight deals from Dulles Intl to Rennes

Discover tips and strategies to find the most affordable flight options for your journey from Dulles Intl (IAD) to Rennes (RNS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 27, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$815
(Delta)
Provider with most accurate pricing for Washington, D.C. Dulles Intl-Rennes St Jacques flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. Dulles Intl-Rennes St Jacques flights.
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From Washington, D.C. Dulles Intl to Rennes St Jacques
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Dulles Intl 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, Cheapflights users made 2,558,603 searches. Data last updated January 27, 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

Dulles Intl

Fly to

Rennes

Route

Depart

Return

Price

Washington, D.C.Rennes

IAD - RNS

IADRNS

Washington, D.C. Dulles Intl

Mon 2/23

10:08 am-10:20 am

2 stops18h 12m

Rennes St Jacques

Mon 3/2

5:10 pm-4:05 pm

1 stop28h 55m

$815

Washington, D.C.Rennes

IAD - RNS

IADRNS

Washington, D.C. Dulles Intl

Wed 4/15

12:45 pm-10:20 am

2 stops15h 35m

Rennes St Jacques

Tue 4/21

11:05 am-4:05 pm

1 stop11h 00m

$817

Washington, D.C.Rennes

IAD - RNS

IADRNS

Washington, D.C. Dulles Intl

Mon 2/23

6:05 pm-5:05 pm

1 stop17h 00m

Rennes St Jacques

Mon 3/2

5:10 pm-4:05 pm

1 stop28h 55m

$823

Washington, D.C.Rennes

IAD - RNS

IADRNS

Washington, D.C. Dulles Intl

Tue 2/24

7:40 pm-7:35 pm

2 stops17h 55m

Rennes St Jacques

Sat 2/28

9:40 am-6:30 pm

2 stops14h 50m

$858

Washington, D.C.Rennes

IAD - RNS

IADRNS

Washington, D.C. Dulles Intl

Wed 4/15

6:10 pm-1:55 pm

1 stop13h 45m

Rennes St Jacques

Tue 4/21

2:25 pm-3:35 pm

1 stop31h 10m

$923

Washington, D.C.Rennes

IAD - RNS

IADRNS

Washington, D.C. Dulles Intl

Mon 5/11

9:45 pm-10:20 am

1 stop30h 35m

Rennes St Jacques

Tue 8/4

6:05 pm-3:35 pm

1 stop27h 30m

$976

Washington, D.C.Rennes

IAD - RNS

IADRNS

Washington, D.C. Dulles Intl

Fri 2/20

5:13 pm-5:05 pm

2 stops17h 52m

Rennes St Jacques

Sun 3/1

11:05 am-4:35 pm

1 stop11h 30m

$1,013

Washington, D.C.Rennes

IAD - RNS

IADRNS

Washington, D.C. Dulles Intl

Mon 5/11

6:10 pm-1:55 pm

1 stop13h 45m

Rennes St Jacques

Tue 8/4

11:05 am-12:10 am

2 stops19h 05m

$1,150

Washington, D.C.Rennes

IAD - RNS

IADRNS

Washington, D.C. Dulles Intl

Mon 2/23

7:40 pm-10:20 am

3 stops32h 40m

Rennes St Jacques

Mon 3/2

1:10 pm-11:45 am

2 stops28h 35m

$1,171

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/26

  • Most accurate provider: When it comes to deals on Washington, D.C. Dulles Intl Airport-Rennes flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Washington, D.C. Dulles Intl Airport-Rennes flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Washington, D.C. Dulles Intl Airport-Rennes flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Washington, D.C. Dulles Intl Airport-Rennes flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Washington, D.C. Dulles Intl Airport-Rennes flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Dulles Intl to Rennes

Have a flexible travel schedule? Discover the best time to fly to Rennes from Dulles Intl with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Reviews of airlines servicing Rennes

Get insights into the airlines that provide service to Rennes. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Rennes. Reviews last updated January 27, 2026.
Get a feel of what it's like to fly with Air France from Washington, D.C. Dulles Intl Airport to Rennes by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Air France
7.4
Good
1,526 reviews

Overall

7.4

Comfort

7.3

Crew

8.1

Food

7.0

Boarding

7.4

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Jayesh,Jan 2026

EWR - CDG

More choice on Food Coffee portion was small, the cups could be bigger. Dessert could have more options.
Air France
7.4
Good
1,526 reviews
Air France
7.4
Good
1,526 reviews

Overall

7.4

Comfort

7.3

Crew

8.1

Food

7.0

Boarding

7.4

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Jayesh,Jan 2026

EWR - CDG

More choice on Food Coffee portion was small, the cups could be bigger. Dessert could have more options.

Related info for your journey

Find useful and relevant information for your journey from Dulles Intl to Rennes. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Rennes from Washington, D.C. Dulles Intl?

    If you book a flight to Rennes from Washington, D.C. Dulles Intl, you will be flying to St Jacques, which is the city’s only airport. Rennes St Jacques (RNS) is located 4.0 mi from the center of Rennes. There are 0 flights from Washington, D.C. Dulles Intl to St Jacques per day from 1 airline.

  • How long is the flight from Washington, D.C. Dulles Intl Airport to Rennes?

    For as low as $823, Delta can have you in Rennes from Washington, D.C. Dulles Intl Airport in 17h. Washington, D.C. Dulles Intl Airport and Rennes are separated by a distance of 3689 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • Can I find deals for flights from Dulles Intl to Rennes that include hotel bookings?

    Yes. In addition to deals on Dulles Intl to Rennes flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Dulles Intl to Rennes?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Dulles Intl to Rennes.

  • Can I find deals for business class flights from Dulles Intl to Rennes?

    Yes. Cheapflights offers flight deals from Dulles Intl to Rennes by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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Alternative routes for Dulles Intl to Rennes

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Top airline flying from Dulles Intl to Rennes

Discover the top airline that operate flights from Dulles Intl to Rennes. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 27, 2026.
AirlineCheapestAverageFlexibilityOn-time
Air FranceCheapest$1,074Average$1,377FlexibilityNo cancel feeOn-time77%

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