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Rennes

$632+ Cheap flights from Dulles Intl (IAD) to Rennes (RNS)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/23. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — RNS
Aug 3 — Aug 101
Sun 8/3
Sun 8/10
1 adult, Economy
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Cheap 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 July 29, 2025.

Round-trip from

$1,007
(Mytrip)

One-way from

$632
(Air France)
From Washington, D.C. Dulles Intl to Rennes St Jacques
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One-way flight from Washington, D.C. Dulles Intl to Rennes St Jacques
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Find 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 July 29, 2025.

This Mytrip deal was found by Cheapflights users on 7/27. 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 9/95:00 pmIAD - RNS
2 stops16h 40mMultiple Airlines
Tue 9/164:35 pmRNS - IAD
3 stops34h 15mMultiple Airlines
Deal found 7/27$1,007
This Delta deal was found by Cheapflights users on 7/27. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/512:00 pmIAD - RNS
2 stops16h 35mDelta
Tue 12/911:05 amRNS - IAD
1 stop11h 30mDelta
Deal found 7/27$1,069
This Expedia deal was found by Cheapflights users on 7/27. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/66:30 pmIAD - RNS
1 stop10h 35mKLM
Sun 8/3111:45 amRNS - IAD
1 stop13h 30mKLM
Deal found 7/27$1,114

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 July 29, 2025.
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

Tue 9/9

5:00 pm-3:40 pm

2 stops16h 40m

Rennes St Jacques

Tue 9/16

4:35 pm-8:50 pm

3 stops34h 15m

$1,007

Washington, D.C.Rennes

IAD - RNS

IADRNS

Washington, D.C. Dulles Intl

Tue 9/9

6:30 pm-11:05 am

1 stop10h 35m

Rennes St Jacques

Tue 9/16

10:30 am-7:15 pm

1 stop14h 45m

$1,086

Washington, D.C.Rennes

IAD - RNS

IADRNS

Washington, D.C. Dulles Intl

Wed 8/6

6:30 pm-11:05 am

1 stop10h 35m

Rennes St Jacques

Sun 8/31

11:45 am-7:15 pm

1 stop13h 30m

$1,114

Washington, D.C.Rennes

IAD - RNS

IADRNS

Washington, D.C. Dulles Intl

Sat 8/23

6:30 pm-11:05 am

1 stop10h 35m

$632

Washington, D.C.Rennes

IAD - RNS

IADRNS

Washington, D.C. Dulles Intl

Sat 8/23

1:00 pm-11:05 am

2 stops16h 05m

$637

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/27

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 July 29, 2025.
Get a feel of what it's like to fly with Delta, KLM, and 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.
Delta
8.0
Very good
7,979 reviews

Comfort

7.9

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,979 reviews
Delta
8.0
Very good
7,979 reviews

Comfort

7.9

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
KLM
7.8
Good
1,383 reviews
Delta
8.0
Very good
7,979 reviews

Comfort

7.9

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Air France
7.5
Good
1,465 reviews
Delta
8.0
Very good
7,979 reviews

Comfort

7.9

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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.

  • 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.

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Alternative routes for Dulles Intl to Rennes

See prices for flight routes from nearby airports that may be better suited for you.
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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 July 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air FranceCheapest$1,074Average$1,377FlexibilityNo cancel feeOn-time77%

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