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Rennes

$1,052+ 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 7/8. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — RNS
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
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 June 12, 2025.

Round-trip from

$1,052
(KLM)
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 June 12, 2025.

This KLM deal was found by Cheapflights users on 6/12. 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.
Tue 7/86:30 pmIAD - RNS
1 stop10h 35mKLM
Mon 8/1811:45 amRNS - IAD
1 stop13h 30mKLM
Deal found 6/12$1,052
This Delta deal was found by Cheapflights users on 6/12. 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.
Tue 7/81:00 pmIAD - RNS
2 stops16h 05mDelta
Mon 8/1811:45 amRNS - IAD
1 stop13h 30mDelta
Deal found 6/12$1,057
This Mytrip deal was found by Cheapflights users on 6/10. 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.
Fri 7/255:50 pmIAD - RNS
2 stops34h 55mMultiple Airlines
Fri 8/15:50 pmRNS - IAD
2 stops28h 10mMultiple Airlines
Deal found 6/10$1,294

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 June 12, 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 7/8

6:30 pm-11:05 am

1 stop10h 35m

Rennes St Jacques

Mon 8/18

11:45 am-7:15 pm

1 stop13h 30m

$1,052

Washington, D.C.Rennes

IAD - RNS

IADRNS

Washington, D.C. Dulles Intl

Tue 7/8

1:00 pm-11:05 am

2 stops16h 05m

Rennes St Jacques

Mon 8/18

11:45 am-7:15 pm

1 stop13h 30m

$1,057

Washington, D.C.Rennes

IAD - RNS

IADRNS

Washington, D.C. Dulles Intl

Fri 7/25

5:50 pm-10:45 am

2 stops34h 55m

Rennes St Jacques

Fri 8/1

5:50 pm-4:00 pm

2 stops28h 10m

$1,294

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/12

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.

Cheapflights Insights

Everything you need to know about your flight from Washington, D.C. Dulles Intl Airport to Rennes

Rainfall in Rennes by month

Plan your trip to Rennes by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Rennes ranges from 1.5 - 3.0 inches per month. October is typically the wettest month, when rainfall can reach 3.0 in. August is typically the driest time to visit Rennes when rainfall is around 1.5 in.

Temperature in Rennes by month

Plan your trip to Rennes by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Rennes, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 66.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 42.8 F).

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 June 12, 2025.
Peruse reviews from past customers who have flown with Delta and KLM from Washington, D.C. to Rennes to help guide your decision. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,950 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

Entertainment

7.9

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
7,950 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

Entertainment

7.9

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
1,358 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

Entertainment

7.9

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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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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air FranceCheapest$1,074Average$1,377FlexibilityNo cancel feeOn-time77%

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