HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Brittany

$323+ Cheap flights from Dulles Intl (IAD) to Brittany

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 7/5. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — BES
Apr 2 — Apr 91
Wed 4/2
Wed 4/9
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Dulles Intl to Brittany with Cheapflights

1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”
2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.
3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Dulles Intl to Brittany

Keep the following information in mind while searching for Dulles Intl to Brittany flight deals. Data was last updated March 28, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$799
(Mytrip)

One-way from

$323
(Kiwi.com)
Provider with most accurate pricing for Washington, D.C. (WAS)-Rennes St Jacques flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Rennes St Jacques flights.
Search Deals
From Washington, D.C. Dulles Intl to Brittany
Search Deals
One-way flight from Washington, D.C. Dulles Intl to Brittany
Search Deals

Find flight deals from Dulles Intl to Brittany

Cheapest flights from Dulles Intl to Brittany
Explore the most affordable flight options available from Dulles Intl to Brittany. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 28, 2025.

This Mytrip deal was found by Cheapflights users on 3/27. 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.
Sun 5/1110:05 pmIAD - NTE
3 stops28h 50mMultiple Airlines
Sun 5/183:45 pmNTE - IAD
3 stops34h 14mMultiple Airlines
Deal found 3/27$799
This Mytrip deal was found by Cheapflights users on 3/26. 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.
Sat 5/102:25 pmIAD - RNS
3 stops19h 15mMultiple Airlines
Sat 5/176:50 pmRNS - IAD
2 stops30h 30mMultiple Airlines
Deal found 3/26$1,074
This Gurufare deal was found by Cheapflights users on 3/26. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/1610:20 pmIAD - NTE
1 stop13h 20mLufthansa
Sun 10/266:35 pmNTE - IAD
1 stop27h 15mLufthansa
Deal found 3/26$1,139
This Justfly.com deal was found by Cheapflights users on 3/25. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/159:05 pmIAD - NTE
1 stop15h 35mRoyal Air Maroc
Sun 7/2012:40 pmNTE - IAD
1 stop12h 25mRoyal Air Maroc
Deal found 3/25$1,162
This Air France deal was found by Cheapflights users on 3/27. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/36:30 pmIAD - NTE
1 stop13h 35mAir France
Thu 4/106:20 amNTE - IAD
1 stop15h 15mAir France
Deal found 3/27$1,189
This Delta deal was found by Cheapflights users on 3/26. 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.
Thu 4/35:22 pmIAD - NTE
2 stops14h 18mDelta
Thu 4/106:20 amNTE - IAD
1 stop15h 15mDelta
Deal found 3/26$1,195
This KLM deal was found by Cheapflights users on 3/26. 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.
Sat 5/106:30 pmIAD - RNS
1 stop12h 40mKLM
Sat 5/174:50 pmRNS - IAD
1 stop28h 45mKLM
Deal found 3/26$1,204
This Delta deal was found by Cheapflights users on 3/26. 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.
Sat 5/101:20 pmIAD - RNS
2 stops14h 15mDelta
Sat 5/1710:55 amRNS - IAD
1 stop14h 20mDelta
Deal found 3/26$1,208
This Air France deal was found by Cheapflights users on 3/25. 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 7/149:20 pmIAD - BES
1 stop12h 50mAir France
Fri 7/2511:45 amBES - IAD
1 stop13h 30mAir France
Deal found 3/25$1,467
This Delta deal was found by Cheapflights users on 3/25. 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 7/146:30 pmIAD - BES
1 stop10h 25mDelta
Fri 7/256:15 amBES - IAD
2 stops19h 22mDelta
Deal found 3/25$1,478
This FlightHub deal was found by Cheapflights users on 3/25. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/134:30 pmIAD - NTE
2 stops15h 10mITA Airways
Sun 7/206:45 pmNTE - IAD
2 stops25h 55mITA Airways
Deal found 3/25$2,151

Cheapflights Fare Finder

Customize your flight search to find flights from Dulles Intl to Brittany 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 March 28, 2025.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Brittany that are best for you.

Fly from

Dulles Intl

Fly to

Brittany

Route

Depart

Return

Price

Washington, D.C.Nantes

IAD - NTE

IADNTE

Washington, D.C. Dulles Intl

Sun 5/11

10:05 pm-8:55 am

3 stops28h 50m

Nantes Atlantique

Sun 5/18

3:45 pm-7:59 pm

3 stops34h 14m

$799

Washington, D.C.Rennes

IAD - RNS

IADRNS

Washington, D.C. Dulles Intl

Sat 5/10

2:25 pm-3:40 pm

3 stops19h 15m

Rennes St Jacques

Sat 5/17

6:50 pm-7:20 pm

2 stops30h 30m

$1,074

Washington, D.C.Nantes

IAD - NTE

IADNTE

Washington, D.C. Dulles Intl

Tue 7/15

9:05 pm-6:40 pm

1 stop15h 35m

Nantes Atlantique

Sun 7/20

12:40 pm-7:05 pm

1 stop12h 25m

$1,162

Washington, D.C.Nantes

IAD - NTE

IADNTE

Washington, D.C. Dulles Intl

Sat 5/10

6:30 pm-1:15 pm

1 stop12h 45m

Nantes Atlantique

Sat 5/17

6:20 am-3:35 pm

1 stop15h 15m

$1,189

Washington, D.C.Nantes

IAD - NTE

IADNTE

Washington, D.C. Dulles Intl

Sat 5/10

12:25 pm-9:40 am

2 stops15h 15m

Nantes Atlantique

Sat 5/17

6:20 am-3:35 pm

1 stop15h 15m

$1,195

Washington, D.C.Rennes

IAD - RNS

IADRNS

Washington, D.C. Dulles Intl

Sat 5/10

6:30 pm-1:10 pm

1 stop12h 40m

Rennes St Jacques

Sat 5/17

4:50 pm-3:35 pm

1 stop28h 45m

$1,204

Washington, D.C.Rennes

IAD - RNS

IADRNS

Washington, D.C. Dulles Intl

Sat 5/10

1:20 pm-9:35 am

2 stops14h 15m

Rennes St Jacques

Sat 5/17

10:55 am-7:15 pm

1 stop14h 20m

$1,208

Washington, D.C.Nantes

IAD - NTE

IADNTE

Washington, D.C. Dulles Intl

Tue 7/15

5:10 pm-5:40 pm

2 stops18h 30m

Nantes Atlantique

Sun 7/20

6:35 pm-7:25 pm

1 stop30h 50m

$1,227

Washington, D.C.Brest

IAD - BES

IADBES

Washington, D.C. Dulles Intl

Mon 7/14

9:20 pm-4:10 pm

1 stop12h 50m

Brest Guipavas

Fri 7/25

11:45 am-7:15 pm

1 stop13h 30m

$1,467

Washington, D.C.Brest

IAD - BES

IADBES

Washington, D.C. Dulles Intl

Mon 7/14

6:30 pm-10:55 am

1 stop10h 25m

Brest Guipavas

Fri 7/25

6:15 am-7:37 pm

2 stops19h 22m

$1,478

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/27

Showing 1-10 of 16 results
1
2

Best time to book a flight from Dulles Intl to Brittany

Have a flexible travel schedule? Discover the best time to fly to Brittany 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 Brittany

Rainfall in Brittany by month

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

In terms of precipitation, rainfall in Brittany 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 Brittany when rainfall is around 1.5 in.

Temperature in Brittany by month

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

If weather is an important factor for your trip to Brittany, 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 Brittany

Get insights into the airlines that provide service to Brittany. 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 Brittany. Reviews last updated March 28, 2025.
See what other customers who have flown with Delta, KLM and Air France from Washington, D.C. to Brittany have to say. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,897 reviews

Boarding

8.2

Comfort

8.0

Food

7.3

Entertainment

7.9

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,897 reviews
Delta
8.0
Very good
7,897 reviews

Boarding

8.2

Comfort

8.0

Food

7.3

Entertainment

7.9

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
KLM
7.8
Good
1,321 reviews
Delta
8.0
Very good
7,897 reviews

Boarding

8.2

Comfort

8.0

Food

7.3

Entertainment

7.9

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Air France
7.4
Good
1,424 reviews
Delta
8.0
Very good
7,897 reviews

Boarding

8.2

Comfort

8.0

Food

7.3

Entertainment

7.9

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Aer Lingus
7.0
Good
1,062 reviews
Delta
8.0
Very good
7,897 reviews

Boarding

8.2

Comfort

8.0

Food

7.3

Entertainment

7.9

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
ITA Airways
6.7
Okay
946 reviews
Delta
8.0
Very good
7,897 reviews

Boarding

8.2

Comfort

8.0

Food

7.3

Entertainment

7.9

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

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

  • What are the cheapest airlines to fly from Washington, D.C. Dulles Intl Airport to Brittany one-way?

    $740 is the cheapest one-way deal found within the past few days, from Air France. You may also be able to find cheap deals on Aer Lingus and KLM, with prices starting from $776 and $794, respectively.

  • What are the most popular routes from Washington, D.C. Dulles Intl Airport to Brittany?

    Most travelers choose Washington, D.C. Dulles Intl - Nantes Atlantique, Washington, D.C. Dulles Intl - Brest Guipavas or Washington, D.C. Dulles Intl - Dinard Pleurtuit when deciding on the best route from Washington, D.C. Dulles Intl Airport to Brittany.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Dulles Intl to Brittany 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Dulles Intl to Brittany

See prices for flight routes from nearby airports that may be better suited for you.
Dulles Intl to Charles de Gaulle flights
Dulles Intl to Orly flights
Reagan-National to Charles de Gaulle flights
Baltimore to Charles de Gaulle flights
Reagan-National to Orly flights
Baltimore to Orly flights
Dulles Intl to Nice flights
Dulles Intl to Beauvais-Tille flights
Reagan-National to Nice flights
Baltimore to Nice flights
Dulles Intl to Lyon flights
Dulles Intl to Marseille flights
Baltimore to Lyon flights
Reagan-National to Lyon flights
Baltimore to Marseille flights
Dulles Intl to Bordeaux flights
Reagan-National to Marseille flights
Baltimore to Bordeaux flights
Reagan-National to Bordeaux flights
Dulles Intl to Toulouse flights
Baltimore to Toulouse flights
Reagan-National to Toulouse flights
Dulles Intl to Montpellier flights
Dulles Intl to Biarritz flights
Reagan-National to Montpellier flights
Baltimore to Montpellier flights
Baltimore to Biarritz flights
Reagan-National to Biarritz flights
Dulles Intl to Pau flights
Dulles Intl to Nantes flights
Dulles Intl to Ajaccio flights
Dulles Intl to Figari flights
Baltimore to Nantes flights
Dulles Intl to Strasbourg flights
Reagan-National to Nantes flights
Reagan-National to Strasbourg flights
Dulles Intl to Bergerac flights
Baltimore to Strasbourg flights
Dulles Intl to Lourdes flights
Dulles Intl to La Rochelle flights
Dulles Intl to Toulon flights
Reagan-National to Rennes flights
Dulles Intl to Rennes flights
Dulles Intl to Rouen flights

Top airline flying from Dulles Intl to Brittany

Discover the top airline that operate flights from Dulles Intl to Brittany. 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 March 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air FranceCheapest$853Average$1,568FlexibilityNo cancel feeOn-time77%
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.