Cheap flights from Bristol to Washington, D.C. Dulles Intl Airport from £452

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/10. Fares are subject to change and may not be available on all flights or dates of travel.
BRS — IAD
30 Aug — 6 Sep1
1 adult

Cheap flight deals from Bristol to Dulles Intl

Discover tips and strategies to find the most affordable flight options for your journey from Bristol (BRS) to Dulles Intl (IAD). 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 25 August 2025.

Round-trip from

£452

Popular in

August

Cheapest in

February

Average price

£865
8/10-15/10
  • 8/10-15/10
  • 4 total stops
  • 51h 45m total
  • Bristol to Washington, D.C.
Highest demand for flights based on searches. 12% potential increase in price (£74 potential increase over avg. return price).
Cheapest flight prices on average. 1% potential price decrease (£10 potential savings vs. average return price).
Average for round-trip flights in August 2025

Find flight deals from Bristol to Dulles Intl

Cheapest flights from Bristol to Dulles Intl
Explore the most affordable flight options available from Bristol to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 25 August 2025.

Wed 8/1018:40BRS - IAD
2 stops31h 10mMultiple Airlines
Wed 15/1022:20IAD - BRS
2 stops20h 35mMultiple Airlines
Deal found 24/8£452
Mon 15/906:15BRS - IAD
1 stop14h 20mKLM
Mon 22/917:25IAD - BRS
1 stop10h 25mKLM
Deal found 23/8£564
Mon 15/906:15BRS - IAD
1 stop14h 20mDelta
Mon 22/915:31IAD - BRS
2 stops16h 44mDelta
Deal found 23/8£565
Wed 8/1008:25BRS - IAD
1 stop16h 05mAer Lingus
Wed 15/1021:00IAD - BRS
1 stop16h 35mAer Lingus
Deal found 24/8£567
Wed 8/1009:20BRS - IAD
1 stop11h 15mVirgin Atlantic
Wed 15/1010:11IAD - BRS
2 stops17h 39mVirgin Atlantic
Deal found 24/8£568
Fri 5/912:25BRS - IAD
1 stop11h 30mAer Lingus
Mon 15/920:25IAD - BRS
1 stop14h 35mAer Lingus
Deal found 23/8£571
Fri 5/909:20BRS - IAD
1 stop11h 15mDelta
Mon 15/912:08IAD - BRS
2 stops15h 42mDelta
Deal found 23/8£595
Fri 5/909:20BRS - IAD
1 stop11h 15mKLM
Mon 15/917:25IAD - BRS
1 stop23h 40mKLM
Deal found 24/8£598
Thu 28/808:55BRS - IAD
1 stop11h 55mMultiple Airlines
Mon 1/920:25IAD - BRS
1 stop14h 40mMultiple Airlines
Deal found 23/8£644

Cheapflights Fare Finder

 
Customise your flight search to find flights from Bristol to Dulles Intl 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 858,174 searches. Data last updated 25 August 2025.
Use the filters below to find and compare flights from Bristol to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Bristol

Fly to

Dulles Intl

Route

Depart

Return

Price

BristolWashington, D.C.

BRS - IAD

BRSIAD

Bristol

Wed 8/10

18:40-20:50

2 stops31h 10m

Washington, D.C. Dulles Intl

Wed 15/10

22:20-23:55

2 stops20h 35m

£452

BristolWashington, D.C.

BRS - IAD

BRSIAD

Bristol

Mon 15/9

06:15-15:35

1 stop14h 20m

Washington, D.C. Dulles Intl

Mon 22/9

17:25-08:50

1 stop10h 25m

£564

BristolWashington, D.C.

BRS - IAD

BRSIAD

Bristol

Mon 15/9

06:15-15:35

1 stop14h 20m

Washington, D.C. Dulles Intl

Mon 22/9

15:31-13:15

2 stops16h 44m

£565

BristolWashington, D.C.

BRS - IAD

BRSIAD

Bristol

Wed 8/10

08:25-19:30

1 stop16h 05m

Washington, D.C. Dulles Intl

Wed 15/10

21:00-18:35

1 stop16h 35m

£567

BristolWashington, D.C.

BRS - IAD

BRSIAD

Bristol

Wed 8/10

09:20-15:35

1 stop11h 15m

Washington, D.C. Dulles Intl

Wed 15/10

10:11-08:50

2 stops17h 39m

£568

BristolWashington, D.C.

BRS - IAD

BRSIAD

Bristol

Fri 5/9

12:25-18:55

1 stop11h 30m

Washington, D.C. Dulles Intl

Mon 15/9

20:25-16:00

1 stop14h 35m

£571

BristolWashington, D.C.

BRS - IAD

BRSIAD

Bristol

Fri 5/9

09:20-15:35

1 stop11h 15m

Washington, D.C. Dulles Intl

Mon 15/9

12:08-08:50

2 stops15h 42m

£595

BristolWashington, D.C.

BRS - IAD

BRSIAD

Bristol

Fri 5/9

09:20-15:35

1 stop11h 15m

Washington, D.C. Dulles Intl

Mon 15/9

17:25-22:05

1 stop23h 40m

£598

Flights are sorted by cheapest return flights first.

Deals found on 24/8

Best time to book a flight from Bristol to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from Bristol with our price prediction graph.
Estimated return 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 Bristol to Washington, D.C. Dulles Intl Airport

What is the cheapest month to book a flight from Bristol to Washington, D.C. Dulles Intl Airport?

Currently, January is the cheapest month in which you can book a flight from Bristol to Washington, D.C. Dulles Intl Airport (average of £599). Flying from Bristol to Washington, D.C. Dulles Intl Airport in July is currently the most expensive (average of £947). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from BRS to IAD?

Find hourly flight availability from Bristol to Dulles Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 25 August 2025.

A simple way to save on the total cost of your ticket is to fly from Bristol to Washington, D.C. Dulles Intl Airport at midday. If you’re flexible enough to do this you can expect to save up to 7% on your trip compared to booking a flight in the morning.

Reviews of airlines servicing Dulles Intl

Get insights into the airlines that provide service to Dulles Intl. 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 Dulles Intl. Reviews last updated 25 August 2025.
Read through reviews of airlines operating flights from Bristol to Washington, D.C. Dulles Intl Airport, such as KLM and Aer Lingus. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Overall

7.8

Comfort

7.7

Crew

8.4

Entertainment

7.1

Boarding

7.8

Food

7.3

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

Overall

7.8

Comfort

7.7

Crew

8.4

Entertainment

7.1

Boarding

7.8

Food

7.3

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

Overall

7.8

Comfort

7.7

Crew

8.4

Entertainment

7.1

Boarding

7.8

Food

7.3

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

Related info for your journey

Find useful and relevant information for your journey from Bristol to Dulles Intl. 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 from for flights from Bristol to Washington, D.C. Dulles Intl?

    If you book a flight to Washington, D.C. Dulles Intl from Bristol, you will be flying from Bristol, which is the city’s only airport. Bristol (BRS) is located 7.4 mi from the center of Bristol. There are 0 flights from Bristol to Washington, D.C. Dulles Intl per day from 2 different airlines.

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

    For as low as £564, KLM can have you in Washington, D.C. Dulles Intl Airport from Bristol in 14h 20m. Airlines will cover a distance of 3574 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from Bristol to Washington, D.C. Dulles Intl Airport round-trip?

    Flying on Aer Lingus is currently your cheapest option to Washington, D.C. Dulles Intl Airport, with prices starting at £536. Another option worth looking into is KLM, starting at £548 return. Users have found that Aer Lingus is 25% cheaper than the other options available to this destination.

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

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

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

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

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

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

  • What is the cheapest month to book a flight from Bristol to Washington, D.C. Dulles Intl Airport?

    Currently, January is the cheapest month in which you can book a flight from Bristol to Washington, D.C. Dulles Intl Airport (average of £599). Flying from Bristol to Washington, D.C. Dulles Intl Airport in July is currently the most expensive (average of £947). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near Washington, D.C. Dulles Intl Airport?

Book flights to Washington, D.C. Dulles Intl Airport if you plan to visit one of these locations
Silver Spring
Hanover
Oxon Hill
Woodbridge
Arlington
College Park
Laurel
Tysons

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Bristol to Dulles Intl

See prices for flight routes from nearby airports that may be better suited for you.

Top 2 airlines flying from Bristol to Dulles Intl

Discover the top 2 airlines that operate flights from Bristol to Dulles Intl. 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 858,174 searches. Data last updated 25 August 2025.
AirlineCheapestAverageFlexibilityOn-time
Aer LingusCheapest£536Average£690FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
KLMCheapest£548Average£723FlexibilityNo cancel feeOn-time75%
Search KLM flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Bristol to Dulles Intl?

Cheapflights helps you search for flights from Bristol to Dulles Intl via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from Bristol to Dulles Intl?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Dulles Intl from Bristol.

Can Cheapflights find flights from Bristol to Dulles Intl with no change fees?

Certainly. Search results for flights to Dulles Intl from Bristol shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Bristol to Dulles Intl become cheaper?

Not ready to book yet? You can track prices for flights from Bristol to Dulles Intl on Cheapflights with our Price Alert feature and get notified when better prices are available.

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