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Cheap flights from Bristol to Washington, D.C. Dulles Intl Airport from £495

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 5/7. Fares are subject to change and may not be available on all flights or dates of travel.
BRS — IAD
18 Jun — 25 Jun1
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 13 June 2025.

Round-trip from

£579

One-way from

£495

Popular in

July

Cheapest in

February

Average price

£757
Aer Lingus
  • Aer Lingus
  • 21/10-1/11
  • 2 total stops
  • 26h 50m total
  • Bristol to Washington, D.C.
5/7
  • 5/7
  • 2 total stops
  • 32h 16m total
  • Bristol to Washington, D.C.
Highest demand for flights based on searches. 4% potential increase in price (£25 potential increase over avg. return price).
Cheapest flight prices on average. 1% potential price decrease (£6 potential savings vs. average return price).
Average for round-trip flights in June 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 13 June 2025.

Tue 21/1007:20BRS - IAD
1 stop13h 30mMultiple Airlines
Sat 1/1122:00IAD - BRS
1 stop13h 20mMultiple Airlines
Deal found 12/6£579
Tue 8/706:20BRS - IAD
1 stop14h 15mKLM
Thu 17/717:25IAD - BRS
1 stop14h 45mKLM
Deal found 11/6£651
Wed 9/706:15BRS - IAD
2 stops32h 04mVirgin Atlantic
Wed 16/706:00IAD - BRS
2 stops30h 00mVirgin Atlantic
Deal found 11/6£666
Tue 21/1009:20BRS - IAD
1 stop11h 15mDelta
Thu 30/1018:35IAD - BRS
1 stop9h 55mDelta
Deal found 12/6£681
Fri 8/812:25BRS - IAD
1 stop11h 30mAer Lingus
Sun 17/817:20IAD - BRS
1 stop9h 35mAer Lingus
Deal found 12/6£850

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 13 June 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

Tue 21/10

07:20-15:50

1 stop13h 30m

Washington, D.C. Dulles Intl

Sat 1/11

22:00-15:20

1 stop13h 20m

£579

BristolWashington, D.C.

BRS - IAD

BRSIAD

Bristol

Tue 8/7

06:20-15:35

1 stop14h 15m

Washington, D.C. Dulles Intl

Tue 15/7

17:25-22:05

1 stop23h 40m

£651

BristolWashington, D.C.

BRS - IAD

BRSIAD

Bristol

Wed 9/7

06:15-09:19

2 stops32h 04m

Washington, D.C. Dulles Intl

Wed 16/7

06:00-17:00

2 stops30h 00m

£666

BristolWashington, D.C.

BRS - IAD

BRSIAD

Bristol

Tue 21/10

09:20-15:35

1 stop11h 15m

Washington, D.C. Dulles Intl

Thu 30/10

18:35-08:30

1 stop9h 55m

£681

BristolWashington, D.C.

BRS - IAD

BRSIAD

Bristol

Fri 8/8

12:25-18:55

1 stop11h 30m

Washington, D.C. Dulles Intl

Sun 17/8

17:20-07:55

1 stop9h 35m

£850

BristolWashington, D.C.

BRS - IAD

BRSIAD

Bristol

Sat 5/7

07:00-10:16

2 stops32h 16m

£495

Flights are sorted by cheapest return flights first.

Deals found on 11/6

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 13 June 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.

Rainfall in Dulles Intl by month

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

In terms of precipitation, rainfall in Washington, D.C. Dulles Intl Airport ranges from 66.0 - 102.0 inches per month. May is typically the wettest month, when rainfall can reach 102.0 mm. February is typically the driest time to visit Washington, D.C. Dulles Intl Airport when rainfall is around 66.0 mm.

Temperature in Dulles Intl by month

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

If weather is an important factor for your trip to Washington, D.C. Dulles Intl Airport, 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 27.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 2.0 C).

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 13 June 2025.

Crew

8.5

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

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!
8.0
Very Good

Crew

8.5

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

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!

Crew

8.5

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

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!

Crew

8.5

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

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!

Crew

8.5

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

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 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.

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

    Flying on KLM is currently your cheapest option to Washington, D.C. Dulles Intl Airport, with prices starting at £651. Additional return tickets that might be worth considering are offered by Virgin Atlantic and Delta, with the lowest prices starting at £666 and £681, respectively. Users have found that KLM is 7% 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

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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 13 June 2025.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest£549Average£775FlexibilityNo cancel feeOn-time75%
Search KLM flights
Aer LingusCheapest£555Average£678FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus 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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