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Cheap flights from Brighton to Washington, D.C. Dulles Intl Airport from £338

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.
LHR — IAD
23 huhti — 30 huhti1
1 adult

Cheapflights Tip: The best prices from Brighton to Washington, D.C. Dulles Intl are usually found in March or February, booked 75 days in advance, depart on a Wednesday or Tuesday and return on a Monday

Cheap flight deals from Brighton to Dulles Intl

Keep the following information in mind while searching for Brighton to Dulles Intl flight deals. Data was last updated 18 huhtikuu 2025.

Round-trip from

£471

One-way from

£338

Popular in

July

Cheapest in

March

Average price

£549
Lufthansa
  • Lufthansa
  • 22/5-31/5
  • 3 total stops
  • 42h 37m total
  • Brighton to Washington, D.C.
Search Deals
TAP AIR PORTUGAL
  • TAP AIR PORTUGAL
  • 7/5
  • 1 total stop
  • 27h 55m total
  • Brighton to Washington, D.C.
Search Deals
Highest demand for flights based on searches. 11% potential increase in price (£55 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (£7 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 2025
Search Deals

Find flight deals from Brighton to Dulles Intl

Cheapest flights from Brighton to Dulles Intl
Explore the most affordable flight options available from Brighton to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 huhtikuu 2025.

to 22/509:00LHR - IAD
1 stop15h 25mLufthansa
la 31/522:23IAD - LHR
2 stops27h 12mLufthansa
Deal found 17/4£471
ke 23/421:25LHR - IAD
1 stop26h 55mIcelandair
to 1/520:30IAD - LHR
1 stop10h 25mIcelandair
Deal found 17/4£473
ke 23/422:00STN - IAD
2 stops26h 20mMultiple Airlines
to 1/520:30IAD - STN
2 stops15h 10mMultiple Airlines
Deal found 17/4£473
ma 5/509:00LTN - IAD
1 stop14h 55mMultiple Airlines
la 10/517:20IAD - LTN
1 stop11h 10mMultiple Airlines
Deal found 17/4£474
pe 17/1006:40LHR - IAD
1 stop18h 19mScandinavian Airlines
pe 7/1120:30IAD - LHR
2 stops17h 00mScandinavian Airlines
Deal found 17/4£476
pe 29/815:40LGW - IAD
1 stop11h 30mIcelandair
su 7/923:15IAD - LGW
1 stop10h 25mIcelandair
Deal found 18/4£480
to 24/411:05LGW - IAD
2 stops13h 15mMultiple Airlines
ke 30/420:30IAD - LGW
2 stops15h 35mMultiple Airlines
Deal found 17/4£481
la 26/408:30LHR - IAD
1 stop34h 41mAustrian Airlines
su 27/422:15IAD - LHR
Nonstop7h 25mAustrian Airlines
Deal found 18/4£487
ma 1/911:20LHR - IAD
1 stop14h 30mTAP AIR PORTUGAL
ma 8/922:20IAD - LHR
1 stop14h 25mTAP AIR PORTUGAL
Deal found 17/4£513
ma 28/408:40LHR - IAD
1 stop12h 35mMultiple Airlines
la 10/509:45IAD - LHR
1 stop19h 15mMultiple Airlines
Deal found 17/4£515
pe 25/408:40LHR - IAD
1 stop12h 35mSWISS
to 1/520:45IAD - LHR
1 stop11h 15mSWISS
Deal found 17/4£529
la 26/408:45LHR - IAD
1 stop12h 30mUnited Airlines
ma 12/515:36IAD - LHR
1 stop10h 09mUnited Airlines
Deal found 18/4£532

Cheapflights Fare Finder

Customise your flight search to find flights from Brighton 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 18 huhtikuu 2025.
Use the filters below to find and compare flights from Brighton to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Brighton

Fly to

Dulles Intl

Route

Depart

Return

Price

LondonWashington, D.C.

LHR - IAD

LHRIAD

London Heathrow

to 22/5

09:00-19:25

1 stop15h 25m

Washington, D.C. Dulles Intl

la 31/5

22:23-06:35

2 stops27h 12m

£471

LondonWashington, D.C.

LHR - IAD

LHRIAD

London Heathrow

ma 28/4

21:25-19:20

1 stop26h 55m

Washington, D.C. Dulles Intl

ma 12/5

20:30-20:20

1 stop18h 50m

£473

LondonWashington, D.C.

LTN - IAD

LTNIAD

London Luton

ma 5/5

09:00-18:55

1 stop14h 55m

Washington, D.C. Dulles Intl

la 10/5

17:20-09:30

1 stop11h 10m

£474

LondonWashington, D.C.

STN - IAD

STNIAD

London Stansted

ti 13/5

22:05-15:20

2 stops22h 15m

Washington, D.C. Dulles Intl

ma 26/5

14:25-14:00

2 stops18h 35m

£476

LondonWashington, D.C.

LHR - IAD

LHRIAD

London Heathrow

ma 22/9

10:20-19:59

1 stop14h 39m

Washington, D.C. Dulles Intl

ke 8/10

22:05-16:00

1 stop12h 55m

£476

LondonWashington, D.C.

LGW - IAD

LGWIAD

London Gatwick

pe 29/8

15:40-22:10

1 stop11h 30m

Washington, D.C. Dulles Intl

su 7/9

23:15-14:40

1 stop10h 25m

£480

LondonWashington, D.C.

LHR - IAD

LHRIAD

London Heathrow

to 1/5

06:00-15:20

1 stop14h 20m

Washington, D.C. Dulles Intl

ma 5/5

22:20-17:45

1 stop14h 25m

£482

LondonWashington, D.C.

LGW - IAD

LGWIAD

London Gatwick

ma 5/5

08:40-15:50

1 stop12h 10m

Washington, D.C. Dulles Intl

la 10/5

17:20-08:15

1 stop9h 55m

£484

LondonWashington, D.C.

LHR - IAD

LHRIAD

London Heathrow

ma 28/4

08:40-16:15

1 stop12h 35m

Washington, D.C. Dulles Intl

la 10/5

09:45-10:00

1 stop19h 15m

£515

LondonWashington, D.C.

LHR - IAD

LHRIAD

London Heathrow

ma 28/4

06:00-14:35

1 stop13h 35m

Washington, D.C. Dulles Intl

ma 12/5

22:15-10:40

Nonstop7h 25m

£519

Flights are sorted by cheapest return flights first.

Deals found on 17/4

Showing 1-10 of 60 results
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Best time to book a flight from Brighton to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from Brighton 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 Brighton to Washington, D.C. Dulles Intl Airport

How far ahead should I book a flight from Brighton to Washington, D.C. Dulles Intl Airport?

Use this chart to determine the optimal time to book a return flight from Brighton to Dulles Intl. Price data was last updated on 11 April 2025.

Booking 75 days in advance of your planned departure date is, on average, the best time to get cheap flights from Brighton to Washington, D.C. Dulles Intl Airport. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, January is the cheapest month in which you can book a flight from Brighton to Washington, D.C. Dulles Intl Airport (average of £599). Flying from Brighton 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 BH9 to IAD?

Find hourly flight availability from Brighton 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 18 huhtikuu 2025.

When flying from Brighton to Washington, D.C. Dulles Intl Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

What is the cheapest day to fly from Brighton to Washington, D.C. Dulles Intl Airport?

Use this chart to determine the cheapest time to fly return from Brighton to Dulles Intl. Price data was last updated on 2 June 2024.

Travellers seeking maximum savings on their Brighton to Washington, D.C. Dulles Intl Airport flight should consider departing on Sunday evenings when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Brighton to Washington, D.C. Dulles Intl Airport

Explore weekly flight availability from Brighton to Dulles Intl. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 18 huhtikuu 2025.

The most flights from BH9 to IAD are scheduled on a Monday (25 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (16 on average).

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 18 huhtikuu 2025.
To help decide which airline to fly from Brighton to Washington, D.C., see what other customers have to say about Delta, KLM and Finnair. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very Good
7,917 reviews
Check prices

Entertainment

7.9

Comfort

7.9

Crew

8.5

Overall

8.0

Food

7.3

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very Good
7,917 reviews
Delta
8.0
Very Good
7,917 reviews
Check prices

Entertainment

7.9

Comfort

7.9

Crew

8.5

Overall

8.0

Food

7.3

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
KLM
7.8
Good
1,329 reviews
Delta
8.0
Very Good
7,917 reviews
Check prices

Entertainment

7.9

Comfort

7.9

Crew

8.5

Overall

8.0

Food

7.3

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Finnair
7.6
Good
1,269 reviews
Delta
8.0
Very Good
7,917 reviews
Check prices

Entertainment

7.9

Comfort

7.9

Crew

8.5

Overall

8.0

Food

7.3

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Austrian Airlines
7.6
Good
775 reviews
Delta
8.0
Very Good
7,917 reviews
Check prices

Entertainment

7.9

Comfort

7.9

Crew

8.5

Overall

8.0

Food

7.3

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Air France
7.5
Good
1,435 reviews
Delta
8.0
Very Good
7,917 reviews
Check prices

Entertainment

7.9

Comfort

7.9

Crew

8.5

Overall

8.0

Food

7.3

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

Find useful and relevant information for your journey from Brighton 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 are the cheapest airlines to fly from Brighton to Washington, D.C. Dulles Intl Airport one-way?

    One-way options have recently been found by users for as low as £338 on TAP AIR PORTUGAL. Other airlines that offer cheap prices include WestJet from £418 and Aer Lingus from £436 one-way.

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

    The most popular flight routes from Brighton to Washington, D.C. Dulles Intl Airport are London Heathrow - Washington, D.C. Dulles Intl, London Gatwick - Washington, D.C. Dulles Intl and London City - Washington, D.C. Dulles Intl.

  • What are the most reliable airlines from Brighton to Washington, D.C. Dulles Intl Airport?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Brighton to Washington, D.C. Dulles Intl Airport on time: United Airlines (92%), Air Canada (90%), Austrian Airlines (90%).

  • What are the cheapest flights from Brighton to Washington, D.C. Dulles Intl Airport?

    Looking at all options, your cheapest flight can be booked for £378. While the most popular route (London Heathrow - Washington, D.C. Dulles Intl) can be booked for £319 on average our data indicates £1,288 when flying from Brighton to Washington, D.C. Dulles Intl Airport.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Brighton 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 Brighton to Washington, D.C. Dulles Intl Airport?

    Currently, January is the cheapest month in which you can book a flight from Brighton to Washington, D.C. Dulles Intl Airport (average of £599). Flying from Brighton 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 Brighton to Dulles Intl

See prices for flight routes from nearby airports that may be better suited for you.
Heathrow to Dulles Intl flights
Heathrow to Baltimore flights
Gatwick to Dulles Intl flights
Heathrow to Reagan-National flights
London City to Dulles Intl flights
Gatwick to Reagan-National flights
Gatwick to Baltimore flights
Stansted to Baltimore flights
Manchester to Dulles Intl flights
Stansted to Dulles Intl flights
Luton to Baltimore flights
London City to Reagan-National flights
Edinburgh to Dulles Intl flights
London City to Baltimore flights
Manchester to Baltimore flights
Luton to Dulles Intl flights
Manchester to Reagan-National flights
Edinburgh to Baltimore flights
Edinburgh to Reagan-National flights
Bristol to Dulles Intl flights
Bristol to Baltimore flights
Birmingham to Dulles Intl flights
Newcastle upon Tyne to Dulles Intl flights
Birmingham to Baltimore flights
Birmingham to Reagan-National flights
Newcastle upon Tyne to Baltimore flights
Bristol to Reagan-National flights
Newcastle upon Tyne to Reagan-National flights
Liverpool to Baltimore flights
Southend to Dulles Intl flights
Norwich to Dulles Intl flights
Southampton to Dulles Intl flights
Newquay to Baltimore flights
Southampton to Baltimore flights
Leeds to Dulles Intl flights
Leeds to Reagan-National flights
Leeds to Baltimore flights
Norwich to Baltimore flights
East Midlands to Baltimore flights
Exeter to Dulles Intl flights
Southampton to Reagan-National flights
Norwich to Reagan-National flights
Doncaster to Baltimore flights
Grimsby to Baltimore flights
Grimsby to Reagan-National flights
Grimsby to Dulles Intl flights
Doncaster to Dulles Intl flights

Top 10 airlines flying from Brighton to Dulles Intl

Discover the top 10 airlines that operate flights from Brighton 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 18 huhtikuu 2025.
AirlineCheapestAverageFlexibilityOn-time
PLAYCheapest£252Average£449FlexibilityNo cancel feeOn-timeN/A
Search PLAY flights
DeltaCheapest£323Average£771FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
IcelandairCheapest£352Average£517FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
TAP AIR PORTUGALCheapest£355Average£599FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
Brussels AirlinesCheapest£386Average£725FlexibilityNo cancel feeOn-timeN/A
Search Brussels Airlines flights
Scandinavian AirlinesCheapest£444Average£587FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
Air FranceCheapest£446Average£619FlexibilityNo cancel feeOn-time77%
Search Air France flights
FinnairCheapest£455Average£621FlexibilityNo cancel feeOn-time76%
Search Finnair flights
British AirwaysCheapest£472Average£630FlexibilityNo cancel feeOn-time70%
Search British Airways flights
LufthansaCheapest£474Average£675FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights

Fly with Cheapflights

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

Cheapflights makes it easy to find Brighton to Dulles Intl flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

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

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Brighton to Dulles Intl for you. Better yet — we are completely free to use.

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

Users can book flights with no change fees policies with our dedicated filters. Book flights from Brighton to Dulles Intl flexibly with Cheapflights today.

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Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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