What documentation or ID do you need to fly to Washington, D.C. Dulles Intl Airport?

The travel and health documents you'll need for your trip to Washington, D.C. Dulles Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Washington, D.C. Dulles Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

£395 Cheap Flights from London Southend Airport to Washington, D.C. Dulles Intl Airport in 2026

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Find the cheapest flights from London Southend Airport to Washington, D.C.

Round-trip

One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

07:05 - 19:00

SEN

IAD

16h 55m

2 stops

20:30 - 21:25

IAD

SEN

19h 55m

2 stops

£687Multiple Airlines

Wed, 15 Apr - Wed, 22 Apr

11:10 - 22:59

SEN

IAD

16h 49m

2 stops

18:15 - 10:45

IAD

SEN

11h 30m

1 stop

£898Multiple Airlines

Mon, 6 Apr - Thu, 16 Apr

07:35 - 20:30

SEN

IAD

16h 55m

2 stops

18:10 - 21:25

IAD

SEN

22h 15m

2 stops

£917Multiple Airlines

Fri, 27 Mar - Wed, 8 Apr

10:10 - 19:35

SEN

IAD

14h 25m

1 stop

18:15 - 10:45

IAD

SEN

11h 30m

1 stop

£929Multiple Airlines

Thu, 16 Apr - Thu, 23 Apr

07:25 - 19:35

SEN

IAD

17h 10m

1 stop

18:15 - 10:30

IAD

SEN

11h 15m

1 stop

£991Multiple Airlines

Sun, 12 Apr - Sun, 19 Apr

07:15 - 17:05

SEN

IAD

13h 50m

1 stop

21:45 - 19:35

IAD

SEN

16h 50m

2 stops

£1,120Multiple Airlines

Sat, 28 Mar - Sun, 12 Apr

16:55 - 15:35

SEN

IAD

27h 40m

1 stop

22:35 - 07:55

IAD

SEN

28h 20m

2 stops

£1,731Multiple Airlines

Mon, 27 Apr - Mon, 4 May

momondo Fare Finder

Use the filters below to find and compare flights from London Southend Airport to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonWashington, D.C.

SEN - IAD

SENIAD

London Southend

Wed 15/4

07:05-19:00

2 stops16h 55m

Washington, D.C. Dulles Intl

Wed 22/4

20:30-21:25

2 stops19h 55m

£687

LondonWashington, D.C.

SEN - IAD

SENIAD

London Southend

Mon 6/4

11:10-22:59

2 stops16h 49m

Washington, D.C. Dulles Intl

Thu 16/4

18:15-10:45

1 stop11h 30m

£898

LondonWashington, D.C.

SEN - IAD

SENIAD

London Southend

Fri 27/3

07:35-20:30

2 stops16h 55m

Washington, D.C. Dulles Intl

Wed 8/4

18:10-21:25

2 stops22h 15m

£917

Fastest return journey

LondonWashington, D.C.

SEN - IAD

SENIAD

London Southend

Thu 16/4

10:10-19:35

1 stop14h 25m

Washington, D.C. Dulles Intl

Thu 23/4

18:15-10:45

1 stop11h 30m

£929

LondonWashington, D.C.

SEN - IAD

SENIAD

London Southend

Sun 12/4

07:25-19:35

1 stop17h 10m

Washington, D.C. Dulles Intl

Sun 19/4

18:15-10:30

1 stop11h 15m

£991

LondonWashington, D.C.

SEN - IAD

SENIAD

London Southend

Sat 28/3

07:15-17:05

1 stop13h 50m

Washington, D.C. Dulles Intl

Sun 12/4

21:45-19:35

2 stops16h 50m

£1,120

LondonWashington, D.C.

SEN - IAD

SENIAD

London Southend

Mon 27/4

16:55-15:35

1 stop27h 40m

Washington, D.C. Dulles Intl

Mon 4/5

22:35-07:55

2 stops28h 20m

£1,731

Cheapest one-way

Fastest single journey

LondonWashington, D.C.

SEN - IAD

SENIAD

London Southend

Wed 1/7

07:05-19:00

2 stops16h 55m

£395

LondonWashington, D.C.

SEN - IAD

SENIAD

London Southend

Thu 9/4

20:40-20:35

3 stops28h 55m

£402

LondonWashington, D.C.

SEN - IAD

SENIAD

London Southend

Tue 31/3

06:30-20:35

2 stops43h 05m

£403

Flights are sorted by cheapest return flights first.

Showing 1-10 of 17 resultsSorted by cheapest first

How to get the cheapest flight ticket from London Southend Airport to Washington, D.C. Dulles Intl Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to Washington, D.C. Dulles Intl Airport?

According to our data, Thursday is the cheapest day to fly to Washington, D.C. Dulles Intl Airport from London Southend Airport. The lowest ticket price found for a Thursday departure recently was £582. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. On the other hand, Sunday is the most expensive day to depart from London Southend Airport because it is more convenient for both business and leisure travellers. As a result, prices tend to be around £632.

What is the cheapest time of day to depart on your flight to Washington, D.C. Dulles Intl Airport?

The cheapest time of day to fly to Washington, D.C. Dulles Intl Airport is at midday when flights can be purchased for as low as £585. In contrast, the most expensive time of day to depart to Washington, D.C. Dulles Intl Airport is in the morning when prices are around £598.

When to book flights from London Southend Airport to Washington, D.C. Dulles Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from London Southend Airport to Washington, D.C. Dulles Intl Airport according to our flight data. Find out which month and days have the cheapest flights.

Estimated return price

Cheap London Southend Airport to Washington, D.C. Dulles Intl Airport (SEN to IAD) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from London Southend Airport to Washington, D.C. Dulles Intl Airport

Fastest flight time	17h 10m
Direct flights	None

The fastest flight from London Southend Airport to Washington, D.C. Dulles Intl Airport takes 17h 10m

There are no direct flights from London Southend Airport to Washington, D.C. Dulles Intl Airport. There are no popular flight routes from London Southend Airport to Washington, D.C. Dulles Intl Airport.

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How far is London Southend to Washington, D.C. Dulles Intl by plane?
A flight from London Southend to Washington, D.C. Dulles Intl will travel around 3709.0 mi. 17h 10m is a normal flight duration for this route.
When did momondo last update prices for flights from London Southend Airport to Washington, D.C. Dulles Intl Airport?
Prices for flights from London Southend Airport to Washington, D.C. Dulles Intl Airport are updated daily.
How old do you have to be to fly from London Southend Airport to Washington, D.C. Dulles Intl Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from London Southend Airport to Washington, D.C. Dulles Intl Airport.
What documentation or ID do you need to fly to Washington, D.C. Dulles Intl Airport?
The travel and health documents you'll need for your trip to Washington, D.C. Dulles Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Washington, D.C. Dulles Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Laurel

College Park

Arlington

Fairfax

Linthicum Heights

Alexandria

Glen Burnie

Front Royal

Lutherville Timonium

Winchester

Ellicott City

Cambridge

Lexington Park

Leesburg

Westminster

Woodbridge

Ashburn

Sterling

Bethesda

Silver Spring

Why use momondo?

Why should I use momondo to find a flight deal from London to Washington, D.C.?

It is quick and easy to find London to Washington, D.C. flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Washington, D.C. that suits you.

Can I find flights from London to Washington, D.C. with flexible booking policies on momondo?

Yes. All flights to Washington, D.C. from London on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from London to Washington, D.C.?

momondo helps you find the best flight between London and Washington, D.C. by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from London to Washington, D.C. right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Washington, D.C., momondo offers a useful price alert feature which will track prices for flights to Washington, D.C. from London and alert you when they change.