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.

$461 Cheap Flights from London Southend Airport to Washington, D.C. Dulles Intl Airport in 2026

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

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10:10 am - 7:35 pmSEN London Southend-IAD Washington, D.C. Dulles Intl

14h 25m1 stop Paris Charles de Gaulle

6:15 pm - 1:00 pmIAD Washington, D.C. Dulles Intl-SEN London Southend

13h 45m1 stop Paris Charles de Gaulle

$1,001Multiple Airlines

Thu, Sep 3 - Wed, Sep 9

8:25 am - 5:20 amSEN London Southend-IAD Washington, D.C. Dulles Intl

25h 55m2 stops Barcelona-El Prat Bogotá El Dorado

9:45 pm - 10:45 amIAD Washington, D.C. Dulles Intl-SEN London Southend

32h 00m1 stop Paris Charles de Gaulle

$1,050Multiple Airlines

Wed, Oct 7 - Wed, Oct 14

7:35 am - 3:55 pmSEN London Southend-IAD Washington, D.C. Dulles Intl

13h 20m1 stop Amsterdam Schiphol

6:15 pm - 9:55 amIAD Washington, D.C. Dulles Intl-SEN London Southend

10h 40m1 stop Amsterdam Schiphol

$1,365Multiple Airlines

Fri, Nov 20 - Fri, Nov 27

6:30 am - 7:00 pmSEN London Southend-IAD Washington, D.C. Dulles Intl

17h 30m2 stops Malaga Casablanca Mohamed V

5:40 pm - 1:30 pmIAD Washington, D.C. Dulles Intl-SEN London Southend

14h 50m2 stops Lisbon Humberto Delgado Malaga

$1,369Multiple Airlines

Fri, Sep 4 - Mon, Sep 7

7:00 am - 7:00 pmSEN London Southend-IAD Washington, D.C. Dulles Intl

17h 00m2 stops Malaga Casablanca Mohamed V

10:20 pm - 10:20 pmIAD Washington, D.C. Dulles Intl-SEN London Southend

19h 00m2 stops Munich Franz Josef Strauss Malaga

$1,516Multiple Airlines

Tue, Sep 8 - Tue, Sep 8

1:55 pm - 8:35 pmSEN London Southend-IAD Washington, D.C. Dulles Intl

35h 40m2 stops Marrakech Menara Lisbon Humberto Delgado

6:10 pm - 4:40 pmIAD Washington, D.C. Dulles Intl-SEN London Southend

17h 30m1 stop Amsterdam Schiphol

$1,892Multiple Airlines

Thu, Sep 3 - Wed, Sep 9

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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 round-trip

LondonWashington, D.C.

SEN London Southend - IAD Washington, D.C. Dulles Intl

SENIAD

London Southend

Thu 9/3

10:10 am-7:35 pm

1 stop14h 25m

Washington, D.C. Dulles Intl

Wed 9/9

6:15 pm-1:00 pm

1 stop13h 45m

$1,001

LondonWashington, D.C.

SEN London Southend - IAD Washington, D.C. Dulles Intl

SENIAD

London Southend

Wed 10/7

8:25 am-5:20 am

2 stops25h 55m

Washington, D.C. Dulles Intl

Wed 10/14

9:45 pm-10:45 am

1 stop32h 00m

$1,050

Quickest round-trip

LondonWashington, D.C.

SEN London Southend - IAD Washington, D.C. Dulles Intl

SENIAD

London Southend

Fri 11/20

7:35 am-3:55 pm

1 stop13h 20m

Washington, D.C. Dulles Intl

Fri 11/27

6:15 pm-9:55 am

1 stop10h 40m

$1,365

LondonWashington, D.C.

SEN London Southend - IAD Washington, D.C. Dulles Intl

SENIAD

London Southend

Fri 9/4

6:30 am-7:00 pm

2 stops17h 30m

Washington, D.C. Dulles Intl

Mon 9/7

5:40 pm-1:30 pm

2 stops14h 50m

$1,369

LondonWashington, D.C.

SEN London Southend - IAD Washington, D.C. Dulles Intl

SENIAD

London Southend

Tue 9/8

7:00 am-7:00 pm

2 stops17h 00m

Washington, D.C. Dulles Intl

Tue 9/8

10:20 pm-10:20 pm

2 stops19h 00m

$1,516

LondonWashington, D.C.

SEN London Southend - IAD Washington, D.C. Dulles Intl

SENIAD

London Southend

Thu 9/3

1:55 pm-8:35 pm

2 stops35h 40m

Washington, D.C. Dulles Intl

Wed 9/9

6:10 pm-4:40 pm

1 stop17h 30m

$1,892

Cheapest one-way

LondonWashington, D.C.

SEN London Southend - IAD Washington, D.C. Dulles Intl

SENIAD

London Southend

Tue 9/1

6:30 am-3:10 pm

2 stops37h 40m

$461

LondonWashington, D.C.

SEN London Southend - IAD Washington, D.C. Dulles Intl

SENIAD

London Southend

Tue 9/1

6:30 am-3:10 pm

2 stops37h 40m

$462

LondonWashington, D.C.

SEN London Southend - IAD Washington, D.C. Dulles Intl

SENIAD

London Southend

Mon 9/28

4:00 pm-3:45 pm

3 stops52h 45m

$468

Quickest one-way

LondonWashington, D.C.

SEN London Southend - IAD Washington, D.C. Dulles Intl

SENIAD

London Southend

Wed 11/11

5:20 pm-7:30 pm

3 stops31h 10m

$469

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 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?

Our data shows that Thursday is the least expensive day to fly to Washington, D.C. Dulles Intl Airport. Tickets to fly out on this day can be as low as $738. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from London Southend Airport to Washington, D.C. Dulles Intl Airport for around $833.

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

Flying to Washington, D.C. Dulles Intl Airport from London Southend Airport in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $772 when looking at flights departing in the afternoon. If you have a flexible travel schedule, then try to avoid flying at noon when prices are $805 on average. Flights to Washington, D.C. Dulles Intl Airport from London Southend Airport at noon are generally more expensive because this time of day is more convenient for travelers’ schedules.

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 round-trip 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

Best Price Found	$461
Fastest flight time	17h 00m
Direct flights	None

The best one-way flight to Washington, D.C. Dulles Intl Airport from London Southend Airport in the past 72 hours is $461. The best round-trip flight deal from London Southend Airport to Washington, D.C. Dulles Intl Airport found on momondo in the last 72 hours is $1,001.

The fastest flight from London Southend Airport to Washington, D.C. Dulles Intl Airport takes 17h 00m

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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Frequently asked questions about flying from London Southend Airport to Washington, D.C. Dulles Intl Airport

How far is London Southend to Washington, D.C. Dulles Intl by plane?
London Southend and Washington, D.C. Dulles Intl are 3709.0 mi apart from one another. A reasonable flight in good conditions will take 17h 00m.
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?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, 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.

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Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Washington, D.C. from London.

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

Flights from London to Washington, D.C. with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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.