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Cheap flights from Washington, D.C. to London from $336

1 adult
1 adult, Economy, 0 bags

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

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
7:40 pm - 10:05 pmBWI  Baltimore/Washington-SEN London Southend
21h 25m2 stops Reykjavik Keflavik Intl Amsterdam Schiphol
Multiple Airlines Logo
3:35 pm - 6:40 pmSEN  London Southend-BWI Baltimore/Washington
32h 05m2 stops Amsterdam Schiphol Reykjavik Keflavik Intl
$729Multiple Airlines
Sat, Nov 14 - Sun, Nov 22
Multiple Airlines Logo
7:40 pm - 4:40 pmBWI  Baltimore/Washington-SEN London Southend
16h 00m2 stops Reykjavik Keflavik Intl Amsterdam Schiphol
Multiple Airlines Logo
3:35 pm - 6:40 pmSEN  London Southend-BWI Baltimore/Washington
32h 05m2 stops Amsterdam Schiphol Reykjavik Keflavik Intl
$731Multiple Airlines
Wed, Dec 9 - Sun, Dec 13
Multiple Airlines Logo
7:40 pm - 6:10 pmBWI  Baltimore/Washington-SEN London Southend
17h 30m2 stops Reykjavik Keflavik Intl Amsterdam Schiphol
Multiple Airlines Logo
3:35 pm - 6:40 pmSEN  London Southend-BWI Baltimore/Washington
32h 05m2 stops Amsterdam Schiphol Reykjavik Keflavik Intl
$777Multiple Airlines
Sat, Dec 5 - Sun, Dec 13
Multiple Airlines Logo
7:40 pm - 2:50 pmIAD  Washington, D.C. Dulles Intl-SEN London Southend
14h 10m2 stops Reykjavik Keflavik Intl Amsterdam Schiphol
Multiple Airlines Logo
7:15 am - 6:30 pmSEN  London Southend-IAD Washington, D.C. Dulles Intl
16h 15m2 stops Amsterdam Schiphol Reykjavik Keflavik Intl
$811Multiple Airlines
Sun, Nov 8 - Sat, Nov 14
Multiple Airlines Logo
5:25 pm - 6:55 pmIAD  Washington, D.C. Dulles Intl-SEN London Southend
20h 30m2 stops Lisbon Humberto Delgado Berlin Brandenburg
Multiple Airlines Logo
5:20 pm - 3:15 pmSEN  London Southend-IAD Washington, D.C. Dulles Intl
26h 55m2 stops Berlin Brandenburg Lisbon Humberto Delgado
$857Multiple Airlines
Thu, Nov 26 - Wed, Dec 2
Multiple Airlines Logo
6:15 pm - 10:45 amIAD  Washington, D.C. Dulles Intl-SEN London Southend
11h 30m1 stop Paris Charles de Gaulle
Multiple Airlines Logo
6:30 am - 7:10 pmSEN  London Southend-IAD Washington, D.C. Dulles Intl
17h 40m2 stops Malaga Dublin
$1,130Multiple Airlines
Thu, Oct 1 - Thu, Oct 8
Multiple Airlines Logo
6:15 pm - 10:45 amIAD  Washington, D.C. Dulles Intl-SEN London Southend
11h 30m1 stop Paris Charles de Gaulle
Multiple Airlines Logo
10:10 am - 7:35 pmSEN  London Southend-IAD Washington, D.C. Dulles Intl
14h 25m1 stop Paris Charles de Gaulle
$1,140Multiple Airlines
Thu, Oct 1 - Thu, Oct 8
Multiple Airlines Logo
3:25 pm - 11:35 amIAD  Washington, D.C. Dulles Intl-SEN London Southend
15h 10m2 stops Frankfurt am Main Munich Franz Josef Strauss
Multiple Airlines Logo
7:20 am - 7:25 pmSEN  London Southend-IAD Washington, D.C. Dulles Intl
17h 05m1 stop Munich Franz Josef Strauss
$1,233Multiple Airlines
Wed, Sep 23 - Thu, Oct 1
Multiple Airlines Logo
5:45 pm - 2:50 pmIAD  Washington, D.C. Dulles Intl-SEN London Southend
16h 05m1 stop Amsterdam Schiphol
Multiple Airlines Logo
7:15 am - 3:55 pmSEN  London Southend-IAD Washington, D.C. Dulles Intl
13h 40m1 stop Amsterdam Schiphol
$2,488Multiple Airlines
Sun, Dec 27 - Sat, Jan 2

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BaltimoreLondon

BWI Baltimore/Washington - SEN London Southend

BWISEN

Baltimore/Washington

Sat 11/14

7:40 pm-10:05 pm

2 stops21h 25m

London Southend

Sun 11/22

3:35 pm-6:40 pm

2 stops32h 05m

$729

BaltimoreLondon

BWI Baltimore/Washington - SEN London Southend

BWISEN

Baltimore/Washington

Wed 12/9

7:40 pm-4:40 pm

2 stops16h 00m

London Southend

Sun 12/13

3:35 pm-6:40 pm

2 stops32h 05m

$731

BaltimoreLondon

BWI Baltimore/Washington - SEN London Southend

BWISEN

Baltimore/Washington

Sat 12/5

7:40 pm-6:10 pm

2 stops17h 30m

London Southend

Sun 12/13

3:35 pm-6:40 pm

2 stops32h 05m

$777

Washington, D.C.London

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

IADSEN

Washington, D.C. Dulles Intl

Sun 11/8

7:40 pm-2:50 pm

2 stops14h 10m

London Southend

Sat 11/14

7:15 am-6:30 pm

2 stops16h 15m

$811

Washington, D.C.London

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

IADSEN

Washington, D.C. Dulles Intl

Thu 11/26

5:25 pm-6:55 pm

2 stops20h 30m

London Southend

Wed 12/2

5:20 pm-3:15 pm

2 stops26h 55m

$857

Washington, D.C.London

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

IADSEN

Washington, D.C. Dulles Intl

Thu 10/1

6:15 pm-10:45 am

1 stop11h 30m

London Southend

Thu 10/8

6:30 am-7:10 pm

2 stops17h 40m

$1,130
Quickest round-trip

Washington, D.C.London

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

IADSEN

Washington, D.C. Dulles Intl

Thu 10/1

6:15 pm-10:45 am

1 stop11h 30m

London Southend

Thu 10/8

10:10 am-7:35 pm

1 stop14h 25m

$1,140

Washington, D.C.London

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

IADSEN

Washington, D.C. Dulles Intl

Wed 9/23

3:25 pm-11:35 am

2 stops15h 10m

London Southend

Thu 10/1

7:20 am-7:25 pm

1 stop17h 05m

$1,233

Washington, D.C.London

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

IADSEN

Washington, D.C. Dulles Intl

Sun 12/27

5:45 pm-2:50 pm

1 stop16h 05m

London Southend

Sat 1/2

7:15 am-3:55 pm

1 stop13h 40m

$2,488
Cheapest one-way

BaltimoreLondon

BWI Baltimore/Washington - SEN London Southend

BWISEN

Baltimore/Washington

Thu 10/15

11:20 pm-8:40 am

3 stops28h 20m

$336

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 19 resultsSorted by cheapest first
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See travel insights to London from

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

How often are flights from Washington, D.C. to London delayed?

Historically, on average around 0% of flights between Washington, D.C. and London have experienced a delay on any given week. The average delay length over the past 12 months has been 0 minutes.

What is the most punctual flight time for Washington, D.C. to London flights?

Generally, flights departing in the early afternoon tend to experience fewer delays. Flights in the early afternoon have, in the past, seen delays more frequently in comparison.

What day of the week experiences the fewest flight delays on this route?

Friday is statistically the day of the week which experiences the fewest number of delays on this flight route. Friday has historically seen more delays on average compared to the rest of the week.

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

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

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

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

Best Price Found

$336

Fastest flight time

11h 30m

Direct flights

None
The best one-way flight to London Southend Airport from Washington, D.C. in the past 72 hours is $336. The best round-trip flight deal from Washington, D.C. to London Southend Airport found on momondo in the last 72 hours is $729.
The fastest flight from Washington, D.C. to London Southend Airport takes 11h 30m
There are no direct flights from Washington, D.C. to London Southend Airport. There are no popular flight routes from Washington, D.C. to London Southend Airport.
Search flight deals

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

  • How far is Washington, D.C. to London Southend by plane?

    The straight-line distance from Washington, D.C. to London Southend is 3694.1 mi. A reasonable flight in good conditions will take 11h 30m.

  • When did momondo last update prices for flights from Washington, D.C. to London Southend Airport?

    Prices for flights from Washington, D.C. to London Southend Airport were last updated today.

  • How old do you have to be to fly from Washington, D.C. to London Southend 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 Washington, D.C. to London Southend Airport.

  • What documentation or ID do you need to fly to London Southend Airport?

    The necessary travel and health documents for your London Southend Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Traveling to a place near London?

Book flights to London if you plan to visit one of these locations
Hounslow
Gatwick
Milton Keynes
Luton
Hayes
Wembley
Croydon
Dover
Stansted
Richmond
Kingston upon Thames
Harrow
Watford
Cobham
Slough
Uxbridge
Eastbourne
Worthing
Romford
Ilford

Why use momondo?

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

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 London from Washington, D.C..

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

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

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

Once all potential Washington, D.C. to London flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Price alerts on flights to London from Washington, D.C. are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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