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Cheap flights from Washington, D.C. to London from $337

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 - 2:50 pmBWI  Baltimore/Washington-SEN London Southend
14h 10m2 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
$720Multiple Airlines
Sun, Nov 1 - Sun, Nov 8
Multiple Airlines Logo
7:40 pm - 4:40 pmIAD  Washington, D.C. Dulles Intl-SEN London Southend
16h 00m2 stops Reykjavik Keflavik Intl Amsterdam Schiphol
Multiple Airlines Logo
8:15 am - 6:30 pmSEN  London Southend-IAD Washington, D.C. Dulles Intl
15h 15m2 stops Amsterdam Schiphol Reykjavik Keflavik Intl
$742Multiple Airlines
Wed, Dec 9 - Tue, Dec 15
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
8:15 am - 6:40 pmSEN  London Southend-BWI Baltimore/Washington
15h 25m2 stops Amsterdam Schiphol Reykjavik Keflavik Intl
$756Multiple Airlines
Wed, Dec 9 - Tue, Dec 15
Multiple Airlines Logo
3:45 pm - 10:30 amIAD  Washington, D.C. Dulles Intl-SEN London Southend
13h 45m2 stops Montreal Pierre Elliott Trudeau Intl Paris Charles de Gaulle
Multiple Airlines Logo
7:50 am - 7:00 pmSEN  London Southend-IAD Washington, D.C. Dulles Intl
16h 10m2 stops Geneva Geneve-Cointrin Montreal Pierre Elliott Trudeau Intl
$1,050Multiple Airlines
Sun, Oct 4 - Mon, Oct 12
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
7:00 am - 7:25 pmSEN  London Southend-IAD Washington, D.C. Dulles Intl
17h 25m1 stop Munich Franz Josef Strauss
$2,625Multiple Airlines
Wed, Sep 23 - Sun, Sep 27
Multiple Airlines Logo
7:40 pm - 5:15 pmIAD  Washington, D.C. Dulles Intl-SEN London Southend
16h 35m2 stops Reykjavik Keflavik Intl Paris Charles de Gaulle
Multiple Airlines Logo
5:45 pm - 8:05 pmSEN  London Southend-IAD Washington, D.C. Dulles Intl
31h 20m1 stop Munich Franz Josef Strauss
$3,047Multiple Airlines
Thu, Dec 24 - Fri, Jan 1

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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

Sun 11/1

7:40 pm-2:50 pm

2 stops14h 10m

London Southend

Sun 11/8

3:35 pm-6:40 pm

2 stops32h 05m

$720

Washington, D.C.London

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

IADSEN

Washington, D.C. Dulles Intl

Wed 12/9

7:40 pm-4:40 pm

2 stops16h 00m

London Southend

Tue 12/15

8:15 am-6:30 pm

2 stops15h 15m

$742

BaltimoreLondon

BWI Baltimore/Washington - SEN London Southend

BWISEN

Baltimore/Washington

Wed 12/9

7:40 pm-4:40 pm

2 stops16h 00m

London Southend

Tue 12/15

8:15 am-6:40 pm

2 stops15h 25m

$756
Quickest round-trip

Washington, D.C.London

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

IADSEN

Washington, D.C. Dulles Intl

Sun 10/4

3:45 pm-10:30 am

2 stops13h 45m

London Southend

Mon 10/12

7:50 am-7:00 pm

2 stops16h 10m

$1,050

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

Sun 9/27

7:00 am-7:25 pm

1 stop17h 25m

$2,625

Washington, D.C.London

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

IADSEN

Washington, D.C. Dulles Intl

Thu 12/24

7:40 pm-5:15 pm

2 stops16h 35m

London Southend

Fri 1/1

5:45 pm-8:05 pm

1 stop31h 20m

$3,047
Cheapest one-way
Quickest one-way

Washington, D.C.London

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

IADSEN

Washington, D.C. Dulles Intl

Wed 12/9

8:50 pm-10:35 pm

2 stops20h 45m

$337

BaltimoreLondon

BWI Baltimore/Washington - SEN London Southend

BWISEN

Baltimore/Washington

Thu 10/15

11:20 pm-8:40 am

3 stops28h 20m

$344

Washington, D.C.London

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

IADSEN

Washington, D.C. Dulles Intl

Mon 11/9

7:40 pm-10:25 pm

3 stops21h 45m

$348

BaltimoreLondon

BWI Baltimore/Washington - SEN London Southend

BWISEN

Baltimore/Washington

Mon 11/9

7:40 pm-10:25 pm

3 stops21h 45m

$349

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 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 long does it take to fly to London Southend Airport?

Flight times from Washington, D.C. to London Southend Airport vary, but if you’re flying out of Baltimore and flying into London Heathrow Airport (one of the most popular routes), then the duration is 7h 10m on average. Another popular route from Washington, D.C. to London Southend Airport is flying from Washington, D.C. to London Heathrow Airport, which will take roughly 8h 12m. Keep in mind that layovers or delays could extend your travel time.

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

$337

Fastest flight time

13h 45m

Direct flights

None
The best one-way flight to London Southend Airport from Washington, D.C. in the past 72 hours is $337. The best round-trip flight deal from Washington, D.C. to London Southend Airport found on momondo in the last 72 hours is $720.
The fastest flight from Washington, D.C. to London Southend Airport takes 13h 45m
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.
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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 13h 45m.

  • 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
Hayes
Wembley
Luton
Croydon
Dover
Richmond
Stansted
Kingston upon Thames
Harrow
Cobham
Watford
Slough
Eastbourne
Worthing
Hook
Uxbridge
Romford

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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