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.

$268 Cheap Flights from Washington, D.C. to London Southend Airport in 2026

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Enter your travel dates to find the best prices.

8:40 pm - 9:00 pm

BWI

SEN

20h 20m

2 stops

7:10 am - 7:40 pm

SEN

BWI

16h 30m

2 stops

$614Multiple Airlines

Wed, Mar 18 - Wed, Mar 25

8:40 pm - 9:00 pm

BWI

SEN

20h 20m

2 stops

7:10 am - 7:40 pm

SEN

BWI

16h 30m

2 stops

$617Multiple Airlines

Wed, Mar 18 - Wed, Mar 25

8:40 pm - 9:00 pm

BWI

SEN

20h 20m

2 stops

7:10 am - 7:40 pm

SEN

BWI

16h 30m

2 stops

$618Multiple Airlines

Wed, Mar 18 - Wed, Mar 25

9:55 am - 12:50 pm

IAD

SEN

22h 55m

2 stops

6:05 pm - 9:05 pm

SEN

IAD

31h 00m

2 stops

$698Multiple Airlines

Thu, Mar 19 - Sun, Mar 22

9:55 am - 12:50 pm

IAD

SEN

22h 55m

2 stops

6:05 pm - 9:05 pm

SEN

IAD

31h 00m

2 stops

$710Multiple Airlines

Thu, Mar 19 - Sun, Mar 22

10:40 pm - 9:00 pm

IAD

SEN

18h 20m

1 stop

7:10 am - 8:30 pm

SEN

IAD

17h 20m

1 stop

$763Multiple Airlines

Wed, Mar 18 - Wed, Mar 25

8:30 pm - 9:25 pm

BWI

SEN

19h 55m

2 stops

5:30 pm - 7:25 pm

SEN

BWI

30h 55m

3 stops

$768Multiple Airlines

Wed, Apr 22 - Sun, Apr 26

12:55 pm - 1:00 pm

DCA

SEN

19h 05m

3 stops

7:25 am - 6:03 pm

SEN

DCA

15h 38m

2 stops

$778Multiple Airlines

Wed, Apr 22 - Sun, Apr 26

8:40 pm - 5:05 pm

IAD

SEN

16h 25m

2 stops

7:10 am - 7:30 pm

SEN

IAD

16h 20m

2 stops

$828Multiple Airlines

Sat, Mar 21 - Wed, Mar 25

11:05 am - 10:25 am

DCA

SEN

18h 20m

2 stops

7:25 am - 6:03 pm

SEN

DCA

15h 38m

2 stops

$882Multiple Airlines

Sat, Apr 18 - Sun, Apr 26

momondo Fare Finder

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

BaltimoreLondon

BWI - SEN

BWISEN

Baltimore/Washington

Wed 3/18

8:40 pm-9:00 pm

2 stops20h 20m

London Southend

Wed 3/25

7:10 am-7:40 pm

2 stops16h 30m

$614

BaltimoreLondon

BWI - SEN

BWISEN

Baltimore/Washington

Wed 3/18

8:40 pm-9:00 pm

2 stops20h 20m

London Southend

Wed 3/25

7:10 am-7:40 pm

2 stops16h 30m

$617

BaltimoreLondon

BWI - SEN

BWISEN

Baltimore/Washington

Wed 3/18

8:40 pm-9:00 pm

2 stops20h 20m

London Southend

Wed 3/25

7:10 am-7:40 pm

2 stops16h 30m

$618

Washington, D.C.London

IAD - SEN

IADSEN

Washington, D.C. Dulles Intl

Thu 3/19

9:55 am-12:50 pm

2 stops22h 55m

London Southend

Sun 3/22

6:05 pm-9:05 pm

2 stops31h 00m

$698

Washington, D.C.London

IAD - SEN

IADSEN

Washington, D.C. Dulles Intl

Thu 3/19

9:55 am-12:50 pm

2 stops22h 55m

London Southend

Sun 3/22

6:05 pm-9:05 pm

2 stops31h 00m

$710

Washington, D.C.London

IAD - SEN

IADSEN

Washington, D.C. Dulles Intl

Wed 3/18

10:40 pm-9:00 pm

1 stop18h 20m

London Southend

Wed 3/25

7:10 am-8:30 pm

1 stop17h 20m

$763

BaltimoreLondon

BWI - SEN

BWISEN

Baltimore/Washington

Wed 4/22

8:30 pm-9:25 pm

2 stops19h 55m

London Southend

Sun 4/26

5:30 pm-7:25 pm

3 stops30h 55m

$768

Washington, D.C.London

DCA - SEN

DCASEN

Washington, D.C. Reagan-National

Wed 4/22

12:55 pm-1:00 pm

3 stops19h 05m

London Southend

Sun 4/26

7:25 am-6:03 pm

2 stops15h 38m

$778

Washington, D.C.London

IAD - SEN

IADSEN

Washington, D.C. Dulles Intl

Sat 3/21

8:40 pm-5:05 pm

2 stops16h 25m

London Southend

Wed 3/25

7:10 am-7:30 pm

2 stops16h 20m

$828

Washington, D.C.London

DCA - SEN

DCASEN

Washington, D.C. Reagan-National

Sat 4/18

11:05 am-10:25 am

2 stops18h 20m

London Southend

Sun 4/26

7:25 am-6:03 pm

2 stops15h 38m

$882

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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 05m 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

Fastest flight time	11h 30m
Direct flights	None

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.

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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.

Gatwick

Hounslow

Milton Keynes

Luton

Dover

Slough

Crawley

Hayes

Wembley

Dartford

Brentwood

Croydon

Guildford

Harrow

Watford

Cobham

Folkestone

Romford

Stansted

Richmond

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.

An easier way to manage your London Southend Airport trip

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Cheap flights from Washington, D.C. to London from $268

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. to London departing on 3/18. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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

How long does it take to fly to London Southend Airport?

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

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

Fastest flight time

Direct flights

Traveling to a place near London?

Why use momondo?

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

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

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

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

An easier way to manage your London Southend Airport trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to London

Popular cities in the United Kingdom

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Washington, D.C. flight routes

According to popular flight searches on momondo this year

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List of cabin classes available on flights landing in London. Availability may vary depending on flight origin and airline.

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