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Cheap flights from District of Columbia to London from $412

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from District of Columbia to London departing on 6/14. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from District of Columbia to London

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
6:00 am - 7:35 pm
IAD
-
SEN
32h 35m
3 stops
Multiple Airlines Logo
2:40 pm - 8:35 pm
SEN
-
IAD
34h 55m
3 stops
$1,093Multiple Airlines
Thu, Jun 4 - Tue, Jun 9
Multiple Airlines Logo
12:29 pm - 10:45 am
IAD
-
SEN
17h 16m
2 stops
Multiple Airlines Logo
11:20 am - 7:35 pm
SEN
-
IAD
13h 15m
1 stop
$1,429Multiple Airlines
Fri, Jul 3 - Fri, Jul 10
Multiple Airlines Logo
6:15 pm - 10:45 am
IAD
-
SEN
11h 30m
1 stop
Multiple Airlines Logo
11:20 am - 7:35 pm
SEN
-
IAD
13h 15m
1 stop
$1,444Multiple Airlines
Fri, Jul 3 - Fri, Jul 10
Multiple Airlines Logo
5:40 pm - 6:50 pm
IAD
-
SEN
20h 10m
1 stop
Multiple Airlines Logo
4:25 pm - 3:10 pm
SEN
-
IAD
51h 45m
2 stops
$1,464Multiple Airlines
Sun, Jul 12 - Sun, Jul 19
Multiple Airlines Logo
9:45 pm - 6:50 pm
IAD
-
SEN
16h 05m
2 stops
Multiple Airlines Logo
7:35 am - 3:35 pm
SEN
-
IAD
13h 00m
1 stop
$1,552Multiple Airlines
Sun, Jul 12 - Sun, Jul 19
Multiple Airlines Logo
5:40 pm - 6:50 pm
IAD
-
SEN
20h 10m
1 stop
Multiple Airlines Logo
7:50 pm - 4:05 pm
SEN
-
IAD
25h 15m
1 stop
$2,755Multiple Airlines
Sun, Jul 12 - Sun, Jul 19

momondo Fare Finder

 
Customize your flight search to find flights from District of Columbia to London Southend Airport that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated June 1, 2026.
Use the filters below to find and compare flights from District of Columbia to London Southend Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.London

IAD - SEN

IADSEN

Washington, D.C. Dulles Intl

Thu 6/4

6:00 am-7:35 pm

3 stops32h 35m

London Southend

Tue 6/9

2:40 pm-8:35 pm

3 stops34h 55m

$1,093

Washington, D.C.London

IAD - SEN

IADSEN

Washington, D.C. Dulles Intl

Fri 7/3

12:29 pm-10:45 am

2 stops17h 16m

London Southend

Fri 7/10

11:20 am-7:35 pm

1 stop13h 15m

$1,429
Quickest round-trip

Washington, D.C.London

IAD - SEN

IADSEN

Washington, D.C. Dulles Intl

Fri 7/3

6:15 pm-10:45 am

1 stop11h 30m

London Southend

Fri 7/10

11:20 am-7:35 pm

1 stop13h 15m

$1,444

Washington, D.C.London

IAD - SEN

IADSEN

Washington, D.C. Dulles Intl

Sun 7/12

5:40 pm-6:50 pm

1 stop20h 10m

London Southend

Sun 7/19

4:25 pm-3:10 pm

2 stops51h 45m

$1,464

Washington, D.C.London

IAD - SEN

IADSEN

Washington, D.C. Dulles Intl

Sun 7/12

9:45 pm-6:50 pm

2 stops16h 05m

London Southend

Sun 7/19

7:35 am-3:35 pm

1 stop13h 00m

$1,552

Washington, D.C.London

IAD - SEN

IADSEN

Washington, D.C. Dulles Intl

Sun 7/12

5:40 pm-6:50 pm

1 stop20h 10m

London Southend

Sun 7/19

7:50 pm-4:05 pm

1 stop25h 15m

$2,755
Cheapest one-way

Washington, D.C.London

IAD - SEN

IADSEN

Washington, D.C. Dulles Intl

Sun 6/14

4:05 pm-1:30 pm

3 stops40h 25m

$412

Washington, D.C.London

IAD - SEN

IADSEN

Washington, D.C. Dulles Intl

Sun 6/14

4:05 pm-7:50 pm

3 stops46h 45m

$415

Washington, D.C.London

IAD - SEN

IADSEN

Washington, D.C. Dulles Intl

Sat 8/1

8:30 pm-7:20 am

3 stops29h 50m

$427

Washington, D.C.London

IAD - SEN

IADSEN

Washington, D.C. Dulles Intl

Sun 6/14

4:05 pm-1:30 pm

3 stops40h 25m

$428

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 resultsSorted by cheapest first
1
2

Cheap District of Columbia to London Southend Airport flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from District of Columbia to London Southend Airport

Fastest flight time

15h 20m

Direct flights

None
The fastest flight from District of Columbia to London Southend Airport takes 15h 20m
There are no direct flights from District of Columbia to London Southend Airport. There are no popular flight routes from District of Columbia to London Southend Airport.
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Frequently asked questions about flying from District of Columbia to London Southend Airport

  • When did momondo last update prices for flights from District of Columbia to London Southend Airport?

    Prices for flights from District of Columbia to London Southend Airport are refreshed on a daily basis.

  • How old do you have to be to fly from District of Columbia 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 District of Columbia to London Southend Airport.

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

    The required travel and health documents for your London Southend Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at London Southend Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Frequently asked questions about flying from District of Columbia to London Southend Airport

  • How do I get Price Alerts for flights from District of Columbia to London Southend Airport?

    You can take advantage of momondo’s Price Alerts by first searching for your flights to District of Columbia from London Southend Airport. Flight offers will be shown to you in real-time. From there you can create a Price Alert by using our on-site widget.

  • How can I save money on flights from District of Columbia to London Southend Airport with momondo?

    Leverage our AI within our “Price Forecast” tool, which predicts if it’s better to book now or wait until prices decrease. You can strategically pick the best days to fly and save money on your trip by using our “Price Calendar” tool. “Explore” shows an overview of how much it costs to fly to anywhere from a selected city or airport. Our “Discover” content is a great option for travel inspiration and money-saving tips, while “Price Alerts” will update you when prices change, so you can book when fares are right.

  • How does momondo find its flight prices?

    We aggregate our prices from over 700+ competitors from airlines to OTAs. We operate in over 30 markets worldwide to show you a wide range of travel options.

Traveling to a place near London?

Book flights to London if you plan to visit one of these locations
Hounslow
Gatwick
Milton Keynes
Luton
Dover
Hayes
Crawley
Croydon
Wembley
Slough
Stansted
Harrow
Dartford
Brentwood
Watford
Ilford
Cobham
Folkestone
Uxbridge
Guildford

Why use momondo?

Why should I use momondo to find a flight deal from District of Columbia to London?

It is quick and easy to find District of Columbia to London 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 London that suits you.

Can I find flights from District of Columbia to London with flexible booking policies on momondo?

Yes. All flights to London from District of Columbia on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from District of Columbia to London?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to London from District of Columbia.

I’m not ready to book a flight from District of Columbia to London right now. Can momondo alert me if prices change?

If you are simply researching potential flights to London, momondo offers a useful price alert feature which will track prices for flights to London from District of Columbia and alert you when they 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.
Start using Trips
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Wed 7/1
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