Latest deals
When to book
FAQs
Price Alerts

Cheap flights from Washington, D.C. Dulles Intl Airport to London from $331

1 adult
1 adult, Economy, 0 bags

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

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
7:40 pm - 6:35 pmIAD  Washington, D.C. Dulles Intl-SEN London Southend
17h 55m2 stops Reykjavik Keflavik Intl Paris Charles de Gaulle
Multiple Airlines Logo
3:55 pm - 6:30 pmSEN  London Southend-IAD Washington, D.C. Dulles Intl
31h 35m2 stops Paris Charles de Gaulle Reykjavik Keflavik Intl
$713Multiple Airlines
Wed, Jan 6 - Sun, Jan 10
Multiple Airlines Logo
7:40 pm - 6:35 pmIAD  Washington, D.C. Dulles Intl-SEN London Southend
17h 55m2 stops Reykjavik Keflavik Intl Paris Charles de Gaulle
Multiple Airlines Logo
7:10 am - 6:30 pmSEN  London Southend-IAD Washington, D.C. Dulles Intl
16h 20m2 stops Paris Charles de Gaulle Reykjavik Keflavik Intl
$738Multiple Airlines
Wed, Dec 9 - Wed, Dec 16
Multiple Airlines Logo
7:40 pm - 6:35 pmIAD  Washington, D.C. Dulles Intl-SEN London Southend
17h 55m2 stops Reykjavik Keflavik Intl Paris Charles de Gaulle
Multiple Airlines Logo
7:10 am - 6:30 pmSEN  London Southend-IAD Washington, D.C. Dulles Intl
16h 20m2 stops Paris Charles de Gaulle Reykjavik Keflavik Intl
$742Multiple Airlines
Wed, Dec 2 - Wed, Dec 9
Multiple Airlines Logo
7:40 pm - 5:35 pmIAD  Washington, D.C. Dulles Intl-SEN London Southend
16h 55m2 stops Reykjavik Keflavik Intl Paris Charles de Gaulle
Multiple Airlines Logo
7:10 am - 6:30 pmSEN  London Southend-IAD Washington, D.C. Dulles Intl
16h 20m2 stops Paris Charles de Gaulle Reykjavik Keflavik Intl
$745Multiple Airlines
Thu, Dec 3 - Wed, Dec 9
Multiple Airlines Logo
7:40 pm - 7:20 pmIAD  Washington, D.C. Dulles Intl-SEN London Southend
18h 40m2 stops Reykjavik Keflavik Intl Amsterdam Schiphol
Multiple Airlines Logo
7:35 am - 6:30 pmSEN  London Southend-IAD Washington, D.C. Dulles Intl
15h 55m2 stops Amsterdam Schiphol Reykjavik Keflavik Intl
$782Multiple Airlines
Tue, Dec 8 - Tue, Dec 15
Multiple Airlines Logo
7:40 pm - 5:35 pmIAD  Washington, D.C. Dulles Intl-SEN London Southend
16h 55m2 stops Reykjavik Keflavik Intl Paris Charles de Gaulle
Multiple Airlines Logo
7:10 am - 6:30 pmSEN  London Southend-IAD Washington, D.C. Dulles Intl
16h 20m2 stops Paris Charles de Gaulle Reykjavik Keflavik Intl
$787Multiple Airlines
Thu, Dec 3 - Wed, Dec 9
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
7:35 am - 6:30 pmSEN  London Southend-IAD Washington, D.C. Dulles Intl
15h 55m2 stops Amsterdam Schiphol Reykjavik Keflavik Intl
$790Multiple Airlines
Wed, Dec 2 - Tue, Dec 8
Multiple Airlines Logo
7:40 pm - 6:35 pmIAD  Washington, D.C. Dulles Intl-SEN London Southend
17h 55m2 stops Reykjavik Keflavik Intl Paris Charles de Gaulle
Multiple Airlines Logo
7:10 am - 6:30 pmSEN  London Southend-IAD Washington, D.C. Dulles Intl
16h 20m2 stops Paris Charles de Gaulle Reykjavik Keflavik Intl
$798Multiple Airlines
Wed, Dec 9 - Wed, Dec 16
Multiple Airlines Logo
7:40 pm - 5:35 pmIAD  Washington, D.C. Dulles Intl-SEN London Southend
16h 55m2 stops Reykjavik Keflavik Intl Paris Charles de Gaulle
Multiple Airlines Logo
7:10 am - 6:30 pmSEN  London Southend-IAD Washington, D.C. Dulles Intl
16h 20m2 stops Paris Charles de Gaulle Reykjavik Keflavik Intl
$822Multiple Airlines
Thu, Dec 3 - Wed, Dec 9
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
7:35 am - 6:30 pmSEN  London Southend-IAD Washington, D.C. Dulles Intl
15h 55m2 stops Amsterdam Schiphol Reykjavik Keflavik Intl
$823Multiple Airlines
Wed, Dec 2 - Tue, Dec 8

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

momondo Fare Finder

 
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport 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 Washington, D.C. Dulles Intl - SEN London Southend

IADSEN

Washington, D.C. Dulles Intl

Wed 1/6

7:40 pm-6:35 pm

2 stops17h 55m

London Southend

Sun 1/10

3:55 pm-6:30 pm

2 stops31h 35m

$713

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-6:35 pm

2 stops17h 55m

London Southend

Wed 12/16

7:10 am-6:30 pm

2 stops16h 20m

$738

Washington, D.C.London

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

IADSEN

Washington, D.C. Dulles Intl

Wed 12/2

7:40 pm-6:35 pm

2 stops17h 55m

London Southend

Wed 12/9

7:10 am-6:30 pm

2 stops16h 20m

$742

Washington, D.C.London

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

IADSEN

Washington, D.C. Dulles Intl

Thu 12/3

7:40 pm-5:35 pm

2 stops16h 55m

London Southend

Wed 12/9

7:10 am-6:30 pm

2 stops16h 20m

$745

Washington, D.C.London

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

IADSEN

Washington, D.C. Dulles Intl

Tue 12/8

7:40 pm-7:20 pm

2 stops18h 40m

London Southend

Tue 12/15

7:35 am-6:30 pm

2 stops15h 55m

$782

Washington, D.C.London

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

IADSEN

Washington, D.C. Dulles Intl

Thu 12/3

7:40 pm-5:35 pm

2 stops16h 55m

London Southend

Wed 12/9

7:10 am-6:30 pm

2 stops16h 20m

$787
Quickest round-trip

Washington, D.C.London

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

IADSEN

Washington, D.C. Dulles Intl

Wed 12/2

7:40 pm-4:40 pm

2 stops16h 00m

London Southend

Tue 12/8

7:35 am-6:30 pm

2 stops15h 55m

$790

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-6:35 pm

2 stops17h 55m

London Southend

Wed 12/16

7:10 am-6:30 pm

2 stops16h 20m

$798

Washington, D.C.London

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

IADSEN

Washington, D.C. Dulles Intl

Thu 12/3

7:40 pm-5:35 pm

2 stops16h 55m

London Southend

Wed 12/9

7:10 am-6:30 pm

2 stops16h 20m

$822

Washington, D.C.London

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

IADSEN

Washington, D.C. Dulles Intl

Wed 12/2

7:40 pm-4:40 pm

2 stops16h 00m

London Southend

Tue 12/8

7:35 am-6:30 pm

2 stops15h 55m

$823

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. Dulles Intl Airport 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. Dulles Intl Airport to London Southend Airport (IAD to SEN) flight deals and tips

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

Best Price Found

$331

Fastest flight time

13h 55m

Direct flights

None
The best one-way flight to London Southend Airport from Washington, D.C. Dulles Intl Airport in the past 72 hours is $331. The best round-trip flight deal from Washington, D.C. Dulles Intl Airport to London Southend Airport found on momondo in the last 72 hours is $713.
The fastest flight from Washington, D.C. Dulles Intl Airport to London Southend Airport takes 13h 55m
There are no direct flights from Washington, D.C. Dulles Intl Airport to London Southend Airport. There are no popular flight routes from Washington, D.C. Dulles Intl Airport to London Southend Airport.
Search flight deals

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

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

    London Southend is 3709.0 mi away from Washington, D.C. Dulles Intl. A reasonable flight in good conditions will take 13h 55m.

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

    Prices for flights from Washington, D.C. Dulles Intl Airport to London Southend Airport are updated daily.

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Washington, D.C. Dulles Intl Airport to London Southend Airport.

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

    The travel and health documents required for your trip to London Southend Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at London Southend Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

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

  • How do I get Price Alerts for flights from Washington, D.C. Dulles Intl Airport to London Southend Airport?

    You can take advantage of momondo’s Price Alerts by first searching for your flights to Washington, D.C. Dulles Intl Airport 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 Washington, D.C. Dulles Intl Airport to London Southend Airport with momondo?

    Plan your trips smart with the “Price Forecast” feature, which uses flight data to help you pick the best days to fly for the lowest fares. Our “Price Calendar” helps you get the most for your money by showing you when it’s most advantageous to fly. Curate your own travel experiences for less with “Explore”. Expert travel hacks to fuel your next adventure are a click away with “Discover” by momondo. Set up our “Price Alerts” to track fare changes and book when prices are at their lowest point.

  • 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
Croydon
Hayes
Milton Keynes
Luton
Stansted
Kingston upon Thames
Dover
Wembley
Watford
Richmond
Crawley
Worthing
Harrow
Brentford
Hook
Slough
Canterbury
Dunstable

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Washington, D.C. to London. momondo saves you time and could save you money on your trip.

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

All flight searches from Washington, D.C. to London on momondo can be filtered to show those which offer flexible booking policies.

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?

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 Washington, D.C. 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
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sat 11/28
Sat 12/5
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to London

Popular cities in the United Kingdom

Flights to London Heathrow Airportfrom $130
Flights to London Gatwick Airportfrom $426
Flights to London Stansted Airportfrom $457
Flights to London City Airportfrom $617
Flights to London Luton Airportfrom $487
Flights to Glasgow Intl Airportfrom $534
Flights to Belfast City Airportfrom $752
Flights to Belfast Intl Airportfrom $798