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District of Columbia

$494+ Cheap flights from Southend (SEN) to District of Columbia

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/14. Fares are subject to change and may not be available on all flights or dates of travel.
SEN — IAD
Mar 6 — Mar 131
Fri 3/6
Fri 3/13
1 adult, Economy
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Cheap flight deals from Southend to District of Columbia

Cheapest flights from Southend to District of Columbia
Explore the most affordable flight options available from Southend to District of Columbia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 4, 2026.

This Booking.com deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/257:10 am
SEN
-
IAD
2 stops16h 20m
Multiple Airlines
Sat 3/289:00 am
IAD
-
SEN
3 stops20h 25m
Multiple Airlines
Deal found 2/3$1,446

Find flight deals from Southend to District of Columbia

Keep the following information in mind while searching for Southend to District of Columbia flight deals. Data was last updated February 4, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,446
(Booking.com)

One-way from

$496
(Kiwi.com)

Popular in

July

Cheapest in

February

Average price

$606
Provider with most accurate pricing for London (LON)-Washington, D.C. (WAS) flight deals.
Search Deals
Provider most trusted by Cheapflights users for London (LON)-Washington, D.C. (WAS) flights.
Search Deals
From London Southend to District of Columbia
Search Deals
One-way flight from London Southend to District of Columbia
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($104 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($15 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Southend to District of Columbia 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, Cheapflights users made 2,558,603 searches. Data last updated February 4, 2026.
Use the filters below to find and compare flights from London Southend Airport to District of Columbia that are best for you.

Fly from

Southend

Fly to

District of Columbia

Route

Depart

Return

Price

LondonWashington, D.C.

SEN - IAD

SENIAD

London Southend

Wed 3/25

7:10 am-7:30 pm

2 stops16h 20m

Washington, D.C. Dulles Intl

Sat 3/28

9:00 am-9:25 am

3 stops20h 25m

$1,446

LondonWashington, D.C.

SEN - IAD

SENIAD

London Southend

Sun 4/12

5:30 pm-7:00 pm

3 stops30h 30m

$495

LondonWashington, D.C.

SEN - IAD

SENIAD

London Southend

Thu 2/12

6:50 am-9:00 pm

2 stops43h 10m

$496

LondonWashington, D.C.

SEN - IAD

SENIAD

London Southend

Fri 5/8

8:40 pm-3:05 pm

3 stops47h 25m

$503

LondonWashington, D.C.

SEN - IAD

SENIAD

London Southend

Thu 3/12

6:50 am-7:45 pm

3 stops40h 55m

$504

LondonWashington, D.C.

SEN - IAD

SENIAD

London Southend

Wed 5/27

7:05 am-7:00 pm

2 stops16h 55m

$506

LondonWashington, D.C.

SEN - IAD

SENIAD

London Southend

Sat 3/14

3:00 pm-7:45 pm

3 stops32h 45m

$513

LondonWashington, D.C.

SEN - IAD

SENIAD

London Southend

Fri 6/12

8:40 pm-7:10 pm

3 stops27h 30m

$516

LondonWashington, D.C.

SEN - IAD

SENIAD

London Southend

Fri 3/6

4:05 pm-3:15 pm

3 stops28h 10m

$533

LondonWashington, D.C.

SEN - IAD

SENIAD

London Southend

Mon 3/23

5:30 pm-3:35 pm

3 stops26h 05m

$539

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/3

Showing 1-10 of 12 results
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Best time to book a flight from Southend to District of Columbia

Have a flexible travel schedule? Discover the best time to fly to District of Columbia from Southend with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from London Southend Airport to District of Columbia
No data available for this route at this time. Please check back soon.

Related info for your journey

Find useful and relevant information for your journey from Southend to District of Columbia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • Can I find deals for flights from Southend to District of Columbia that include hotel bookings?

    Yes. In addition to deals on Southend to District of Columbia flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Southend to District of Columbia?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Southend to District of Columbia.

  • Can I find deals for business class flights from Southend to District of Columbia?

    Yes. Cheapflights offers flight deals from Southend to District of Columbia by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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