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Cheap flights from London Southend Airport to District of Columbia from £401

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 20/6. Fares are subject to change and may not be available on all flights or dates of travel.
SEN — IAD
19 Jun — 26 Jun1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Southend to District of Columbia

Enter your travel dates to find the best prices.

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 20 May 2026.

Mon 15/611:10
SEN
-
IAD
1 stop13h 25m
Multiple Airlines
Tue 30/618:15
IAD
-
SEN
1 stop12h 30m
Multiple Airlines
Deal found 18/5£747
Sun 31/507:25
SEN
-
IAD
1 stop17h 10m
Multiple Airlines
Sat 6/618:15
IAD
-
SEN
1 stop11h 10m
Multiple Airlines
Deal found 17/5£818
Thu 11/610:10
SEN
-
IAD
1 stop14h 25m
Multiple Airlines
Sun 21/618:15
IAD
-
SEN
1 stop11h 15m
Multiple Airlines
Deal found 19/5£850
Sun 14/607:25
SEN
-
IAD
1 stop13h 40m
Multiple Airlines
Sun 21/618:15
IAD
-
SEN
1 stop11h 15m
Multiple Airlines
Deal found 15/5£912
Mon 3/811:10
SEN
-
IAD
1 stop13h 25m
Multiple Airlines
Tue 11/818:15
IAD
-
SEN
1 stop12h 30m
Multiple Airlines
Deal found 19/5£969
Fri 21/811:20
SEN
-
IAD
2 stops15h 55m
Multiple Airlines
Sun 30/818:15
IAD
-
SEN
1 stop11h 15m
Multiple Airlines
Deal found 17/5£988
Wed 20/507:05
SEN
-
IAD
2 stops16h 55m
Multiple Airlines
Thu 21/518:15
IAD
-
SEN
1 stop11h 30m
Multiple Airlines
Deal found 18/5£1,311
Sun 2/807:35
SEN
-
IAD
2 stops18h 00m
Multiple Airlines
Sun 2/823:20
IAD
-
SEN
2 stops14h 30m
Multiple Airlines
Deal found 19/5£1,329

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 20 May 2026.

Round-trip from

£747

One-way from

£401

Popular in

July

Cheapest in

February

Average price

£554
15/6-30/6
  • 15/6-30/6
  • 2 total stops
  • 25h 55m total
  • London to District of Columbia
Search Deals
20/6
  • 20/6
  • 3 total stops
  • 43h 56m total
  • London to District of Columbia
Search Deals
Highest demand for flights based on searches. 9% potential increase in price (£42 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (£5 potential savings vs. average return price).
Search Deals
Average for round-trip flights in May 2026
Search Deals

Cheapflights Fare Finder

 
Customise 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 858,174 searches. Data last updated 20 May 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

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonWashington, D.C.

SEN - IAD

SENIAD

London Southend

Mon 15/6

11:10-19:35

1 stop13h 25m

Washington, D.C. Dulles Intl

Tue 30/6

18:15-11:45

1 stop12h 30m

£747

LondonWashington, D.C.

SEN - IAD

SENIAD

London Southend

Sun 31/5

07:25-19:35

1 stop17h 10m

Washington, D.C. Dulles Intl

Sat 6/6

18:15-10:25

1 stop11h 10m

£818

LondonWashington, D.C.

SEN - IAD

SENIAD

London Southend

Thu 11/6

10:10-19:35

1 stop14h 25m

Washington, D.C. Dulles Intl

Sun 21/6

18:15-10:30

1 stop11h 15m

£850
Fastest return journey

LondonWashington, D.C.

SEN - IAD

SENIAD

London Southend

Sun 14/6

07:25-16:05

1 stop13h 40m

Washington, D.C. Dulles Intl

Sun 21/6

18:15-10:30

1 stop11h 15m

£912

LondonWashington, D.C.

SEN - IAD

SENIAD

London Southend

Mon 3/8

11:10-19:35

1 stop13h 25m

Washington, D.C. Dulles Intl

Tue 11/8

18:15-11:45

1 stop12h 30m

£969

LondonWashington, D.C.

SEN - IAD

SENIAD

London Southend

Fri 21/8

11:20-22:15

2 stops15h 55m

Washington, D.C. Dulles Intl

Sun 30/8

18:15-10:30

1 stop11h 15m

£988

LondonWashington, D.C.

SEN - IAD

SENIAD

London Southend

Sun 2/8

07:35-20:35

2 stops18h 00m

Washington, D.C. Dulles Intl

Sun 2/8

23:20-18:50

2 stops14h 30m

£1,329
Cheapest one-way

LondonWashington, D.C.

SEN - IAD

SENIAD

London Southend

Sun 13/9

20:05-19:25

2 stops28h 20m

£410

LondonWashington, D.C.

SEN - IAD

SENIAD

London Southend

Tue 27/10

20:25-17:20

2 stops24h 55m

£427
Fastest single journey

LondonWashington, D.C.

SEN - IAD

SENIAD

London Southend

Wed 17/6

08:25-19:00

2 stops15h 35m

£427

Flights are sorted by cheapest return flights first.

Deals found on 19/5

Showing 1-10 of 18 resultsSorted by cheapest first
1
2

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 return 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 holiday 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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Alternative routes for Southend to District of Columbia

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Fly with Cheapflights

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How does Cheapflights help users find flights from Southend to District of Columbia?

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By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to District of Columbia from Southend.

Can Cheapflights find flights from Southend to District of Columbia with no change fees?

Certainly. Search results for flights to District of Columbia from Southend shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Southend to District of Columbia become cheaper?

Yes, Cheapflights offers price alerts on Southend to District of Columbia flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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