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Cheap flights from London Southend Airport to Washington, D.C. from £383

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 15/12. Fares are subject to change and may not be available on all flights or dates of travel.
SEN — WAS
7 Dec — 14 Dec1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Southend to Washington, D.C.

Discover tips and strategies to find the most affordable flight options for your journey from Southend (SEN) to Washington, D.C. (WAS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 7 November 2025.

Round-trip from

£605

One-way from

£383

Popular in

July

Cheapest in

February

Average price

£513
6/12-14/12
  • 6/12-14/12
  • 4 total stops
  • 34h 00m total
  • London to Washington, D.C.
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15/12
  • 15/12
  • 3 total stops
  • 26h 05m total
  • London to Washington, D.C.
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Highest demand for flights based on searches. 11% potential increase in price (£54 potential increase over avg. return price).
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Cheapest flight prices on average. 2% potential price decrease (£9 potential savings vs. average return price).
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Average for round-trip flights in November 2025
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Find flight deals from Southend to Washington, D.C.

Enter your travel dates to find the best prices.

Cheapest flights from Southend to Washington, D.C.
Explore the most affordable flight options available from Southend to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 7 November 2025.

Sat 6/1207:15SEN - IAD
2 stops17h 15mMultiple Airlines
Sun 14/1217:05IAD - SEN
2 stops16h 45mMultiple Airlines
Deal found 6/11£605
Wed 12/1107:10SEN - IAD
2 stops17h 20mMultiple Airlines
Thu 20/1117:05IAD - SEN
2 stops14h 45mMultiple Airlines
Deal found 5/11£771
Sat 15/1107:15SEN - IAD
2 stops17h 15mMultiple Airlines
Sat 22/1117:05IAD - SEN
2 stops22h 05mMultiple Airlines
Deal found 5/11£779
Sat 13/1207:15SEN - IAD
2 stops17h 15mMultiple Airlines
Wed 31/1221:00IAD - SEN
2 stops15h 15mMultiple Airlines
Deal found 6/11£816
Sat 20/1206:40SEN - IAD
2 stops34h 05mMultiple Airlines
Mon 5/113:30IAD - SEN
2 stops27h 55mMultiple Airlines
Deal found 7/11£891
Wed 17/1207:10SEN - IAD
1 stop17h 20mMultiple Airlines
Sun 28/1218:50IAD - SEN
1 stop10h 40mMultiple Airlines
Deal found 7/11£966
Fri 19/1206:40SEN - IAD
1 stop14h 25mMultiple Airlines
Sun 4/118:05IAD - SEN
1 stop15h 45mMultiple Airlines
Deal found 5/11£984
Tue 16/1207:00SEN - IAD
3 stops43h 00mMultiple Airlines
Sun 21/1218:50IAD - SEN
1 stop10h 40mMultiple Airlines
Deal found 5/11£1,016
Fri 19/1210:00SEN - IAD
1 stop14h 30mMultiple Airlines
Wed 31/1221:40IAD - SEN
1 stop18h 20mMultiple Airlines
Deal found 5/11£1,065
Sat 6/1207:15SEN - IAD
2 stops16h 15mMultiple Airlines
Sat 6/1221:00IAD - SEN
2 stops18h 10mMultiple Airlines
Deal found 6/11£1,081
Sun 21/1216:50SEN - IAD
2 stops31h 40mMultiple Airlines
Sun 28/1218:05IAD - SEN
1 stop15h 45mMultiple Airlines
Deal found 6/11£1,088

Cheapflights Fare Finder

 
Customise your flight search to find flights from Southend to Washington, D.C. 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 7 November 2025.
Use the filters below to find and compare flights from London Southend Airport to Washington, D.C. that are best for you.

Fly from

Southend

Fly to

Washington, D.C.

Route

Depart

Return

Price

LondonWashington, D.C.

SEN - IAD

SENIAD

London Southend

Sat 13/12

07:15-19:30

2 stops17h 15m

Washington, D.C. Dulles Intl

Wed 31/12

21:00-17:15

2 stops15h 15m

£816

LondonWashington, D.C.

SEN - IAD

SENIAD

London Southend

Sat 20/12

06:40-11:45

2 stops34h 05m

Washington, D.C. Dulles Intl

Mon 5/1

13:30-22:25

2 stops27h 55m

£891

LondonWashington, D.C.

SEN - IAD

SENIAD

London Southend

Wed 17/12

07:10-19:30

1 stop17h 20m

Washington, D.C. Dulles Intl

Sun 28/12

18:50-10:30

1 stop10h 40m

£966

LondonWashington, D.C.

SEN - IAD

SENIAD

London Southend

Fri 19/12

06:40-16:05

1 stop14h 25m

Washington, D.C. Dulles Intl

Sun 4/1

18:05-14:50

1 stop15h 45m

£984

LondonWashington, D.C.

SEN - IAD

SENIAD

London Southend

Tue 16/12

07:00-21:00

3 stops43h 00m

Washington, D.C. Dulles Intl

Sun 21/12

18:50-10:30

1 stop10h 40m

£1,016

LondonWashington, D.C.

SEN - IAD

SENIAD

London Southend

Fri 19/12

10:00-19:30

1 stop14h 30m

Washington, D.C. Dulles Intl

Wed 31/12

21:40-21:00

1 stop18h 20m

£1,065

LondonWashington, D.C.

SEN - IAD

SENIAD

London Southend

Sat 6/12

07:15-18:30

2 stops16h 15m

Washington, D.C. Dulles Intl

Sat 6/12

21:00-20:10

2 stops18h 10m

£1,081

LondonWashington, D.C.

SEN - IAD

SENIAD

London Southend

Sun 21/12

16:50-19:30

2 stops31h 40m

Washington, D.C. Dulles Intl

Sun 28/12

18:05-14:50

1 stop15h 45m

£1,088

LondonWashington, D.C.

SEN - IAD

SENIAD

London Southend

Mon 15/12

17:30-14:35

3 stops26h 05m

£383

LondonWashington, D.C.

SEN - IAD

SENIAD

London Southend

Sat 13/12

06:30-18:45

3 stops41h 15m

£386

Flights are sorted by cheapest return flights first.

Deals found on 6/11

Showing 1-10 of 16 results
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Best time to book a flight from Southend to Washington, D.C.

Have a flexible travel schedule? Discover the best time to fly to Washington, D.C. 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 Washington, D.C.
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 Washington, D.C.. 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 Washington, D.C. that include hotel bookings?

    Yes. In addition to deals on Southend to Washington, D.C. flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Southend to Washington, D.C.?

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

  • Can I find deals for business class flights from Southend to Washington, D.C.?

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

Travelling to a place near Washington, D.C.?

Book flights to Washington, D.C. if you plan to visit one of these locations
Silver Spring
Hanover
Oxon Hill
Woodbridge
Arlington
Alexandria
College Park

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How does Cheapflights help users find flights from Southend to Washington, D.C.?

Cheapflights makes it easy to find Southend to Washington, D.C. flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Southend to Washington, D.C.?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Southend to Washington, D.C..

Can Cheapflights find flights from Southend to Washington, D.C. with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Southend to Washington, D.C., users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Southend to Washington, D.C. become cheaper?

Yes! Start tracking prices for Southend to Washington, D.C. flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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