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Cheap flights from Washington to London Southend Airport from £221

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 21/7. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — SEN
1 Aug — 8 Aug1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Washington to Southend

Enter your travel dates to find the best prices.

Cheapest flights from Washington to Southend
Explore the most affordable flight options available from Washington to Southend. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 2 July 2026.

Wed 29/715:40
SEA
-
SEN
2 stops17h 00m
Multiple Airlines
Mon 17/811:10
SEN
-
SEA
2 stops32h 35m
Multiple Airlines
Deal found 2/7£679
Sun 6/919:00
SEA
-
SEN
2 stops16h 35m
Multiple Airlines
Fri 11/911:20
SEN
-
SEA
2 stops17h 20m
Multiple Airlines
Deal found 29/6£696
Sat 8/818:15
SEA
-
SEN
2 stops17h 05m
Multiple Airlines
Sun 23/819:50
SEN
-
SEA
2 stops28h 20m
Multiple Airlines
Deal found 28/6£698
Sat 29/819:00
SEA
-
SEN
2 stops16h 20m
Multiple Airlines
Sun 6/907:25
SEN
-
SEA
2 stops18h 30m
Multiple Airlines
Deal found 28/6£756
Wed 19/815:40
SEA
-
SEN
2 stops17h 00m
Multiple Airlines
Fri 28/811:20
SEN
-
SEA
2 stops17h 20m
Multiple Airlines
Deal found 30/6£808
Tue 22/1214:35
SEA
-
SEN
2 stops23h 15m
Multiple Airlines
Sun 3/119:00
SEN
-
SEA
3 stops30h 00m
Multiple Airlines
Deal found 1/7£824
Wed 19/815:40
SEA
-
SEN
2 stops17h 00m
Multiple Airlines
Mon 24/811:10
SEN
-
SEA
2 stops17h 30m
Multiple Airlines
Deal found 30/6£840
Wed 29/715:40
SEA
-
SEN
2 stops17h 00m
Multiple Airlines
Wed 5/812:15
SEN
-
SEA
2 stops16h 25m
Multiple Airlines
Deal found 29/6£853
Wed 22/715:40
SEA
-
SEN
2 stops17h 00m
Multiple Airlines
Wed 29/712:15
SEN
-
SEA
2 stops16h 25m
Multiple Airlines
Deal found 30/6£895
Sat 8/815:40
SEA
-
SEN
2 stops19h 40m
Multiple Airlines
Mon 17/811:10
SEN
-
SEA
2 stops17h 30m
Multiple Airlines
Deal found 30/6£975
Fri 3/718:00
SEA
-
SEN
2 stops19h 45m
Multiple Airlines
Sun 5/717:30
SEN
-
SEA
3 stops31h 50m
Multiple Airlines
Deal found 29/6£1,029
Sat 4/715:10
PDX
-
SEN
2 stops24h 10m
Multiple Airlines
Mon 13/707:45
SEN
-
PDX
3 stops33h 46m
Multiple Airlines
Deal found 28/6£1,031

Find flight deals from Washington to Southend

Keep the following information in mind while searching for Washington to Southend flight deals. Data was last updated 2 July 2026.

Round-trip from

£679

One-way from

£221

Popular in

June

Cheapest in

January

Average price

£751
29/7-17/8
  • 29/7-17/8
  • 4 total stops
  • 49h 35m total
  • Washington to London
Search Deals
21/7
  • 21/7
  • 3 total stops
  • 41h 00m total
  • Washington to London
Search Deals
Highest demand for flights based on searches. 22% potential increase in price (£131 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£20 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Washington to Southend 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 2 July 2026.
Use the filters below to find and compare flights from Washington to London Southend Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

SeattleLondon

SEA - SEN

SEASEN

Seattle/Tacoma Intl

Wed 29/7

15:40-16:40

2 stops17h 00m

London Southend

Mon 17/8

11:10-11:45

2 stops32h 35m

£679

SeattleLondon

SEA - SEN

SEASEN

Seattle/Tacoma Intl

Sat 8/8

18:15-19:20

2 stops17h 05m

London Southend

Sun 23/8

19:50-16:10

2 stops28h 20m

£698

SeattleLondon

SEA - SEN

SEASEN

Seattle/Tacoma Intl

Sat 29/8

19:00-19:20

2 stops16h 20m

London Southend

Sun 6/9

07:25-17:55

2 stops18h 30m

£756

SeattleLondon

SEA - SEN

SEASEN

Seattle/Tacoma Intl

Wed 19/8

15:40-16:40

2 stops17h 00m

London Southend

Fri 28/8

11:20-20:40

2 stops17h 20m

£808

SeattleLondon

SEA - SEN

SEASEN

Seattle/Tacoma Intl

Tue 22/12

14:35-21:50

2 stops23h 15m

London Southend

Sun 3/1

19:00-17:00

3 stops30h 00m

£824

SeattleLondon

SEA - SEN

SEASEN

Seattle/Tacoma Intl

Wed 19/8

15:40-16:40

2 stops17h 00m

London Southend

Mon 24/8

11:10-20:40

2 stops17h 30m

£840

SeattleLondon

SEA - SEN

SEASEN

Seattle/Tacoma Intl

Wed 29/7

15:40-16:40

2 stops17h 00m

London Southend

Wed 5/8

12:15-20:40

2 stops16h 25m

£853

SeattleLondon

SEA - SEN

SEASEN

Seattle/Tacoma Intl

Wed 22/7

15:40-16:40

2 stops17h 00m

London Southend

Wed 29/7

12:15-20:40

2 stops16h 25m

£895
Fastest return journey

SeattleLondon

SEA - SEN

SEASEN

Seattle/Tacoma Intl

Sun 16/8

18:40-18:50

2 stops16h 10m

London Southend

Sun 23/8

07:35-16:27

1 stop16h 52m

£1,042

PortlandLondon

PDX - SEN

PDXSEN

Portland

Sat 25/7

15:30-19:20

2 stops19h 50m

London Southend

Wed 29/7

12:15-11:45

2 stops31h 30m

£1,228

Flights are sorted by cheapest return flights first.

Deals found on 28/6

Showing 1-10 of 31 resultsSorted by cheapest first
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Best time to book a flight from Washington to Southend

Have a flexible travel schedule? Discover the best time to fly to Southend from Washington 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 Washington to London Southend Airport
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 Washington to Southend. 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 Washington to Southend that include hotel bookings?

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

  • How can I find direct flights from Washington to Southend?

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

  • Can I find deals for business class flights from Washington to Southend?

    Yes. Cheapflights offers flight deals from Washington to Southend 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 London Southend Airport?

Book flights to London Southend Airport if you plan to visit one of these locations
Hounslow
Milton Keynes
Luton
Wembley
Gatwick
Croydon
Slough
Ilford
Hayes
Brentford
Colchester
Watford
Kingston upon Thames
Eastbourne
Southall
Aylesbury
Romford
Ipswich
Borehamwood
Southend-on-Sea

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Washington to Southend

See prices for flight routes from nearby airports that may be better suited for you.
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Fly with Cheapflights

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How does Cheapflights help users find flights from Washington to Southend?

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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 Washington to Southend.

Can Cheapflights find flights from Washington to Southend with no change fees?

Yes, we can. To see specific flights from Washington to Southend with no change fees, users can toggle flexible booking options after using the search form above to find flights.

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