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Cheap flights from Washington to London Southend Airport from £269

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 12/5. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — SEN
9 Apr — 16 Apr1
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 10 March 2026.

Wed 8/408:00
SEA
-
SEN
3 stops29h 25m
Multiple Airlines
Sun 19/407:25
SEN
-
SEA
3 stops23h 28m
Multiple Airlines
Deal found 8/3£705
Wed 13/508:00
SEA
-
SEN
3 stops29h 25m
Multiple Airlines
Sun 24/516:55
SEN
-
SEA
3 stops33h 50m
Multiple Airlines
Deal found 6/3£728
Wed 1/408:00
SEA
-
SEN
3 stops29h 25m
Multiple Airlines
Sat 11/416:50
SEN
-
SEA
3 stops32h 25m
Multiple Airlines
Deal found 9/3£911
Sat 27/608:00
SEA
-
SEN
3 stops23h 10m
Multiple Airlines
Sat 11/716:50
SEN
-
SEA
3 stops32h 25m
Multiple Airlines
Deal found 7/3£938
Sat 1/815:30
PDX
-
SEN
2 stops19h 50m
Multiple Airlines
Sat 15/816:50
SEN
-
PDX
3 stops33h 05m
Multiple Airlines
Deal found 6/3£1,132
Thu 9/409:50
PDX
-
SEN
3 stops25h 45m
Multiple Airlines
Sun 12/417:30
SEN
-
PDX
3 stops32h 30m
Multiple Airlines
Deal found 6/3£1,165
Sat 14/307:15
SEA
-
SEN
2 stops26h 50m
Multiple Airlines
Sun 22/307:10
SEN
-
SEA
3 stops41h 55m
Multiple Airlines
Deal found 6/3£1,229
Sat 21/315:35
SEA
-
SEN
2 stops18h 30m
Multiple Airlines
Thu 2/410:10
SEN
-
SEA
2 stops18h 30m
Multiple Airlines
Deal found 10/3£1,440
Sun 15/306:00
SEA
-
SEN
2 stops21h 30m
Multiple Airlines
Sun 22/318:05
SEN
-
SEA
2 stops31h 00m
Multiple Airlines
Deal found 9/3£1,489
Sun 15/307:16
PDX
-
SEN
2 stops20h 14m
Multiple Airlines
Thu 19/318:05
SEN
-
PDX
3 stops31h 25m
Multiple Airlines
Deal found 7/3£2,296

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 10 March 2026.

Round-trip from

£705

One-way from

£269

Popular in

June

Cheapest in

October

Average price

£515
8/4-19/4
  • 8/4-19/4
  • 6 total stops
  • 52h 53m total
  • Washington to London
Search Deals
12/5
  • 12/5
  • 3 total stops
  • 37h 30m total
  • Washington to London
Search Deals
Highest demand for flights based on searches. 14% potential increase in price (£69 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£13 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 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 10 March 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 8/4

08:00-21:25

3 stops29h 25m

London Southend

Sun 19/4

07:25-22:53

3 stops23h 28m

£705

SeattleLondon

SEA - SEN

SEASEN

Seattle/Tacoma Intl

Wed 13/5

08:00-21:25

3 stops29h 25m

London Southend

Sun 24/5

16:55-18:45

3 stops33h 50m

£728

SeattleLondon

SEA - SEN

SEASEN

Seattle/Tacoma Intl

Wed 1/4

08:00-21:25

3 stops29h 25m

London Southend

Sat 11/4

16:50-17:15

3 stops32h 25m

£911

SeattleLondon

SEA - SEN

SEASEN

Seattle/Tacoma Intl

Sat 27/6

08:00-15:10

3 stops23h 10m

London Southend

Sat 11/7

16:50-17:15

3 stops32h 25m

£938

PortlandLondon

PDX - SEN

PDXSEN

Portland

Sat 1/8

15:30-19:20

2 stops19h 50m

London Southend

Sat 15/8

16:50-17:55

3 stops33h 05m

£1,132

PortlandLondon

PDX - SEN

PDXSEN

Portland

Thu 9/4

09:50-19:35

3 stops25h 45m

London Southend

Sun 12/4

17:30-18:00

3 stops32h 30m

£1,165
Fastest return journey

SeattleLondon

SEA - SEN

SEASEN

Seattle/Tacoma Intl

Sat 21/3

15:35-17:05

2 stops18h 30m

London Southend

Thu 2/4

10:10-20:40

2 stops18h 30m

£1,440
Cheapest one-way

PortlandLondon

PDX - SEN

PDXSEN

Portland

Wed 18/3

15:30-11:40

3 stops37h 10m

£296

SeattleLondon

SEA - SEN

SEASEN

Seattle/Tacoma Intl

Sun 26/4

07:10-19:35

2 stops28h 25m

£304

SeattleLondon

SEA - SEN

SEASEN

Seattle/Tacoma Intl

Wed 22/7

19:10-10:45

2 stops31h 35m

£305

Flights are sorted by cheapest return flights first.

Deals found on 10/3

Showing 1-10 of 26 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
Milton Keynes
Wembley
Croydon
Luton
Hounslow
Slough
Gatwick
Ilford
Hayes
Brentford
Colchester
Guildford
Watford
Kingston upon Thames
Chelmsford
Eastbourne
Ipswich
Bedford
Romford
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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