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$594+ Cheap flights from Southend (SEN) to Washington

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 1/30. Fares are subject to change and may not be available on all flights or dates of travel.
SEN — SEA
Dec 6 — Dec 131
Sat 12/6
Sat 12/13
1 adult, Economy
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Cheap flight deals from Southend to Washington

Keep the following information in mind while searching for Southend to Washington flight deals. Data was last updated November 6, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$859
(Mytrip)

One-way from

$594
(Kiwi.com)

Popular in

July

Cheapest in

January

Average price

$716
Provider with most accurate pricing for London (LON)-Seattle/Tacoma Intl flight deals.
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Provider most trusted by Cheapflights users for London (LON)-Seattle/Tacoma Intl flights.
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From London Southend to Washington
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One-way flight from London Southend to Washington
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Highest demand for flights based on searches. 12% potential increase in price ($103 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($16 potential savings vs. average RT price).
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Average for round-trip flights in November 2025
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Find flight deals from Southend to Washington

Cheapest flights from Southend to Washington
Explore the most affordable flight options available from Southend to Washington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 6, 2025.

This Mytrip deal was found by Cheapflights users on 11/5. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/37:10 amSEN - SEA
2 stops17h 50mMultiple Airlines
Wed 12/102:35 pmSEA - SEN
2 stops22h 25mMultiple Airlines
Deal found 11/5$859
This Kiwi.com deal was found by Cheapflights users on 11/5. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/206:40 amSEN - SEA
2 stops42h 25mMultiple Airlines
Sat 12/273:05 pmSEA - SEN
1 stop21h 05mMultiple Airlines
Deal found 11/5$1,801
This Mytrip deal was found by Cheapflights users on 11/5. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/76:40 amSEN - SEA
2 stops18h 20mMultiple Airlines
Sat 11/82:35 pmSEA - SEN
3 stops21h 35mMultiple Airlines
Deal found 11/5$1,953

Cheapflights Fare Finder

 
Customize your flight search to find flights from Southend to Washington 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 November 6, 2025.
Use the filters below to find and compare flights from London Southend Airport to Washington that are best for you.

Fly from

Southend

Fly to

Washington

Route

Depart

Return

Price

LondonSeattle

SEN - SEA

SENSEA

London Southend

Wed 12/3

7:10 am-5:00 pm

2 stops17h 50m

Seattle/Tacoma Intl

Wed 12/10

2:35 pm-9:00 pm

2 stops22h 25m

$859

LondonSeattle

SEN - SEA

SENSEA

London Southend

Sat 12/20

6:40 am-5:05 pm

2 stops42h 25m

Seattle/Tacoma Intl

Sat 12/27

3:05 pm-8:10 pm

1 stop21h 05m

$1,801

LondonSeattle

SEN - SEA

SENSEA

London Southend

Fri 1/30

7:35 am-5:00 pm

2 stops17h 25m

$594

LondonSeattle

SEN - SEA

SENSEA

London Southend

Thu 12/18

6:50 am-8:58 pm

3 stops46h 08m

$601

LondonSeattle

SEN - SEA

SENSEA

London Southend

Fri 3/27

7:35 am-6:00 pm

2 stops17h 25m

$643

LondonSeattle

SEN - SEA

SENSEA

London Southend

Mon 12/15

7:15 am-7:00 am

3 stops31h 45m

$645

LondonSeattle

SEN - SEA

SENSEA

London Southend

Sun 11/30

6:05 pm-2:20 pm

2 stops52h 15m

$648

LondonSeattle

SEN - SEA

SENSEA

London Southend

Wed 12/3

7:10 am-10:16 pm

3 stops23h 06m

$692

LondonSeattle

SEN - SEA

SENSEA

London Southend

Wed 12/17

7:10 am-10:16 pm

3 stops23h 06m

$754

LondonSeattle

SEN - SEA

SENSEA

London Southend

Fri 12/19

4:50 pm-6:20 pm

3 stops57h 30m

$755

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/5

Showing 1-10 of 11 results
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Best time to book a flight from Southend to Washington

Have a flexible travel schedule? Discover the best time to fly to Washington 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 Washington
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Related info for your journey

Find useful and relevant information for your journey from Southend to Washington. 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 that include hotel bookings?

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

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

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

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

    Yes. Cheapflights offers flight deals from Southend to Washington 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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