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$569+ 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 1/11. Fares are subject to change and may not be available on all flights or dates of travel.
SEN — SEA
Jan 22 — Jan 291
Thu 1/22
Thu 1/29
1 adult, Economy
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Cheap flight deals from Southend to Washington

Best flights from Southend to Washington
Discover carefully curated flight deals from Southend to Washington that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 23, 2025.

This Kiwi.com deal was found by Cheapflights users on 12/23. 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.
Fri 2/610:00 amSEN - SEA
1 stop33h 25mMultiple Airlines
Fri 2/1310:51 pmSEA - SEN
2 stops37h 59mMultiple Airlines
Deal found 12/23$2,786

Find flight deals from Southend to Washington

Keep the following information in mind while searching for Southend to Washington flight deals. Data was last updated December 23, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$2,786
(Kiwi.com)

One-way from

$569
(Kiwi.com)

Popular in

July

Cheapest in

February

Average price

$853
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
Search Deals
One-way flight from London Southend to Washington
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Highest demand for flights based on searches. 13% potential increase in price ($110 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 December 2025
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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 December 23, 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

Fri 2/6

10:00 am-11:25 am

1 stop33h 25m

Seattle/Tacoma Intl

Fri 2/13

10:51 pm-8:50 pm

2 stops37h 59m

$2,786

LondonSeattle

SEN - SEA

SENSEA

London Southend

Sun 1/11

6:05 pm-5:22 pm

3 stops55h 17m

$569

LondonSeattle

SEN - SEA

SENSEA

London Southend

Sat 2/28

7:15 am-5:00 pm

2 stops17h 45m

$850

LondonSeattle

SEN - SEA

SENSEA

London Southend

Thu 1/8

1:20 pm-1:20 pm

2 stops32h 00m

$862

LondonSeattle

SEN - SEA

SENSEA

London Southend

Mon 1/12

7:20 am-3:40 pm

2 stops16h 20m

$885

LondonSeattle

SEN - SEA

SENSEA

London Southend

Sun 12/28

7:10 am-6:20 pm

2 stops19h 10m

$1,360

LondonSeattle

SEN - SEA

SENSEA

London Southend

Thu 1/1

6:05 pm-7:07 am

3 stops45h 02m

$2,050

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/22

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
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. 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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