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$554+ 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 10/2. Fares are subject to change and may not be available on all flights or dates of travel.
SEN — SEA
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
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 September 15, 2025.

Round-trip from

$1,388
(Kiwi.com)

One-way from

$554
(Kiwi.com)

Popular in

July

Cheapest in

January

Average price

$677
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. 13% potential increase in price ($113 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($17 potential savings vs. average RT price).
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Average for round-trip flights in September 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 September 15, 2025.

This Mytrip deal was found by Cheapflights users on 9/15. 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.
Mon 9/2211:05 amSEN - SEA
2 stops31h 30mMultiple Airlines
Wed 12/313:10 pmSEA - SEN
2 stops21h 50mMultiple Airlines
Deal found 9/15$1,073
This Mytrip deal was found by Cheapflights users on 9/14. 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.
Sun 9/217:15 amSEN - SEA
3 stops39h 50mMultiple Airlines
Sun 9/287:15 amSEA - SEN
2 stops19h 10mMultiple Airlines
Deal found 9/14$1,248
This Kiwi.com deal was found by Cheapflights users on 9/14. 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.
Wed 10/2911:40 amSEN - SEA
2 stops39h 10mMultiple Airlines
Wed 11/53:00 pmSEA - SEN
1 stop18h 15mMultiple Airlines
Deal found 9/14$1,388

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 September 15, 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 10/29

11:40 am-7:50 pm

2 stops39h 10m

Seattle/Tacoma Intl

Wed 11/5

3:00 pm-5:15 pm

1 stop18h 15m

$1,388

LondonSeattle

SEN - SEA

SENSEA

London Southend

Thu 10/2

5:40 pm-8:37 pm

3 stops34h 57m

$554

LondonSeattle

SEN - SEA

SENSEA

London Southend

Mon 9/29

8:05 pm-10:34 am

3 stops46h 29m

$564

LondonSeattle

SEN - SEA

SENSEA

London Southend

Mon 11/24

7:20 am-5:00 pm

2 stops17h 40m

$596

LondonSeattle

SEN - SEA

SENSEA

London Southend

Sun 12/14

7:10 am-8:52 am

3 stops33h 42m

$618

LondonSeattle

SEN - SEA

SENSEA

London Southend

Sun 9/21

3:35 pm-8:29 pm

3 stops36h 54m

$645

LondonSeattle

SEN - SEA

SENSEA

London Southend

Sat 3/14

8:00 pm-7:20 pm

2 stops30h 20m

$668

LondonSeattle

SEN - SEA

SENSEA

London Southend

Mon 10/13

8:05 pm-7:31 pm

3 stops31h 26m

$675

LondonSeattle

SEN - SEA

SENSEA

London Southend

Sat 10/11

8:40 am-8:40 pm

2 stops20h 00m

$700

LondonSeattle

SEN - SEA

SENSEA

London Southend

Wed 10/22

2:15 pm-12:45 pm

3 stops54h 30m

$712

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

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
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.

  • What is the cheapest month to book a flight from London Southend Airport to State of Washington?

    Currently, January is the cheapest month in which you can book a flight from London Southend Airport to State of Washington (average of $238). Flying from London Southend Airport to State of Washington in June is currently the most expensive (average of $387). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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