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Southend

$368+ Cheap flights from Seattle (SEA) to Southend (SEN)

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 2/1. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — SEN
ene. 11 — ene. 181
dom. 1/11
dom. 1/18
1 adult, Economy
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Cheap flight deals from Seattle to Southend

Best flights from Seattle to Southend
Discover carefully curated flight deals from Seattle to Southend that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated diciembre 12, 2025.

This Mytrip deal was found by Cheapflights users on 12/10. 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.
dom. 1/43:10 pmSEA - SEN
2 stops15h 40mMultiple Airlines
vie. 1/96:40 amSEN - SEA
2 stops18h 20mMultiple Airlines
Deal found 12/10$2,223
This Mytrip deal was found by Cheapflights users on 12/10. 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.
sáb. 1/32:00 pmSEA - SEN
2 stops22h 10mMultiple Airlines
vie. 1/96:40 amSEN - SEA
2 stops18h 20mMultiple Airlines
Deal found 12/10$2,339

Find flight deals from Seattle to Southend

Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Southend (SEN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated diciembre 12, 2025.

Most accurate provider

Mytrip
3 stars

Most trusted provider

Mytrip
3 stars

Round-trip from

$635
(Mytrip)

One-way from

$368
(Kiwi.com)

Popular in

June

Cheapest in

November

Average price

$967
Provider with most accurate pricing for Seattle/Tacoma Intl-London (LON) flight deals.
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Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-London (LON) flights.
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From Seattle/Tacoma Intl to London Southend
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One-way flight from Seattle/Tacoma Intl to London Southend
Search Deals
Highest demand for flights based on searches. 15% potential increase in price ($141 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($23 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 Seattle 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 2,558,603 searches. Data last updated diciembre 12, 2025.
Use the filters below to find and compare flights from Seattle to London Southend Airport that are best for you.

Fly from

Seattle

Fly to

Southend

Route

Depart

Return

Price

SeattleLondon

SEA - SEN

SEASEN

Seattle/Tacoma Intl

dom. 1/4

3:10 pm-2:50 pm

2 stops15h 40m

London Southend

vie. 1/9

6:40 am-5:00 pm

2 stops18h 20m

$2,223

SeattleLondon

SEA - SEN

SEASEN

Seattle/Tacoma Intl

sáb. 1/3

2:00 pm-8:10 pm

2 stops22h 10m

London Southend

vie. 1/9

6:40 am-5:00 pm

2 stops18h 20m

$2,339

SeattleLondon

SEA - SEN

SEASEN

Seattle/Tacoma Intl

dom. 2/1

8:43 am-1:50 pm

3 stops45h 07m

$368

SeattleLondon

SEA - SEN

SEASEN

Seattle/Tacoma Intl

vie. 1/30

11:06 am-12:15 pm

2 stops41h 09m

$429

SeattleLondon

SEA - SEN

SEASEN

Seattle/Tacoma Intl

mar. 2/10

1:36 pm-1:40 pm

3 stops40h 04m

$431

SeattleLondon

SEA - SEN

SEASEN

Seattle/Tacoma Intl

vie. 2/20

11:08 pm-8:50 pm

3 stops37h 42m

$435

SeattleLondon

SEA - SEN

SEASEN

Seattle/Tacoma Intl

lun. 4/6

6:45 pm-7:55 am

2 stops29h 10m

$471

SeattleLondon

SEA - SEN

SEASEN

Seattle/Tacoma Intl

mié. 5/27

11:30 am-9:25 pm

3 stops25h 55m

$489

SeattleLondon

SEA - SEN

SEASEN

Seattle/Tacoma Intl

jue. 2/12

8:10 am-12:50 pm

3 stops20h 40m

$495

SeattleLondon

SEA - SEN

SEASEN

Seattle/Tacoma Intl

dom. 2/8

3:10 pm-2:50 pm

2 stops15h 40m

$521

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/10

Showing 1-10 of 12 results
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Best time to book a flight from Seattle to Southend

Have a flexible travel schedule? Discover the best time to fly to Southend from Seattle 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.

Related info for your journey

Find useful and relevant information for your journey from Seattle to Southend. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Seattle to London Southend?

    Most people fly from Seattle/Tacoma Intl (SEA) if they book a flight from Seattle to London Southend. On average, Seattle/Tacoma Intl has 0 outbound flights to London Southend per day from 0 airlines. Seattle/Tacoma Intl is conveniently located just 11.4 mi from Seattle’s city center.

  • Can I find deals for flights from Seattle to Southend that include hotel bookings?

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

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

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

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

    Yes. Cheapflights offers flight deals from Seattle 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.

See more FAQs

Traveling to a place near London Southend Airport?

Book flights to London Southend Airport if you plan to visit one of these locations
Ilford
Hounslow
Southend-on-Sea
Harrow
Eastleigh
Dartford
Dover
Winchester
Croydon
Orpington
Watford
Hayes
Borehamwood
Aylesbury
Chipping Norton
Horley
Kingston upon Thames
Wembley
Folkestone
Eastbourne

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