Southend

$387+ 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 3/8. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — SEN
Feb 3 — Feb 101
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1. Tell us where you want to go
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Cheap 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 January 29, 2025.

Most accurate provider

Expedia
1 star

Most trusted provider

Expedia
3 stars

Round-trip from

$1,272
(Mytrip)

One-way from

$387
(Kiwi.com)

Popular in

June

Cheapest in

October

Average price

$674
Provider with most accurate pricing for Seattle/Tacoma Intl-London Southend flight deals.
Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-London Southend flights.
From Seattle/Tacoma Intl to London Southend
One-way flight from Seattle/Tacoma Intl to London Southend
Highest demand for flights based on searches. 21% potential increase in price ($224 potential increase over avg. RT price).
Cheapest flight prices on average. 4% potential price decrease ($35 potential savings vs. average RT price).
Average for round-trip flights in January 2025

Find flight deals from Seattle to Southend

Cheapest flights from Seattle to Southend
Explore the most affordable flight options available from Seattle to Southend. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 29, 2025.

This Mytrip deal was found by Cheapflights users on 1/28. 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 3/146:05 amSEA - SEN
3 stops30h 15mMultiple Airlines
Fri 3/212:20 pmSEN - SEA
3 stops35h 49mMultiple Airlines
Deal found 1/28$1,272

Find flights from Seattle to Southend within your budget

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 January 29, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

SeattleLondon

SEA - SEN

SEASEN

Seattle/Tacoma Intl

Fri 3/14

6:05 am-7:20 pm

3 stops30h 15m

London Southend

Fri 3/21

2:20 pm-7:09 pm

3 stops35h 49m

$1,272

SeattleLondon

SEA - SEN

SEASEN

Seattle/Tacoma Intl

Sat 3/8

9:50 am-11:20 am

3 stops41h 30m

$387

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/28

  • Most accurate provider: When it comes to deals on Seattle-London Southend Airport flights, users find the pricing of Expedia to be most consistent on Cheapflights vs. Expedia Users can find the same prices on Seattle-London Southend Airport flight deals on Cheapflights vs. Expedia <90% of the time. Price accuracy is based on data collected from Seattle-London Southend Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Seattle-London Southend Airport flights, Cheapflights users trust Expedia the most. Expedia has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Seattle-London Southend Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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.

Travel insights for flights from Seattle to Southend

Get recent, data-driven insights about flights from Seattle to Southend including ideal travel times, pricing trends, and more.

Rainfall in Southend by month

Plan your trip to Southend by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in London Southend Airport ranges from 1.6 - 2.8 inches per month. January is typically the wettest month, when rainfall can reach 2.8 in. July is typically the driest time to visit London Southend Airport when rainfall is around 1.6 in.

Temperature in Southend by month

Plan your trip to Southend by taking into account the average temperature totals by month.

If weather is an important factor for your trip to London Southend Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 39.2 F).

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

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