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.

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).

How far in advance should I book a flight from State of Washington to London Southend Airport?

Users have found that booking a flight from State of Washington to London Southend Airport at least 52 days early can save you up to 41% on average compared to booking a flight this week. If booking 52 days before your flight isn’t an option for you, users have found flights from State of Washington to London Southend Airport for as little as $641 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as $932 for flights departing within the next 3 days.

What is the cheapest month to fly from State of Washington to London Southend Airport?

Our data shows that October tends to be the cheapest month to fly to London Southend Airport from State of Washington. Users have commonly found prices around $758 for the month, but tickets can be as low as $515. Due to multiple factors, prepare for potentially higher prices in June.

What is the cheapest time of day to fly from WA to SEN?

When flying from State of Washington to London Southend Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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

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

How can I find direct flights from Washington to Southend?

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

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

Yes. Cheapflights offers flight deals from Washington 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.

$296+ Flights from Washington to London Southend Airport

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Cheap flight deals from Washington to Southend

Round-trip from	$911 (Mytrip)
One-way from	$296 (Kiwi.com)
Popular in	June
Cheapest in	October
Average price	$697

From Washington to London Southend

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One-way flight from Washington to London Southend

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Highest demand for flights based on searches. 15% potential increase in price ($138 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 September 2025

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Find flight deals from Washington to Southend

Cheapest flights from Washington to Southend
Explore the most affordable flight options available from Washington to Southend. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 15, 2025.

Thu 10/233:20 pmPDX - SEN

2 stops20h 15mMultiple Airlines

Sun 11/24:55 pmSEN - PDX

2 stops32h 05mMultiple Airlines

Deal found 9/14

$911

Wed 10/293:35 pmSEA - SEN

2 stops22h 25mMultiple Airlines

Wed 11/57:10 amSEN - SEA

2 stops17h 50mMultiple Airlines

Deal found 9/14

$994

Sat 11/152:45 pmPDX - SEN

2 stops22h 05mMultiple Airlines

Mon 11/177:15 amSEN - PDX

2 stops17h 45mMultiple Airlines

Deal found 9/15

$1,349

Thu 9/181:50 pmSEA - SEN

2 stops17h 55mMultiple Airlines

Sun 9/217:15 amSEN - SEA

3 stops39h 50mMultiple Airlines

Deal found 9/15

$1,664

Tue 10/147:35 pmSEA - SEN

2 stops16h 05mMultiple Airlines

Sat 11/17:15 amSEN - SEA

2 stops17h 45mMultiple Airlines

Deal found 9/15

$1,694

Mon 12/85:50 amSEA - SEN

3 stops29h 55mMultiple Airlines

Sun 12/217:10 amSEN - SEA

2 stops19h 10mMultiple Airlines

Deal found 9/15

$1,797

Thu 9/181:45 pmPDX - SEN

2 stops18h 00mMultiple Airlines

Mon 9/2211:05 amSEN - PDX

3 stops19h 56mMultiple Airlines

Deal found 9/14

$3,121

Best flights from Washington to Southend
Discover carefully curated flight deals from Washington to Southend that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 15, 2025.

Thu 10/233:20 pmPDX - SEN

2 stops20h 15mMultiple Airlines

Sun 11/24:55 pmSEN - PDX

2 stops32h 05mMultiple Airlines

Deal found 9/14

$911

Wed 10/293:35 pmSEA - SEN

2 stops22h 25mMultiple Airlines

Wed 11/57:10 amSEN - SEA

2 stops17h 50mMultiple Airlines

Deal found 9/14

$994

Sat 11/152:45 pmPDX - SEN

2 stops22h 05mMultiple Airlines

Mon 11/177:15 amSEN - PDX

2 stops17h 45mMultiple Airlines

Deal found 9/15

$1,349

Tue 10/147:35 pmSEA - SEN

2 stops16h 05mMultiple Airlines

Sat 11/17:15 amSEN - SEA

2 stops17h 45mMultiple Airlines

Deal found 9/15

$1,694

Mon 12/85:50 amSEA - SEN

3 stops29h 55mMultiple Airlines

Sun 12/217:10 amSEN - SEA

2 stops19h 10mMultiple Airlines

Deal found 9/15

$1,797

Thu 9/181:45 pmPDX - SEN

2 stops18h 00mMultiple Airlines

Mon 9/2211:05 amSEN - PDX

3 stops19h 56mMultiple Airlines

Deal found 9/14

$3,121

Last-minute flights from Washington to Southend
Discover last-minute flight deals from Washington to Southend. Data last updated September 15, 2025 and is based on user searches.

Thu 9/181:45 pmPDX - SEN

2 stops18h 00mMultiple Airlines

Mon 9/2211:05 amSEN - PDX

3 stops19h 56mMultiple Airlines

Deal found 9/14

$3,121

Thu 10/233:20 pmPDX - SEN

2 stops20h 15mMultiple Airlines

Sun 11/24:55 pmSEN - PDX

2 stops32h 05mMultiple Airlines

Deal found 9/14

$911

Wed 10/293:35 pmSEA - SEN

2 stops22h 25mMultiple Airlines

Wed 11/57:10 amSEN - SEA

2 stops17h 50mMultiple Airlines

Deal found 9/14

$994

One-way flights from Washington to Southend
Search for one-way flight options from Washington to Southend. Find affordable one-way fares based on user searches. Data last updated September 15, 2025.

Mon 11/1011:55 amSEA - SEN

3 stops38h 05mMultiple Airlines

Deal found 9/15

$296

Wed 10/151:02 pmSEA - SEN

2 stops23h 48mMultiple Airlines

Deal found 9/14

$307

Sat 11/1511:55 amSEA - SEN

3 stops24h 55mMultiple Airlines

Deal found 9/14

$309

Fri 10/171:50 pmSEA - SEN

3 stops25h 10mMultiple Airlines

Deal found 9/14

$330

Thu 10/161:50 pmSEA - SEN

3 stops21h 45mMultiple Airlines

Deal found 9/14

$346

Thu 10/238:40 amSEA - SEN

2 stops23h 05mMultiple Airlines

Deal found 9/14

$348

Sun 11/97:00 amSEA - SEN

3 stops32h 00mMultiple Airlines

Deal found 9/15

$355

Wed 10/2211:10 pmSEA - SEN

3 stops32h 35mMultiple Airlines

Deal found 9/15

$358

Tue 11/43:10 pmSEA - SEN

3 stops23h 45mMultiple Airlines

Deal found 9/14

$361

Tue 10/72:30 pmPDX - SEN

3 stops24h 35mMultiple Airlines

Deal found 9/13

$363

Wed 9/249:55 amSEA - SEN

2 stops26h 55mMultiple Airlines

Deal found 9/15

$384

Thu 10/91:45 pmPDX - SEN

3 stops21h 50mMultiple Airlines

Deal found 9/13

$391

Cheapflights Fare Finder

Use the filters below to find and compare flights from Washington to London Southend Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

PortlandLondon

PDX - SEN

PDXSEN

Portland

Thu 10/23

3:20 pm-7:35 pm

2 stops20h 15m

London Southend

Sun 11/2

4:55 pm-5:00 pm

2 stops32h 05m

$911

SeattleLondon

SEA - SEN

SEASEN

Seattle/Tacoma Intl

Wed 10/29

3:35 pm-9:00 pm

2 stops22h 25m

London Southend

Wed 11/5

7:10 am-5:00 pm

2 stops17h 50m

$994

PortlandLondon

PDX - SEN

PDXSEN

Portland

Sat 11/15

2:45 pm-8:50 pm

2 stops22h 05m

London Southend

Mon 11/17

7:15 am-5:00 pm

2 stops17h 45m

$1,349

SeattleLondon

SEA - SEN

SEASEN

Seattle/Tacoma Intl

Tue 10/14

7:35 pm-7:40 pm

2 stops16h 05m

London Southend

Sat 11/1

7:15 am-6:00 pm

2 stops17h 45m

$1,694

SeattleLondon

SEA - SEN

SEASEN

Seattle/Tacoma Intl

Mon 12/8

5:50 am-7:45 pm

3 stops29h 55m

London Southend

Sun 12/21

7:10 am-6:20 pm

2 stops19h 10m

$1,797

PortlandLondon

PDX - SEN

PDXSEN

Portland

Thu 9/18

1:45 pm-3:45 pm

2 stops18h 00m

London Southend

Mon 9/22

11:05 am-11:01 pm

3 stops19h 56m

$3,121

SeattleLondon

SEA - SEN

SEASEN

Seattle/Tacoma Intl

Mon 11/10

11:55 am-10:00 am

3 stops38h 05m

$296

SeattleLondon

SEA - SEN

SEASEN

Seattle/Tacoma Intl

Wed 10/15

1:02 pm-8:50 pm

2 stops23h 48m

$307

SeattleLondon

SEA - SEN

SEASEN

Seattle/Tacoma Intl

Sat 11/15

11:07 am-8:15 pm

2 stops25h 08m

$313

SeattleLondon

SEA - SEN

SEASEN

Seattle/Tacoma Intl

Fri 10/17

1:50 pm-11:00 pm

3 stops25h 10m

$330

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

Showing 1-10 of 24 results

Best time to book a flight from Washington to Southend

Have a flexible travel schedule? Discover the best time to fly to Southend from Washington 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 Washington to London Southend Airport

No data available for this route at this time. Please check back soon.

Related info for your journey

Can I find deals for flights from Washington to Southend that include hotel bookings?
Yes. In addition to deals on Washington to Southend flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Washington to Southend?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Washington to Southend.
Can I find deals for business class flights from Washington to Southend?
Yes. Cheapflights offers flight deals from Washington 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.

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Hayes

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Harrow

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Eastleigh

Dartford

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Winchester

Orpington

Gatwick

Borehamwood

Aylesbury

Bedford

Wembley

Folkestone

Chichester

Eastbourne

Sutton

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$296+ Cheap flights from Washington 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 11/10. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Washington to Southend with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Washington to Southend

Keep the following information in mind while searching for Washington to Southend flight deals. Data was last updated September 15, 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Washington to Southend

Cheapest flights from Washington to SouthendExplore the most affordable flight options available from Washington to Southend. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 15, 2025.

Explore the most affordable flight options available from Washington to Southend. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 15, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Washington to London Southend Airport that are best for you.

Best time to book a flight from Washington to Southend

Have a flexible travel schedule? Discover the best time to fly to Southend from Washington with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Washington to London Southend Airport

Related info for your journey

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

How can I find direct flights from Washington to Southend?

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

Traveling to a place near London Southend Airport?

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Cheapest flights from Washington to Southend
Explore the most affordable flight options available from Washington to Southend. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 15, 2025.