When did momondo last update prices for flights from Washington to London Southend Airport?

Prices for flights from Washington to London Southend Airport are updated daily.

How old do you have to be to fly from Washington to London Southend Airport?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Washington to London Southend Airport.

What documentation or ID do you need to fly to London Southend Airport?

The required travel and health documents for your London Southend Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at London Southend Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$292 Cheap Flights from State of Washington to London Southend Airport in 2025/26

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Cheap round-trip flights

3:20 pm - 7:35 pmPDX-SEN

20h 15m2 stops

4:55 pm - 5:00 pmSEN-PDX

32h 05m2 stops

$911

Find Deal

Thu, Oct 23 - Sun, Nov 2

3:35 pm - 9:00 pmSEA-SEN

22h 25m2 stops

7:10 am - 5:00 pmSEN-SEA

17h 50m2 stops

$994

Find Deal

Wed, Oct 29 - Wed, Nov 5

3:35 pm - 9:00 pmSEA-SEN

22h 25m2 stops

7:10 am - 5:00 pmSEN-SEA

17h 50m2 stops

$997

Find Deal

Wed, Oct 29 - Wed, Nov 5

5:50 am - 7:45 pmSEA-SEN

29h 55m3 stops

7:10 am - 6:20 pmSEN-SEA

19h 10m2 stops

$1,797

Find Deal

Mon, Dec 8 - Sun, Dec 21

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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

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

$997

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

SeattleLondon

SEA - SEN

SEASEN

Seattle/Tacoma Intl

Thu 10/16

1:50 pm-10:40 pm

3 stops48h 50m

$292

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

11:55 am-8:50 pm

3 stops24h 55m

$309

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.

Showing 1-10 of 14 resultsSorted by cheapest first

How to get the cheapest flight ticket from State of Washington to London Southend Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

How long does it take to fly to London Southend Airport?

Flight times from State of Washington to London Southend Airport vary, but if you’re flying out of Seattle and flying into London Heathrow Airport (one of the most popular routes), then the duration is 9h 20m on average. Another popular route from State of Washington to London Southend Airport is flying from Spokane to London Heathrow Airport, which will take roughly 12h 30m. Keep in mind that layovers or delays could extend your travel time.

Cheap State of Washington to London Southend Airport flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from State of Washington to London Southend Airport

Direct flights	None

There are no direct flights from State of Washington to London Southend Airport. There are no popular flight routes from State of Washington to London Southend Airport.

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When did momondo last update prices for flights from Washington to London Southend Airport?
Prices for flights from Washington to London Southend Airport are updated daily.
How old do you have to be to fly from Washington to London Southend Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Washington to London Southend Airport.
What documentation or ID do you need to fly to London Southend Airport?
The required travel and health documents for your London Southend Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at London Southend Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Gatwick

Hounslow

Dover

Luton

Slough

Milton Keynes

Hayes

Guildford

Dartford

Crawley

Stansted

Chelmsford

Brentwood

Ilford

Folkestone

Colchester

Watford

Wembley

Richmond

Croydon

Why use momondo?

Why should I use momondo to find a flight deal from Washington to London?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Washington to London. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Washington to London with flexible booking policies on momondo?

All flight searches from Washington to London on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Washington to London?

Once all potential Washington to London flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Washington to London right now. Can momondo alert me if prices change?

If you are simply researching potential flights to London, momondo offers a useful price alert feature which will track prices for flights to London from Washington and alert you when they change.

An easier way to manage your London Southend Airport trip

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Cheap flights from Washington to London from $292

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington to London departing on 10/16. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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How to get the cheapest flight ticket from State of Washington to London Southend Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

How long does it take to fly to London Southend Airport?

Cheap State of Washington to London Southend Airport flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from State of Washington to London Southend Airport

Direct flights

When did momondo last update prices for flights from Washington to London Southend Airport?

How old do you have to be to fly from Washington to London Southend Airport?

What documentation or ID do you need to fly to London Southend Airport?

Traveling to a place near London?

Why use momondo?

Why should I use momondo to find a flight deal from Washington to London?

Can I find flights from Washington to London with flexible booking policies on momondo?

How can momondo help me find flights from Washington to London?

I’m not ready to book a flight from Washington to London right now. Can momondo alert me if prices change?

An easier way to manage your London Southend Airport trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to London

Popular cities in the United Kingdom

Popular flights according to clicks in the last 7 days on momondo