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 a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Washington to London Southend Airport.

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

The travel and health documents you'll need for your trip to London Southend Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at London Southend Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

£244 Cheap Flights from State of Washington to London Southend Airport in 2026

1 adult

0 bags

Voted winner of Europe's Best Travel App 2023

Save money when you book flights with momondo

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from Washington to London

Round-trip

One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

19:00 - 19:20

SEA

SEN

16h 20m

2 stops

11:10 - 20:40

SEN

SEA

17h 30m

2 stops

£782Multiple Airlines

Sat, 1 Aug - Mon, 10 Aug

05:45 - 11:20

SEA

SEN

21h 35m

3 stops

06:30 - 16:59

SEN

SEA

18h 29m

2 stops

£974Multiple Airlines

Mon, 22 Jun - Tue, 30 Jun

19:05 - 18:50

PDX

SEN

15h 45m

2 stops

07:35 - 17:55

SEN

PDX

18h 20m

2 stops

£1,316Multiple Airlines

Sun, 21 Jun - Sun, 28 Jun

13:30 - 11:45

SEA

SEN

14h 15m

1 stop

07:55 - 22:42

SEN

SEA

22h 47m

3 stops

£1,324Multiple Airlines

Tue, 23 Jun - Sat, 4 Jul

momondo 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

Cheapest return flight

Fastest return journey

SeattleLondon

SEA - SEN

SEASEN

Seattle/Tacoma Intl

Sat 1/8

19:00-19:20

2 stops16h 20m

London Southend

Mon 10/8

11:10-20:40

2 stops17h 30m

£782

SeattleLondon

SEA - SEN

SEASEN

Seattle/Tacoma Intl

Mon 22/6

05:45-11:20

3 stops21h 35m

London Southend

Tue 30/6

06:30-16:59

2 stops18h 29m

£974

PortlandLondon

PDX - SEN

PDXSEN

Portland

Sun 21/6

19:05-18:50

2 stops15h 45m

London Southend

Sun 28/6

07:35-17:55

2 stops18h 20m

£1,316

SeattleLondon

SEA - SEN

SEASEN

Seattle/Tacoma Intl

Tue 23/6

13:30-11:45

1 stop14h 15m

London Southend

Sat 4/7

07:55-22:42

3 stops22h 47m

£1,324

Cheapest one-way

PortlandLondon

PDX - SEN

PDXSEN

Portland

Wed 21/10

15:30-12:15

3 stops36h 45m

£244

PortlandLondon

PDX - SEN

PDXSEN

Portland

Sat 25/7

15:30-07:10

3 stops31h 40m

£270

SeattleLondon

SEA - SEN

SEASEN

Seattle/Tacoma Intl

Fri 24/7

23:25-07:10

3 stops47h 45m

£272

PortlandLondon

PDX - SEN

PDXSEN

Portland

Thu 20/8

15:30-08:40

3 stops33h 10m

£273

Fastest single journey

SeattleLondon

SEA - SEN

SEASEN

Seattle/Tacoma Intl

Sat 17/10

15:40-23:20

3 stops23h 40m

£278

PortlandLondon

PDX - SEN

PDXSEN

Portland

Tue 18/8

15:30-16:40

3 stops41h 10m

£281

Flights are sorted by cheapest return 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 15m 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 55m. 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

Fastest flight time	15h 45m
Direct flights	None

The fastest flight from State of Washington to London Southend Airport takes 15h 45m

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.

Search flight deals

Frequently asked questions about flying from Washington to London Southend Airport

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 a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Washington to London Southend Airport.
What documentation or ID do you need to fly to London Southend Airport?
The travel and health documents you'll need for your trip to London Southend Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at London Southend Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Eastbourne

Milton Keynes

Gatwick

Luton

Wembley

Slough

Maidstone

Southend-on-Sea

Ipswich

Canterbury

Ilford

Hayes

Guildford

Folkestone

Chelmsford

Bedford

Dover

Harlow

Chichester

Colchester

Why use momondo?

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

It is quick and easy to find Washington to London flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to London that suits you.

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

Yes. momondo allows you to filter the results for Washington to London flights to just show those with flexible booking policies.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to London from Washington.

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

Yes momondo offers price alerts on flights to London from Washington. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.