Latest deals
Insights
FAQs
Price Alerts

Cheap flights from Washington to London from $459

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 9/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

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

Trusted and free

Trusted and free

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

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Washington to London

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
7:00 am - 8:35 am
GEG
-
SOU
17h 35m
2 stops
Delta Logo
9:05 am - 7:20 pm
SOU
-
GEG
18h 15m
2 stops
$1,013Delta
Wed, Sep 9 - Wed, Sep 23
Delta Logo
5:40 pm - 8:35 am
GEG
-
SOU
54h 55m
2 stops
Delta Logo
9:05 am - 9:04 pm
SOU
-
GEG
19h 59m
2 stops
$1,018Delta
Sat, Sep 12 - Tue, Sep 29
Delta Logo
2:35 pm - 5:00 pm
SEA
-
SOU
18h 25m
1 stop
Delta Logo
5:30 pm - 11:47 am
SOU
-
SEA
26h 17m
1 stop
$1,032Delta
Tue, Nov 3 - Wed, Nov 18
Delta Logo
12:00 pm - 8:35 am
SEA
-
SOU
36h 35m
2 stops
Delta Logo
5:20 pm - 11:47 am
SOU
-
SEA
26h 27m
1 stop
$1,036Delta
Wed, Sep 2 - Mon, Sep 14
Delta Logo
12:00 pm - 8:35 am
SEA
-
SOU
36h 35m
2 stops
Delta Logo
5:20 pm - 4:13 pm
SOU
-
SEA
30h 53m
2 stops
$1,046Delta
Wed, Sep 2 - Thu, Sep 17
Delta Logo
11:10 am - 8:35 am
SEA
-
SOU
37h 25m
2 stops
Delta Logo
5:20 pm - 11:47 am
SOU
-
SEA
26h 27m
1 stop
$1,049Delta
Mon, Aug 31 - Wed, Sep 16
Delta Logo
7:15 am - 8:35 am
SEA
-
SOU
17h 20m
2 stops
Delta Logo
5:20 pm - 4:35 pm
SOU
-
SEA
31h 15m
1 stop
$1,053Delta
Sun, Aug 30 - Thu, Sep 17
Delta Logo
9:10 am - 4:50 pm
GEG
-
SOU
23h 40m
2 stops
Delta Logo
9:05 am - 9:04 pm
SOU
-
GEG
19h 59m
2 stops
$1,063Delta
Thu, Sep 10 - Tue, Sep 29
Delta Logo
7:15 am - 8:35 am
SEA
-
SOU
17h 20m
2 stops
Delta Logo
9:05 am - 8:24 pm
SOU
-
SEA
19h 19m
2 stops
$1,063Delta
Sun, Aug 30 - Fri, Sep 18
Multiple Airlines Logo
6:13 am - 4:50 pm
GEG
-
SOU
26h 37m
2 stops
Multiple Airlines Logo
5:20 pm - 12:26 pm
SOU
-
GEG
51h 06m
2 stops
$1,649Multiple Airlines
Thu, Jun 18 - Thu, Jun 25

Delta flights from State of Washington to Southampton

Our best Delta deals on State of Washington to Southampton flight tickets
Delta
Sep 9
GEG7:00 amSpokane
17h 35m
2 stops
SOU8:35 amSouthampton Eastleigh
Sep 23
SOU9:05 amSouthampton Eastleigh
18h 15m
2 stops
GEG7:20 pmSpokane
$1,013
Delta
Sep 12
GEG5:40 pmSpokane
54h 55m
2 stops
SOU8:35 amSouthampton Eastleigh
Sep 29
SOU9:05 amSouthampton Eastleigh
19h 59m
2 stops
GEG9:04 pmSpokane
$1,018
Delta
Nov 3
SEA2:35 pmSeattle/Tacoma Intl
18h 25m
1 stop
SOU5:00 pmSouthampton Eastleigh
Nov 18
SOU5:30 pmSouthampton Eastleigh
26h 17m
1 stop
SEA11:47 amSeattle/Tacoma Intl
$1,032

Aer Lingus flights from State of Washington to Southampton

Our best Aer Lingus deals on State of Washington to Southampton flight tickets
Aer Lingus
Sep 13
SEA7:10 pmSeattle/Tacoma Intl
16h 20m
1 stop
SOU7:30 pmSouthampton Eastleigh
Sep 27
SOU9:20 amSouthampton Eastleigh
15h 50m
1 stop
SEA5:10 pmSeattle/Tacoma Intl
$1,326
Aer Lingus
Jul 24
SEA7:10 pmSeattle/Tacoma Intl
13h 40m
1 stop
SOU4:50 pmSouthampton Eastleigh
Aug 3
SOU8:00 pmSouthampton Eastleigh
29h 10m
1 stop
SEA5:10 pmSeattle/Tacoma Intl
$1,502
Aer Lingus
Jun 18
SEA7:10 pmSeattle/Tacoma Intl
16h 20m
1 stop
SOU7:30 pmSouthampton Eastleigh
Jun 25
SOU9:20 amSouthampton Eastleigh
15h 50m
1 stop
SEA5:10 pmSeattle/Tacoma Intl
$1,526

momondo Fare Finder

 
Customize your flight search to find flights from State of Washington to Southampton 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, momondo users made 832,500 searches. Data last updated May 9, 2026.
Use the filters below to find and compare flights from Washington to Southampton that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

SpokaneSouthampton

GEG - SOU

GEGSOU

Spokane

Wed 9/9

7:00 am-8:35 am

2 stops17h 35m

Southampton Eastleigh

Wed 9/23

9:05 am-7:20 pm

2 stops18h 15m

$1,013

SpokaneSouthampton

GEG - SOU

GEGSOU

Spokane

Sat 9/12

5:40 pm-8:35 am

2 stops54h 55m

Southampton Eastleigh

Tue 9/29

9:05 am-9:04 pm

2 stops19h 59m

$1,018

SeattleSouthampton

SEA - SOU

SEASOU

Seattle/Tacoma Intl

Tue 11/3

2:35 pm-5:00 pm

1 stop18h 25m

Southampton Eastleigh

Wed 11/18

5:30 pm-11:47 am

1 stop26h 17m

$1,032

SeattleSouthampton

SEA - SOU

SEASOU

Seattle/Tacoma Intl

Wed 9/2

12:00 pm-8:35 am

2 stops36h 35m

Southampton Eastleigh

Mon 9/14

5:20 pm-11:47 am

1 stop26h 27m

$1,036

SeattleSouthampton

SEA - SOU

SEASOU

Seattle/Tacoma Intl

Wed 9/2

12:00 pm-8:35 am

2 stops36h 35m

Southampton Eastleigh

Thu 9/17

5:20 pm-4:13 pm

2 stops30h 53m

$1,046

SeattleSouthampton

SEA - SOU

SEASOU

Seattle/Tacoma Intl

Mon 8/31

11:10 am-8:35 am

2 stops37h 25m

Southampton Eastleigh

Wed 9/16

5:20 pm-11:47 am

1 stop26h 27m

$1,049

SeattleSouthampton

SEA - SOU

SEASOU

Seattle/Tacoma Intl

Sun 8/30

7:15 am-8:35 am

2 stops17h 20m

Southampton Eastleigh

Thu 9/17

5:20 pm-4:35 pm

1 stop31h 15m

$1,053

SpokaneSouthampton

GEG - SOU

GEGSOU

Spokane

Thu 9/10

9:10 am-4:50 pm

2 stops23h 40m

Southampton Eastleigh

Tue 9/29

9:05 am-9:04 pm

2 stops19h 59m

$1,063

SeattleSouthampton

SEA - SOU

SEASOU

Seattle/Tacoma Intl

Sun 8/30

7:15 am-8:35 am

2 stops17h 20m

Southampton Eastleigh

Fri 9/18

9:05 am-8:24 pm

2 stops19h 19m

$1,063

SpokaneSouthampton

GEG - SOU

GEGSOU

Spokane

Thu 6/18

6:13 am-4:50 pm

2 stops26h 37m

Southampton Eastleigh

Thu 6/25

5:20 pm-12:26 pm

2 stops51h 06m

$1,649

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to London from

How to get the cheapest flight ticket from State of Washington to Southampton

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

Can stopping save me money on State of Washington to Southampton flights?

You could potentially save up to 26% on your flight if you consider stops on a State of Washington to Southampton flight.

Cheap State of Washington to Southampton flight deals and tips

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

Fastest flight time

13h 40m

Direct flights

None
The fastest flight from State of Washington to Southampton takes 13h 40m
There are no direct flights from State of Washington to Southampton. There are no popular flight routes from State of Washington to Southampton.
Search flight deals

Frequently asked questions about flying from Washington to Southampton

  • When did momondo last update prices for flights from Washington to Southampton Eastleigh Airport?

    Prices for flights from Washington to Southampton Eastleigh Airport are updated daily.

  • How old do you have to be to fly from Washington to Southampton Eastleigh 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 Southampton Eastleigh Airport.

  • What documentation or ID do you need to fly to Southampton Eastleigh Airport?

    The travel and health documents required for your trip to Southampton Eastleigh Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Southampton Eastleigh Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Traveling to a place near London?

Book flights to London if you plan to visit one of these locations
Portsmouth

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Washington to Southampton. momondo saves you time and could save you money on your trip.

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

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

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

Once all potential Washington to Southampton 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 Southampton right now. Can momondo alert me if prices change?

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

An easier way to manage your Southampton 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.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Mon 6/8
Mon 6/15
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United Kingdom