Latest deals
Insights
FAQs
Price Alerts

Cheap flights from District of Columbia to London from £338

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from District of Columbia to London departing on 13/5. 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
Voted winner of Europe's Best Travel App 2023

Save money when you book flights with momondo

Big names, great deals

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise 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 District of Columbia to London

Cheap return flights

Enter your travel dates to find the best prices.
KLM Logo
18:10 - 08:45
IAD
-
SOU
9h 35m
1 stop
KLM Logo
17:20 - 15:35
SOU
-
IAD
27h 15m
1 stop
£822KLM
Mon, 24 Aug - Mon, 7 Sep
Delta Logo
17:40 - 08:45
IAD
-
SOU
10h 05m
1 stop
Delta Logo
09:05 - 15:35
SOU
-
IAD
11h 30m
1 stop
£823Delta
Tue, 11 Aug - Tue, 1 Sep
KLM Logo
18:10 - 08:45
IAD
-
SOU
9h 35m
1 stop
KLM Logo
17:20 - 15:35
SOU
-
IAD
27h 15m
1 stop
£824KLM
Mon, 24 Aug - Mon, 7 Sep
KLM Logo
18:40 - 17:35
IAD
-
SOU
17h 55m
2 stops
KLM Logo
17:20 - 15:35
SOU
-
IAD
27h 15m
1 stop
£826KLM
Mon, 24 Aug - Mon, 7 Sep
Delta Logo
07:00 - 08:45
IAD
-
SOU
20h 45m
2 stops
Delta Logo
17:20 - 15:35
SOU
-
IAD
27h 15m
1 stop
£826Delta
Tue, 11 Aug - Tue, 1 Sep
KLM Logo
12:00 - 08:45
IAD
-
SOU
15h 45m
2 stops
KLM Logo
17:20 - 15:35
SOU
-
IAD
27h 15m
1 stop
£828KLM
Mon, 24 Aug - Mon, 7 Sep
Delta Logo
17:40 - 08:45
IAD
-
SOU
10h 05m
1 stop
Delta Logo
09:05 - 18:33
SOU
-
IAD
38h 28m
2 stops
£830Delta
Tue, 11 Aug - Mon, 31 Aug
Delta Logo
10:40 - 08:45
IAD
-
SOU
17h 05m
2 stops
Delta Logo
09:05 - 18:33
SOU
-
IAD
38h 28m
2 stops
£833Delta
Tue, 11 Aug - Mon, 31 Aug
Multiple Airlines Logo
09:55 - 12:25
IAD
-
SOU
21h 30m
2 stops
Multiple Airlines Logo
09:15 - 18:58
SOU
-
IAD
38h 43m
3 stops
£835Multiple Airlines
Sun, 24 May - Sun, 31 May
Delta Logo
18:10 - 16:50
IAD
-
SOU
17h 40m
1 stop
Delta Logo
17:20 - 15:35
SOU
-
IAD
27h 15m
1 stop
£853Delta
Wed, 23 Sep - Mon, 28 Sep

KLM flights from District of Columbia to Southampton

Our best KLM deals on District of Columbia to Southampton flight tickets
KLM
24 Aug
IAD18:10Washington, D.C. Dulles Intl
9h 35m
1 stop
SOU08:45Southampton Eastleigh
7 Sept
SOU17:20Southampton Eastleigh
27h 15m
1 stop
IAD15:35Washington, D.C. Dulles Intl
£824
KLM
24 Aug
IAD12:00Washington, D.C. Dulles Intl
15h 45m
2 stops
SOU08:45Southampton Eastleigh
7 Sept
SOU17:20Southampton Eastleigh
27h 15m
1 stop
IAD15:35Washington, D.C. Dulles Intl
£828
KLM
24 Aug
IAD18:10Washington, D.C. Dulles Intl
18h 25m
1 stop
SOU17:35Southampton Eastleigh
7 Sept
SOU17:20Southampton Eastleigh
27h 15m
1 stop
IAD15:35Washington, D.C. Dulles Intl
£859

Aer Lingus flights from District of Columbia to Southampton

Our best Aer Lingus deals on District of Columbia to Southampton flight tickets
Aer Lingus
1 Sept
IAD17:15Washington, D.C. Dulles Intl
18h 35m
1 stop
SOU16:50Southampton Eastleigh
11 Sept
SOU09:20Southampton Eastleigh
16h 00m
2 stops
IAD20:20Washington, D.C. Dulles Intl
£949
Aer Lingus
20 Aug
IAD17:15Washington, D.C. Dulles Intl
10h 25m
1 stop
SOU08:40Southampton Eastleigh
31 Aug
SOU20:00Southampton Eastleigh
24h 45m
1 stop
IAD15:45Washington, D.C. Dulles Intl
£979
Aer Lingus
10 May
IAD17:15Washington, D.C. Dulles Intl
10h 25m
1 stop
SOU08:40Southampton Eastleigh
16 May
SOU20:00Southampton Eastleigh
24h 45m
1 stop
IAD15:45Washington, D.C. Dulles Intl
£990

momondo Fare Finder

 
Customise your flight search to find flights from District of Columbia 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 279,928 searches. Data last updated 11 April 2026.
Use the filters below to find and compare flights from District of Columbia to Southampton that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

Washington, D.C.Southampton

IAD - SOU

IADSOU

Washington, D.C. Dulles Intl

Mon 24/8

18:10-08:45

1 stop9h 35m

Southampton Eastleigh

Mon 7/9

17:20-15:35

1 stop27h 15m

£822
Fastest return journey

Washington, D.C.Southampton

IAD - SOU

IADSOU

Washington, D.C. Dulles Intl

Tue 11/8

17:40-08:45

1 stop10h 05m

Southampton Eastleigh

Tue 1/9

09:05-15:35

1 stop11h 30m

£823

Washington, D.C.Southampton

IAD - SOU

IADSOU

Washington, D.C. Dulles Intl

Mon 24/8

18:10-08:45

1 stop9h 35m

Southampton Eastleigh

Mon 7/9

17:20-15:35

1 stop27h 15m

£824

Washington, D.C.Southampton

IAD - SOU

IADSOU

Washington, D.C. Dulles Intl

Mon 24/8

18:40-17:35

2 stops17h 55m

Southampton Eastleigh

Mon 7/9

17:20-15:35

1 stop27h 15m

£826

Washington, D.C.Southampton

IAD - SOU

IADSOU

Washington, D.C. Dulles Intl

Tue 11/8

07:00-08:45

2 stops20h 45m

Southampton Eastleigh

Tue 1/9

17:20-15:35

1 stop27h 15m

£826

Washington, D.C.Southampton

IAD - SOU

IADSOU

Washington, D.C. Dulles Intl

Mon 24/8

12:00-08:45

2 stops15h 45m

Southampton Eastleigh

Mon 7/9

17:20-15:35

1 stop27h 15m

£828

Washington, D.C.Southampton

IAD - SOU

IADSOU

Washington, D.C. Dulles Intl

Tue 11/8

17:40-08:45

1 stop10h 05m

Southampton Eastleigh

Mon 31/8

09:05-18:33

2 stops38h 28m

£830

Washington, D.C.Southampton

IAD - SOU

IADSOU

Washington, D.C. Dulles Intl

Tue 11/8

10:40-08:45

2 stops17h 05m

Southampton Eastleigh

Mon 31/8

09:05-18:33

2 stops38h 28m

£833

Washington, D.C.Southampton

IAD - SOU

IADSOU

Washington, D.C. Dulles Intl

Sun 24/5

09:55-12:25

2 stops21h 30m

Southampton Eastleigh

Sun 31/5

09:15-18:58

3 stops38h 43m

£835

Washington, D.C.Southampton

IAD - SOU

IADSOU

Washington, D.C. Dulles Intl

Wed 23/9

18:10-16:50

1 stop17h 40m

Southampton Eastleigh

Mon 28/9

17:20-15:35

1 stop27h 15m

£853

Flights are sorted by cheapest return 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 District of Columbia 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

What is the cheapest airline that flies from District of Columbia to Southampton Eastleigh?

Aer Lingus and Delta are the most popular carriers operating from District of Columbia to Southampton Eastleigh

Which airlines fly to Southampton?

British Airways, Virgin Atlantic and United Airlines are the top three most popular airlines that fly to Southampton from District of Columbia according to our data. British Airways is the first choice among our users, with 52% of people opting to fly with this airline when travelling to Southampton. Keep in mind that there are 6 different airlines that fly to Southampton on a routine basis, so you have a few additional options to choose from.

Cheap District of Columbia to Southampton flight deals and tips

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

Fastest flight time

9h 25m

Direct flights

None
The fastest flight from District of Columbia to Southampton takes 9h 25m
There are no direct flights from District of Columbia to Southampton. There are no popular flight routes from District of Columbia to Southampton.
Search flight deals

Frequently asked questions about flying from District of Columbia to Southampton

  • When did momondo last update prices for flights from District of Columbia to Southampton Eastleigh Airport?

    Prices for flights from District of Columbia to Southampton Eastleigh Airport are updated daily.

  • How old do you have to be to fly from District of Columbia to Southampton Eastleigh Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from District of Columbia to Southampton Eastleigh Airport.

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

    The required travel and health documents for your Southampton Eastleigh 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 Southampton Eastleigh Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Travelling 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 District of Columbia to Southampton?

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

Can I find flights from District of Columbia to Southampton with flexible booking policies on momondo?

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

How can momondo help me find flights from District of Columbia to Southampton?

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

Of course. momondo tracks the price of District of Columbia to Southampton flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

An easier way to manage your Southampton trip

We make it super easy to schedule, organise 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 11/5
Mon 18/5
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United Kingdom