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Cheap flights from District of Columbia to London from £230

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 31/8. 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
1 adult, Economy, 0 bags
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Find the cheapest flights from District of Columbia to London

Cheap return flights

Enter your travel dates to find the best prices.
Aer Lingus Logo
20:55 - 16:50
IAD
-
SOU
14h 55m
1 stop
Aer Lingus Logo
09:20 - 15:45
SOU
-
IAD
11h 25m
1 stop
£668Aer Lingus
Mon, 17 Aug - Mon, 31 Aug
Multiple Airlines Logo
20:25 - 08:45
IAD
-
SOU
31h 20m
2 stops
Multiple Airlines Logo
09:20 - 15:45
SOU
-
IAD
11h 25m
1 stop
£670Multiple Airlines
Tue, 29 Sep - Thu, 15 Oct
Multiple Airlines Logo
20:30 - 19:30
IAD
-
SOU
18h 00m
2 stops
Multiple Airlines Logo
09:25 - 20:25
SOU
-
IAD
40h 00m
3 stops
£678Multiple Airlines
Tue, 29 Sep - Thu, 15 Oct
Multiple Airlines Logo
20:30 - 19:30
IAD
-
SOU
18h 00m
2 stops
Multiple Airlines Logo
09:25 - 15:45
SOU
-
IAD
35h 20m
2 stops
£699Multiple Airlines
Tue, 29 Sep - Thu, 15 Oct
Aer Lingus Logo
17:05 - 08:40
IAD
-
SOU
10h 35m
1 stop
Aer Lingus Logo
09:20 - 15:35
SOU
-
IAD
11h 15m
1 stop
£725Aer Lingus
Tue, 5 Jan - Sat, 16 Jan
Multiple Airlines Logo
09:55 - 19:30
IAD
-
SOU
28h 35m
2 stops
Multiple Airlines Logo
19:20 - 15:10
SOU
-
IAD
24h 50m
2 stops
£731Multiple Airlines
Mon, 17 Aug - Mon, 31 Aug
Multiple Airlines Logo
09:45 - 10:15
IAD
-
SOU
19h 30m
3 stops
Multiple Airlines Logo
09:25 - 20:25
SOU
-
IAD
40h 00m
3 stops
£731Multiple Airlines
Tue, 29 Sep - Thu, 15 Oct
Delta Logo
12:59 - 08:10
DCA
-
SOU
14h 11m
2 stops
Delta Logo
08:40 - 18:59
SOU
-
DCA
15h 19m
2 stops
£829Delta
Tue, 17 Nov - Tue, 24 Nov
Delta Logo
12:55 - 08:45
DCA
-
SOU
14h 50m
2 stops
Delta Logo
09:05 - 21:45
SOU
-
DCA
17h 40m
2 stops
£875Delta
Mon, 17 Aug - Mon, 31 Aug
Delta Logo
08:29 - 08:45
DCA
-
SOU
19h 16m
2 stops
Delta Logo
09:15 - 22:00
SOU
-
DCA
17h 45m
2 stops
£926Delta
Sun, 2 Aug - Fri, 14 Aug

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Aer Lingus flights from District of Columbia to Southampton

Our best Aer Lingus deals on District of Columbia to Southampton flight tickets
Aer Lingus
17 Aug
IAD20:55Washington, D.C. Dulles Intl
14h 55m
1 stop
SOU16:50Southampton Eastleigh
31 Aug
SOU09:20Southampton Eastleigh
11h 25m
1 stop
IAD15:45Washington, D.C. Dulles Intl
£668
Aer Lingus
5 Jan
IAD17:05Washington, D.C. Dulles Intl
10h 35m
1 stop
SOU08:40Southampton Eastleigh
16 Jan
SOU09:20Southampton Eastleigh
11h 15m
1 stop
IAD15:35Washington, D.C. Dulles Intl
£725
Aer Lingus
15 Aug
IAD17:15Washington, D.C. Dulles Intl
10h 20m
1 stop
SOU08:35Southampton Eastleigh
21 Aug
SOU09:20Southampton Eastleigh
11h 25m
1 stop
IAD15:45Washington, D.C. Dulles Intl
£798

KLM flights from District of Columbia to Southampton

Our best KLM deals on District of Columbia to Southampton flight tickets
KLM
6 Sept
IAD17:40Washington, D.C. Dulles Intl
18h 10m
1 stop
SOU16:50Southampton Eastleigh
15 Sept
SOU09:05Southampton Eastleigh
11h 30m
1 stop
IAD15:35Washington, D.C. Dulles Intl
£827
KLM
29 Sept
IAD17:40Washington, D.C. Dulles Intl
10h 05m
1 stop
SOU08:45Southampton Eastleigh
15 Oct
SOU09:05Southampton Eastleigh
11h 30m
1 stop
IAD15:35Washington, D.C. Dulles Intl
£828
KLM
6 Sept
IAD17:40Washington, D.C. Dulles Intl
18h 10m
1 stop
SOU16:50Southampton Eastleigh
15 Sept
SOU09:05Southampton Eastleigh
11h 30m
1 stop
IAD15:35Washington, D.C. Dulles Intl
£829

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 18 July 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 17/8

20:55-16:50

1 stop14h 55m

Southampton Eastleigh

Mon 31/8

09:20-15:45

1 stop11h 25m

£668

Washington, D.C.Southampton

IAD - SOU

IADSOU

Washington, D.C. Dulles Intl

Tue 29/9

20:25-08:45

2 stops31h 20m

Southampton Eastleigh

Thu 15/10

09:20-15:45

1 stop11h 25m

£670

Washington, D.C.Southampton

IAD - SOU

IADSOU

Washington, D.C. Dulles Intl

Tue 29/9

20:30-19:30

2 stops18h 00m

Southampton Eastleigh

Thu 15/10

09:25-20:25

3 stops40h 00m

£678

Washington, D.C.Southampton

IAD - SOU

IADSOU

Washington, D.C. Dulles Intl

Tue 29/9

20:30-19:30

2 stops18h 00m

Southampton Eastleigh

Thu 15/10

09:25-15:45

2 stops35h 20m

£699
Fastest return journey

Washington, D.C.Southampton

IAD - SOU

IADSOU

Washington, D.C. Dulles Intl

Tue 5/1

17:05-08:40

1 stop10h 35m

Southampton Eastleigh

Sat 16/1

09:20-15:35

1 stop11h 15m

£725

Washington, D.C.Southampton

IAD - SOU

IADSOU

Washington, D.C. Dulles Intl

Mon 17/8

09:55-19:30

2 stops28h 35m

Southampton Eastleigh

Mon 31/8

19:20-15:10

2 stops24h 50m

£731

Washington, D.C.Southampton

IAD - SOU

IADSOU

Washington, D.C. Dulles Intl

Tue 29/9

09:45-10:15

3 stops19h 30m

Southampton Eastleigh

Thu 15/10

09:25-20:25

3 stops40h 00m

£731

Washington, D.C.Southampton

DCA - SOU

DCASOU

Washington, D.C. Reagan-National

Tue 17/11

12:59-08:10

2 stops14h 11m

Southampton Eastleigh

Tue 24/11

08:40-18:59

2 stops15h 19m

£829

Washington, D.C.Southampton

DCA - SOU

DCASOU

Washington, D.C. Reagan-National

Mon 17/8

12:55-08:45

2 stops14h 50m

Southampton Eastleigh

Mon 31/8

09:05-21:45

2 stops17h 40m

£875

Washington, D.C.Southampton

DCA - SOU

DCASOU

Washington, D.C. Reagan-National

Sun 2/8

08:29-08:45

2 stops19h 16m

Southampton Eastleigh

Fri 14/8

09:15-22:00

2 stops17h 45m

£926

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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?

Virgin Atlantic, KLM, and Aer Lingus are the most popular carriers operating from District of Columbia to Southampton Eastleigh

Which airlines fly to Southampton?

British Airways, United Airlines and Virgin Atlantic 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 48% of people opting to fly with this airline when travelling to Southampton. Keep in mind that there are 5 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.

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