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Cheap flights from District of Columbia to London from £286

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 16/10. 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
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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.
Multiple Airlines Logo
20:30 - 16:50
IAD
-
SOU
15h 20m
2 stops
Multiple Airlines Logo
19:20 - 15:10
SOU
-
IAD
24h 50m
2 stops
£657Multiple Airlines
Mon, 24 Aug - Mon, 7 Sep
Multiple Airlines Logo
20:30 - 20:45
IAD
-
SOU
19h 15m
2 stops
Multiple Airlines Logo
20:40 - 15:10
SOU
-
IAD
47h 30m
3 stops
£678Multiple Airlines
Sun, 23 Aug - Mon, 7 Sep
Multiple Airlines Logo
09:45 - 16:50
IAD
-
SOU
26h 05m
3 stops
Multiple Airlines Logo
20:40 - 15:10
SOU
-
IAD
47h 30m
3 stops
£687Multiple Airlines
Sun, 23 Aug - Mon, 7 Sep
Multiple Airlines Logo
09:45 - 19:30
IAD
-
SOU
28h 45m
3 stops
Multiple Airlines Logo
20:40 - 15:10
SOU
-
IAD
47h 30m
3 stops
£688Multiple Airlines
Mon, 24 Aug - Mon, 7 Sep
Multiple Airlines Logo
08:28 - 16:50
IAD
-
SOU
27h 22m
2 stops
Multiple Airlines Logo
19:20 - 20:35
SOU
-
IAD
30h 15m
2 stops
£691Multiple Airlines
Sun, 23 Aug - Mon, 7 Sep
Multiple Airlines Logo
20:30 - 19:30
IAD
-
SOU
18h 00m
2 stops
Multiple Airlines Logo
09:20 - 19:20
SOU
-
IAD
15h 00m
2 stops
£701Multiple Airlines
Wed, 15 Jul - Wed, 22 Jul
Aer Lingus Logo
17:15 - 08:40
IAD
-
SOU
10h 25m
1 stop
Aer Lingus Logo
09:20 - 15:45
SOU
-
IAD
11h 25m
1 stop
£745Aer Lingus
Wed, 15 Jul - Wed, 22 Jul
Delta Logo
12:55 - 08:45
DCA
-
SOU
14h 50m
2 stops
Delta Logo
09:15 - 21:50
SOU
-
DCA
17h 35m
2 stops
£828Delta
Tue, 1 Sep - Wed, 9 Sep
Delta Logo
13:42 - 08:45
DCA
-
SOU
14h 03m
2 stops
Delta Logo
09:15 - 22:00
SOU
-
DCA
17h 45m
2 stops
£865Delta
Sun, 2 Aug - Wed, 12 Aug
Delta Logo
10:15 - 08:45
DCA
-
SOU
17h 30m
2 stops
Delta Logo
09:05 - 22:05
SOU
-
DCA
18h 00m
2 stops
£875Delta
Tue, 25 Aug - Mon, 7 Sep

Delta flights from District of Columbia to Southampton

Our best Delta deals on District of Columbia to Southampton flight tickets
Delta
6 Sept
IAD17:40Washington, D.C. Dulles Intl
9h 55m
1 stop
SOU08:35Southampton Eastleigh
15 Sept
SOU09:05Southampton Eastleigh
11h 30m
1 stop
IAD15:35Washington, D.C. Dulles Intl
£818
Delta
6 Sept
IAD11:06Washington, D.C. Dulles Intl
16h 29m
2 stops
SOU08:35Southampton Eastleigh
15 Sept
SOU09:05Southampton Eastleigh
11h 30m
1 stop
IAD15:35Washington, D.C. Dulles Intl
£821
Delta
6 Sept
IAD11:06Washington, D.C. Dulles Intl
16h 29m
2 stops
SOU08:35Southampton Eastleigh
15 Sept
SOU09:05Southampton Eastleigh
11h 30m
1 stop
IAD15:35Washington, D.C. Dulles Intl
£822

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 Jul
IAD20:55Washington, D.C. Dulles Intl
17h 35m
1 stop
SOU19:30Southampton Eastleigh
30 Jul
SOU09:20Southampton Eastleigh
11h 25m
1 stop
IAD15:45Washington, D.C. Dulles Intl
£793
Aer Lingus
24 Aug
IAD17:15Washington, D.C. Dulles Intl
10h 25m
1 stop
SOU08:40Southampton Eastleigh
7 Sept
SOU09:20Southampton Eastleigh
11h 25m
1 stop
IAD15:45Washington, D.C. Dulles Intl
£807
Aer Lingus
24 Aug
IAD17:15Washington, D.C. Dulles Intl
10h 25m
1 stop
SOU08:40Southampton Eastleigh
7 Sept
SOU20:00Southampton Eastleigh
24h 45m
1 stop
IAD15:45Washington, D.C. Dulles Intl
£878

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 31 May 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

20:30-16:50

2 stops15h 20m

Southampton Eastleigh

Mon 7/9

19:20-15:10

2 stops24h 50m

£657

Washington, D.C.Southampton

IAD - SOU

IADSOU

Washington, D.C. Dulles Intl

Sun 23/8

20:30-20:45

2 stops19h 15m

Southampton Eastleigh

Mon 7/9

20:40-15:10

3 stops47h 30m

£678

Washington, D.C.Southampton

IAD - SOU

IADSOU

Washington, D.C. Dulles Intl

Sun 23/8

09:45-16:50

3 stops26h 05m

Southampton Eastleigh

Mon 7/9

20:40-15:10

3 stops47h 30m

£687

Washington, D.C.Southampton

IAD - SOU

IADSOU

Washington, D.C. Dulles Intl

Mon 24/8

09:45-19:30

3 stops28h 45m

Southampton Eastleigh

Mon 7/9

20:40-15:10

3 stops47h 30m

£688

Washington, D.C.Southampton

IAD - SOU

IADSOU

Washington, D.C. Dulles Intl

Sun 23/8

08:28-16:50

2 stops27h 22m

Southampton Eastleigh

Mon 7/9

19:20-20:35

2 stops30h 15m

£691

Washington, D.C.Southampton

IAD - SOU

IADSOU

Washington, D.C. Dulles Intl

Wed 15/7

20:30-19:30

2 stops18h 00m

Southampton Eastleigh

Wed 22/7

09:20-19:20

2 stops15h 00m

£701
Fastest return journey

Washington, D.C.Southampton

IAD - SOU

IADSOU

Washington, D.C. Dulles Intl

Wed 15/7

17:15-08:40

1 stop10h 25m

Southampton Eastleigh

Wed 22/7

09:20-15:45

1 stop11h 25m

£745

Washington, D.C.Southampton

DCA - SOU

DCASOU

Washington, D.C. Reagan-National

Tue 1/9

12:55-08:45

2 stops14h 50m

Southampton Eastleigh

Wed 9/9

09:15-21:50

2 stops17h 35m

£828

Washington, D.C.Southampton

DCA - SOU

DCASOU

Washington, D.C. Reagan-National

Sun 2/8

13:42-08:45

2 stops14h 03m

Southampton Eastleigh

Wed 12/8

09:15-22:00

2 stops17h 45m

£865

Washington, D.C.Southampton

DCA - SOU

DCASOU

Washington, D.C. Reagan-National

Tue 25/8

10:15-08:45

2 stops17h 30m

Southampton Eastleigh

Mon 7/9

09:05-22:05

2 stops18h 00m

£875

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?

KLM 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 50% 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.

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