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Cheap flights from District of Columbia to London from £255

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 8/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags
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Cheap return flights

Aer Lingus Logo
17:20 - 08:40IAD-SOU
10h 20m1 stop
Aer Lingus Logo
09:10 - 19:30SOU-IAD
15h 20m1 stop
£506Aer Lingus
Find Deal
Wed, 24 Sep - Wed, 1 Oct
Aer Lingus Logo
17:20 - 08:40IAD-SOU
10h 20m1 stop
Aer Lingus Logo
09:10 - 19:30SOU-IAD
15h 20m1 stop
£634Aer Lingus
Find Deal
Wed, 10 Sep - Wed, 24 Sep
Aer Lingus Logo
17:20 - 08:40IAD-SOU
10h 20m1 stop
Aer Lingus Logo
09:10 - 19:30SOU-IAD
15h 20m1 stop
£641Aer Lingus
Find Deal
Wed, 10 Sep - Wed, 24 Sep
Logo
17:50 - 18:55IAD-SOU
20h 05m2 stops
Logo
20:00 - 15:20SOU-IAD
24h 20m2 stops
£658
Find Deal
Thu, 25 Sep - Thu, 2 Oct
Virgin Atlantic Logo
17:25 - 08:45IAD-SOU
10h 20m1 stop
Virgin Atlantic Logo
09:20 - 15:35SOU-IAD
11h 15m1 stop
£667Virgin Atlantic
Find Deal
Fri, 26 Sep - Fri, 3 Oct
Delta Logo
17:25 - 17:50IAD-SOU
19h 25m1 stop
Delta Logo
18:05 - 15:35SOU-IAD
26h 30m1 stop
£684Delta
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Sat, 27 Sep - Sat, 11 Oct
Delta Logo
15:26 - 08:45IAD-SOU
36h 19m2 stops
Delta Logo
08:50 - 16:05SOU-IAD
12h 15m1 stop
£688Delta
Find Deal
Mon, 1 Sep - Thu, 4 Dec
KLM Logo
14:50 - 08:45DCA-SOU
12h 55m2 stops
KLM Logo
09:20 - 20:42SOU-DCA
16h 22m2 stops
£690KLM
Find Deal
Fri, 26 Sep - Fri, 3 Oct
KLM Logo
13:20 - 08:45DCA-SOU
14h 25m2 stops
KLM Logo
09:20 - 20:42SOU-DCA
16h 22m2 stops
£692KLM
Find Deal
Wed, 24 Sep - Wed, 1 Oct
Logo
20:30 - 08:40IAD-SOU
31h 10m3 stops
Logo
09:00 - 22:10SOU-IAD
18h 10m2 stops
£728
Find Deal
Wed, 24 Sep - Wed, 1 Oct

KLM flights from District of Columbia to Southampton

Our best KLM deals on District of Columbia to Southampton flight tickets
KLM
26 Sept
DCA14:50Washington, D.C. Reagan-National
12h 55m
2 stops
SOU08:45Southampton Eastleigh
3 Oct
SOU09:20Southampton Eastleigh
16h 22m
2 stops
DCA20:42Washington, D.C. Reagan-National
£690
Find similar
KLM
24 Sept
DCA13:20Washington, D.C. Reagan-National
14h 25m
2 stops
SOU08:45Southampton Eastleigh
1 Oct
SOU09:20Southampton Eastleigh
16h 22m
2 stops
DCA20:42Washington, D.C. Reagan-National
£692
Find similar
KLM
25 Sept
DCA13:20Washington, D.C. Reagan-National
14h 25m
2 stops
SOU08:45Southampton Eastleigh
2 Oct
SOU09:20Southampton Eastleigh
16h 22m
2 stops
DCA20:42Washington, D.C. Reagan-National
£696
Find similar

Aer Lingus flights from District of Columbia to Southampton

Our best Aer Lingus deals on District of Columbia to Southampton flight tickets
Aer Lingus
24 Sept
IAD17:20Washington, D.C. Dulles Intl
10h 20m
1 stop
SOU08:40Southampton Eastleigh
1 Oct
SOU09:10Southampton Eastleigh
15h 20m
1 stop
IAD19:30Washington, D.C. Dulles Intl
£506
Find similar
Aer Lingus
10 Sept
IAD17:20Washington, D.C. Dulles Intl
10h 20m
1 stop
SOU08:40Southampton Eastleigh
24 Sept
SOU09:10Southampton Eastleigh
15h 20m
1 stop
IAD19:30Washington, D.C. Dulles Intl
£634
Find similar
Aer Lingus
10 Sept
IAD17:20Washington, D.C. Dulles Intl
10h 20m
1 stop
SOU08:40Southampton Eastleigh
24 Sept
SOU09:10Southampton Eastleigh
15h 20m
1 stop
IAD19:30Washington, D.C. Dulles Intl
£641
Find similar

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 12 August 2025.
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

Washington, D.C.Southampton

IAD - SOU

IADSOU

Washington, D.C. Dulles Intl

Wed 24/9

17:20-08:40

1 stop10h 20m

Southampton Eastleigh

Wed 1/10

09:10-19:30

1 stop15h 20m

£506

Washington, D.C.Southampton

IAD - SOU

IADSOU

Washington, D.C. Dulles Intl

Wed 10/9

17:20-08:40

1 stop10h 20m

Southampton Eastleigh

Wed 24/9

09:10-19:30

1 stop15h 20m

£634

Washington, D.C.Southampton

IAD - SOU

IADSOU

Washington, D.C. Dulles Intl

Wed 10/9

17:20-08:40

1 stop10h 20m

Southampton Eastleigh

Wed 24/9

09:10-19:30

1 stop15h 20m

£641

Washington, D.C.Southampton

IAD - SOU

IADSOU

Washington, D.C. Dulles Intl

Thu 25/9

17:50-18:55

2 stops20h 05m

Southampton Eastleigh

Thu 2/10

20:00-15:20

2 stops24h 20m

£658

Washington, D.C.Southampton

IAD - SOU

IADSOU

Washington, D.C. Dulles Intl

Fri 26/9

17:25-08:45

1 stop10h 20m

Southampton Eastleigh

Fri 3/10

09:20-15:35

1 stop11h 15m

£667

Washington, D.C.Southampton

IAD - SOU

IADSOU

Washington, D.C. Dulles Intl

Sat 27/9

17:25-17:50

1 stop19h 25m

Southampton Eastleigh

Sat 11/10

18:05-15:35

1 stop26h 30m

£684

Washington, D.C.Southampton

IAD - SOU

IADSOU

Washington, D.C. Dulles Intl

Mon 1/9

15:26-08:45

2 stops36h 19m

Southampton Eastleigh

Thu 4/12

08:50-16:05

1 stop12h 15m

£688

Washington, D.C.Southampton

DCA - SOU

DCASOU

Washington, D.C. Reagan-National

Fri 26/9

14:50-08:45

2 stops12h 55m

Southampton Eastleigh

Fri 3/10

09:20-20:42

2 stops16h 22m

£690

Washington, D.C.Southampton

DCA - SOU

DCASOU

Washington, D.C. Reagan-National

Wed 24/9

13:20-08:45

2 stops14h 25m

Southampton Eastleigh

Wed 1/10

09:20-20:42

2 stops16h 22m

£692

Washington, D.C.Southampton

IAD - SOU

IADSOU

Washington, D.C. Dulles Intl

Wed 24/9

20:30-08:40

3 stops31h 10m

Southampton Eastleigh

Wed 1/10

09:00-22:10

2 stops18h 10m

£728

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
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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, Delta, and Aer Lingus are the most popular carriers operating from District of Columbia to Southampton Eastleigh

Which airlines fly to Southampton?

British Airways, Virgin Atlantic and Iberia 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 44% of people opting to fly with this airline when travelling to Southampton. Keep in mind that there are 9 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

Best price found

£255

Fastest flight time

10h 20m

Direct flights

None

Airports in Southampton

1 airport
The best one-way flight to Southampton from District of Columbia in the past 72 hours is £255. The best return flight deal from District of Columbia to Southampton found on momondo in the last 72 hours is £506.
The fastest flight from District of Columbia to Southampton takes 10h 20m
There are no direct flights from District of Columbia to Southampton. Popular non-direct routes for this connection are Washington, D.C. Dulles Intl Airport - Southampton Eastleigh Airport and Washington, D.C. Reagan-National Airport - Southampton Eastleigh Airport.
There is 1 airport near Southampton: Southampton Eastleigh (SOU)
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  • 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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