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Cheap flights from District of Columbia to London from $571

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 6/11. 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 round-trip flights

Enter your travel dates to find the best prices.
KLM Logo
7:05 pm - 5:00 pm
IAD
-
SOU
17h 55m
1 stop
KLM Logo
5:20 pm - 3:35 pm
SOU
-
IAD
27h 15m
1 stop
$790KLM
Thu, Mar 19 - Sun, Apr 12
Delta Logo
12:16 pm - 8:35 am
DCA
-
SOU
15h 19m
2 stops
Delta Logo
5:20 pm - 7:55 pm
SOU
-
DCA
31h 35m
2 stops
$803Delta
Tue, Mar 31 - Sun, Apr 5
Delta Logo
5:05 pm - 4:50 pm
DCA
-
SOU
18h 45m
2 stops
Delta Logo
5:20 pm - 4:35 pm
SOU
-
DCA
28h 15m
2 stops
$804Delta
Sun, Mar 29 - Mon, Apr 6
Delta Logo
5:40 pm - 8:35 am
IAD
-
SOU
9h 55m
1 stop
Delta Logo
5:20 pm - 3:35 pm
SOU
-
IAD
27h 15m
1 stop
$844Delta
Tue, Mar 31 - Mon, Apr 6
Delta Logo
6:10 pm - 8:35 am
IAD
-
SOU
9h 25m
1 stop
Delta Logo
5:20 pm - 3:35 pm
SOU
-
IAD
27h 15m
1 stop
$845Delta
Mon, Mar 30 - Mon, Apr 6
Virgin Atlantic Logo
6:10 pm - 8:35 am
IAD
-
SOU
9h 25m
1 stop
Virgin Atlantic Logo
9:05 am - 11:03 pm
SOU
-
IAD
18h 58m
2 stops
$864Virgin Atlantic
Mon, Apr 6 - Mon, Apr 13
Aer Lingus Logo
10:00 pm - 3:35 pm
IAD
-
SOU
13h 35m
1 stop
Aer Lingus Logo
9:30 am - 8:30 pm
SOU
-
IAD
15h 00m
1 stop
$876Aer Lingus
Tue, Mar 10 - Thu, Mar 19
Aer Lingus Logo
10:00 pm - 3:35 pm
IAD
-
SOU
13h 35m
1 stop
Aer Lingus Logo
9:30 am - 8:30 pm
SOU
-
IAD
15h 00m
1 stop
$906Aer Lingus
Mon, Mar 9 - Mon, Mar 23
Multiple Airlines Logo
5:09 pm - 3:35 pm
DCA
-
SOU
18h 26m
3 stops
Multiple Airlines Logo
5:35 pm - 9:56 pm
SOU
-
DCA
32h 21m
3 stops
$1,325Multiple Airlines
Mon, Mar 9 - Fri, Mar 13
Multiple Airlines Logo
12:25 pm - 7:30 pm
DCA
-
SOU
26h 05m
2 stops
Multiple Airlines Logo
8:00 pm - 10:59 pm
SOU
-
DCA
31h 59m
2 stops
$1,355Multiple Airlines
Thu, May 28 - Mon, Jun 8

KLM flights from District of Columbia to Southampton

Our best KLM deals on District of Columbia to Southampton flight tickets
KLM
Mar 19
IAD7:05 pmWashington, D.C. Dulles Intl
17h 55m
1 stop
SOU5:00 pmSouthampton Eastleigh
Apr 12
SOU5:20 pmSouthampton Eastleigh
27h 15m
1 stop
IAD3:35 pmWashington, D.C. Dulles Intl
$790
KLM
Mar 19
IAD12:14 pmWashington, D.C. Dulles Intl
16h 06m
2 stops
SOU8:20 amSouthampton Eastleigh
Apr 12
SOU5:20 pmSouthampton Eastleigh
27h 15m
1 stop
IAD3:35 pmWashington, D.C. Dulles Intl
$909
KLM
May 28
IAD5:40 pmWashington, D.C. Dulles Intl
9h 55m
1 stop
SOU8:35 amSouthampton Eastleigh
Jun 8
SOU5:20 pmSouthampton Eastleigh
27h 15m
1 stop
IAD3:35 pmWashington, D.C. Dulles Intl
$1,111

Delta flights from District of Columbia to Southampton

Our best Delta deals on District of Columbia to Southampton flight tickets
Delta
Mar 31
DCA12:16 pmWashington, D.C. Reagan-National
15h 19m
2 stops
SOU8:35 amSouthampton Eastleigh
Apr 5
SOU5:20 pmSouthampton Eastleigh
31h 35m
2 stops
DCA7:55 pmWashington, D.C. Reagan-National
$803
Delta
Mar 29
DCA5:05 pmWashington, D.C. Reagan-National
18h 45m
2 stops
SOU4:50 pmSouthampton Eastleigh
Apr 6
SOU5:20 pmSouthampton Eastleigh
28h 15m
2 stops
DCA4:35 pmWashington, D.C. Reagan-National
$804
Delta
Mar 31
IAD5:40 pmWashington, D.C. Dulles Intl
9h 55m
1 stop
SOU8:35 amSouthampton Eastleigh
Apr 6
SOU5:20 pmSouthampton Eastleigh
27h 15m
1 stop
IAD3:35 pmWashington, D.C. Dulles Intl
$844

momondo Fare Finder

 
Customize 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 832,500 searches. Data last updated February 23, 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

Washington, D.C.Southampton

IAD - SOU

IADSOU

Washington, D.C. Dulles Intl

Thu 3/19

7:05 pm-5:00 pm

1 stop17h 55m

Southampton Eastleigh

Sun 4/12

5:20 pm-3:35 pm

1 stop27h 15m

$790

Washington, D.C.Southampton

DCA - SOU

DCASOU

Washington, D.C. Reagan-National

Tue 3/31

12:16 pm-8:35 am

2 stops15h 19m

Southampton Eastleigh

Sun 4/5

5:20 pm-7:55 pm

2 stops31h 35m

$803

Washington, D.C.Southampton

DCA - SOU

DCASOU

Washington, D.C. Reagan-National

Sun 3/29

5:05 pm-4:50 pm

2 stops18h 45m

Southampton Eastleigh

Mon 4/6

5:20 pm-4:35 pm

2 stops28h 15m

$804

Washington, D.C.Southampton

IAD - SOU

IADSOU

Washington, D.C. Dulles Intl

Tue 3/31

5:40 pm-8:35 am

1 stop9h 55m

Southampton Eastleigh

Mon 4/6

5:20 pm-3:35 pm

1 stop27h 15m

$844

Washington, D.C.Southampton

IAD - SOU

IADSOU

Washington, D.C. Dulles Intl

Mon 3/30

6:10 pm-8:35 am

1 stop9h 25m

Southampton Eastleigh

Mon 4/6

5:20 pm-3:35 pm

1 stop27h 15m

$845

Washington, D.C.Southampton

IAD - SOU

IADSOU

Washington, D.C. Dulles Intl

Mon 4/6

6:10 pm-8:35 am

1 stop9h 25m

Southampton Eastleigh

Mon 4/13

9:05 am-11:03 pm

2 stops18h 58m

$864

Washington, D.C.Southampton

IAD - SOU

IADSOU

Washington, D.C. Dulles Intl

Tue 3/10

10:00 pm-3:35 pm

1 stop13h 35m

Southampton Eastleigh

Thu 3/19

9:30 am-8:30 pm

1 stop15h 00m

$876

Washington, D.C.Southampton

IAD - SOU

IADSOU

Washington, D.C. Dulles Intl

Mon 3/9

10:00 pm-3:35 pm

1 stop13h 35m

Southampton Eastleigh

Mon 3/23

9:30 am-8:30 pm

1 stop15h 00m

$906

Washington, D.C.Southampton

DCA - SOU

DCASOU

Washington, D.C. Reagan-National

Mon 3/9

5:09 pm-3:35 pm

3 stops18h 26m

Southampton Eastleigh

Fri 3/13

5:35 pm-9:56 pm

3 stops32h 21m

$1,325

Washington, D.C.Southampton

DCA - SOU

DCASOU

Washington, D.C. Reagan-National

Thu 5/28

12:25 pm-7:30 pm

2 stops26h 05m

Southampton Eastleigh

Mon 6/8

8:00 pm-10:59 pm

2 stops31h 59m

$1,355

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 15 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?

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

What airlines fly to Southampton?

British Airways, United Airlines and American 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 55% of people opting to fly with this airline when traveling to Southampton. Keep in mind that there are 19 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

  • 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 refreshed on a daily basis.

  • How many operators does momondo search for flights from District of Columbia to Southampton Eastleigh Airport?

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, 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.

Best airlines flying from District of Columbia to Southampton

Compare and see reviews for airlines that fly from District of Columbia to Southampton with momondo
Airline
Rating
Free Cancellation
Price
Aer LingusPriceFrom $789Free CancellationRating
7.2
1,462 reviews
Search Aer Lingus flights

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 District of Columbia to Southampton?

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

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

momondo does allow users to show only those flights to Southampton from District of Columbia which offer a flexible booking policy as well as other useful filters and features.

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

momondo provides multiple filters to help you find the best flight to Southampton from District of Columbia. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from District of Columbia to Southampton right now. Can momondo alert me if prices change?

If you are not ready to book a flight from District of Columbia to Southampton now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Southampton and let you know when they change.

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