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Cheap flights from Washington, D.C. to London from $524

1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Washington, D.C. to London

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
4:00 pm - 7:30 pmIAD  Washington, D.C. Dulles Intl-SOU Southampton Eastleigh
22h 30m2 stops Toronto Pearson Intl Dublin
Multiple Airlines Logo
8:00 pm - 3:25 pmSOU  Southampton Eastleigh-IAD Washington, D.C. Dulles Intl
24h 25m2 stops Dublin Toronto Pearson Intl
$906Multiple Airlines
Mon, Oct 5 - Mon, Oct 12
Multiple Airlines Logo
11:20 pm - 12:50 pmIAD  Washington, D.C. Dulles Intl-SOU Southampton Eastleigh
32h 30m2 stops Reykjavik Keflavik Intl Glasgow Intl
Multiple Airlines Logo
9:20 am - 3:45 pmSOU  Southampton Eastleigh-IAD Washington, D.C. Dulles Intl
11h 25m1 stop Dublin
$926Multiple Airlines
Sun, Oct 4 - Sun, Oct 11
Multiple Airlines Logo
5:15 pm - 12:50 pmIAD  Washington, D.C. Dulles Intl-SOU Southampton Eastleigh
14h 35m2 stops Dublin Glasgow Intl
Multiple Airlines Logo
9:20 am - 3:45 pmSOU  Southampton Eastleigh-IAD Washington, D.C. Dulles Intl
11h 25m1 stop Dublin
$951Multiple Airlines
Mon, Oct 5 - Mon, Oct 12
Multiple Airlines Logo
3:45 pm - 7:30 pmIAD  Washington, D.C. Dulles Intl-SOU Southampton Eastleigh
22h 45m3 stops Montreal Pierre Elliott Trudeau Intl Toronto Pearson Intl Dublin
Multiple Airlines Logo
8:25 am - 8:35 pmSOU  Southampton Eastleigh-IAD Washington, D.C. Dulles Intl
41h 10m3 stops Alicante Madrid Barajas Lisbon Humberto Delgado
$986Multiple Airlines
Sun, Oct 4 - Sun, Oct 11
Multiple Airlines Logo
6:00 am - 4:50 pmDCA  Washington, D.C. Reagan-National-SOU Southampton Eastleigh
29h 50m3 stops Montreal Pierre Elliott Trudeau Intl Toronto Pearson Intl Dublin
Multiple Airlines Logo
9:25 am - 10:34 pmSOU  Southampton Eastleigh-DCA Washington, D.C. Reagan-National
42h 09m3 stops Faro Dublin Toronto Pearson Intl
$996Multiple Airlines
Thu, Oct 1 - Thu, Oct 8
Multiple Airlines Logo
6:59 am - 4:50 pmDCA  Washington, D.C. Reagan-National-SOU Southampton Eastleigh
28h 51m2 stops Toronto Pearson Intl Dublin
Multiple Airlines Logo
8:00 pm - 10:34 pmSOU  Southampton Eastleigh-DCA Washington, D.C. Reagan-National
31h 34m2 stops Dublin Toronto Pearson Intl
$997Multiple Airlines
Fri, Oct 2 - Fri, Oct 9
Multiple Airlines Logo
4:00 pm - 4:50 pmIAD  Washington, D.C. Dulles Intl-SOU Southampton Eastleigh
19h 50m3 stops Toronto Pearson Intl Dublin Amsterdam Schiphol
Multiple Airlines Logo
9:05 am - 3:25 pmSOU  Southampton Eastleigh-IAD Washington, D.C. Dulles Intl
35h 20m3 stops Amsterdam Schiphol Dublin Toronto Pearson Intl
$1,007Multiple Airlines
Mon, Oct 5 - Mon, Oct 12
Aer Lingus Logo
5:15 pm - 8:40 amIAD  Washington, D.C. Dulles Intl-SOU Southampton Eastleigh
10h 25m1 stop Dublin
Aer Lingus Logo
9:20 am - 7:10 pmSOU  Southampton Eastleigh-IAD Washington, D.C. Dulles Intl
14h 50m1 stop Dublin
$1,021Aer Lingus
Thu, Oct 1 - Thu, Oct 8
Multiple Airlines Logo
6:59 am - 11:05 amDCA  Washington, D.C. Reagan-National-SOU Southampton Eastleigh
23h 06m2 stops Toronto Pearson Intl Glasgow Intl
Multiple Airlines Logo
3:35 pm - 12:00 pmSOU  Southampton Eastleigh-DCA Washington, D.C. Reagan-National
25h 25m3 stops Paris Orly Montreal Pierre Elliott Trudeau Intl Ottawa
$1,022Multiple Airlines
Wed, Sep 30 - Wed, Oct 7
Aer Lingus Logo
5:15 pm - 4:50 pmIAD  Washington, D.C. Dulles Intl-SOU Southampton Eastleigh
18h 35m1 stop Dublin
Aer Lingus Logo
9:20 am - 3:45 pmSOU  Southampton Eastleigh-IAD Washington, D.C. Dulles Intl
11h 25m1 stop Dublin
$1,041Aer Lingus
Fri, Oct 2 - Fri, Oct 9

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Aer Lingus flights from Washington, D.C. to Southampton

Our best Aer Lingus deals on Washington, D.C. to Southampton flight tickets
Aer Lingus
Sep 30
IAD5:15 pmWashington, D.C. Dulles Intl
10h 25m
1 stop
SOU8:40 amSouthampton Eastleigh
Oct 7
SOU8:00 pmSouthampton Eastleigh
27h 50m
2 stops
IAD6:50 pmWashington, D.C. Dulles Intl
$948
Aer Lingus
Oct 1
IAD5:15 pmWashington, D.C. Dulles Intl
10h 25m
1 stop
SOU8:40 amSouthampton Eastleigh
Oct 8
SOU9:20 amSouthampton Eastleigh
14h 50m
1 stop
IAD7:10 pmWashington, D.C. Dulles Intl
$1,021
Aer Lingus
Oct 2
IAD5:15 pmWashington, D.C. Dulles Intl
18h 35m
1 stop
SOU4:50 pmSouthampton Eastleigh
Oct 9
SOU9:20 amSouthampton Eastleigh
11h 25m
1 stop
IAD3:45 pmWashington, D.C. Dulles Intl
$1,041

Delta flights from Washington, D.C. to Southampton

Our best Delta deals on Washington, D.C. to Southampton flight tickets
Delta
Sep 14
IAD6:26 pmWashington, D.C. Dulles Intl
17h 24m
2 stops
SOU4:50 pmSouthampton Eastleigh
Sep 29
SOU9:05 amSouthampton Eastleigh
11h 30m
1 stop
IAD3:35 pmWashington, D.C. Dulles Intl
$1,120
Delta
Sep 23
IAD6:10 amWashington, D.C. Dulles Intl
21h 25m
2 stops
SOU8:35 amSouthampton Eastleigh
Sep 30
SOU9:15 amSouthampton Eastleigh
19h 08m
2 stops
IAD11:23 pmWashington, D.C. Dulles Intl
$1,130
Delta
Oct 1
DCA11:10 amWashington, D.C. Reagan-National
16h 25m
2 stops
SOU8:35 amSouthampton Eastleigh
Oct 8
SOU9:05 amSouthampton Eastleigh
18h 44m
2 stops
DCA10:49 pmWashington, D.C. Reagan-National
$1,180

momondo Fare Finder

 
Use the filters below to find and compare flights from Washington, D.C. to Southampton that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Southampton

IAD Washington, D.C. Dulles Intl - SOU Southampton Eastleigh

IADSOU

Washington, D.C. Dulles Intl

Mon 10/5

4:00 pm-7:30 pm

2 stops22h 30m

Southampton Eastleigh

Mon 10/12

8:00 pm-3:25 pm

2 stops24h 25m

$906

Washington, D.C.Southampton

IAD Washington, D.C. Dulles Intl - SOU Southampton Eastleigh

IADSOU

Washington, D.C. Dulles Intl

Sun 10/4

11:20 pm-12:50 pm

2 stops32h 30m

Southampton Eastleigh

Sun 10/11

9:20 am-3:45 pm

1 stop11h 25m

$926

Washington, D.C.Southampton

IAD Washington, D.C. Dulles Intl - SOU Southampton Eastleigh

IADSOU

Washington, D.C. Dulles Intl

Mon 10/5

5:15 pm-12:50 pm

2 stops14h 35m

Southampton Eastleigh

Mon 10/12

9:20 am-3:45 pm

1 stop11h 25m

$951

Washington, D.C.Southampton

IAD Washington, D.C. Dulles Intl - SOU Southampton Eastleigh

IADSOU

Washington, D.C. Dulles Intl

Sun 10/4

3:45 pm-7:30 pm

3 stops22h 45m

Southampton Eastleigh

Sun 10/11

8:25 am-8:35 pm

3 stops41h 10m

$986

Washington, D.C.Southampton

DCA Washington, D.C. Reagan-National - SOU Southampton Eastleigh

DCASOU

Washington, D.C. Reagan-National

Thu 10/1

6:00 am-4:50 pm

3 stops29h 50m

Southampton Eastleigh

Thu 10/8

9:25 am-10:34 pm

3 stops42h 09m

$996

Washington, D.C.Southampton

DCA Washington, D.C. Reagan-National - SOU Southampton Eastleigh

DCASOU

Washington, D.C. Reagan-National

Fri 10/2

6:59 am-4:50 pm

2 stops28h 51m

Southampton Eastleigh

Fri 10/9

8:00 pm-10:34 pm

2 stops31h 34m

$997

Washington, D.C.Southampton

IAD Washington, D.C. Dulles Intl - SOU Southampton Eastleigh

IADSOU

Washington, D.C. Dulles Intl

Mon 10/5

4:00 pm-4:50 pm

3 stops19h 50m

Southampton Eastleigh

Mon 10/12

9:05 am-3:25 pm

3 stops35h 20m

$1,007
Quickest round-trip

Washington, D.C.Southampton

IAD Washington, D.C. Dulles Intl - SOU Southampton Eastleigh

IADSOU

Washington, D.C. Dulles Intl

Thu 10/1

5:15 pm-8:40 am

1 stop10h 25m

Southampton Eastleigh

Thu 10/8

9:20 am-7:10 pm

1 stop14h 50m

$1,021

Washington, D.C.Southampton

DCA Washington, D.C. Reagan-National - SOU Southampton Eastleigh

DCASOU

Washington, D.C. Reagan-National

Wed 9/30

6:59 am-11:05 am

2 stops23h 06m

Southampton Eastleigh

Wed 10/7

3:35 pm-12:00 pm

3 stops25h 25m

$1,022

Washington, D.C.Southampton

IAD Washington, D.C. Dulles Intl - SOU Southampton Eastleigh

IADSOU

Washington, D.C. Dulles Intl

Fri 10/2

5:15 pm-4:50 pm

1 stop18h 35m

Southampton Eastleigh

Fri 10/9

9:20 am-3:45 pm

1 stop11h 25m

$1,041

Flights are sorted by cheapest round-trip 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 Washington, D.C. 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

Can stopping save me money on Washington, D.C. to Southampton flights?

You could potentially save up to 27% on your flight if you consider stops on a Washington, D.C. to Southampton flight.

When to book flights from Washington, D.C. to Southampton

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. to Southampton according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Washington, D.C. to Southampton (WAS to SOU) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. to Southampton

Best Price Found

$524

Fastest flight time

10h 15m

Direct flights

None
The best one-way flight to Southampton from Washington, D.C. in the past 72 hours is $524. The best round-trip flight deal from Washington, D.C. to Southampton found on momondo in the last 72 hours is $906.
The fastest flight from Washington, D.C. to Southampton takes 10h 15m
There are no direct flights from Washington, D.C. to Southampton. There are no popular flight routes from Washington, D.C. to Southampton.
Search flight deals

Frequently asked questions about flying from Washington, D.C. to Southampton

  • How far is Washington, D.C. to Southampton Eastleigh by plane?

    Washington, D.C. and Southampton Eastleigh are 3622.6 mi apart from one another. A reasonable flight in good conditions will take 10h 15m.

  • When did momondo last update prices for flights from Washington, D.C. to Southampton Eastleigh Airport?

    Prices for flights from Washington, D.C. to Southampton Eastleigh Airport were last updated today.

  • How many operators does momondo search for flights from Washington, D.C. to Southampton Eastleigh Airport?

  • How old do you have to be to fly from Washington, D.C. 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 Washington, D.C. to Southampton Eastleigh Airport.

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

    The travel and health documents you'll need for your trip to Southampton Eastleigh Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Southampton Eastleigh Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Washington, D.C. to Southampton

Compare and see reviews for airlines that fly from Washington, D.C. to Southampton with momondo
Airline
Rating
Free Cancellation
Price
Aer LingusPriceFrom $1,064Free CancellationRating
7.3
1,711 reviews
Search Aer Lingus flights

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Can I find flights from Washington, D.C. to Southampton with flexible booking policies on momondo?

All flight searches from Washington, D.C. to Southampton on momondo can be filtered to show those which offer flexible booking policies.

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Once all potential Washington, D.C. 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.

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