What is the cheapest airline that flies from Southampton Eastleigh to Washington, D.C.?

British Airways and Aer Lingus are the most popular carriers operating from Southampton Eastleigh to Washington, D.C.

What airlines fly to Washington, D.C.?

British Airways, Lufthansa and Virgin Atlantic are the top three most popular airlines that fly to Washington, D.C. from Southampton according to our data. British Airways is the first choice among our users, with 57% of people opting to fly with this airline when traveling to Washington, D.C.. Keep in mind that there are 11 different airlines that fly to Washington, D.C. on a routine basis, so you have a few additional options to choose from.

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

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

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

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Southampton Eastleigh Airport to Washington, D.C..

What documentation or ID do you need to fly to Washington, D.C.?

The necessary travel and health documents for your Washington, D.C. trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$579 Cheap Flights from Southampton to Washington, D.C. in 2026

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

Round-trip

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Cheap round-trip flights

Enter your travel dates to find the best prices.

9:20 am - 7:15 pm

SOU

IAD

14h 55m

1 stop

5:15 pm - 4:50 pm

IAD

SOU

18h 35m

1 stop

$854Aer Lingus

Wed, Jul 8 - Wed, Jul 15

9:20 am - 7:15 pm

SOU

IAD

14h 55m

1 stop

5:15 pm - 4:50 pm

IAD

SOU

18h 35m

1 stop

$855Aer Lingus

Wed, Jul 8 - Wed, Jul 15

9:20 am - 7:25 pm

SOU

IAD

15h 05m

1 stop

5:15 pm - 4:50 pm

IAD

SOU

18h 35m

1 stop

$857Aer Lingus

Wed, Jul 15 - Wed, Jul 22

6:05 pm - 10:31 pm

SOU

DCA

33h 26m

3 stops

6:00 am - 4:50 pm

DCA

SOU

29h 50m

3 stops

$876Multiple Airlines

Wed, Jul 8 - Wed, Jul 15

9:15 am - 10:31 pm

SOU

DCA

42h 16m

3 stops

11:00 am - 4:50 pm

DCA

SOU

24h 50m

2 stops

$893Multiple Airlines

Wed, Jul 8 - Wed, Jul 15

8:40 am - 9:16 am

SOU

BWI

28h 36m

2 stops

1:00 pm - 8:10 am

BWI

SOU

14h 10m

2 stops

$1,102KLM

Thu, Oct 29 - Thu, Nov 5

8:40 am - 10:55 pm

SOU

BWI

18h 15m

2 stops

1:00 pm - 8:10 am

BWI

SOU

14h 10m

2 stops

$1,104KLM

Thu, Oct 29 - Thu, Nov 5

9:15 am - 10:59 pm

SOU

DCA

18h 44m

2 stops

12:27 pm - 8:45 am

DCA

SOU

15h 18m

2 stops

$1,223Delta

Mon, Jul 13 - Mon, Jul 20

9:15 am - 9:26 pm

SOU

BWI

17h 11m

2 stops

2:08 pm - 8:45 am

BWI

SOU

13h 37m

2 stops

$1,278Delta

Mon, Jul 13 - Mon, Jul 20

6:50 am - 6:45 pm

SOU

BWI

16h 55m

2 stops

8:35 pm - 5:40 pm

BWI

SOU

16h 05m

2 stops

$1,294British Airways

Mon, Nov 23 - Sun, Dec 6

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

Our best Aer Lingus deals on Southampton to Washington, D.C. flight tickets

Aer Lingus

Jul 8

SOU9:20 amSouthampton Eastleigh

14h 55m

1 stop

IAD7:15 pmWashington, D.C. Dulles Intl

Jul 15

IAD5:15 pmWashington, D.C. Dulles Intl

18h 35m

1 stop

SOU4:50 pmSouthampton Eastleigh

$854

Aer Lingus

Jul 8

SOU9:20 amSouthampton Eastleigh

14h 55m

1 stop

IAD7:15 pmWashington, D.C. Dulles Intl

Jul 15

IAD5:15 pmWashington, D.C. Dulles Intl

18h 35m

1 stop

SOU4:50 pmSouthampton Eastleigh

$855

Aer Lingus

Jul 15

SOU9:20 amSouthampton Eastleigh

15h 05m

1 stop

IAD7:25 pmWashington, D.C. Dulles Intl

Jul 22

IAD5:15 pmWashington, D.C. Dulles Intl

18h 35m

1 stop

SOU4:50 pmSouthampton Eastleigh

$857

KLM flights from Southampton to Washington, D.C.

Our best KLM deals on Southampton to Washington, D.C. flight tickets

KLM

Oct 29

SOU8:40 amSouthampton Eastleigh

12h 05m

1 stop

IAD4:45 pmWashington, D.C. Dulles Intl

Nov 5

IAD5:45 pmWashington, D.C. Dulles Intl

9h 25m

1 stop

SOU8:10 amSouthampton Eastleigh

$1,097

KLM

Oct 29

SOU5:30 pmSouthampton Eastleigh

27h 25m

1 stop

IAD4:55 pmWashington, D.C. Dulles Intl

Nov 5

IAD5:45 pmWashington, D.C. Dulles Intl

9h 25m

1 stop

SOU8:10 amSouthampton Eastleigh

$1,099

KLM

Oct 29

SOU5:30 pmSouthampton Eastleigh

27h 25m

1 stop

IAD4:55 pmWashington, D.C. Dulles Intl

Nov 5

IAD7:59 pmWashington, D.C. Dulles Intl

16h 01m

2 stops

SOU5:00 pmSouthampton Eastleigh

$1,101

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SouthamptonWashington, D.C.

SOU - IAD

SOUIAD

Southampton Eastleigh

Wed 7/8

9:20 am-7:15 pm

1 stop14h 55m

Washington, D.C. Dulles Intl

Wed 7/15

5:15 pm-4:50 pm

1 stop18h 35m

$854

SouthamptonWashington, D.C.

SOU - IAD

SOUIAD

Southampton Eastleigh

Wed 7/8

9:20 am-7:15 pm

1 stop14h 55m

Washington, D.C. Dulles Intl

Wed 7/15

5:15 pm-4:50 pm

1 stop18h 35m

$855

SouthamptonWashington, D.C.

SOU - IAD

SOUIAD

Southampton Eastleigh

Wed 7/15

9:20 am-7:25 pm

1 stop15h 05m

Washington, D.C. Dulles Intl

Wed 7/22

5:15 pm-4:50 pm

1 stop18h 35m

$857

SouthamptonWashington, D.C.

SOU - DCA

SOUDCA

Southampton Eastleigh

Wed 7/8

6:05 pm-10:31 pm

3 stops33h 26m

Washington, D.C. Reagan-National

Wed 7/15

6:00 am-4:50 pm

3 stops29h 50m

$876

SouthamptonWashington, D.C.

SOU - DCA

SOUDCA

Southampton Eastleigh

Wed 7/8

9:15 am-10:31 pm

3 stops42h 16m

Washington, D.C. Reagan-National

Wed 7/15

11:00 am-4:50 pm

2 stops24h 50m

$893

SouthamptonBaltimore

SOU - BWI

SOUBWI

Southampton Eastleigh

Thu 10/29

8:40 am-9:16 am

2 stops28h 36m

Baltimore/Washington

Thu 11/5

1:00 pm-8:10 am

2 stops14h 10m

$1,102

SouthamptonBaltimore

SOU - BWI

SOUBWI

Southampton Eastleigh

Thu 10/29

8:40 am-10:55 pm

2 stops18h 15m

Baltimore/Washington

Thu 11/5

1:00 pm-8:10 am

2 stops14h 10m

$1,104

SouthamptonWashington, D.C.

SOU - DCA

SOUDCA

Southampton Eastleigh

Mon 7/13

9:15 am-10:59 pm

2 stops18h 44m

Washington, D.C. Reagan-National

Mon 7/20

12:27 pm-8:45 am

2 stops15h 18m

$1,223

Quickest round-trip

SouthamptonBaltimore

SOU - BWI

SOUBWI

Southampton Eastleigh

Mon 7/13

9:15 am-9:26 pm

2 stops17h 11m

Baltimore/Washington

Mon 7/20

2:08 pm-8:45 am

2 stops13h 37m

$1,278

SouthamptonBaltimore

SOU - BWI

SOUBWI

Southampton Eastleigh

Mon 11/23

6:50 am-6:45 pm

2 stops16h 55m

Baltimore/Washington

Sun 12/6

8:35 pm-5:40 pm

2 stops16h 05m

$1,294

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Southampton to Washington, D.C.

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

Prices

Airlines

What is the cheapest day to depart on your flight to Washington, D.C.?

On average, the least expensive day to fly to Washington, D.C. from Southampton is on a Thursday. momondo users have found tickets for Thursday departures for as low as $753. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Southampton to Washington, D.C. for around $887.

What is the cheapest time of day to depart on your flight to Washington, D.C.?

At noon is the cheapest time of day to fly from Southampton to Washington, D.C. when you can find flight prices for as low as $785. Flying to Washington, D.C. at noon is an ideal time because this is during off-peak travel hours. Try not to purchase tickets in the morning because they tend to be around $815. Of course, these prices can vary depending on the time of year and what airport you fly to.

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

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

Estimated round-trip price

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

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

Fastest flight time	11h 15m
Direct flights	None

The fastest flight from Southampton to Washington, D.C. takes 11h 15m

There are no direct flights from Southampton to Washington, D.C.. There are no popular flight routes from Southampton to Washington, D.C..

Search flight deals

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

How far is Southampton Eastleigh to Washington, D.C. by plane?
A flight from Southampton Eastleigh to Washington, D.C. will travel around 3622.6 mi. A reasonable flight in good conditions will take 11h 15m.
When did momondo last update prices for flights from Southampton Eastleigh Airport to Washington, D.C.?
Prices for flights from Southampton Eastleigh Airport to Washington, D.C. were last updated today.
How old do you have to be to fly from Southampton Eastleigh Airport to Washington, D.C.?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Southampton Eastleigh Airport to Washington, D.C..
What documentation or ID do you need to fly to Washington, D.C.?
The necessary travel and health documents for your Washington, D.C. trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Alexandria

National Harbor

Gettysburg

Arlington

Waldorf

Woodbridge

Laurel

Gaithersburg

Colonial Beach

Fredericksburg

Silver Spring

Rockville

Towson

Manassas

Linthicum Heights

Tysons

Springfield

Bethesda

Fairfax

College Park

Why use momondo?

Why should I use momondo to find a flight deal from Southampton to Washington, D.C.?

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

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

Yes. All flights to Washington, D.C. from Southampton on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Southampton to Washington, D.C.?

Once all potential Southampton to Washington, D.C. 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 Southampton to Washington, D.C. right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Southampton to Washington, D.C. 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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Fly into one of these airports located in Washington, D.C.

Washington, D.C. Reagan-National Airport

Washington, D.C. Dulles Intl Airport

Cheap flights from Southampton to Washington, D.C. from $579

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Southampton to Washington, D.C. departing on 11/23. 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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Aer Lingus flights from Southampton to Washington, D.C.

Our best Aer Lingus deals on Southampton to Washington, D.C. flight tickets

KLM flights from Southampton to Washington, D.C.

Our best KLM deals on Southampton to Washington, D.C. flight tickets

momondo Fare Finder

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

See travel insights to Washington, D.C. from

How to get the cheapest flight ticket from Southampton to Washington, D.C.

What is the cheapest day to depart on your flight to Washington, D.C.?

What is the cheapest time of day to depart on your flight to Washington, D.C.?

What is the cheapest airline that flies from Southampton Eastleigh to Washington, D.C.?

What airlines fly to Washington, D.C.?

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

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

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

Fastest flight time

Direct flights

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

Traveling to a place near Washington, D.C.?

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An easier way to manage your Washington, D.C. trip

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Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

Fly into one of these airports located in Washington, D.C.

Airports listed have a maximum distance of 22.4 mi from Washington, D.C.

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Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Washington, D.C.

List of cabin classes available on flights landing in Washington, D.C.. Availability may vary depending on flight origin and airline.

Popular cities in the United States

Popular flights according to clicks in the last 7 days on momondo

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