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Cheap flights from Southampton to District of Columbia from £523

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/3. Fares are subject to change and may not be available on all flights or dates of travel.
SOU — IAD
27 Feb — 6 Mar1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Southampton to District of Columbia

Enter your travel dates to find the best prices.

Cheapest flights from Southampton to District of Columbia
Explore the most affordable flight options available from Southampton to District of Columbia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 28 January 2026.

Wed 4/312:25
SOU
-
IAD
1 stop12h 05m
British Airways
Sun 8/318:05
IAD
-
SOU
1 stop10h 40m
British Airways
Deal found 26/1£523
Thu 12/308:50
SOU
-
IAD
1 stop12h 15m
KLM
Thu 19/313:19
IAD
-
SOU
2 stops15h 01m
KLM
Deal found 25/1£539
Thu 12/308:50
SOU
-
DCA
2 stops18h 49m
Delta
Thu 19/306:14
DCA
-
SOU
2 stops22h 06m
Delta
Deal found 25/1£544
Fri 13/308:50
SOU
-
DCA
2 stops18h 01m
Virgin Atlantic
Fri 20/306:14
DCA
-
SOU
2 stops22h 36m
Virgin Atlantic
Deal found 27/1£575
Fri 13/309:30
SOU
-
IAD
1 stop15h 00m
British Airways
Fri 20/318:05
IAD
-
SOU
1 stop10h 40m
British Airways
Deal found 27/1£609
Fri 13/308:50
SOU
-
IAD
1 stop12h 15m
Multiple Airlines
Fri 20/319:29
IAD
-
SOU
2 stops33h 21m
Multiple Airlines
Deal found 27/1£637
Fri 13/308:50
SOU
-
IAD
2 stops15h 40m
KLM
Fri 20/322:40
IAD
-
SOU
2 stops14h 20m
KLM
Deal found 27/1£686
Fri 13/317:35
SOU
-
DCA
3 stops30h 10m
Multiple Airlines
Fri 20/306:59
DCA
-
SOU
3 stops27h 51m
Multiple Airlines
Deal found 27/1£710
Thu 12/312:00
SOU
-
IAD
2 stops33h 40m
Multiple Airlines
Thu 19/321:30
IAD
-
SOU
3 stops30h 55m
Multiple Airlines
Deal found 25/1£837
Thu 12/318:05
SOU
-
DCA
3 stops31h 51m
Multiple Airlines
Thu 19/306:59
DCA
-
SOU
3 stops30h 31m
Multiple Airlines
Deal found 25/1£962

Find flight deals from Southampton to District of Columbia

Keep the following information in mind while searching for Southampton to District of Columbia flight deals. Data was last updated 28 January 2026.

Round-trip from

£523

Popular in

July

Cheapest in

February

Average price

£463
British Airways
  • British Airways
  • 4/3-8/3
  • 2 total stops
  • 22h 45m total
  • Southampton to District of Columbia
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (£55 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (£8 potential savings vs. average return price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Southampton to District of Columbia 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, Cheapflights users made 858,174 searches. Data last updated 28 January 2026.
Use the filters below to find and compare flights from Southampton to District of Columbia that are best for you.

Fly from

Southampton

Fly to

District of Columbia

Route

Depart

Return

Price

SouthamptonWashington, D.C.

SOU - IAD

SOUIAD

Southampton Eastleigh

Wed 4/3

12:25-19:30

1 stop12h 05m

Washington, D.C. Dulles Intl

Sun 8/3

22:00-19:40

1 stop17h 40m

£523

SouthamptonWashington, D.C.

SOU - IAD

SOUIAD

Southampton Eastleigh

Thu 12/3

08:50-17:05

1 stop12h 15m

Washington, D.C. Dulles Intl

Thu 19/3

13:19-08:20

2 stops15h 01m

£539

SouthamptonWashington, D.C.

SOU - DCA

SOUDCA

Southampton Eastleigh

Fri 13/3

08:50-23:44

2 stops18h 54m

Washington, D.C. Reagan-National

Fri 20/3

06:14-08:50

2 stops22h 36m

£544

SouthamptonWashington, D.C.

SOU - DCA

SOUDCA

Southampton Eastleigh

Thu 12/3

08:50-23:39

2 stops18h 49m

Washington, D.C. Reagan-National

Thu 19/3

06:14-08:20

2 stops22h 06m

£544

SouthamptonWashington, D.C.

SOU - DCA

SOUDCA

Southampton Eastleigh

Fri 13/3

08:50-22:51

2 stops18h 01m

Washington, D.C. Reagan-National

Fri 20/3

06:14-08:50

2 stops22h 36m

£575

SouthamptonWashington, D.C.

SOU - IAD

SOUIAD

Southampton Eastleigh

Fri 13/3

09:30-20:30

1 stop15h 00m

Washington, D.C. Dulles Intl

Fri 20/3

18:05-08:45

1 stop10h 40m

£609

SouthamptonWashington, D.C.

SOU - IAD

SOUIAD

Southampton Eastleigh

Fri 13/3

08:50-17:05

1 stop12h 15m

Washington, D.C. Dulles Intl

Fri 20/3

19:29-08:50

2 stops33h 21m

£637

SouthamptonWashington, D.C.

SOU - IAD

SOUIAD

Southampton Eastleigh

Fri 13/3

08:50-20:30

2 stops15h 40m

Washington, D.C. Dulles Intl

Fri 20/3

22:40-17:00

2 stops14h 20m

£686

SouthamptonWashington, D.C.

SOU - DCA

SOUDCA

Southampton Eastleigh

Fri 13/3

17:35-18:05

3 stops28h 30m

Washington, D.C. Reagan-National

Fri 20/3

16:10-14:50

2 stops18h 40m

£785

SouthamptonWashington, D.C.

SOU - DCA

SOUDCA

Southampton Eastleigh

Thu 12/3

18:05-21:56

3 stops31h 51m

Washington, D.C. Reagan-National

Thu 19/3

06:59-17:30

3 stops30h 31m

£962

Flights are sorted by cheapest return flights first.

Deals found on 25/1

Best time to book a flight from Southampton to District of Columbia

Have a flexible travel schedule? Discover the best time to fly to District of Columbia from Southampton with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Southampton to District of Columbia

What is the cheapest month to book a flight from Southampton to District of Columbia?

Currently, February is the cheapest month in which you can book a flight from Southampton to District of Columbia (average of £222). Flying from Southampton to District of Columbia in July is currently the most expensive (average of £464). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Reviews of airlines servicing District of Columbia

Get insights into the airlines that provide service to District of Columbia. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to District of Columbia. Reviews last updated 28 January 2026.
Get a feel of what it's like to fly with Aer Lingus from Southampton to District of Columbia by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Aer Lingus
7.2
Good
1,442 reviews
Check prices

Entertainment

6.9

Crew

8.0

Food

6.6

Overall

7.2

Comfort

7.1

Boarding

7.4

Reviews

1 / 20
6.0
Good

Anonymous,Dec 2025

MAN - DUB

They did not list a gate until it was time to board.
Aer Lingus
7.2
Good
1,442 reviews
Aer Lingus
7.2
Good
1,442 reviews
Check prices

Entertainment

6.9

Crew

8.0

Food

6.6

Overall

7.2

Comfort

7.1

Boarding

7.4

Reviews

1 / 20
6.0
Good

Anonymous,Dec 2025

MAN - DUB

They did not list a gate until it was time to board.

Related info for your journey

Find useful and relevant information for your journey from Southampton to District of Columbia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Southampton to District of Columbia?

    For a flight from Southampton to District of Columbia, you will be flying from Eastleigh. Southampton Eastleigh (SOU) is just 3.5 mi from the center of the city.

  • How long is the flight from Southampton to District of Columbia?

    There are many flights that can get you from Southampton to District of Columbia in 12h 05m. Fly via British Airways, KLM, or Delta to get the fastest option. The distance from Southampton to District of Columbia is about 3639 mi. Both multi-stop and direct flights can be found to your destination and back.

  • Can I find deals for flights from Southampton to District of Columbia that include hotel bookings?

    Yes. In addition to deals on Southampton to District of Columbia flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Southampton to District of Columbia?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Southampton to District of Columbia.

  • Can I find deals for business class flights from Southampton to District of Columbia?

    Yes. Cheapflights offers flight deals from Southampton to District of Columbia by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Southampton to District of Columbia?

    Currently, February is the cheapest month in which you can book a flight from Southampton to District of Columbia (average of £222). Flying from Southampton to District of Columbia in July is currently the most expensive (average of £464). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for Southampton to District of Columbia

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Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Southampton to District of Columbia?

When you search for this flight from Southampton to District of Columbia, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Southampton to District of Columbia?

Cheapflights helps you find that perfect flight to District of Columbia from Southampton by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Southampton to District of Columbia with no change fees?

Yes! Cheapflights helps users easily find flights from Southampton to District of Columbia with no change fees.

Can Cheapflights notify me if prices for flights from Southampton to District of Columbia become cheaper?

Yes, Cheapflights offers price alerts on Southampton to District of Columbia flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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