Cheap flights from Southampton to District of Columbia from £354

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/9. Fares are subject to change and may not be available on all flights or dates of travel.
SOU — IAD
27 Jul — 3 Aug1
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 27 June 2026.

Mon 7/909:20
SOU
-
IAD
1 stop11h 25m
British Airways
Mon 14/917:15
IAD
-
SOU
1 stop10h 25m
British Airways
Deal found 23/6£515
Thu 29/1017:05
SOU
-
IAD
1 stop31h 25m
British Airways
Thu 5/1117:05
IAD
-
SOU
1 stop18h 30m
British Airways
Deal found 25/6£517
Wed 15/709:20
SOU
-
IAD
1 stop11h 25m
British Airways
Wed 22/717:15
IAD
-
SOU
1 stop10h 25m
British Airways
Deal found 25/6£519
Thu 2/720:00
SOU
-
IAD
1 stop28h 15m
British Airways
Mon 6/717:15
IAD
-
SOU
1 stop18h 35m
British Airways
Deal found 23/6£524
Fri 3/720:00
SOU
-
IAD
1 stop24h 45m
British Airways
Thu 16/717:15
IAD
-
SOU
1 stop10h 25m
British Airways
Deal found 23/6£525
Wed 22/720:00
SOU
-
IAD
1 stop24h 45m
British Airways
Wed 29/717:15
IAD
-
SOU
1 stop10h 25m
British Airways
Deal found 24/6£526
Fri 21/820:00
SOU
-
IAD
1 stop24h 45m
British Airways
Wed 26/820:55
IAD
-
SOU
1 stop14h 55m
British Airways
Deal found 25/6£528
Fri 21/820:00
SOU
-
IAD
1 stop28h 10m
British Airways
Tue 25/817:15
IAD
-
SOU
1 stop18h 35m
British Airways
Deal found 24/6£529
Thu 27/809:20
SOU
-
IAD
1 stop14h 50m
British Airways
Mon 31/817:15
IAD
-
SOU
1 stop10h 25m
British Airways
Deal found 22/6£551
Thu 6/809:15
SOU
-
DCA
2 stops16h 18m
Delta
Thu 13/811:00
DCA
-
SOU
2 stops16h 45m
Delta
Deal found 22/6£694
Tue 4/809:15
SOU
-
DCA
2 stops16h 18m
Delta
Wed 19/811:50
DCA
-
SOU
2 stops15h 55m
Delta
Deal found 26/6£800
Mon 7/909:20
SOU
-
DCA
2 stops13h 36m
Multiple Airlines
Mon 7/922:31
DCA
-
SOU
2 stops28h 34m
Multiple Airlines
Deal found 24/6£1,015

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 27 June 2026.

Round-trip from

£515

One-way from

£354

Popular in

June

Cheapest in

February

Average price

£596
British Airways
  • British Airways
  • 7/9-14/9
  • 2 total stops
  • 21h 50m total
  • Southampton to District of Columbia
7/9
  • 7/9
  • 2 total stops
  • 24h 50m total
  • Southampton to District of Columbia
Highest demand for flights based on searches. 9% potential increase in price (£41 potential increase over avg. return price).
Cheapest flight prices on average. 1% potential price decrease (£5 potential savings vs. average return price).
Average for round-trip flights in June 2026

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 27 June 2026.
Use the filters below to find and compare flights from Southampton to District of Columbia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight
Fastest return journey

SouthamptonWashington, D.C.

SOU - IAD

SOUIAD

Southampton Eastleigh

Mon 7/9

09:20-15:45

1 stop11h 25m

Washington, D.C. Dulles Intl

Mon 14/9

17:15-08:40

1 stop10h 25m

£515

SouthamptonWashington, D.C.

SOU - IAD

SOUIAD

Southampton Eastleigh

Thu 29/10

17:05-20:30

1 stop31h 25m

Washington, D.C. Dulles Intl

Thu 5/11

17:05-16:35

1 stop18h 30m

£517

SouthamptonWashington, D.C.

SOU - IAD

SOUIAD

Southampton Eastleigh

Thu 6/8

09:20-15:45

1 stop11h 25m

Washington, D.C. Dulles Intl

Thu 13/8

20:40-19:30

1 stop17h 50m

£528

SouthamptonWashington, D.C.

SOU - IAD

SOUIAD

Southampton Eastleigh

Fri 21/8

20:00-19:10

1 stop28h 10m

Washington, D.C. Dulles Intl

Tue 25/8

17:15-16:50

1 stop18h 35m

£529

SouthamptonWashington, D.C.

SOU - IAD

SOUIAD

Southampton Eastleigh

Thu 27/8

09:20-19:10

1 stop14h 50m

Washington, D.C. Dulles Intl

Mon 31/8

17:15-08:40

1 stop10h 25m

£551

SouthamptonWashington, D.C.

SOU - IAD

SOUIAD

Southampton Eastleigh

Thu 29/10

08:40-16:45

1 stop12h 05m

Washington, D.C. Dulles Intl

Thu 5/11

13:00-08:10

2 stops14h 10m

£556

SouthamptonWashington, D.C.

SOU - IAD

SOUIAD

Southampton Eastleigh

Thu 29/10

08:40-23:02

2 stops18h 22m

Washington, D.C. Dulles Intl

Thu 5/11

10:05-08:10

2 stops17h 05m

£572

SouthamptonWashington, D.C.

SOU - DCA

SOUDCA

Southampton Eastleigh

Thu 6/8

09:15-20:33

2 stops16h 18m

Washington, D.C. Reagan-National

Thu 13/8

11:00-08:45

2 stops16h 45m

£694

SouthamptonWashington, D.C.

SOU - DCA

SOUDCA

Southampton Eastleigh

Tue 4/8

09:15-20:33

2 stops16h 18m

Washington, D.C. Reagan-National

Wed 19/8

11:50-08:45

2 stops15h 55m

£800

SouthamptonWashington, D.C.

SOU - DCA

SOUDCA

Southampton Eastleigh

Mon 7/9

09:20-17:56

2 stops13h 36m

Washington, D.C. Reagan-National

Mon 7/9

22:31-08:05

2 stops28h 34m

£1,015

Flights are sorted by cheapest return flights first.

Deals found on 26/6

Showing 1-10 of 26 resultsSorted by cheapest first
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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
No data available for this route at this time. Please check back soon.

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 27 June 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.

Food

6.7

Crew

8.1

Comfort

7.2

Overall

7.3

Entertainment

7.0

Boarding

7.4

Reviews

1 / 20
10.0
Excellent

Griffith,Feb 2026

MAN - DUB

Great experience. Crew was friendly, food was better than what I have experienced with some other airlines and seat pitch was adequate. I would fly Aer Lingus again.

Food

6.7

Crew

8.1

Comfort

7.2

Overall

7.3

Entertainment

7.0

Boarding

7.4

Reviews

1 / 20
10.0
Excellent

Griffith,Feb 2026

MAN - DUB

Great experience. Crew was friendly, food was better than what I have experienced with some other airlines and seat pitch was adequate. I would fly Aer Lingus again.

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 11h 25m. Fly via British Airways 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.

See more FAQs

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Alternative routes for Southampton to District of Columbia

See prices for flight routes from nearby airports that may be better suited for you.

Top airline flying from Southampton to District of Columbia

Discover the top airline that operate flights from Southampton to District of Columbia. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 27 June 2026.
AirlineCheapestAverageFlexibilityOn-time
Aer LingusCheapest£459Average£602FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights

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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?

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

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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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