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Cheap flights from Southampton to District of Columbia from £392

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 5/9. Fares are subject to change and may not be available on all flights or dates of travel.
SOU — IAD
9 Sep — 16 Sep1
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 10 August 2026.

Tue 1/920:00 -
2 stops24h 30m
Mon 7/917:00 -
2 stops18h 50m
Deal found 10/8£469
Thu 29/1009:20 -
2 stops36h 00m
Thu 5/1117:50 -
2 stops20h 40m
Deal found 6/8£525
Mon 14/917:20 -
2 stops30h 30m
Fri 25/917:00 -
2 stops18h 50m
Deal found 6/8£545
Tue 1/909:05 -
2 stops17h 40m
Mon 7/911:50 -
2 stops15h 45m
Deal found 7/8£667
Fri 18/1208:40 -
2 stops18h 23m
Thu 24/1212:59 -
2 stops14h 11m
Deal found 9/8£734
Tue 1/909:05 -
3 stops42h 26m
Mon 7/906:00 -
3 stops29h 50m
Deal found 7/8£849

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 10 August 2026.

Round-trip from

£469

One-way from

£392

Popular in

June

Cheapest in

February

Average price

£544
Aer Lingus
  • Aer Lingus
  • 1/9-7/9
  • 4 total stops
  • 43h 20m total
  • Southampton to District of Columbia
Search Deals
5/9
  • 5/9
  • 3 total stops
  • 50h 35m total
  • Southampton to District of Columbia
Search Deals
Highest demand for flights based on searches. 9% potential increase in price (£38 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (£5 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 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 10 August 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

SouthamptonWashington, D.C.

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

SOUIAD

Southampton Eastleigh

Tue 1/9

20:00-15:30

2 stops24h 30m

Washington, D.C. Dulles Intl

Mon 7/9

17:00-16:50

2 stops18h 50m

£538

SouthamptonWashington, D.C.

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

SOUIAD

Southampton Eastleigh

Tue 1/9

17:20-15:35

1 stop27h 15m

Washington, D.C. Dulles Intl

Mon 7/9

18:10-08:35

1 stop9h 25m

£650

SouthamptonWashington, D.C.

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

SOUIAD

Southampton Eastleigh

Thu 29/10

17:30-16:55

1 stop27h 25m

Washington, D.C. Dulles Intl

Thu 5/11

17:45-08:10

1 stop9h 25m

£650
Fastest return journey

SouthamptonWashington, D.C.

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

SOUIAD

Southampton Eastleigh

Thu 29/10

08:40-16:45

1 stop12h 05m

Washington, D.C. Dulles Intl

Thu 5/11

17:45-08:10

1 stop9h 25m

£655

SouthamptonWashington, D.C.

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

SOUIAD

Southampton Eastleigh

Thu 29/10

08:40-16:45

1 stop12h 05m

Washington, D.C. Dulles Intl

Thu 5/11

17:45-08:10

1 stop9h 25m

£664

SouthamptonWashington, D.C.

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

SOUDCA

Southampton Eastleigh

Tue 1/9

09:05-21:45

2 stops17h 40m

Washington, D.C. Reagan-National

Mon 7/9

11:50-08:35

2 stops15h 45m

£667

SouthamptonWashington, D.C.

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

SOUDCA

Southampton Eastleigh

Fri 18/12

08:40-22:03

2 stops18h 23m

Washington, D.C. Reagan-National

Thu 24/12

12:59-08:10

2 stops14h 11m

£734

SouthamptonWashington, D.C.

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

SOUIAD

Southampton Eastleigh

Fri 4/12

20:00-15:35

1 stop24h 35m

Washington, D.C. Dulles Intl

Thu 21/1

17:05-16:35

1 stop18h 30m

£741

SouthamptonWashington, D.C.

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

SOUIAD

Southampton Eastleigh

Thu 24/9

20:00-15:45

1 stop24h 45m

Washington, D.C. Dulles Intl

Fri 2/10

17:15-16:50

1 stop18h 35m

£746

SouthamptonWashington, D.C.

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

SOUIAD

Southampton Eastleigh

Fri 18/12

09:20-19:30

1 stop15h 10m

Washington, D.C. Dulles Intl

Sun 3/1

21:00-08:40

1 stop30h 40m

£761

Flights are sorted by cheapest return flights first.

Deals found on 6/8

Showing 1-10 of 24 resultsSorted by cheapest first
1
2
3

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 10 August 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
7.3
Good
1,693 reviews
Check prices

Overall

7.3

Entertainment

7.0

Food

6.7

Crew

8.1

Boarding

7.5

Comfort

7.2

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.
Aer Lingus
7.3
Good
1,693 reviews
Aer Lingus
7.3
Good
1,693 reviews
Check prices

Overall

7.3

Entertainment

7.0

Food

6.7

Crew

8.1

Boarding

7.5

Comfort

7.2

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 24h 30m. Fly via Aer Lingus, KLM, or Air France 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

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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 10 August 2026.
AirlineCheapestAverageFlexibilityOn-time
Aer LingusCheapest£449Average£589FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights

Fly with Cheapflights

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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?

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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