Find flights
When to book
Airlines
FAQs

Cheap flights from Southampton to District of Columbia from £415

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 27/5. Fares are subject to change and may not be available on all flights or dates of travel.
SOU — IAD
14 Mar — 21 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 12 February 2026.

Fri 27/309:30
SOU
-
IAD
1 stop15h 00m
Aer Lingus
Fri 3/420:40
IAD
-
SOU
1 stop14h 55m
Aer Lingus
Deal found 10/2£628
Sat 28/309:30
SOU
-
IAD
1 stop15h 00m
Aer Lingus
Sat 4/420:40
IAD
-
SOU
1 stop14h 55m
Aer Lingus
Deal found 11/2£638
Sat 28/309:30
SOU
-
IAD
1 stop15h 00m
Multiple Airlines
Sat 4/420:40
IAD
-
SOU
2 stops30h 55m
Multiple Airlines
Deal found 11/2£726
Mon 22/617:55
SOU
-
IAD
2 stops30h 40m
Multiple Airlines
Sat 27/617:15
IAD
-
SOU
1 stop10h 20m
Multiple Airlines
Deal found 11/2£813
Wed 4/312:25
SOU
-
IAD
1 stop12h 05m
British Airways
Sun 8/322:00
IAD
-
SOU
1 stop17h 40m
British Airways
Deal found 8/2£854
Fri 27/320:10
SOU
-
IAD
1 stop23h 25m
Multiple Airlines
Fri 3/420:30
IAD
-
SOU
2 stops31h 55m
Multiple Airlines
Deal found 10/2£858
Sat 28/309:30
SOU
-
DCA
2 stops28h 26m
Multiple Airlines
Sat 4/418:29
DCA
-
SOU
2 stops33h 11m
Multiple Airlines
Deal found 11/2£1,014
Fri 27/320:10
SOU
-
DCA
2 stops27h 35m
Multiple Airlines
Fri 3/406:59
DCA
-
SOU
2 stops30h 11m
Multiple Airlines
Deal found 10/2£1,035

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 12 February 2026.

Round-trip from

£628

One-way from

£415

Popular in

July

Cheapest in

January

Average price

£459
Aer Lingus
  • Aer Lingus
  • 27/3-3/4
  • 2 total stops
  • 29h 55m total
  • Southampton to District of Columbia
Search Deals
27/5
  • 27/5
  • 3 total stops
  • 24h 11m total
  • Southampton to District of Columbia
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (£57 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£8 potential savings vs. average return price).
Search Deals
Average for round-trip flights in February 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 12 February 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

Fri 27/3

09:30-20:30

1 stop15h 00m

Washington, D.C. Dulles Intl

Fri 3/4

20:40-16:35

1 stop14h 55m

£628

SouthamptonWashington, D.C.

SOU - IAD

SOUIAD

Southampton Eastleigh

Sat 28/3

09:30-20:30

1 stop15h 00m

Washington, D.C. Dulles Intl

Sat 4/4

20:40-16:35

1 stop14h 55m

£638

SouthamptonWashington, D.C.

SOU - IAD

SOUIAD

Southampton Eastleigh

Mon 22/6

17:55-19:35

2 stops30h 40m

Washington, D.C. Dulles Intl

Sat 27/6

17:15-08:35

1 stop10h 20m

£813

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

£854

SouthamptonWashington, D.C.

SOU - IAD

SOUIAD

Southampton Eastleigh

Fri 27/3

20:10-15:35

1 stop23h 25m

Washington, D.C. Dulles Intl

Fri 3/4

20:30-09:25

2 stops31h 55m

£858

SouthamptonWashington, D.C.

SOU - DCA

SOUDCA

Southampton Eastleigh

Sat 28/3

09:30-09:56

2 stops28h 26m

Washington, D.C. Reagan-National

Sat 4/4

18:29-08:40

2 stops33h 11m

£1,014

SouthamptonWashington, D.C.

SOU - DCA

SOUDCA

Southampton Eastleigh

Fri 27/3

20:10-19:45

2 stops27h 35m

Washington, D.C. Reagan-National

Fri 3/4

06:59-18:10

2 stops30h 11m

£1,035

SouthamptonWashington, D.C.

SOU - IAD

SOUIAD

Southampton Eastleigh

Wed 27/5

15:35-10:46

3 stops24h 11m

£415

SouthamptonWashington, D.C.

SOU - DCA

SOUDCA

Southampton Eastleigh

Wed 27/5

15:35-10:19

2 stops23h 44m

£447

SouthamptonWashington, D.C.

SOU - IAD

SOUIAD

Southampton Eastleigh

Fri 29/5

09:10-19:15

1 stop15h 05m

£529

Flights are sorted by cheapest return flights first.

Deals found on 10/2

Showing 1-10 of 19 results
1
2

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, January is the cheapest month in which you can book a flight from Southampton to District of Columbia (average of £329). Flying from Southampton to District of Columbia in June is currently the most expensive (average of £461). 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 12 February 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
1,449 reviews
Check prices

Overall

7.2

Boarding

7.4

Comfort

7.1

Entertainment

6.9

Crew

8.0

Food

6.6

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
1,449 reviews
Aer Lingus
7.2
Good
1,449 reviews
Check prices

Overall

7.2

Boarding

7.4

Comfort

7.1

Entertainment

6.9

Crew

8.0

Food

6.6

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 15h. Fly via Aer Lingus to get the fastest option. The distance from Southampton to District of Columbia is about 3639 mi.

  • 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, January is the cheapest month in which you can book a flight from Southampton to District of Columbia (average of £329). Flying from Southampton to District of Columbia in June is currently the most expensive (average of £461). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Southampton to District of Columbia

See prices for flight routes from nearby airports that may be better suited for you.
Heathrow to John F Kennedy Intl flights
Heathrow to Newark flights
Heathrow to LaGuardia flights
Gatwick to John F Kennedy Intl flights
Gatwick to Newark flights
Heathrow to Orlando flights
London City to John F Kennedy Intl flights
Heathrow to Los Angeles flights
Heathrow to Miami flights
Stansted to John F Kennedy Intl flights
Gatwick to LaGuardia flights
Gatwick to Orlando flights
London City to Newark flights
Manchester to Orlando flights
Luton to John F Kennedy Intl flights
Heathrow to Dallas/Fort Worth flights
Heathrow to Las Vegas flights
Heathrow to San Francisco flights
Manchester to John F Kennedy Intl flights
Stansted to Newark flights
Heathrow to Boston flights
Luton to Newark flights
Heathrow to Seattle flights
Heathrow to O'Hare Intl flights
Heathrow to Dulles Intl flights
Gatwick to Los Angeles flights
Gatwick to Miami flights
Heathrow to Atlanta flights
Heathrow to Tampa flights
Gatwick to Boston flights
Heathrow to Hobby flights
Heathrow to Baltimore flights
London City to Miami flights
Stansted to Miami flights
Stansted to Los Angeles flights
London City to Los Angeles flights
Stansted to Orlando flights
Edinburgh to John F Kennedy Intl flights
Manchester to Newark flights
London City to Orlando flights
Heathrow to George Bush Intcntl flights
Edinburgh to Newark flights
Manchester to LaGuardia flights
Heathrow to Ontario flights
Heathrow to Denver flights
Gatwick to Las Vegas flights
Heathrow to San Diego flights
London City to Boston flights
Luton to Miami flights
Heathrow to Philadelphia flights

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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.