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Cheap flights from Southampton to District of Columbia from £484

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 11/5. Fares are subject to change and may not be available on all flights or dates of travel.
SOU — IAD
31 Mar — 7 Apr1
1 adult

Cheap 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 26 March 2025.

Round-trip from

£593

One-way from

£484

Popular in

July

Cheapest in

February

Average price

£525
Aer Lingus
  • Aer Lingus
  • 9/5-16/5
  • 2 total stops
  • 28h 35m total
  • Southampton to District of Columbia
Search Deals
Aer Lingus
  • Aer Lingus
  • 11/5
  • 1 total stop
  • 24h 50m total
  • Southampton to District of Columbia
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (£62 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 March 2025
Search Deals

Find flight deals from Southampton to District of Columbia

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 26 March 2025.

Fri 9/509:40SOU - IAD
1 stop14h 15mAer Lingus
Fri 16/520:25IAD - SOU
1 stop14h 20mAer Lingus
Deal found 25/3£593
Fri 9/517:35SOU - IAD
2 stops23h 10mVirgin Atlantic
Fri 16/517:40IAD - SOU
2 stops18h 10mVirgin Atlantic
Deal found 25/3£642
Tue 8/417:35SOU - IAD
1 stop27h 00mDelta
Tue 15/413:44IAD - SOU
2 stops14h 01mDelta
Deal found 25/3£793
Tue 8/409:20SOU - DCA
2 stops14h 56mDelta
Wed 16/415:25DCA - SOU
2 stops12h 20mDelta
Deal found 25/3£797
Fri 9/509:40SOU - IAD
3 stops32h 34mMultiple Airlines
Fri 16/518:10IAD - SOU
2 stops18h 20mMultiple Airlines
Deal found 25/3£897

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 26 March 2025.
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 9/5

09:40-18:55

1 stop14h 15m

Washington, D.C. Dulles Intl

Fri 16/5

20:25-15:45

1 stop14h 20m

£593

SouthamptonWashington, D.C.

SOU - IAD

SOUIAD

Southampton Eastleigh

Fri 9/5

17:35-11:45

2 stops23h 10m

Washington, D.C. Dulles Intl

Fri 16/5

17:40-16:50

2 stops18h 10m

£642

SouthamptonWashington, D.C.

SOU - IAD

SOUIAD

Southampton Eastleigh

Tue 8/4

09:20-15:35

1 stop11h 15m

Washington, D.C. Dulles Intl

Mon 14/4

17:25-08:50

1 stop10h 25m

£793

SouthamptonWashington, D.C.

SOU - DCA

SOUDCA

Southampton Eastleigh

Tue 8/4

09:20-19:16

2 stops14h 56m

Washington, D.C. Reagan-National

Wed 16/4

15:25-08:45

2 stops12h 20m

£797

SouthamptonWashington, D.C.

SOU - IAD

SOUIAD

Southampton Eastleigh

Fri 9/5

09:40-13:14

3 stops32h 34m

Washington, D.C. Dulles Intl

Fri 16/5

18:10-17:30

2 stops18h 20m

£897

SouthamptonWashington, D.C.

SOU - IAD

SOUIAD

Southampton Eastleigh

Sun 11/5

20:00-15:50

1 stop24h 50m

£484

SouthamptonWashington, D.C.

SOU - IAD

SOUIAD

Southampton Eastleigh

Tue 22/4

09:20-15:35

1 stop11h 15m

£1,212

SouthamptonWashington, D.C.

SOU - DCA

SOUDCA

Southampton Eastleigh

Tue 22/4

09:20-18:20

2 stops38h 00m

£1,217

Flights are sorted by cheapest return flights first.

Deals found on 26/3

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

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 £599). Flying from Southampton to District of Columbia in July is currently the most expensive (average of £947). 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.

Rainfall in District of Columbia by month

Plan your trip to District of Columbia by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in District of Columbia ranges from 66.0 - 102.0 inches per month. May is typically the wettest month, when rainfall can reach 102.0 mm. February is typically the driest time to visit District of Columbia when rainfall is around 66.0 mm.

Temperature in District of Columbia by month

Plan your trip to District of Columbia by taking into account the average temperature totals by month.

If weather is an important factor for your trip to District of Columbia, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 27.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 2.0 C).

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 26 March 2025.
Delta
8.0
Very Good
7,891 reviews
Check prices

Entertainment

7.9

Overall

8.0

Boarding

8.2

Comfort

8.0

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very Good
7,891 reviews
Delta
8.0
Very Good
7,891 reviews
Check prices

Entertainment

7.9

Overall

8.0

Boarding

8.2

Comfort

8.0

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Virgin Atlantic
7.4
Good
634 reviews
Delta
8.0
Very Good
7,891 reviews
Check prices

Entertainment

7.9

Overall

8.0

Boarding

8.2

Comfort

8.0

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Aer Lingus
7.0
Good
1,062 reviews
Delta
8.0
Very Good
7,891 reviews
Check prices

Entertainment

7.9

Overall

8.0

Boarding

8.2

Comfort

8.0

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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.

  • 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 £599). Flying from Southampton to District of Columbia in July is currently the most expensive (average of £947). 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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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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