Southampton

$586+ Cheap flights from Dulles Intl (IAD) to Southampton (SOU)

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 3/14. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — SOU
Nov 26 — Dec 31
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Dulles Intl to Southampton with Cheapflights

1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”
2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.
3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Dulles Intl to Southampton

Discover tips and strategies to find the most affordable flight options for your journey from Dulles Intl (IAD) to Southampton (SOU). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated November 21, 2024.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Popular in

July

Cheapest in

November

Round-trip from

$943
(British Airways)

One-way from

$586
(KAYAK)
Provider with most accurate pricing for Washington, D.C. Dulles Intl-Southampton Eastleigh flight deals.
Provider most trusted by Cheapflights users for Washington, D.C. Dulles Intl-Southampton Eastleigh flights.
High demand for flights, 31% potential price rise
Best time to find cheap flights, 34% potential price drop
From Washington, D.C. Dulles Intl to Southampton Eastleigh
One-way flight from Washington, D.C. Dulles Intl to Southampton Eastleigh

Find flight deals from Dulles Intl to Southampton

Cheapest flights from Dulles Intl to Southampton
Explore the most affordable flight options available from Dulles Intl to Southampton. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 21, 2024.

This British Airways deal was found by Cheapflights users on 11/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/305:10 pmIAD - SOU
1 stop10h 35mBritish Airways
Fri 1/109:30 amSOU - IAD
1 stop11h 10mBritish Airways
Deal found 11/21$931
This eDestinos deal was found by Cheapflights users on 11/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/135:10 pmIAD - SOU
1 stop10h 35mAer Lingus
Sun 12/229:30 amSOU - IAD
1 stop14h 45mAer Lingus
Deal found 11/21$1,029
This CheapOair deal was found by Cheapflights users on 11/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/135:10 pmIAD - SOU
2 stops35h 05mMultiple Airlines
Sun 12/228:10 pmSOU - IAD
2 stops28h 35mMultiple Airlines
Deal found 11/21$1,412

Find flights from Dulles Intl to Southampton within your budget

Customize your flight search to find flights from Dulles Intl to Southampton 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 2,612,795 searches. Data last updated November 21, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

Washington, D.C.Southampton

IAD - SOU

IADSOU

Washington, D.C. Dulles Intl

Thu 2/27

12:27 pm-8:25 am

2 stops14h 58m

Southampton Eastleigh

Fri 3/7

5:20 pm-3:45 pm

1 stop27h 25m

$772

Washington, D.C.Southampton

IAD - SOU

IADSOU

Washington, D.C. Dulles Intl

Thu 2/27

7:40 pm-5:20 pm

2 stops16h 40m

Southampton Eastleigh

Fri 3/7

2:25 pm-3:00 pm

3 stops29h 35m

$871

Washington, D.C.Southampton

IAD - SOU

IADSOU

Washington, D.C. Dulles Intl

Thu 2/27

5:10 pm-8:45 am

1 stop10h 35m

Southampton Eastleigh

Fri 3/7

8:10 pm-3:40 pm

1 stop24h 30m

$922

Washington, D.C.Southampton

IAD - SOU

IADSOU

Washington, D.C. Dulles Intl

Mon 12/30

5:10 pm-8:45 am

1 stop10h 35m

Southampton Eastleigh

Fri 1/10

9:30 am-3:40 pm

1 stop11h 10m

$931

Washington, D.C.Southampton

IAD - SOU

IADSOU

Washington, D.C. Dulles Intl

Fri 3/14

6:10 pm-8:45 am

1 stop10h 35m

$586

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/20

  • Most accurate provider: When it comes to deals on Washington, D.C. Dulles Intl Airport-Southampton flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Washington, D.C. Dulles Intl Airport-Southampton flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Washington, D.C. Dulles Intl Airport-Southampton flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Washington, D.C. Dulles Intl Airport-Southampton flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Washington, D.C. Dulles Intl Airport-Southampton flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Dulles Intl to Southampton

Have a flexible travel schedule? Discover the best time to fly to Southampton from Dulles Intl with our price prediction graph.
Estimated round-trip 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.

Travel insights for flights from Dulles Intl to Southampton

Get recent, data-driven insights about flights from Dulles Intl to Southampton including ideal travel times, pricing trends, and more.

What is the cheapest time of day to fly from IAD to SOU?

Find hourly flight availability from Dulles Intl to Southampton. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 21, 2024.

It’s optimal to fly from Washington, D.C. Dulles Intl Airport to Southampton at noon. By choosing this option you can save up to 13% on the cost of your flight, compared to a flight in the morning.

Rainfall in Southampton by month

Plan your trip to Southampton by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Southampton ranges from 1.0 - 3.0 inches per month. December is typically the wettest month, when rainfall can reach 3.0 in. July is typically the driest time to visit Southampton when rainfall is around 1.0 in.

Temperature in Southampton by month

Plan your trip to Southampton by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Southampton, 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 64.4 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 39.2 F).

Reviews of airlines servicing Southampton

Get insights into the airlines that provide service to Southampton. 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 Southampton. Reviews last updated November 21, 2024.
7.1
Good
1,089 reviews

Boarding

7.3

Comfort

7.1

Entertainment

6.8

Food

6.5

Overall

7.1

Crew

8.0

Reviews

1 / 10

Our experience with Aer Lingus was really good, all the crew members were really friendly

7.1
Good
1,089 reviews
7.1
Good
1,089 reviews

Boarding

7.3

Comfort

7.1

Entertainment

6.8

Food

6.5

Overall

7.1

Crew

8.0

Reviews

1 / 10

Our experience with Aer Lingus was really good, all the crew members were really friendly

6.7
Okay
6,831 reviews
7.1
Good
1,089 reviews

Boarding

7.3

Comfort

7.1

Entertainment

6.8

Food

6.5

Overall

7.1

Crew

8.0

Reviews

1 / 10

Our experience with Aer Lingus was really good, all the crew members were really friendly

Related info for your journey

Find useful and relevant information for your journey from Dulles Intl to Southampton. 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 into for flights to Southampton from Washington, D.C. Dulles Intl?

    For a flight from Washington, D.C. Dulles Intl to Southampton, you will be flying into Eastleigh. Southampton Eastleigh (SOU) is just 3.5 mi from the center of the city. Eastleigh is the only Southampton airport and it handles 0 inbound flights from Washington, D.C. Dulles Intl per day. 3 airlines have flights to Southampton Eastleigh from Washington, D.C. Dulles Intl on a regular basis.

  • What are the cheapest airlines flying from Washington, D.C. Dulles Intl Airport to Southampton round-trip?

    Currently priced at $943, British Airways will fly you from Washington, D.C. Dulles Intl Airport to Southampton and back. In addition to British Airways, many other airlines offer competitively priced options for your trip. Check Cheapflights for deals on Aer Lingus for as low as $1,029. British Airways is priced at 4% lower than the current average price of a flight leaving 3 months from now.

  • Can I find deals for flights from Dulles Intl to Southampton that include hotel bookings?

    Yes. In addition to deals on Dulles Intl to Southampton flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Dulles Intl to Southampton?

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

  • Can I find deals for business class flights from Dulles Intl to Southampton?

    Yes. Cheapflights offers flight deals from Dulles Intl to Southampton 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

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 Dulles Intl to Southampton

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

Top 3 airlines flying from Dulles Intl to Southampton

Discover the top 3 airlines that operate flights from Dulles Intl to Southampton. 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 2,612,795 searches. Data last updated November 21, 2024.
AirlineCheapestAverageFlexibilityOn-time
Aer LingusCheapest$646Average$816FlexibilityNo cancel feeOn-timeN/A
DeltaCheapest$729Average$972FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$834Average$1,113FlexibilityNo cancel feeOn-time70%
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.