Find flights
Airlines
FAQs

Cheap flights from Southampton to Washington, D.C. Dulles Intl Airport from £1,178

This is the cheapest return flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/7. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
SOU — IAD
7 Jun — 14 Jun1
1 adult
Fri 7/6
Fri 14/6

What is the cheapest day to fly round-trip from Southampton to Washington, D.C. Dulles Intl Airport?

Flying to your destination on a Wednesday can be more expensive, but this shouldn’t discourage you from finding affordable options to get to Washington, D.C. Dulles Intl Airport. Check prices with Cheapflights to find a great deal for your trip.

How far in advance should I book a flight from Southampton to Washington, D.C. Dulles Intl Airport?

To save up to 24% on this flight, we recommend booking at least 60 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Southampton to Washington, D.C. Dulles Intl Airport from £541 1-2 weeks out and tickets from £569 for flights departing within the next 72 hours.

What is the cheapest month to fly from Southampton to Washington, D.C. Dulles Intl Airport?

Due to multiple factors, expect to potentially pay more when booking in July. For low rates, November can be a great choice for travel to Washington, D.C. Dulles Intl Airport. Flights to Washington, D.C. Dulles Intl Airport from Southampton in November are about £508 on average during November, but can be found for as low as £279.

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

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Southampton to Washington, D.C. Dulles Intl Airport as you normally would.

Cheap British Airways flights from Southampton to Dulles Intl

Explore cheap flight options specifically provided by British Airways for the route between Southampton and Dulles Intl. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 909,873 searches. Data last updated 2 June 2024.
Fri 5/709:40SOU - IAD
1 stop14h 30mBritish Airways
Thu 11/713:22IAD - SOU
2 stops14h 48mBritish Airways
Deal found 1/6£1,178
Fri 5/719:55SOU - IAD
2 stops24h 45mBritish Airways
Thu 11/713:22IAD - SOU
2 stops14h 48mBritish Airways
Deal found 1/6£2,106
Fri 5/719:55SOU - IAD
2 stops24h 45mBritish Airways
Thu 11/722:45IAD - SOU
2 stops13h 25mBritish Airways
Deal found 1/6£2,651

Southampton to Dulles Intl 2024 flight deals

Discover exclusive flight deals for travel between Southampton and Dulles Intl in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 909,873 searches. Data last updated 2 June 2024.
Fri 5/709:40SOU - IAD
1 stop14h 30mBritish Airways
Thu 11/713:22IAD - SOU
2 stops14h 48mBritish Airways
Deal found 1/6£1,178
Fri 5/719:55SOU - IAD
2 stops24h 45mBritish Airways
Thu 11/713:22IAD - SOU
2 stops14h 48mBritish Airways
Deal found 1/6£2,106
Fri 5/719:55SOU - IAD
2 stops24h 45mBritish Airways
Thu 11/722:45IAD - SOU
2 stops13h 25mBritish Airways
Deal found 1/6£2,651

One-way flights to Dulles Intl from Southampton

Search for one-way flight options from Southampton to Dulles Intl. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 909,873 searches. Data last updated 2 June 2024.
Fri 7/609:40SOU - IAD
1 stop14h 30mBritish Airways
Deal found 1/6£2,098
Fri 7/619:55SOU - IAD
2 stops29h 35mBritish Airways
Deal found 1/6£2,113

Find flights from Southampton to Dulles Intl within your budget

Customise your flight search to find flights from Southampton to Dulles Intl 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 909,873 searches. Data last updated 2 June 2024.

Fly from

Any airport

Fly to

Any airport

Budget

£1,178 - £2,651

Route

Depart

Return

Price

Southampton EastleighWashington, D.C. Dulles Intl

SOU - IAD

SOUIAD

Southampton Eastleigh

Fri 5/7

1 stop14h 30m

Washington, D.C. Dulles Intl

Thu 11/7

2 stops14h 48m

£1,178

Southampton EastleighWashington, D.C. Dulles Intl

SOU - IAD

SOUIAD

Southampton Eastleigh

Fri 5/7

2 stops24h 45m

Washington, D.C. Dulles Intl

Thu 11/7

2 stops14h 48m

£2,106

Southampton EastleighWashington, D.C. Dulles Intl

SOU - IAD

SOUIAD

Southampton Eastleigh

Fri 5/7

2 stops24h 45m

Washington, D.C. Dulles Intl

Thu 11/7

2 stops13h 25m

£2,651

Flights are sorted by cheapest first

Deals found on 1/6

What is the cheapest day to fly from Southampton to Washington, D.C. Dulles Intl Airport?

Use this chart to determine the cheapest time to fly return from Southampton to Dulles Intl. Price data was last updated on 26 May 2024.
Morning
Midday
Afternoon
Evening
All times are departure.
Travellers seeking maximum savings on their Southampton to Washington, D.C. Dulles Intl Airport flight should consider departing on Monday mornings when fares are most often at their lowest. Thursday mornings flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

Best time to book a flight from Southampton to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl 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.

Reviews of airlines servicing Dulles Intl

Get insights into the airlines that provide service to Dulles Intl. 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 Dulles Intl. Reviews last updated 2 June 2024.
British Airways
6.8
Okay
6,755 reviews
Check prices

Overall

6.8

Boarding

7.0

Crew

7.7

Comfort

6.8

Food

6.4

Entertainment

6.5

Reviews

1 / 10

Check in and boarding are fast and organized , ground support staff and information are available to provide answer for your questions.

British Airways
6.8
Okay
6,755 reviews
British Airways
6.8
Okay
6,755 reviews
Check prices

Overall

6.8

Boarding

7.0

Crew

7.7

Comfort

6.8

Food

6.4

Entertainment

6.5

Reviews

1 / 10

Check in and boarding are fast and organized , ground support staff and information are available to provide answer for your questions.

Related info for your journey

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

    Most people fly from Southampton Eastleigh (SOU) if they book a flight from Southampton to Washington, D.C. Dulles Intl. On average, Eastleigh has 0 outbound flights to Washington, D.C. Dulles Intl per day from 1 airline. Southampton Eastleigh is conveniently located just 3.5 mi from Southampton’s city center.

  • Can I find flights from Southampton to Washington, D.C. Dulles Intl Airport for under £1,200 on Cheapflights?

    Yes, there are multiple flights from Southampton to Washington, D.C. Dulles Intl Airport for under £1,200. The cheapest flight booked recently is on British Airways for just £1,178, but on average you can expect to pay £1,978.

  • What does SOU to IAD mean?

    Southampton Eastleigh Airport is SOU and Washington, D.C. Dulles Intl Airport is IAD. These codes are created by the International Air Transport Association (IATA) and airlines use them to identify the departing and arrival airports in the flight routes they service.

  • Can I find deals for flights from Southampton to Dulles Intl that include extra baggage allowance?

    The amount of baggage you can bring on your Southampton to Dulles Intl flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Southampton to Dulles Intl with specific airlines?

    Yes, Cheapflights allows you to browse and filter Southampton to Dulles Intl flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Southampton to Dulles Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • Can I find deals for flights from Southampton to Dulles Intl that allow pets onboard?

    Many airlines flying from Southampton to Dulles Intl offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Southampton to Dulles Intl?

    Yes, you can often find last-minute deals on Southampton to Dulles Intl flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Southampton to Washington, D.C. Dulles Intl Airport flight deals updated?

    The Southampton to Washington, D.C. Dulles Intl Airport flight deals you see on this page were last updated on 1/6.

  • What is the cheapest month to book a flight from Southampton to Washington, D.C. Dulles Intl Airport?

    Currently, January is the cheapest month in which you can book a flight from Southampton to Washington, D.C. Dulles Intl Airport (average of £599). Flying from Southampton to Washington, D.C. Dulles Intl Airport in July is currently the most expensive (average of £873). 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 Dulles Intl
See prices for flight routes from nearby airports that may be better suited for you.

Heathrow to Dulles Intl flights
Heathrow to Baltimore flights
London City to Dulles Intl flights
Gatwick to Dulles Intl flights
Heathrow to Reagan-National flights
Gatwick to Baltimore flights
Stansted to Baltimore flights
Stansted to Dulles Intl flights
Gatwick to Reagan-National flights
Luton to Dulles Intl flights
London City to Baltimore flights
Luton to Baltimore flights
Manchester to Dulles Intl flights
Manchester to Baltimore flights
Manchester to Reagan-National flights
Edinburgh to Dulles Intl flights
London City to Reagan-National flights
Edinburgh to Baltimore flights
Edinburgh to Reagan-National flights
Birmingham to Dulles Intl flights
Birmingham to Baltimore flights
Birmingham to Reagan-National flights
Leeds to Dulles Intl flights
Leeds to Reagan-National flights
Bristol to Dulles Intl flights
Leeds to Baltimore flights
Bristol to Reagan-National flights
Bristol to Baltimore flights
Liverpool to Baltimore flights
Southampton to Baltimore flights
Newcastle upon Tyne to Baltimore flights
Southend to Dulles Intl flights
Newcastle upon Tyne to Dulles Intl flights
Newcastle upon Tyne to Reagan-National flights
Exeter to Dulles Intl flights
East Midlands to Baltimore flights
Doncaster to Dulles Intl flights
Grimsby to Baltimore flights
Newquay to Baltimore flights
Norwich to Baltimore flights
Norwich to Reagan-National flights
Norwich to Dulles Intl flights
Grimsby to Reagan-National flights
Grimsby to Dulles Intl flights
Southampton to Reagan-National flights
Doncaster to Baltimore flights

Top airline flying from Southampton to Dulles Intl

Discover the top airline that operate flights from Southampton to Dulles Intl. 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 909,873 searches. Data last updated 2 June 2024.
AirlineCheapestAverageFlexibilityOn-time
Aer LingusCheapest£548Average£794FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
Manchester to Maldives flights
Bristol to Paris flights
London to Scotland flights
London to Auckland flights
Birmingham to Düsseldorf flights
London to Lagos flights
London to Türkiye flights
Glasgow to London Gatwick Airport flights
Manchester to Pakistan flights
Manchester to Barcelona flights
London to Singapore flights
Southampton to Houston George Bush Intcntl Airport flights

Search flights from Southampton to Dulles Intl by cabin class

Find flights from Southampton to Dulles Intl, based on your preferred cabin class, be it economy, premium economy, business, or first class.
First Class
Business Class
Prem Econ Class
Economy class

Book a flight to one of these trending destinations

User searches for flights to these destinations increased 20% or more in the past 90 days compared to other destinations
Flights to Erie
Flights to Reggio Calabria Tito Menniti
Flights to Salerno Costa d'Amalfi
Flights to Leh
Flights to Guilin
Flights to Dire Dawa Aba Tenna D Yilma
Flights to Houmt Souk Melita
Flights to La Paz El Alto Intl
Flights to Edremit/Korfez
Flights to Skardu
Flights to Asaba Intl
Flights to Elazig
Flights to Lhasa
Flights to Samarkand
Flights to Gazipasa
Flights to Jinhua Yiwu
Flights to Hefei Xinqiao Intl
Flights to Nouakchott
Flights to Kuantan
Flights to Antakya Hatay
Flights to Malatya Erhac
Flights to Makale
Flights to Ashgabat
Flights to Aswan

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 Dulles Intl?

Cheapflights makes it easy to find Southampton to Dulles Intl flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Southampton to Dulles Intl?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Southampton to Dulles Intl.

Can Cheapflights find flights from Southampton to Dulles Intl with no change fees?

Need flexible booking options for your flight to Dulles Intl from Southampton? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Southampton to Dulles Intl become cheaper?

Yes, Cheapflights offers price alerts on Southampton to Dulles Intl 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.
View all available airlines