$474 Cheap Flights from Baltimore (BWI) to Southampton (SOU)

View $474 flight on Mon, May 11, 2026Opens in a new window

Popular airlines from Baltimore Washington Intl. Airport (BWI) to Southampton (SOU)

Cheap Flights from Baltimore to Southampton (BWI-SOU)

Prices were available within the past 7 days and start at $474 for one-way flights and $774 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Wed, Nov 5 - Thu, Nov 13
BWI
Baltimore
SOU
Southampton
$774 Roundtrip, just found
$774
Roundtrip
just found
Select Delta flight, departing Wed, Nov 5 from Baltimore to Southampton, returning Thu, Nov 13, priced at $774 just found
Virgin Atlantic
Thu, Nov 6 - Thu, Nov 13
BWI
Baltimore
SOU
Southampton
$774 Roundtrip, just found
$774
Roundtrip
just found
Select Virgin Atlantic flight, departing Thu, Nov 6 from Baltimore to Southampton, returning Thu, Nov 13, priced at $774 just found
Virgin Atlantic
Thu, Nov 6 - Fri, Nov 14
BWI
Baltimore
SOU
Southampton
$774 Roundtrip, just found
$774
Roundtrip
just found
Select Virgin Atlantic flight, departing Thu, Nov 6 from Baltimore to Southampton, returning Fri, Nov 14, priced at $774 just found
Delta
Tue, Dec 30 - Tue, Jan 13
BWI
Baltimore
SOU
Southampton
$776 Roundtrip, found 4 days ago
$776
Roundtrip
found 4 days ago
Select Delta flight, departing Tue, Dec 30 from Baltimore to Southampton, returning Tue, Jan 13, priced at $776 found 4 days ago
Virgin Atlantic
Sun, Nov 9 - Tue, Nov 25
BWI
Baltimore
SOU
Southampton
$780 Roundtrip, found 2 days ago
$780
Roundtrip
found 2 days ago
Select Virgin Atlantic flight, departing Sun, Nov 9 from Baltimore to Southampton, returning Tue, Nov 25, priced at $780 found 2 days ago
Virgin Atlantic
Mon, Dec 1 - Tue, Dec 16
BWI
Baltimore
SOU
Southampton
$781 Roundtrip, found 4 days ago
$781
Roundtrip
found 4 days ago
Select Virgin Atlantic flight, departing Mon, Dec 1 from Baltimore to Southampton, returning Tue, Dec 16, priced at $781 found 4 days ago
Delta
Mon, Mar 16 - Mon, Mar 30
BWI
Baltimore
SOU
Southampton
$784 Roundtrip, found 4 days ago
$784
Roundtrip
found 4 days ago
Select Delta flight, departing Mon, Mar 16 from Baltimore to Southampton, returning Mon, Mar 30, priced at $784 found 4 days ago
Delta
Thu, Mar 5 - Fri, Mar 20
BWI
Baltimore
SOU
Southampton
$787 Roundtrip, found 1 day ago
$787
Roundtrip
found 1 day ago
Select Delta flight, departing Thu, Mar 5 from Baltimore to Southampton, returning Fri, Mar 20, priced at $787 found 1 day ago
KLM
Thu, Nov 6 - Sat, Nov 22
BWI
Baltimore
SOU
Southampton
$801 Roundtrip, found 2 days ago
$801
Roundtrip
found 2 days ago
Select KLM flight, departing Thu, Nov 6 from Baltimore to Southampton, returning Sat, Nov 22, priced at $801 found 2 days ago
Air France
Thu, Mar 19 - Mon, Mar 30
BWI
Baltimore
SOU
Southampton
$836 Roundtrip, found 4 days ago
$836
Roundtrip
found 4 days ago
Select Air France flight, departing Thu, Mar 19 from Baltimore to Southampton, returning Mon, Mar 30, priced at $836 found 4 days ago

Alternative airports near Southampton

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Southampton SOU. Cheapest and Closest option available. Average driving time to city center is 10 minutes. Flights from $774
SOU
Southampton
CheapestClosest
Average driving time to city center10 min
Flights from $774
Flights from Baltimore (BWI) to Southampton (SOU)
Origin airport
Baltimore Washington Intl. Thurgood Marshall
Destination airport
Southampton
Airlines serving
Delta, KLM, Virgin Atlantic
Roundtrip price
$773
Distance
3598 mi

Baltimore to Southampton Flights

The cheapest times to fly from Baltimore to Southampton

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Baltimore to Southampton are during the month of November. You can find some of the cheapest flights from Baltimore to Southampton with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Baltimore to Southampton

Sunday is one of the best days to book for cheap flights from Baltimore to Southampton: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Baltimore to Southampton

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Baltimore to Southampton in 2025. You can also book with separate airlines for your outbound and return journeys, from $474 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Baltimore to Southampton flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Baltimore to Southampton airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Southampton Airport (SOU) cost?
Grab a cheap one-way flight from $474 or cheap return flight from $774 from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Southampton Airport (SOU) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Southampton Airport (SOU)?
Planning your getaway for November may help you find better deals, as it's the cheapest month for flights between BWI and SOU. You'll usually find the lowest fares during off-peak months.
What is the cheapest airline that flies from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Southampton Airport (SOU)?
Use the filter tool on Expedia to compare different airlines and find the cheapest carrier that'll fly you from BWI to SOU. Then, sort your results by "Price (lowest to highest)" to snag a good deal.
How many flights per day from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Southampton Airport (SOU)?
You'll need to hop on a flight with a layover when traveling from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Southampton Airport (SOU). There are no daily direct flights on this route. However, just filter your search to include one or two stops to discover the best option for your trip.
What day of the week has the most flights from BWI to SOU?
Usually you'll have the most choice when it comes to flights on a Friday. Tuesdays tend to be the quietest.* But this can vary based on the season, airline and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Southampton Airport (SOU)?
To avoid potential delays on the Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Southampton Airport (SOU) route, travel before 3 PM. Later flights are 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Southampton Airport (SOU) last-minute?
Last-minute fares from BWI to SOU are generally more expensive. For the lowest rates, start looking for flights well in advance. That being said, if your travel plans are flexible, you may land a cheap ticket right before you leave.
Is it cheaper to book a BWI to SOU flight and hotel package?
Compared with arranging flights and hotels separately, booking a BWI to SOU flight and hotel package with Expedia could result in significant savings. What's more, having everything in one easy place takes the hassle out of planning your trip. Just pick your flights and choose from our extensive range of stays, then customize your trip with other add-ons like car rentals and activities.
Can I cancel or change the date of my flight from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Southampton Airport (SOU)?
Usually, it's possible to cancel or reschedule your BWI to SOU flight. However, for bookings made more than 24 hours ago, additional charges may apply. Refer to your airline's policies in your itinerary to see what changes are allowed and if any costs are involved. You'll also find more information on our Customer Service portal.

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*Available to One Key members.