The cheapest times to fly from BWI to SOU are
- January 8th to March 18th
- September 3rd to October 14th
based on data collected exclusively by Champion Traveler across tens of millions of flights. Among all the dates above, the very cheapest time to fly from BWI to SOU is early to mid February. Prices can be as high as $10700 for Saturday flights during mid July, or as low as $697 for Tuesday flights around early to mid February.
When to Fly to Southampton
Flying from Baltimore, MD (BWI) to Southampton (SOU) will usually cost between $704 to $3453 per person if booking more than four weeks in advance. On average the very cheapest time to fly is early to mid February with an average ticket price of $810. Due to high demand the most expensive time to fly is mid July, with an average price of $4967. Planning your trip to low-cost times can easily save you $4158 on economy flights and even more on first-class flights. Generally, any price below $1441 can be considered a good price for a round-trip BWI to SOU flight.
See below for a graph of average weekly prices for the BWI to SOU route. All prices are for round-trip tickets in USD.
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Compared to other flights, the BWI to SOU flight is slightly more expensive than the average and costs about as much as the average flight leaving from Baltimore. The average price per mile (for a direct flight) is $0.25, which is below average.
Flight Prices by Day of the Week
Tuesday is usually the cheapest day to depart and return on this flight. Saturdays are the most expensive days to fly to Southampton, and Sundays are the most expensive days to return to Baltimore. Selecting flights on the least expensive days could save you up to $921 (41%) on this flight.
Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Tuesday and returning a week later will cost an average of $1207. Return trip prices are from the SOU to BWI flight, and often highlight the quality of our data in showing the same trend.
Departing Prices by Day
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Return Trip Prices by Day
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Nonstop Flights and Layovers
Travelers looking to fly from BWI to SOU can generally find a 2-layover flight. Because there is not usually a direct flight option the real-world direct flight time of 7 hour 27 minutes may not be realistic.
Alternative Nearby Airports
Champion Traveler tells you which airports are nearby and whether tickets might be cheaper alternative airports nearby. Sometimes it’s worth it to fly into a closer airport and then commute to your destination. Remember that there is not usually a nonstop flight from BWI to SOU while comparing.
- 53 miles (85 km) away from SOU
- Usually 62.60% less expensive than SOU
- Nonstop flights available
- 52 miles (84 km) away from SOU
- Usually 56.63% less expensive than SOU
- 1-layover flights available
- 72 miles (116 km) away from SOU
- Usually 53.64% less expensive than SOU
- 1-layover flights available
- 66 miles (106 km) away from SOU
- Usually 48.96% less expensive than SOU
- 2-layover flights available
- 91 miles (146 km) away from SOU
- Usually 45.35% less expensive than SOU
- 2-layover flights available
- 94 miles (151 km) away from SOU
- Usually 36.47% less expensive than SOU
- 2-layover flights available
Flight Hacking BWI to SOU
Flight hacking is when you book two tickets instead of a layover, sometimes with different airlines. You will need to either bring only a carry-on bag (highly recommended) or leave yourself plenty of time to go through security again. Flight hacking is completely allowed, but airlines don’t always tell you the cheapest way to get from BWI to SOU — but Champion Traveler does!
- Price for both tickets: $811
- Average savings: $631 (43.75%)
- Price for both tickets: $827
- Average savings: $615 (42.64%)
- Price for both tickets: $875
- Average savings: $567 (39.31%)
Flight Questions Answered
Still have questions about flying from BWI to SOU? We’ve got answers.
Which airlines fly this route?
You can find 11 major airlines flying this route most often: Aer Lingus, Air Canada, Air France, Alitalia, American, British Airways, Brussels Airlines, Delta, Finnair, Lufthansa, Virgin Atlantic, and potentially more during busy seasons.
How far away is it from Southampton Airport to Baltimore/Washington International Thurgood Marshall Airport?
The distance between the two airports is roughly 3598 miles or 5790 kilometers.
How long does it take to fly from BWI to SOU?
The real-world flight time for a nonstop BWI to SOU flight is about 7 hour 27 minutes.
How many flights go between Baltimore, MD and Southampton?
It depends on the day of the week and the date, but a typical day might have around 7 available flights from BWI to SOU.
Airport Location Info
Departing Airport
Origination code | BWI |
Origination airport name | Baltimore/Washington International Thurgood Marshall Airport |
City | Baltimore, MD |
Country | the United States |
Latitude | 39.2 |
Longitude | -76.7 |
Return Airport
Destination code | SOU |
Destination airport name | Southampton Airport |
City | Southampton |
Country | the United Kingdom |
Latitude | 51 |
Longitude | -1.4 |
Other Resources
Flights to SOU
Flights from SOU
Popular Flights
Flights to BWI
Flights from BWI
Please note that while we’ve worked hard to analyzed tens of millions of flights to get you this data, we do not calculate current live prices or guarantee pricing. Please see our partners using the links above for current offers.