$351+ Cheap flights from Baltimore (BWI) 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 9/15. Fares are subject to change and may not be available on all flights or dates of travel.
Find cheap flights from Baltimore 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 Baltimore to Southampton
Discover tips and strategies to find the most affordable flight options for your journey from Baltimore (BWI) 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 August 13, 2025.
Round-trip from | $673 (Mytrip) |
|---|---|
One-way from | $351 (Kiwi.com) |
Popular in | June |
Cheapest in | January |
Average price | $684 |
Find flight deals from Baltimore to Southampton
Cheapest flights from Baltimore to SouthamptonExplore the most affordable flight options available from Baltimore to Southampton. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 13, 2025.
Explore the most affordable flight options available from Baltimore to Southampton. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 13, 2025.
This Mytrip deal was found by Cheapflights users on 8/11. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Mytrip deal was found by Cheapflights users on 8/13. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Mytrip deal was found by Cheapflights users on 8/11. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This KLM deal was found by Cheapflights users on 8/11. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Mytrip deal was found by Cheapflights users on 8/13. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Delta deal was found by Cheapflights users on 8/13. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This lastminute.com deal was found by Cheapflights users on 8/13. 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Cheapflights Fare Finder
Use the filters below to find and compare flights from Baltimore to Southampton that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
BaltimoreSouthampton
BWI - SOU
BWISOU
Baltimore/Washington
Fri 9/26
6:50 pm-3:45 pm
2 stops15h 55m
Southampton Eastleigh
Fri 10/3
5:35 pm-5:40 pm
3 stops29h 05m
BaltimoreSouthampton
BWI - SOU
BWISOU
Baltimore/Washington
Sat 9/27
6:50 pm-8:45 am
3 stops32h 55m
Southampton Eastleigh
Sat 10/4
6:05 pm-5:40 pm
3 stops28h 35m
BaltimoreSouthampton
BWI - SOU
BWISOU
Baltimore/Washington
Thu 9/25
8:30 pm-7:30 pm
2 stops18h 00m
Southampton Eastleigh
Thu 10/2
9:40 am-7:25 pm
2 stops14h 45m
BaltimoreSouthampton
BWI - SOU
BWISOU
Baltimore/Washington
Wed 9/10
11:35 am-8:45 am
2 stops16h 10m
Southampton Eastleigh
Wed 9/24
9:20 am-12:28 am
2 stops20h 08m
BaltimoreSouthampton
BWI - SOU
BWISOU
Baltimore/Washington
Fri 9/26
1:00 pm-8:45 am
2 stops14h 45m
Southampton Eastleigh
Fri 10/3
9:20 am-10:57 pm
2 stops18h 37m
BaltimoreSouthampton
BWI - SOU
BWISOU
Baltimore/Washington
Sat 9/13
9:39 pm-9:10 am
3 stops30h 31m
Southampton Eastleigh
Mon 9/22
8:05 am-10:26 am
3 stops31h 21m
BaltimoreSouthampton
BWI - SOU
BWISOU
Baltimore/Washington
Wed 9/10
6:15 am-8:45 am
2 stops21h 30m
Southampton Eastleigh
Mon 9/29
9:20 am-10:57 pm
2 stops18h 37m
BaltimoreSouthampton
BWI - SOU
BWISOU
Baltimore/Washington
Sat 9/27
12:23 pm-8:45 am
2 stops39h 22m
Southampton Eastleigh
Sat 10/4
9:20 am-5:17 pm
2 stops36h 57m
BaltimoreSouthampton
BWI - SOU
BWISOU
Baltimore/Washington
Mon 9/15
1:17 pm-8:30 am
3 stops38h 13m
BaltimoreSouthampton
BWI - SOU
BWISOU
Baltimore/Washington
Mon 9/8
6:50 pm-7:30 pm
3 stops19h 40m
Best time to book a flight from Baltimore to Southampton
Have a flexible travel schedule? Discover the best time to fly to Southampton from Baltimore with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight from Baltimore to Southampton
What is the cheapest month to book a flight from Baltimore to Southampton?
Currently, November is the cheapest month in which you can book a flight from Baltimore to Southampton (average of $787). Flying from Baltimore to Southampton in June is currently the most expensive (average of $1,308). 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.
What is the cheapest time of day to fly from BWI to SOU?
Find hourly flight availability from Baltimore 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 August 13, 2025.
Unlike at noon, when flights are generally more expensive, you can save up to 21% on flights from Baltimore to Southampton by exploring options for tickets in the afternoon.