HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Baltimore

$1,148+ Cheap flights from Southampton (SOU) to Baltimore (BWI)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/16. Fares are subject to change and may not be available on all flights or dates of travel.
SOU — BWI
Jul 8 — Jul 151
Tue 7/8
Tue 7/15
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Southampton to Baltimore 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 Southampton to Baltimore

Discover tips and strategies to find the most affordable flight options for your journey from Southampton (SOU) to Baltimore (BWI). 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 July 3, 2025.

Round-trip from

$1,148
(Mytrip)

Popular in

July

Cheapest in

February

Average price

$893
From Southampton Eastleigh to Baltimore/Washington
Search Deals
Highest demand for flights based on searches. 14% potential increase in price ($123 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($14 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2025
Search Deals

Find flight deals from Southampton to Baltimore

Cheapest flights from Southampton to Baltimore
Explore the most affordable flight options available from Southampton to Baltimore. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 3, 2025.

This Mytrip deal was found by Cheapflights users on 7/2. 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.
Sat 8/166:50 pmSOU - BWI
3 stops34h 09mMultiple Airlines
Sat 8/238:30 pmBWI - SOU
2 stops19h 30mMultiple Airlines
Deal found 7/2$1,148
This TravelUp deal was found by Cheapflights users on 7/3. 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 TravelUp is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/178:00 pmSOU - BWI
2 stops28h 35mAer Lingus
Sun 8/249:20 pmBWI - SOU
2 stops17h 10mAer Lingus
Deal found 7/3$1,237
This TravelUp deal was found by Cheapflights users on 7/2. 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 TravelUp is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/165:35 pmSOU - BWI
2 stops28h 45mVirgin Atlantic
Sat 8/234:39 pmBWI - SOU
2 stops35h 06mVirgin Atlantic
Deal found 7/2$1,285
This Delta deal was found by Cheapflights users on 7/2. 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.
Mon 8/119:20 amSOU - BWI
2 stops16h 31mDelta
Wed 8/2012:23 pmBWI - SOU
2 stops15h 22mDelta
Deal found 7/2$1,335

Cheapflights Fare Finder

Customize your flight search to find flights from Southampton to Baltimore 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 2,558,603 searches. Data last updated July 3, 2025.
Use the filters below to find and compare flights from Southampton to Baltimore that are best for you.

Fly from

Southampton

Fly to

Baltimore

Route

Depart

Return

Price

SouthamptonBaltimore

SOU - BWI

SOUBWI

Southampton Eastleigh

Sat 8/16

6:50 pm-11:59 pm

3 stops34h 09m

Baltimore/Washington

Sat 8/23

8:30 pm-9:00 pm

2 stops19h 30m

$1,148

SouthamptonBaltimore

SOU - BWI

SOUBWI

Southampton Eastleigh

Sun 8/17

8:00 pm-7:35 pm

2 stops28h 35m

Baltimore/Washington

Sun 8/24

9:20 pm-7:30 pm

2 stops17h 10m

$1,237

SouthamptonBaltimore

SOU - BWI

SOUBWI

Southampton Eastleigh

Sat 8/16

5:35 pm-5:20 pm

2 stops28h 45m

Baltimore/Washington

Sat 8/23

4:39 pm-8:45 am

2 stops35h 06m

$1,285

SouthamptonBaltimore

SOU - BWI

SOUBWI

Southampton Eastleigh

Mon 8/11

9:20 am-8:51 pm

2 stops16h 31m

Baltimore/Washington

Wed 8/20

12:23 pm-8:45 am

2 stops15h 22m

$1,335

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/2

Best time to book a flight from Southampton to Baltimore

Have a flexible travel schedule? Discover the best time to fly to Baltimore from Southampton 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.

Cheapflights Insights

Everything you need to know about your flight from Southampton to Baltimore

What is the cheapest month to book a flight from Southampton to Baltimore?

Currently, August is the cheapest month in which you can book a flight from Southampton to Baltimore (average of $241). Flying from Southampton to Baltimore in March is currently the most expensive (average of $290). 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.

Reviews of airlines servicing Baltimore

Get insights into the airlines that provide service to Baltimore. 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 Baltimore. Reviews last updated July 3, 2025.
Get a feel of what it's like to fly with Delta, Virgin Atlantic, and Aer Lingus from Southampton to Baltimore by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,982 reviews

Entertainment

7.9

Crew

8.5

Food

7.3

Comfort

7.9

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,982 reviews
Delta
8.0
Very good
7,982 reviews

Entertainment

7.9

Crew

8.5

Food

7.3

Comfort

7.9

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Virgin Atlantic
7.4
Good
654 reviews
Delta
8.0
Very good
7,982 reviews

Entertainment

7.9

Crew

8.5

Food

7.3

Comfort

7.9

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Aer Lingus
7.1
Good
1,144 reviews
Delta
8.0
Very good
7,982 reviews

Entertainment

7.9

Crew

8.5

Food

7.3

Comfort

7.9

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

Find useful and relevant information for your journey from Southampton to Baltimore. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

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

  • How can I find direct flights from Southampton to Baltimore?

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

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

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

  • What is the cheapest month to book a flight from Southampton to Baltimore?

    Currently, August is the cheapest month in which you can book a flight from Southampton to Baltimore (average of $241). Flying from Southampton to Baltimore in March is currently the most expensive (average of $290). 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 Baltimore

See prices for flight routes from nearby airports that may be better suited for you.
Heathrow to Dulles Intl flights
Heathrow to Baltimore flights
Heathrow to Reagan-National flights
Gatwick to Dulles Intl flights
Heathrow to Philadelphia flights
London City to Dulles Intl flights
Gatwick to Baltimore flights
Gatwick to Reagan-National flights
Stansted to Dulles Intl flights
Stansted to Baltimore flights
Manchester to Dulles Intl flights
Luton to Dulles Intl flights
Luton to Baltimore flights
Gatwick to Philadelphia flights
London City to Reagan-National flights
London City to Philadelphia flights
Edinburgh to Dulles Intl flights
Manchester to Reagan-National flights
Luton to Philadelphia flights
Manchester to Baltimore flights
Manchester to Philadelphia flights
Stansted to Philadelphia flights
Edinburgh to Baltimore flights
Birmingham to Dulles Intl flights
Edinburgh to Reagan-National flights
Birmingham to Baltimore flights
Edinburgh to Philadelphia flights
Leeds to Dulles Intl flights
Birmingham to Reagan-National flights
Newcastle upon Tyne to Dulles Intl flights
Newcastle upon Tyne to Baltimore flights
Newcastle upon Tyne to Reagan-National flights
Birmingham to Philadelphia flights
Bristol to Dulles Intl flights
Leeds to Philadelphia flights
Leeds to Baltimore flights
Southampton to Dulles Intl flights
Norwich to Dulles Intl flights
Newcastle upon Tyne to Philadelphia flights
Exeter to Philadelphia flights

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.