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$1,166+ Cheap flights from Buffalo (BUF) to Southampton (SOU)

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 9/6. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — SOU
Aug 24 — Aug 311
Mon 8/24
Mon 8/31
1 adult, Economy
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Cheap flight deals from Buffalo to Southampton

Cheapest flights from Buffalo to Southampton
Explore the most affordable flight options available from Buffalo to Southampton. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 25, 2026.

This KLM deal was found by Cheapflights users on 7/23. 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.
Sun 9/63:54 pm
BUF
-
SOU
2 stops19h 56m
KLM
Sun 9/139:15 am
SOU
-
BUF
2 stops19h 57m
KLM
Deal found 7/23$1,166
This Delta deal was found by Cheapflights users on 7/22. 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.
Sat 9/57:00 am
BUF
-
SOU
2 stops20h 45m
Delta
Sat 9/129:15 am
SOU
-
BUF
2 stops19h 57m
Delta
Deal found 7/22$1,171
This Ovago deal was found by Cheapflights users on 7/22. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/56:55 am
BUF
-
SOU
2 stops20h 40m
Multiple Airlines
Sat 9/1210:15 am
SOU
-
BUF
3 stops18h 29m
Multiple Airlines
Deal found 7/22$1,425

Find flight deals from Buffalo to Southampton

Discover tips and strategies to find the most affordable flight options for your journey from Buffalo (BUF) 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 July 25, 2026.

Most accurate provider

Expedia
1 star

Most trusted provider

Expedia
3 stars

Round-trip from

$1,166
(KLM)

Popular in

June

Cheapest in

March

Average price

$985
Provider with most accurate pricing for Buffalo-Southampton Eastleigh flight deals.
Search Deals
Provider most trusted by Cheapflights users for Buffalo-Southampton Eastleigh flights.
Search Deals
From Buffalo to Southampton Eastleigh
Search Deals
Highest demand for flights based on searches. 16% potential increase in price ($166 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($33 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Buffalo to Southampton 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 25, 2026.
Use the filters below to find and compare flights from Buffalo to Southampton that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BuffaloSouthampton

BUF - SOU

BUFSOU

Buffalo

Sun 9/6

3:54 pm-4:50 pm

2 stops19h 56m

Southampton Eastleigh

Sun 9/13

9:15 am-12:12 am

2 stops19h 57m

$1,166

BuffaloSouthampton

BUF - SOU

BUFSOU

Buffalo

Sat 9/5

7:00 am-8:45 am

2 stops20h 45m

Southampton Eastleigh

Sat 9/12

9:15 am-12:12 am

2 stops19h 57m

$1,171
Quickest round-trip

BuffaloSouthampton

BUF - SOU

BUFSOU

Buffalo

Sat 9/5

6:55 am-8:35 am

2 stops20h 40m

Southampton Eastleigh

Sat 9/12

10:15 am-11:44 pm

3 stops18h 29m

$1,425

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/23

Sorted by cheapest first
  • Most accurate provider: When it comes to deals on Buffalo-Southampton flights, users find the pricing of Expedia to be most consistent on Cheapflights vs. Expedia Users can find the same prices on Buffalo-Southampton flight deals on Cheapflights vs. Expedia <90% of the time. Price accuracy is based on data collected from Buffalo-Southampton flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Buffalo-Southampton flights, Cheapflights users trust Expedia the most. Expedia has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Buffalo-Southampton flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Buffalo to Southampton

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

Related info for your journey

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

  • How long is the flight from Buffalo to Southampton?

    There are many flights that can get you from Buffalo to Southampton in 19h 56m. Fly via KLM or Delta to get the fastest option. Buffalo and Southampton are separated by a distance of 3519 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

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

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

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

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

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

See more FAQs

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