HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Portsmouth

$682+ Cheap flights from Buffalo (BUF) to Portsmouth, England

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 11/7. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — LHR
Nov 27 — Dec 41
Thu 11/27
Thu 12/4
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Buffalo to Portsmouth 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 Buffalo to Portsmouth

Keep the following information in mind while searching for Buffalo to Portsmouth flight deals. Data was last updated October 28, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$903
(Virgin Atlantic)

One-way from

$682
(Delta)

Popular in

June

Cheapest in

January

Average price

$670
Provider with most accurate pricing for Buffalo-London (LON) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Buffalo-London (LON) flights.
Search Deals
From Buffalo to Portsmouth
Search Deals
One-way flight from Buffalo to Portsmouth
Search Deals
Highest demand for flights based on searches. 15% potential increase in price ($138 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($23 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals

Find flight deals from Buffalo to Portsmouth

Best flights from Buffalo to Portsmouth
Discover carefully curated flight deals from Buffalo to Portsmouth that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 28, 2025.

This Virgin Atlantic deal was found by Cheapflights users on 10/26. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/273:50 pmBUF - SOU
2 stops13h 00mVirgin Atlantic
Tue 3/315:35 pmSOU - BUF
2 stops30h 16mVirgin Atlantic
Deal found 10/26$903
This Delta deal was found by Cheapflights users on 10/27. 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.
Fri 3/277:15 pmBUF - SOU
2 stops17h 45mDelta
Tue 3/319:20 amSOU - BUF
2 stops14h 31mDelta
Deal found 10/27$1,123

Cheapflights Fare Finder

 
Customize your flight search to find flights from Buffalo to Portsmouth 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 October 28, 2025.
Use the filters below to find and compare flights from Buffalo to Portsmouth that are best for you.

Fly from

Buffalo

Fly to

Portsmouth

Route

Depart

Return

Price

BuffaloSouthampton

BUF - SOU

BUFSOU

Buffalo

Fri 3/27

3:50 pm-8:50 am

2 stops13h 00m

Southampton Eastleigh

Tue 3/31

5:35 pm-6:51 pm

2 stops30h 16m

$903

BuffaloSouthampton

BUF - SOU

BUFSOU

Buffalo

Fri 3/27

7:15 pm-5:00 pm

2 stops17h 45m

Southampton Eastleigh

Tue 3/31

9:20 am-6:51 pm

2 stops14h 31m

$1,123

BuffaloSouthampton

BUF - SOU

BUFSOU

Buffalo

Fri 11/7

11:15 am-8:50 am

2 stops16h 35m

$682

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/27

Best time to book a flight from Buffalo to Portsmouth

Have a flexible travel schedule? Discover the best time to fly to Portsmouth 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.

Cheapflights Insights

Everything you need to know about your flight from Buffalo to Portsmouth

What is the cheapest month to book a flight from Buffalo to Portsmouth?

Currently, December is the cheapest month in which you can book a flight from Buffalo to Portsmouth (average of $414). Flying from Buffalo to Portsmouth in June is currently the most expensive (average of $756). 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 BUF to P0R?

Find hourly flight availability from Buffalo to Portsmouth. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 28, 2025.

A simple way to save on the total cost of your ticket is to fly from Buffalo to Portsmouth in the evening. If you’re flexible enough to do this you can expect to save up to 9% on your trip compared to booking a flight in the morning.

What is the cheapest day to fly from Buffalo to Portsmouth?

Use this chart to determine the cheapest time to fly round-trip from Buffalo to Portsmouth. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Buffalo to Portsmouth flight should consider departing on Friday at noon when fares are most often at their lowest. Sunday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Related info for your journey

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

  • What airport do you fly from for flights from Buffalo to Portsmouth?

    Buffalo (BUF) is the airport you will fly out of if you book a flight from Buffalo to Portsmouth. You should not have trouble finding flights to Portsmouth from Buffalo; the airport handles an average of 0 outbound flights to Portsmouth per day. You should also have plenty of airline options to choose from since 6 airlines have flights from the Buffalo airport to Portsmouth. It is only a 8.3 mi journey to Buffalo (BUF) from Buffalo’s city center.

  • How long is the flight from Buffalo to Portsmouth?

    Virgin Atlantic and Delta can get you from Buffalo to Portsmouth in just under 13h. Your travel time can differ by up to 4h 45m. There are 3519 mi between Buffalo and Portsmouth. This flight may include one or multiple stops.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Buffalo to Portsmouth 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 Buffalo to Portsmouth?

    Currently, December is the cheapest month in which you can book a flight from Buffalo to Portsmouth (average of $414). Flying from Buffalo to Portsmouth in June is currently the most expensive (average of $756). 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 Buffalo to Portsmouth

See prices for flight routes from nearby airports that may be better suited for you.
John F Kennedy Intl to Heathrow flights
Newark to Heathrow flights
John F Kennedy Intl to Gatwick flights
LaGuardia to Heathrow flights
John F Kennedy Intl to London City flights
Newark to Gatwick flights
John F Kennedy Intl to Stansted flights
Newark to London City flights
LaGuardia to Gatwick flights
John F Kennedy Intl to Luton flights
Newark to Luton flights
Newark to Stansted flights
LaGuardia to London City flights
Newark to Edinburgh flights
John F Kennedy Intl to Edinburgh flights
John F Kennedy Intl to Manchester flights
LaGuardia to Stansted flights
LaGuardia to Edinburgh flights
LaGuardia to Luton flights
Newark to Manchester flights
LaGuardia to Manchester flights
John F Kennedy Intl to Southampton flights
John F Kennedy Intl to Birmingham flights
Newark to Birmingham flights
White Plains to Heathrow flights
John F Kennedy Intl to Southend flights
LaGuardia to Birmingham flights
Syracuse to Heathrow flights
Buffalo to Heathrow flights
John F Kennedy Intl to Leeds flights
Newark to Southampton flights
Albany to Heathrow flights
Rochester to Heathrow flights
Syracuse to Gatwick flights
Syracuse to London City flights
Buffalo to Gatwick flights
Albany to London City flights
Rochester to Gatwick flights
Newark to Leeds flights
John F Kennedy Intl to Newcastle upon Tyne flights
Albany to Gatwick flights
Buffalo to London City flights
Rochester to London City flights
John F Kennedy Intl to Liverpool flights
Newark to Newcastle upon Tyne flights
LaGuardia to Leeds flights
Newark to Liverpool flights
LaGuardia to Newcastle upon Tyne flights
Buffalo to Manchester flights

Top 6 airlines flying from Buffalo to Portsmouth

Discover the top 6 airlines that operate flights from Buffalo to Portsmouth. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated October 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$414Average$706FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$451Average$803FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$522Average$779FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$534Average$775FlexibilityNo cancel feeOn-time70%
DeltaCheapest$596Average$782FlexibilityNo cancel feeOn-timeN/A
Virgin AtlanticCheapest$635Average$715FlexibilityNo cancel feeOn-time72%

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.