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Portsmouth

Cheap flights from Buffalo (BUF) to Portsmouth, England

BUF — LHR
Feb 25 — Mar 41
Wed 2/25
Wed 3/4
1 adult, Economy
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Find flight deals from Buffalo to Portsmouth

Keep the following information in mind while searching for Buffalo to Portsmouth flight deals. Data was last updated January 26, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

Expedia
3 stars

Popular in

June

Cheapest in

January

Average price

$637
Provider with most accurate pricing for Buffalo-London (LON) flight deals.
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Provider most trusted by Cheapflights users for Buffalo-London (LON) flights.
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Highest demand for flights based on searches. 15% potential increase in price ($134 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($29 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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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, August is the cheapest month in which you can book a flight from Buffalo to Portsmouth (average of $470). 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.

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.

  • 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, August is the cheapest month in which you can book a flight from Buffalo to Portsmouth (average of $470). 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.

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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 January 26, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$451Average$803FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$522Average$777FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$534Average$767FlexibilityNo cancel feeOn-time70%
JetBlueCheapest$593Average$719FlexibilityNo cancel feeOn-time62%
DeltaCheapest$596Average$782FlexibilityNo cancel feeOn-timeN/A
Virgin AtlanticCheapest$636Average$748FlexibilityNo cancel feeOn-time72%

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