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Cheap flights from Portsmouth to Boston

LHR — BOS
31 Oct — 7 Nov1
1 adult
1 adult, Economy, 0 bags

Find flight deals from Portsmouth to Boston

Popular in

June

Cheapest in

February

Average price

£507
Highest demand for flights based on searches. 8% potential increase in price (£36 potential increase over avg. return price).
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Cheapest flight prices on average. 1% potential price decrease (£7 potential savings vs. average return price).
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Average for round-trip flights in October 2026
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Cheapflights Insights

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

What is the cheapest time of day to fly from P0R to BOS?

One of the essential ways to save on airfare from Portsmouth to Boston is to remain as flexible as possible. Flights that are in the evening tend to be the most expensive. A flight at midday could potentially save you up to 20% on airfare.

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

Travellers seeking maximum savings on their Portsmouth to Boston flight should consider departing on Wednesday at midday 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

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

    Most people fly into Boston Logan Intl (BOS) if they book a flight to Boston from Portsmouth. On average, Logan Intl has 0 inbound flights from Portsmouth per day from 16 airlines. Boston Logan Intl is conveniently located just 2.6 mi from Boston’s city center.

  • What are the most reliable airlines from Portsmouth to Boston?

    The top 3 most reliable airlines when flying from Portsmouth to Boston are Scandinavian Airlines (89%), JetBlue (87%) and TAP AIR PORTUGAL (87%).

  • What are the cheapest flights from Portsmouth to Boston?

    The cheapest flight price from Portsmouth to Boston is £342. On average you can expect to pay £1,359. The most popular route, (Southampton Eastleigh - Boston Logan Intl), can usually be booked for £559.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Portsmouth to Boston 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

Travelling to a place near Boston?

Book flights to Boston if you plan to visit one of these locations
Burlington
Canton
North Truro
Waltham
Warwick
Cambridge
Wellfleet
Peabody
Revere
Somerville
Quincy
Chelmsford
Raynham

Browse thousands of different options on Cheapflights for your next trip

Top 10 airlines flying from Portsmouth to Boston

AirlineCheapestAverageFlexibilityOn-time
TAP AIR PORTUGALCheapest£228Average£395FlexibilityNo cancel feeOn-timeN/A
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DeltaCheapest£280Average£605FlexibilityNo cancel feeOn-timeN/A
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IcelandairCheapest£290Average£447FlexibilityNo cancel feeOn-time76%
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JetBlueCheapest£329Average£633FlexibilityNo cancel feeOn-time62%
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United AirlinesCheapest£343Average£562FlexibilityNo cancel feeOn-time69%
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Scandinavian AirlinesCheapest£350Average£459FlexibilityNo cancel feeOn-time77%
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Air CanadaCheapest£366Average£541FlexibilityNo cancel feeOn-time67%
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IberiaCheapest£375Average£550FlexibilityNo cancel feeOn-time77%
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British AirwaysCheapest£386Average£524FlexibilityNo cancel feeOn-time70%
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American AirlinesCheapest£391Average£645FlexibilityNo cancel feeOn-time71%
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Fly with Cheapflights

How does Cheapflights help users find flights from Portsmouth to Boston?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Portsmouth to Boston. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from Portsmouth to Boston?

Cheapflights simply makes it quick and affordable to book flights from Portsmouth to Boston by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Portsmouth to Boston with no change fees?

Yes! Cheapflights helps users easily find flights from Portsmouth to Boston with no change fees.

Can Cheapflights notify me if prices for flights from Portsmouth to Boston become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Boston from Portsmouth today and book when prices fit your budget.

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