Find flights
When to book
FAQs

Cheap flights from Portsmouth to Massachusetts from £425

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 9/1. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — BOS
13 Aug — 20 Aug1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Portsmouth to Massachusetts

Enter your travel dates to find the best prices.

Cheapest flights from Portsmouth to Massachusetts
Explore the most affordable flight options available from Portsmouth to Massachusetts. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 14 July 2026.

Tue 25/809:15
SOU
-
BOS
1 stop10h 40m
Aer Lingus
Tue 1/917:25
BOS
-
SOU
1 stop9h 40m
Aer Lingus
Deal found 11/7£597
Thu 27/809:15
SOU
-
BOS
1 stop12h 22m
Delta
Thu 3/909:05
BOS
-
SOU
2 stops18h 30m
Delta
Deal found 13/7£616
Fri 21/820:00
SOU
-
BOS
2 stops42h 05m
Multiple Airlines
Fri 28/823:40
BOS
-
SOU
1 stop14h 50m
Multiple Airlines
Deal found 12/7£621
Fri 21/809:20
SOU
-
BOS
1 stop10h 35m
Aer Lingus
Fri 28/817:25
BOS
-
SOU
1 stop10h 15m
Aer Lingus
Deal found 10/7£637
Sun 25/1017:30
SOU
-
BOS
1 stop24h 55m
KLM
Tue 3/1119:15
BOS
-
SOU
1 stop16h 45m
KLM
Deal found 12/7£647
Fri 21/818:05
SOU
-
BOS
1 stop29h 25m
KLM
Fri 28/813:34
BOS
-
SOU
2 stops14h 11m
KLM
Deal found 10/7£661
Tue 25/809:15
SOU
-
BOS
1 stop12h 22m
Delta
Tue 1/913:34
BOS
-
SOU
2 stops14h 11m
Delta
Deal found 11/7£675
Thu 27/809:20
SOU
-
BOS
1 stop10h 35m
Aer Lingus
Thu 3/917:25
BOS
-
SOU
1 stop10h 15m
Aer Lingus
Deal found 13/7£677

Find flight deals from Portsmouth to Massachusetts

Keep the following information in mind while searching for Portsmouth to Massachusetts flight deals. Data was last updated 14 July 2026.

Round-trip from

£597

One-way from

£425

Popular in

June

Cheapest in

February

Average price

£528
Aer Lingus
  • Aer Lingus
  • 25/8-1/9
  • 2 total stops
  • 20h 20m total
  • Portsmouth to Massachusetts
Search Deals
British Airways
  • British Airways
  • 9/1
  • 1 total stop
  • 14h 39m total
  • Portsmouth to Massachusetts
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (£50 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£9 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Portsmouth to Massachusetts 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 858,174 searches. Data last updated 14 July 2026.
Use the filters below to find and compare flights from Portsmouth to Massachusetts that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight
Fastest return journey

SouthamptonBoston

SOU - BOS

SOUBOS

Southampton Eastleigh

Tue 25/8

09:15-14:55

1 stop10h 40m

Boston Logan Intl

Tue 1/9

17:25-08:05

1 stop9h 40m

£597

SouthamptonBoston

SOU - BOS

SOUBOS

Southampton Eastleigh

Thu 27/8

09:15-16:37

1 stop12h 22m

Boston Logan Intl

Thu 3/9

09:05-08:35

2 stops18h 30m

£616

SouthamptonBoston

SOU - BOS

SOUBOS

Southampton Eastleigh

Fri 21/8

20:00-09:05

2 stops42h 05m

Boston Logan Intl

Fri 28/8

23:40-19:30

1 stop14h 50m

£621

SouthamptonBoston

SOU - BOS

SOUBOS

Southampton Eastleigh

Sun 25/10

17:30-14:25

1 stop24h 55m

Boston Logan Intl

Tue 3/11

19:15-17:00

1 stop16h 45m

£647

SouthamptonBoston

SOU - BOS

SOUBOS

Southampton Eastleigh

Tue 25/8

09:15-16:37

1 stop12h 22m

Boston Logan Intl

Tue 1/9

13:34-08:45

2 stops14h 11m

£675

SouthamptonBoston

SOU - BOS

SOUBOS

Southampton Eastleigh

Thu 27/8

09:20-14:55

1 stop10h 35m

Boston Logan Intl

Thu 3/9

17:25-08:40

1 stop10h 15m

£677

SouthamptonBoston

SOU - BOS

SOUBOS

Southampton Eastleigh

Sun 25/10

09:30-22:26

2 stops16h 56m

Boston Logan Intl

Tue 3/11

05:39-08:10

2 stops21h 31m

£702

SouthamptonBoston

SOU - BOS

SOUBOS

Southampton Eastleigh

Fri 21/8

20:00-22:26

2 stops31h 26m

Boston Logan Intl

Fri 28/8

20:09-16:50

2 stops15h 41m

£715

SouthamptonBoston

SOU - BOS

SOUBOS

Southampton Eastleigh

Wed 16/9

08:55-14:55

1 stop11h 00m

Boston Logan Intl

Sun 20/9

17:25-16:50

1 stop18h 25m

£721
Cheapest one-way

SouthamptonBoston

SOU - BOS

SOUBOS

Southampton Eastleigh

Sat 9/1

09:20-18:59

1 stop14h 39m

£425

Flights are sorted by cheapest return flights first.

Deals found on 10/7

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

Best time to book a flight from Portsmouth to Massachusetts

Have a flexible travel schedule? Discover the best time to fly to Massachusetts from Portsmouth with our price prediction graph.
Estimated return 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 Portsmouth to Massachusetts

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

Find hourly flight availability from Portsmouth to Massachusetts. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 14 July 2026.

It’s optimal to fly from Portsmouth to Massachusetts at midday. By choosing this option you can save up to 23% on the cost of your flight, compared to a flight in the evening.

Weekly flight availability from Portsmouth to Massachusetts

Explore weekly flight availability from Portsmouth to Massachusetts. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 14 July 2026.

The most flights from P0R to USMA are scheduled on a Friday (38 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (28 on average).

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

Use this chart to determine the cheapest time to fly return from Portsmouth to Massachusetts. Price data was last updated on 11 July 2026.

Travellers seeking maximum savings on their Portsmouth to Massachusetts 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

Find useful and relevant information for your journey from Portsmouth to Massachusetts. 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 Portsmouth to Massachusetts?

    Aer Lingus, Delta, and KLM can get you from Portsmouth to Massachusetts in just under 10h 40m. Your travel time can differ by up to 14h 15m. Portsmouth and Massachusetts are separated by a distance of 3228 mi. This flight may include one or multiple stops.

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

    The top 3 most reliable airlines when flying from Portsmouth to Massachusetts are Scandinavian Airlines (97%), JetBlue (93%) and TAP AIR PORTUGAL (93%).

  • What are the cheapest flights from Portsmouth to Massachusetts?

    On average you can expect to pay £1,214 for a flight from Portsmouth to Massachusetts. The cheapest flight overall is £298 while the most popular route, (Southampton Eastleigh - Boston Logan Intl) is currently priced at £616.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Portsmouth to Massachusetts 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

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 Portsmouth to Massachusetts

See prices for flight routes from nearby airports that may be better suited for you.
Heathrow to John F Kennedy Intl flights
Heathrow to Newark flights
Gatwick to John F Kennedy Intl flights
Heathrow to LaGuardia flights
London City to John F Kennedy Intl flights
Stansted to John F Kennedy Intl flights
Gatwick to Newark flights
Luton to John F Kennedy Intl flights
Gatwick to LaGuardia flights
Heathrow to Orlando flights
Luton to Newark flights
Heathrow to Los Angeles flights
Heathrow to Atlanta flights
Stansted to Newark flights
Heathrow to Miami flights
London City to Newark flights
Manchester to John F Kennedy Intl flights
Heathrow to Boston flights
Heathrow to Dallas/Fort Worth flights
Heathrow to San Francisco flights
Manchester to Orlando flights
Gatwick to Orlando flights
Heathrow to Dulles Intl flights
Heathrow to O'Hare Intl flights
Manchester to Newark flights
Heathrow to Seattle flights
Heathrow to Las Vegas flights
Gatwick to Los Angeles flights
Manchester to LaGuardia flights
Gatwick to Atlanta flights
Heathrow to Hobby flights
Gatwick to Boston flights
Stansted to Orlando flights
Stansted to Atlanta flights
Stansted to Los Angeles flights
Heathrow to Baltimore flights
London City to Los Angeles flights
London City to Atlanta flights
Gatwick to Miami flights
London City to Miami flights
Heathrow to Tampa flights
Stansted to Miami flights
Heathrow to George Bush Intcntl flights
Luton to Atlanta flights
Luton to Los Angeles flights
London City to Boston flights
London City to Orlando flights
Heathrow to Ontario flights
Stansted to Boston flights
Manchester to Atlanta flights

Top 10 airlines flying from Portsmouth to Massachusetts

Discover the top 10 airlines that operate flights from Portsmouth to Massachusetts. 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 858,174 searches. Data last updated 14 July 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest£148Average£563FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
TAP AIR PORTUGALCheapest£226Average£373FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
IcelandairCheapest£295Average£425FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
LufthansaCheapest£314Average£394FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Scandinavian AirlinesCheapest£316Average£424FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
JetBlueCheapest£326Average£562FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
British AirwaysCheapest£326Average£501FlexibilityNo cancel feeOn-time70%
Search British Airways flights
United AirlinesCheapest£334Average£384FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Aer LingusCheapest£354Average£500FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
Virgin AtlanticCheapest£354Average£505FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Portsmouth to Massachusetts. 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 Massachusetts?

Millions of users choose and trust Cheapflights to book the best flight deals from Portsmouth to Massachusetts for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

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

Need flexible booking options for your flight to Massachusetts from Portsmouth? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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

Yes, Cheapflights offers price alerts on Portsmouth to Massachusetts flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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.