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Cheap flights from Portsmouth to Massachusetts from £405

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 28/4. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — BOS
21 Mar — 28 Mar1
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 19 February 2026.

Thu 12/309:30
SOU
-
BOS
1 stop14h 25m
Aer Lingus
Thu 19/322:20
BOS
-
SOU
1 stop13h 15m
Aer Lingus
Deal found 17/2£588
Thu 12/318:05
SOU
-
BOS
1 stop24h 15m
Delta
Thu 19/306:00
BOS
-
SOU
2 stops22h 20m
Delta
Deal found 17/2£592
Wed 1/409:10
SOU
-
BOS
1 stop14h 40m
Aer Lingus
Wed 8/417:20
BOS
-
SOU
1 stop10h 20m
Aer Lingus
Deal found 15/2£605
Sat 5/917:20
SOU
-
BOS
1 stop24h 59m
Delta
Mon 28/920:25
BOS
-
SOU
1 stop15h 25m
Delta
Deal found 15/2£610
Sat 5/909:15
SOU
-
BOS
1 stop33h 04m
Delta
Thu 24/909:55
BOS
-
SOU
2 stops17h 40m
Delta
Deal found 15/2£622
Sat 5/909:15
SOU
-
BOS
1 stop33h 04m
Delta
Sun 27/909:55
BOS
-
SOU
2 stops17h 40m
Delta
Deal found 15/2£640
Sat 5/909:15
SOU
-
BOS
1 stop33h 04m
Delta
Fri 25/920:25
BOS
-
SOU
1 stop15h 25m
Delta
Deal found 15/2£652
Wed 1/420:00
SOU
-
BOS
1 stop27h 50m
Multiple Airlines
Wed 8/423:00
BOS
-
SOU
2 stops27h 25m
Multiple Airlines
Deal found 15/2£666
Sat 4/409:10
SOU
-
BOS
1 stop14h 40m
Aer Lingus
Sat 11/421:15
BOS
-
SOU
1 stop14h 20m
Aer Lingus
Deal found 17/2£667
Thu 19/309:30
SOU
-
BOS
1 stop14h 25m
British Airways
Wed 25/318:10
BOS
-
SOU
1 stop10h 35m
British Airways
Deal found 17/2£677
Wed 4/312:25
SOU
-
BOS
1 stop11h 34m
British Airways
Sun 8/318:10
BOS
-
SOU
1 stop10h 35m
British Airways
Deal found 17/2£697

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 19 February 2026.

Round-trip from

£588

One-way from

£405

Popular in

July

Cheapest in

September

Average price

£399
Aer Lingus
  • Aer Lingus
  • 12/3-19/3
  • 2 total stops
  • 27h 40m total
  • Portsmouth to Massachusetts
Search Deals
British Airways
  • British Airways
  • 28/4
  • 1 total stop
  • 10h 45m total
  • Portsmouth to Massachusetts
Search Deals
Highest demand for flights based on searches. 10% potential increase in price (£39 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (£6 potential savings vs. average return price).
Search Deals
Average for round-trip flights in February 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 19 February 2026.
Use the filters below to find and compare flights from Portsmouth to Massachusetts that are best for you.

Fly from

Portsmouth

Fly to

Massachusetts

Route

Depart

Return

Price

SouthamptonBoston

SOU - BOS

SOUBOS

Southampton Eastleigh

Thu 12/3

09:30-19:55

1 stop14h 25m

Boston Logan Intl

Thu 19/3

22:20-15:35

1 stop13h 15m

£588

SouthamptonBoston

SOU - BOS

SOUBOS

Southampton Eastleigh

Thu 12/3

18:05-14:20

1 stop24h 15m

Boston Logan Intl

Thu 19/3

06:00-08:20

2 stops22h 20m

£592

SouthamptonBoston

SOU - BOS

SOUBOS

Southampton Eastleigh

Wed 1/4

09:10-18:50

1 stop14h 40m

Boston Logan Intl

Wed 8/4

17:20-08:40

1 stop10h 20m

£605

SouthamptonBoston

SOU - BOS

SOUBOS

Southampton Eastleigh

Wed 1/4

20:00-18:50

1 stop27h 50m

Boston Logan Intl

Wed 8/4

23:00-07:25

2 stops27h 25m

£666

SouthamptonBoston

SOU - BOS

SOUBOS

Southampton Eastleigh

Sat 4/4

09:10-18:50

1 stop14h 40m

Boston Logan Intl

Sat 11/4

21:15-16:35

1 stop14h 20m

£667

SouthamptonBoston

SOU - BOS

SOUBOS

Southampton Eastleigh

Thu 19/3

09:30-19:55

1 stop14h 25m

Boston Logan Intl

Wed 25/3

18:10-08:45

1 stop10h 35m

£677

SouthamptonBoston

SOU - BOS

SOUBOS

Southampton Eastleigh

Wed 4/3

12:25-18:59

1 stop11h 34m

Boston Logan Intl

Sun 8/3

18:10-08:45

1 stop10h 35m

£697

SouthamptonBoston

SOU - BOS

SOUBOS

Southampton Eastleigh

Thu 12/3

09:30-21:20

2 stops15h 50m

Boston Logan Intl

Thu 19/3

17:25-08:50

3 stops35h 25m

£715

SouthamptonBoston

SOU - BOS

SOUBOS

Southampton Eastleigh

Fri 6/3

19:00-16:15

2 stops26h 15m

Boston Logan Intl

Mon 9/3

22:20-15:35

1 stop13h 15m

£727

SouthamptonBoston

SOU - BOS

SOUBOS

Southampton Eastleigh

Tue 28/4

09:10-14:55

1 stop10h 45m

£405

Flights are sorted by cheapest return flights first.

Deals found on 15/2

Showing 1-10 of 14 results
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 month to book a flight from Portsmouth to Massachusetts?

Currently, July is the cheapest month in which you can book a flight from Portsmouth to Massachusetts (average of £138). Flying from Portsmouth to Massachusetts in June is currently the most expensive (average of £369). 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 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 19 February 2026.

It’s optimal to fly from Portsmouth to Massachusetts at midday. By choosing this option you can save up to 26% on the cost of your flight, compared to a flight in the evening.

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 17 February 2026.

Travellers seeking maximum savings on their Portsmouth to Massachusetts flight should consider departing on Thursday afternoons 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.

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 19 February 2026.

The most flights from P0R to USMA are scheduled on a Thursday (32 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (26 on average).

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 and Delta can get you from Portsmouth to Massachusetts in just under 14h 25m. Your travel time can differ by up to 9h 50m. 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 (87%), JetBlue (85%) and TAP AIR PORTUGAL (85%).

  • What are the cheapest flights from Portsmouth to Massachusetts?

    On average you can expect to pay £1,430 for a flight from Portsmouth to Massachusetts. The cheapest flight overall is £286 while the most popular route, (Southampton Eastleigh - Boston Logan Intl) is currently priced at £560.

  • 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.

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

    Currently, July is the cheapest month in which you can book a flight from Portsmouth to Massachusetts (average of £138). Flying from Portsmouth to Massachusetts in June is currently the most expensive (average of £369). 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

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Alternative routes for Portsmouth to Massachusetts

See prices for flight routes from nearby airports that may be better suited for you.
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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 19 February 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest£146Average£513FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
TAP AIR PORTUGALCheapest£223Average£369FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
Scandinavian AirlinesCheapest£282Average£429FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
PLAYCheapest£288Average£422FlexibilityNo cancel feeOn-timeN/A
Search PLAY flights
IcelandairCheapest£291Average£443FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
LufthansaCheapest£304Average£399FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
JetBlueCheapest£324Average£517FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
United AirlinesCheapest£330Average£380FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
British AirwaysCheapest£346Average£435FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Virgin AtlanticCheapest£348Average£515FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights

Fly with Cheapflights

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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.

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