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Cheap flights from Portsmouth to Massachusetts from £365

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 14/7. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — BOS
23 Jun — 30 Jun1
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 24 May 2026.

Sat 3/1017:20
SOU
-
BOS
1 stop24h 55m
KLM
Sat 10/1018:55
BOS
-
SOU
1 stop16h 55m
KLM
Deal found 22/5£572
Sat 4/709:20
SOU
-
BOS
1 stop10h 35m
Aer Lingus
Sat 11/717:25
BOS
-
SOU
1 stop10h 10m
Aer Lingus
Deal found 24/5£595
Wed 17/608:15
SOU
-
BOS
1 stop13h 56m
Multiple Airlines
Wed 24/617:15
BOS
-
SOU
2 stops21h 15m
Multiple Airlines
Deal found 20/5£602
Sun 11/1017:20
SOU
-
BOS
1 stop28h 16m
Delta
Thu 5/1117:00
BOS
-
SOU
2 stops19h 00m
Delta
Deal found 24/5£685
Thu 15/1017:20
SOU
-
BOS
1 stop28h 16m
Delta
Tue 3/1111:30
BOS
-
SOU
2 stops15h 40m
Delta
Deal found 24/5£688
Sun 21/609:20
SOU
-
BOS
2 stops18h 06m
Aer Lingus
Sun 28/621:15
BOS
-
SOU
1 stop17h 15m
Aer Lingus
Deal found 24/5£689
Sat 3/1020:00
SOU
-
BOS
2 stops21h 35m
Multiple Airlines
Sat 10/1020:20
BOS
-
SOU
2 stops15h 30m
Multiple Airlines
Deal found 22/5£694
Tue 30/609:15
SOU
-
BOS
2 stops18h 11m
Aer Lingus
Wed 15/717:25
BOS
-
SOU
1 stop18h 25m
Aer Lingus
Deal found 23/5£700
Fri 19/617:20
SOU
-
BOS
1 stop30h 10m
KLM
Sun 21/620:25
BOS
-
SOU
1 stop31h 10m
KLM
Deal found 20/5£703

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 24 May 2026.

Round-trip from

£572

One-way from

£365

Popular in

June

Cheapest in

September

Average price

£517
KLM
  • KLM
  • 3/10-10/10
  • 2 total stops
  • 41h 50m total
  • Portsmouth to Massachusetts
Search Deals
Aer Lingus
  • Aer Lingus
  • 14/7
  • 1 total stop
  • 10h 40m total
  • Portsmouth to Massachusetts
Search Deals
Highest demand for flights based on searches. 10% potential increase in price (£43 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 May 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 24 May 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

Mon 12/10

09:05-16:36

1 stop12h 31m

Boston Logan Intl

Wed 4/11

20:55-17:00

1 stop15h 05m

£685

SouthamptonBoston

SOU - BOS

SOUBOS

Southampton Eastleigh

Wed 14/10

09:15-16:36

1 stop12h 21m

Boston Logan Intl

Tue 3/11

19:15-17:00

1 stop16h 45m

£685

SouthamptonBoston

SOU - BOS

SOUBOS

Southampton Eastleigh

Wed 14/10

17:20-13:15

1 stop24h 55m

Boston Logan Intl

Wed 4/11

13:10-17:00

2 stops22h 50m

£685

SouthamptonBoston

SOU - BOS

SOUBOS

Southampton Eastleigh

Tue 13/10

09:05-16:36

1 stop12h 31m

Boston Logan Intl

Tue 3/11

19:15-17:00

1 stop16h 45m

£685

SouthamptonBoston

SOU - BOS

SOUBOS

Southampton Eastleigh

Thu 15/10

17:20-16:36

1 stop28h 16m

Boston Logan Intl

Tue 3/11

11:30-08:10

2 stops15h 40m

£688

SouthamptonBoston

SOU - BOS

SOUBOS

Southampton Eastleigh

Thu 18/6

09:20-07:46

2 stops27h 26m

Boston Logan Intl

Wed 24/6

20:14-19:30

2 stops18h 16m

£735

SouthamptonBoston

SOU - BOS

SOUBOS

Southampton Eastleigh

Thu 2/7

17:20-13:18

1 stop24h 58m

Boston Logan Intl

Tue 14/7

09:05-08:45

2 stops18h 40m

£744

SouthamptonBoston

SOU - BOS

SOUBOS

Southampton Eastleigh

Thu 2/7

17:20-13:18

1 stop24h 58m

Boston Logan Intl

Thu 16/7

15:00-17:35

2 stops21h 35m

£744

SouthamptonBoston

SOU - BOS

SOUBOS

Southampton Eastleigh

Thu 12/11

09:20-18:55

1 stop14h 35m

Boston Logan Intl

Mon 16/11

21:20-19:30

1 stop17h 10m

£746
Cheapest one-way

SouthamptonBoston

SOU - BOS

SOUBOS

Southampton Eastleigh

Tue 14/7

09:15-14:55

1 stop10h 40m

£365

Flights are sorted by cheapest return flights first.

Deals found on 23/5

Showing 1-10 of 21 resultsSorted by cheapest first
1
2
3

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 24 May 2026.

It’s optimal to fly from Portsmouth to Massachusetts at midday. By choosing this option you can save up to 24% 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 24 May 2026.

The most flights from P0R to USMA are scheduled on a Monday (36 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (36 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 23 May 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?

    Delta and British Airways can get you from Portsmouth to Massachusetts in just under 12h 21m. Your travel time can differ by up to 11h 34m. 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%), KLM (86%) and Air France (85%).

  • What are the cheapest flights from Portsmouth to Massachusetts?

    On average you can expect to pay £1,062 for a flight from Portsmouth to Massachusetts. The cheapest flight overall is £345 while the most popular route, (Southampton Eastleigh - Boston Logan Intl) is currently priced at £572.

  • 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

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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 24 May 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest£148Average£567FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
TAP AIR PORTUGALCheapest£225Average£371FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
IcelandairCheapest£281Average£445FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
Scandinavian AirlinesCheapest£299Average£448FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
PLAYCheapest£307Average£429FlexibilityNo cancel feeOn-timeN/A
Search PLAY flights
LufthansaCheapest£313Average£392FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
JetBlueCheapest£320Average£525FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
Aer LingusCheapest£327Average£544FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
United AirlinesCheapest£332Average£384FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
British AirwaysCheapest£348Average£453FlexibilityNo cancel feeOn-time70%
Search British Airways 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.

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