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$307+ Cheap flights from Boston (BOS) to Portsmouth, England

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 3/26. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — LHR
Jan 26 — Feb 21
Sun 1/26
Sun 2/2
1 adult, Economy
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Cheap flight deals from Boston to Portsmouth

Discover tips and strategies to find the most affordable flight options for your journey from Boston (BOS) to Portsmouth (P0R). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 21, 2025.

Round-trip from

$673
(Mytrip)

One-way from

$307
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$670
From Boston Logan Intl to Portsmouth
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One-way flight from Boston Logan Intl to Portsmouth
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Highest demand for flights based on searches. 21% potential increase in price ($255 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($57 potential savings vs. average RT price).
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Average for round-trip flights in January 2025
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Find flight deals from Boston to Portsmouth

Cheapest flights from Boston to Portsmouth
Explore the most affordable flight options available from Boston to Portsmouth. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 21, 2025.

This Mytrip deal was found by Cheapflights users on 1/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/65:45 pmBOS - SOU
1 stop10h 00mAer Lingus
Thu 3/139:30 amSOU - BOS
1 stop14h 25mAer Lingus
Deal found 1/20$673
This Mytrip deal was found by Cheapflights users on 1/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/54:15 pmBOS - SOU
2 stops22h 25mMultiple Airlines
Wed 3/129:30 amSOU - BOS
2 stops15h 50mMultiple Airlines
Deal found 1/20$721
This KLM deal was found by Cheapflights users on 1/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/59:15 pmBOS - SOU
1 stop14h 35mKLM
Wed 3/129:00 amSOU - BOS
1 stop15h 15mKLM
Deal found 1/20$750
This Virgin Atlantic deal was found by Cheapflights users on 1/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/59:15 pmBOS - SOU
1 stop14h 35mVirgin Atlantic
Wed 3/129:00 amSOU - BOS
1 stop15h 15mVirgin Atlantic
Deal found 1/21$752
This Delta deal was found by Cheapflights users on 1/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/277:09 pmBOS - SOU
1 stop16h 41mDelta
Fri 2/79:00 amSOU - BOS
1 stop15h 15mDelta
Deal found 1/20$753
This British Airways deal was found by Cheapflights users on 1/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/128:05 pmBOS - SOU
2 stops14h 55mBritish Airways
Tue 5/209:10 amSOU - BOS
1 stop14h 35mBritish Airways
Deal found 1/20$1,758

Find flights from Boston to Portsmouth within your budget

Customize your flight search to find flights from Boston to Portsmouth 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 2,558,603 searches. Data last updated January 21, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

BostonSouthampton

BOS - SOU

BOSSOU

Boston Logan Intl

Thu 3/6

5:45 pm-8:45 am

1 stop10h 00m

Southampton Eastleigh

Thu 3/13

9:30 am-7:55 pm

1 stop14h 25m

$673

BostonSouthampton

BOS - SOU

BOSSOU

Boston Logan Intl

Wed 3/5

4:15 pm-7:40 pm

2 stops22h 25m

Southampton Eastleigh

Wed 3/12

9:30 am-9:20 pm

2 stops15h 50m

$721

BostonSouthampton

BOS - SOU

BOSSOU

Boston Logan Intl

Wed 3/5

9:15 pm-4:50 pm

1 stop14h 35m

Southampton Eastleigh

Wed 3/12

9:00 am-8:15 pm

1 stop15h 15m

$750

BostonSouthampton

BOS - SOU

BOSSOU

Boston Logan Intl

Wed 3/5

9:15 pm-4:50 pm

1 stop14h 35m

Southampton Eastleigh

Wed 3/12

9:00 am-8:15 pm

1 stop15h 15m

$752

BostonSouthampton

BOS - SOU

BOSSOU

Boston Logan Intl

Mon 1/27

7:09 pm-4:50 pm

1 stop16h 41m

Southampton Eastleigh

Fri 2/7

9:00 am-7:15 pm

1 stop15h 15m

$753

BostonSouthampton

BOS - SOU

BOSSOU

Boston Logan Intl

Sat 4/12

7:40 pm-3:25 pm

2 stops14h 45m

Southampton Eastleigh

Sat 4/19

9:40 am-6:45 pm

1 stop14h 05m

$1,868

BostonSouthampton

BOS - SOU

BOSSOU

Boston Logan Intl

Wed 3/26

7:10 pm-7:35 am

2 stops32h 25m

$307

BostonSouthampton

BOS - SOU

BOSSOU

Boston Logan Intl

Wed 3/26

6:45 pm-8:45 am

1 stop10h 00m

$423

BostonSouthampton

BOS - SOU

BOSSOU

Boston Logan Intl

Wed 4/16

5:25 am-8:45 am

2 stops22h 20m

$438

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/21

Best time to book a flight from Boston to Portsmouth

Have a flexible travel schedule? Discover the best time to fly to Portsmouth from Boston with our price prediction graph.
Estimated round-trip 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.

Travel insights for flights from Boston to Portsmouth

Get recent, data-driven insights about flights from Boston to Portsmouth including ideal travel times, pricing trends, and more.

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

Currently, November is the cheapest month in which you can book a flight from Boston to Portsmouth (average of $661). Flying from Boston to Portsmouth in June is currently the most expensive (average of $1,137). 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 BOS to P0R?

Find hourly flight availability from Boston to Portsmouth. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated January 21, 2025.

When flying from Boston to Portsmouth, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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

Use this chart to determine the cheapest time to fly round-trip from Boston to Portsmouth. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Boston to Portsmouth flight should consider departing on Friday mornings when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Boston to Portsmouth

Explore weekly flight availability from Boston to Portsmouth. 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 January 21, 2025.

The most flights from BOS to P0R are scheduled on a Monday (31 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (22 on average).

Rainfall in Portsmouth by month

Plan your trip to Portsmouth by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Portsmouth ranges from 1.0 - 3.0 inches per month. December is typically the wettest month, when rainfall can reach 3.0 in. July is typically the driest time to visit Portsmouth when rainfall is around 1.0 in.

Temperature in Portsmouth by month

Plan your trip to Portsmouth by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Portsmouth, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 64.4 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 39.2 F).

Reviews of airlines servicing Portsmouth

Get insights into the airlines that provide service to Portsmouth. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Portsmouth. Reviews last updated January 21, 2025.
Delta
8.0
Very good
8,521 reviews

Entertainment

7.9

Food

7.3

Boarding

8.2

Crew

8.6

Overall

8.0

Comfort

8.0

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Delta
8.0
Very good
8,521 reviews
Delta
8.0
Very good
8,521 reviews

Entertainment

7.9

Food

7.3

Boarding

8.2

Crew

8.6

Overall

8.0

Comfort

8.0

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

KLM
7.8
Good
1,341 reviews
Delta
8.0
Very good
8,521 reviews

Entertainment

7.9

Food

7.3

Boarding

8.2

Crew

8.6

Overall

8.0

Comfort

8.0

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Virgin Atlantic
7.5
Good
665 reviews
Delta
8.0
Very good
8,521 reviews

Entertainment

7.9

Food

7.3

Boarding

8.2

Crew

8.6

Overall

8.0

Comfort

8.0

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Aer Lingus
7.1
Good
1,082 reviews
Delta
8.0
Very good
8,521 reviews

Entertainment

7.9

Food

7.3

Boarding

8.2

Crew

8.6

Overall

8.0

Comfort

8.0

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

British Airways
6.6
Okay
6,834 reviews
Delta
8.0
Very good
8,521 reviews

Entertainment

7.9

Food

7.3

Boarding

8.2

Crew

8.6

Overall

8.0

Comfort

8.0

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

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

    If you book a flight to Portsmouth from Boston, you will be flying from Logan Intl, which is the city’s only airport. Boston Logan Intl (BOS) is located 2.6 mi from the center of Boston. There are 0 flights from Logan Intl to Portsmouth per day from 19 different airlines.

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

    Before booking your flight to Portsmouth from Boston, check out the most reliable airlines to get you to your destination on time: Aer Lingus (83%), American Airlines (83%), Finnair( 83%).

  • What are the cheapest flights from Boston to Portsmouth?

    While on average a flight from Boston to Portsmouth is generally $1,435, our data shows the cheapest flight currently is $193. When looking at the most popular route, (Boston Logan Intl - Southampton Eastleigh), you can expect to pay $673 for that flight.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Boston 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 Boston to Portsmouth?

    Currently, November is the cheapest month in which you can book a flight from Boston to Portsmouth (average of $661). Flying from Boston to Portsmouth in June is currently the most expensive (average of $1,137). 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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Alternative routes for Boston to Portsmouth

See prices for flight routes from nearby airports that may be better suited for you.
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Top 10 airlines flying from Boston to Portsmouth

Discover the top 10 airlines that operate flights from Boston 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 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
SWISSCheapest$290Average$575FlexibilityNo cancel feeOn-time79%
Scandinavian AirlinesCheapest$325Average$450FlexibilityNo cancel feeOn-time77%
LufthansaCheapest$356Average$641FlexibilityNo cancel feeOn-time76%
PLAYCheapest$359Average$479FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$387Average$795FlexibilityNo cancel feeOn-time75%
Virgin AtlanticCheapest$387Average$700FlexibilityNo cancel feeOn-time72%
Air FranceCheapest$390Average$618FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$392Average$715FlexibilityNo cancel feeOn-time70%
JetBlueCheapest$397Average$714FlexibilityNo cancel feeOn-time62%
DeltaCheapest$399Average$1,089FlexibilityNo cancel feeOn-timeN/A
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