BOS

£320 Find Cheap Flights from Portsmouth to Boston – Compare and Save

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Portsmouth to Boston departing on 25/8. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

Save 26% or more on flights. Compare deals from all over the web.

Never overpay with our price tracking tools.

Filter searches by price, airline and more to find your best flights.

Everything you should know

Cheapest return fare
£526
Aer Lingus
Fri 11/9Tue 22/9
SOU - BOS • 1 stop
Cheapest one-way flight
£320
Multiple Airlines
Tue 25/8
SOU - BOS • 3 stops
Direct flights
Every day
You can fly direct with Aer Lingus, Aeromexico, and others. Average duration is 0
Direct flights
Direct flights
+1
+1
Direct flights
Direct flights
+1
Start a new search
KAYAK searches hundreds of sites at once to find you the best travel deals.
We hope you love your trip to Boston!
Flight Deals
Useful Info
Flight Deals

Cheap Flights from Portsmouth to Boston

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for return flights from Portsmouth to Boston that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent return flight deals from Portsmouth to Boston

Fri, 11 Sep - Tue, 22 Sep
Aer Lingus Logo
09:20 - 14:55
SOU
-
BOS
10h 35m
1 stop
Aer Lingus Logo
21:15 - 16:50
BOS
-
SOU
14h 35m
1 stop
£526Aer Lingus
Wed, 9 Sep - Wed, 16 Sep
Aer Lingus Logo
09:20 - 14:55
SOU
-
BOS
10h 35m
1 stop
Aer Lingus Logo
21:15 - 16:50
BOS
-
SOU
14h 35m
1 stop
£527Aer Lingus
Wed, 9 Sep - Wed, 16 Sep
Aer Lingus Logo
09:20 - 14:55
SOU
-
BOS
10h 35m
1 stop
Aer Lingus Logo
21:15 - 16:50
BOS
-
SOU
14h 35m
1 stop
£566Aer Lingus
Wed, 9 Sep - Wed, 16 Sep
Aer Lingus Logo
09:20 - 14:55
SOU
-
BOS
10h 35m
1 stop
Aer Lingus Logo
21:15 - 16:50
BOS
-
SOU
14h 35m
1 stop
£567Aer Lingus
Wed, 9 Sep - Wed, 16 Sep
Aer Lingus Logo
20:00 - 16:10
SOU
-
BOS
25h 10m
2 stops
Aer Lingus Logo
17:25 - 16:50
BOS
-
SOU
18h 25m
1 stop
£569Aer Lingus
Wed, 9 Sep - Wed, 16 Sep
Delta Logo
09:15 - 18:30
SOU
-
BOS
14h 15m
1 stop
Delta Logo
13:32 - 08:35
BOS
-
SOU
14h 03m
2 stops
£584Delta
Wed, 9 Sep - Wed, 16 Sep
KLM Logo
09:15 - 23:10
SOU
-
BOS
18h 55m
2 stops
KLM Logo
13:32 - 08:35
BOS
-
SOU
14h 03m
2 stops
£587KLM
Wed, 9 Sep - Wed, 16 Sep
KLM Logo
09:15 - 23:10
SOU
-
BOS
18h 55m
2 stops
KLM Logo
13:32 - 08:35
BOS
-
SOU
14h 03m
2 stops
£588KLM
Mon, 24 Aug - Mon, 31 Aug
Aer Lingus Logo
20:00 - 16:10
SOU
-
BOS
25h 10m
2 stops
Aer Lingus Logo
12:44 - 08:40
BOS
-
SOU
14h 56m
2 stops
£591Aer Lingus
Fri, 11 Sep - Tue, 22 Sep
Aer Lingus Logo
20:00 - 19:50
SOU
-
BOS
28h 50m
2 stops
Aer Lingus Logo
18:40 - 16:50
BOS
-
SOU
17h 10m
2 stops
£592Aer Lingus
Useful Info

Good to know - Cheap tickets from Portsmouth to Boston

Low season

January

Cheapest flight

£320
Best time to beat the crowds (14% less expensive on average)
Most popular time to fly (31% more expensive on average)
Flight from Southampton to Boston

When to book flights from Portsmouth to Boston

Are your dates flexible? Find out the best times to travel from Portsmouth to Boston based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated return price

FAQs for booking flights from Portsmouth to Boston

  • How does KAYAK find such low prices on flights from Portsmouth to Boston?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Portsmouth to Boston.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Portsmouth to Boston?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Boston from Portsmouth is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Portsmouth to Boston?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional return ticket. You could then fly to Boston with an airline and back to Portsmouth with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Portsmouth to Boston?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Boston from Portsmouth up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

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

Information on your arrival and departure airports

Boston (BOS)