BOS

£365 Find Cheap Flights from Portsmouth to Boston

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 30/5. 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

KAYAK searches hundreds of travel sites at once for deals on flights to Boston

Travellers love KAYAK
41,299,237 searches in the past 7 days on KAYAK

Save 29% or moreCompare multiple travel sites with one search.

Track pricesNot ready to book? Create a price alert for when prices drop.

Bundle and saveSave money when you bundle your flight + hotel.

Filter your dealsChoose cabin class, free Wi-Fi and more.

Everything you should know

Cheapest return fare
£559
Aer Lingus
Mon 8/6Mon 15/6
SOU - BOS • 1 stop
Cheapest one-way flight
£365
Multiple Airlines
Sat 30/5
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

Mon, 8 Jun - Mon, 15 Jun
Aer Lingus Logo
09:20 - 18:50
SOU
-
BOS
14h 30m
1 stop
Aer Lingus Logo
21:15 - 16:50
BOS
-
SOU
14h 35m
1 stop
£559Aer Lingus
Wed, 10 Jun - Wed, 17 Jun
Multiple Airlines Logo
15:35 - 09:45
SOU
-
BOS
23h 10m
2 stops
Multiple Airlines Logo
05:10 - 19:30
BOS
-
SOU
33h 20m
3 stops
£713Multiple Airlines
Mon, 8 Jun - Mon, 15 Jun
Multiple Airlines Logo
17:20 - 14:55
SOU
-
BOS
26h 35m
2 stops
Multiple Airlines Logo
21:15 - 16:50
BOS
-
SOU
14h 35m
1 stop
£715Multiple Airlines
Mon, 8 Jun - Mon, 15 Jun
Multiple Airlines Logo
17:20 - 14:55
SOU
-
BOS
26h 35m
2 stops
Multiple Airlines Logo
21:15 - 08:35
BOS
-
SOU
30h 20m
2 stops
£739Multiple Airlines
Mon, 8 Jun - Mon, 15 Jun
Multiple Airlines Logo
17:20 - 21:27
SOU
-
BOS
33h 07m
3 stops
Multiple Airlines Logo
10:45 - 16:50
BOS
-
SOU
25h 05m
2 stops
£741Multiple Airlines
Mon, 8 Jun - Mon, 15 Jun
Multiple Airlines Logo
17:20 - 21:27
SOU
-
BOS
33h 07m
3 stops
Multiple Airlines Logo
05:50 - 16:50
BOS
-
SOU
30h 00m
3 stops
£741Multiple Airlines
Wed, 10 Jun - Wed, 17 Jun
Multiple Airlines Logo
15:35 - 09:49
SOU
-
BOS
23h 14m
3 stops
Multiple Airlines Logo
05:10 - 19:30
BOS
-
SOU
33h 20m
3 stops
£755Multiple Airlines
Wed, 10 Jun - Wed, 17 Jun
Multiple Airlines Logo
09:20 - 17:11
SOU
-
BOS
12h 51m
1 stop
Multiple Airlines Logo
23:35 - 19:30
BOS
-
SOU
14h 55m
1 stop
£793Multiple Airlines
Thu, 7 May - Mon, 11 May
British Airways Logo
09:20 - 18:50
SOU
-
BOS
14h 30m
1 stop
British Airways Logo
23:30 - 19:30
BOS
-
SOU
15h 00m
1 stop
£802British Airways
Mon, 11 May - Sun, 17 May
British Airways Logo
09:20 - 22:00
SOU
-
BOS
17h 40m
1 stop
British Airways Logo
23:30 - 08:40
BOS
-
SOU
28h 10m
1 stop
£813British Airways
Useful Info

Good to know - Cheap tickets from Portsmouth to Boston

Low seasonJanuary
Cheapest flight£365
Best time to beat the crowds (8% less expensive on average)
Most popular time to fly (22% 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)