Title: Cheap Flights to Portsmouth - Expedia.co.uk ![](https://images.trvl-media.com/place/6057414/a733ee3b-8e9c-48cc-bec5-cd01636327e0.jpg?impolicy=fcrop&w=1200&h=500&q=medium) ![](https://images.trvl-media.com/place/6057414/a733ee3b-8e9c-48cc-bec5-cd01636327e0.jpg?impolicy=fcrop&w=1200&h=500&q=medium) # £278 Cheap Flights to Portsmouth [View £278 flight on Mon, 21 Sept 2026](https://expedia.co.uk/Flights-Search?trip=oneway&leg1=from:LGW,to:BOS,departure:21/09/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:277.28&airProductToken=AQoxCi8IwmwSBDE5MjYYy7EBIMGTASjesJgDMMS0mAM4TEAAWAFqAkROcghQTDVMQVhMMRIKCAEQARgBKgJCNhgBIgQIARABKAIoBCgGMAE) - [Return](?flightType=roundtrip) - [One-way](?flightType=oneway) - [Multi-city](?flightType=multicity) ### Travellers Adults ChildrenAges 2 to 17 InfantsYounger than 2 EconomyPremium economyBusiness classFirst class Leaving from Going to Departing Returning Add a place to stay Add a car Direct flights only [Portsmouth Travel Guide](https://expedia.co.uk/Portsmouth.dx6057414)[Hotels in Portsmouth](https://expedia.co.uk/Portsmouth-Hotels.d6057414.Travel-Guide-Hotels)[Things to do in Portsmouth](https://expedia.co.uk/Things-To-Do-In-Portsmouth.d6057414.Travel-Guide-Activities)[Portsmouth Car Hire](https://expedia.co.uk/Compare-Cheap-Car-Hire-In-Portsmouth.d6057414.Car-Hire-Guide)[Portsmouth Holidays](https://expedia.co.uk/Portsmouth.d6057414.Holidays-City-Breaks) ## Popular airlines to Portsmouth - ![American Airlines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AA.svg) American Airlines [](https://www.expedia.co.uk/Flights-Search?leg1=from:CMH,to:Portsmouth, New Hampshire, United States of America,departure:13/11/2025TANYT&leg2=from:Portsmouth, New Hampshire, United States of America,to:CMH,departure:20/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AA"}}]) - ![JetBlue Airways](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_B6.svg) JetBlue Airways [](https://www.expedia.co.uk/Flights-Search?leg1=from:CMH,to:Portsmouth, New Hampshire, United States of America,departure:13/11/2025TANYT&leg2=from:Portsmouth, New Hampshire, United States of America,to:CMH,departure:20/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"B6"}}]) - ![Delta](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_DL.svg) Delta [](https://www.expedia.co.uk/Flights-Search?leg1=from:CMH,to:Portsmouth, New Hampshire, United States of America,departure:13/11/2025TANYT&leg2=from:Portsmouth, New Hampshire, United States of America,to:CMH,departure:20/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"DL"}}]) - ![United](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_UA.svg) United [](https://www.expedia.co.uk/Flights-Search?leg1=from:CMH,to:Portsmouth, New Hampshire, United States of America,departure:13/11/2025TANYT&leg2=from:Portsmouth, New Hampshire, United States of America,to:CMH,departure:20/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"UA"}}]) - ![Southwest Airlines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_WN.svg) Southwest Airlines [](https://www.expedia.co.uk/Flights-Search?leg1=from:CMH,to:Portsmouth, New Hampshire, United States of America,departure:13/11/2025TANYT&leg2=from:Portsmouth, New Hampshire, United States of America,to:CMH,departure:20/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"WN"}}]) - ![Alaska Airlines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AS.svg) Alaska Airlines [](https://www.expedia.co.uk/Flights-Search?leg1=from:CMH,to:Portsmouth, New Hampshire, United States of America,departure:13/11/2025TANYT&leg2=from:Portsmouth, New Hampshire, United States of America,to:CMH,departure:20/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AS"}}]) - ![Spirit Airlines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_NK.svg) Spirit Airlines [](https://www.expedia.co.uk/Flights-Search?leg1=from:CMH,to:Portsmouth, New Hampshire, United States of America,departure:13/11/2025TANYT&leg2=from:Portsmouth, New Hampshire, United States of America,to:CMH,departure:20/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"NK"}}]) ![notification illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__notification.svg) ### Be in the know Get alerts if flight prices drop or rise\* ![deals illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__deals.svg) ### Book smarter Save up to 25% on select hotels after you book a flight\* ![trophy illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__trophy.svg) ### Earn twice Earn your airline miles on top of our rewards [Sign in](https://www.expedia.co.uk/login) ## Cheap round-trip flights to Portsmouth Prices were available within the past 7 days and start at £278 for one-way flights and £342 for round trip, for the period specified. Be sure to select the 'Direct flights only' box above if you are looking for a non stop route. Prices and availability are subject to change. Additional terms apply. All deals One way Return ![TAP Portugal](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/TP.gif) Tue, 31 Mar - Mon, 13 Apr LGW London BOS Boston £342 Return found 2 days ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:LGW,to:BOS,departure:31/03/2026TANYT&leg2=from:BOS,to:LGW,departure:13/04/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:341.58&airProductToken=AQptCjUI1KABEgQxMzM1GMuxASCLkgEov4qJAzDpi4kDOE9AAFgBagdESVNDSU5UcghPRjBEU0lINwo0CNSgARIDMjE1GIuSASDBkwEo7Y2JAzClkYkDOE9AAFgBagdESVNDSU5UcghPRjBEU0lINwprCjMI1KABEgMyMjgYwZMBIO5zKIOligMwk6iKAzhPQABYAWoHRElTQ0lOVHIIT0YwRFNJSDcKNAjUoAESBDEzMzAY7nMgy7EBKMGrigMwzayKAzhPQABYAWoHRElTQ0lOVHIIT0YwRFNJSDcSCggBEAEYASoCVFAYASIECAEQASgCKAMoBDAN) ![Icelandair](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/fi.gif) Thu, 20 Nov - Sun, 23 Nov LGW London BOS Boston £390 Return just found [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:LGW,to:BOS,departure:20/11/2025TANYT&leg2=from:BOS,to:LGW,departure:23/11/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:389.18&airProductToken=AQpmCjEIxpIBEgM0NzEYy7EBIIopKOvJ_QIwuMv9AjhYQABYAWoFTElHSFRyCFhKMk1HQkxUCjEIxpIBEgM2MzEYiikgwZMBKJzM_QIw-s79AjhYQAFYAWoFTElHSFRyCFhKMk1HQkxUCmYKMQjGkgESAzYzMBjBkwEgiiko0vH9AjCN9P0COFhAAFgBagVMSUdIVHIIWEoyTUdCTFQKMQjGkgESAzQ3MBiKKSDLsQEo7PT9AjCv9v0COFhAAVgBagVMSUdIVHIIWEoyTUdCTFQSCggBEAEYASoCRkkYASIECAEQASgCKAMoBDAB) ![Scandinavian Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/SK.gif) Wed, 4 Feb - Tue, 10 Feb LHR London BOS Boston £401 Return found 2 days ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:LHR,to:BOS,departure:04/02/2026TANYT&leg2=from:BOS,to:LHR,departure:10/02/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:400.32&airProductToken=AQpnCjII05YBEgQxNTA4GOuJASDiOyiypIQDMKClhAM4VEAAWAFqBUxJR0hUcghUTEVVNkdIVAoxCNOWARIDOTI3GOI7IMGTASifrIQDMKKwhAM4VEABWAFqBUxJR0hUcghUTEVVNkdIVApmCjEI05YBEgM5MjgYwZMBIOI7KKvphAMw6OyEAzhUQABYAWoFTElHSFRyCFRMRVU2R0hUCjEI05YBEgM1MDEY4jsg64kBKKnthAMwsO6EAzhUQAFYAWoFTElHSFRyCFRMRVU2R0hUEgoIARABGAEqAlNLGAEiBAgBEAEoAigDKAQwAQ) ![Lufthansa](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/LH.gif) Tue, 25 Nov - Tue, 31 Mar LHR London BOS Boston £405 Return found 2 days ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:LHR,to:BOS,departure:25/11/2025TANYT&leg2=from:BOS,to:LHR,departure:31/03/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:404.72&airProductToken=AQpmCjEIzJABEgM5MjEY64kBIKUEKMb__QIwpYD-AjhLQABYAWoFRUxUMDByCEtMVTVEWEJRCjEIzJABEgM0MjIYpQQgwZMBKJ2B_gIwkYX-AjhLQABYAWoFRUxUMDByCEtMVTVEWEJRCmgKMgjMkAESBDc1MTMYwZMBIIgYKIeRiQMw5ZGJAzhLQABYAWoFRUxUMDByCEtMVTVEWEJRCjIIzJABEgQ5MjY3GIgYIOuJASjAkokDMIKWiQM4S0AAWAFqBUVMVDAwcghLTFU1RFhCURIKCAEQARgBKgJMSBgBIgQIARABKAIoAygEMAs) ![Swiss International Air Lines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/LX.gif) Wed, 10 Dec - Wed, 4 Mar LHR London BOS Boston £409 Return found 1 hour ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:LHR,to:BOS,departure:10/12/2025TANYT&leg2=from:BOS,to:LHR,departure:04/03/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:408.32&airProductToken=AQprCjQIzLABEgMzNDUY64kBILk8KIio_wIw7Kj_AjhLQABYAWoIRUNPTElHSFRyCEtMVTVEWEJRCjMIzLABEgI1Mhi5PCDBkwEo_qz_AjCQsf8COEtAAVgBaghFQ09MSUdIVHIIS0xVNURYQlEKawozCMywARICNTMYwZMBILk8KOrihgMwouaGAzhLQABYAWoIRUNPTElHSFRyCEtMVTVEWEJRCjQIzLABEgMzMzIYuTwg64kBKN7mhgMwzOeGAzhLQAFYAWoIRUNPTElHSFRyCEtMVTVEWEJREgoIAhABGAIqAkxYGAEiBAgBEAEoAigDKAQwCw) ## Find the cheapest month to fly from Columbus (CMH) to Boston (BOS) ### September is typically the cheapest month to fly From £74 - £138 per traveller. ## Expedia flights to Portsmouth Searching for cheap flights to Portsmouth? No travel company presents more choices than Expedia if you're looking to compare flights to Portsmouth. With more airlines, cheaper flights, fewer stops, and more departure and arrival times travellers should ensure they search on Expedia before any holiday to New Hampshire. Expedia provides the cheapest flights to many destinations in New Hampshire and you may find even greater savings if you combine your flight with a hotel stay in Portsmouth. Expedia is the largest online travel agency which means that Expedia have access to cheap flights. So make sure you check Expedia regularly for these bargain flights because the cheapest airline tickets sell out fast. Expedia is not only free for everyone to use but it quick and easy to use. Find the lowest flight prices guaranteed and book directly through Expedia. Browse through hundreds of cheap flight offers to find the one that suits your budget by simply inputting your travel dates. Expedia will then find the cheapest flights to Portsmouth for that period and let you choose your preferred time and airline. If you need additional assistance, Expedia Customer Service representatives are available from 8am - 10pm Monday to Friday, and 9am - 10pm at weekends. Our capable staff will be able to help you with any questions regarding your Portsmouth flight, or other booking questions that may arise. When you book flights with Expedia you can rest assured that you have booked the best flight at the lowest price. ## Frequently asked questions ### What is the name of Portsmouth's airport? > Logan Intl. Airport (BOS) is the most popular airport in Portsmouth. ### What airport is best to fly into Portsmouth? > A huge number of travellers visit Portsmouth every day. With multiple airports in the city, there are a number of places you might touchdown. The main ones are Logan Intl. Airport (BOS) (80 kms (50 miles) from downtown), MHT (56 kms (35 miles) from downtown) and Portsmouth Intl. Airport (PSM) (5 kms (3 miles) from downtown). ### How many airlines fly to Portsmouth? > There are 45 airlines that fly into Portsmouth from 124 airports across the globe. ### Which airlines fly to Portsmouth? > Delta, JetBlue and American Airlines are the most frequent fliers to Portsmouth. The highest number of flights come from New York, with Delta offering the most services on this route. ### How many nonstop flights are there to Portsmouth? > With 3,217 nonstop flights running each week, you'll be touching down in Portsmouth before you can say, "Are we there yet?" ### Where are the most popular flights to Portsmouth departing from? > A large number of flights to Portsmouth take off from New York, Washington and Chicago airports. ### How long is the flight to Portsmouth Airport? > If it's New York you're departing, you'll be midair for around 1 hour and 19 minutes before you touchdown in Portsmouth. Runway to runway from Washington typically takes 1 hour and 37 minutes and from Chicago, the flight time is 2 hours and 14 minutes. ### How to book the cheapest flight to Portsmouth? > If you'd like to have some extra spending money on your trip to Portsmouth, listen up! As every seasoned jet-setter will tell you, don't leave booking until the last minute. Airfares are generally more expensive just prior to the departure date. Also, shop around and compare your options. If your destination has multiple airports, you may be able to score a great deal by flying into one that's further away. Finally, another easy way to save some cash is be ready to book at a moment's notice. If you spot a fantastic bargain, don't hold off — snap it up while the opportunity's there. ### Do you have any tips for my flight to Portsmouth? > We've pulled together all the info you need to make your flight a stress-free experience. Follow our tips and you'll be hightailing it through airport security and having a blast in Portsmouth in no time. What to pack in your hand luggage: > > > > - First and foremost, pack your passport, travel documents, cash and daily medications. Next, you'll want some entertainment to help pass the time. A thrilling novel and a tablet filled with your favourite shows are some fantastic options. If you plan to take a quick snooze, a comfy neck pillow and a pair of earplugs will also come in handy. Finally, leave space for a few toiletry items so you'll arrive looking fresh and raring to go. > > > > Do not pack the following items in your hand luggage: > > > > - While the list of prohibited items can differ between airlines, the general rule to follow is nothing flammable, sharp or explosive. This includes tools, metal cutlery, aerosol cans and bleaching agents. Sports equipment like ice skates, and objects that could injure passengers, such as swords and batons, won't be allowed on board either. > > > > What to wear on a flight: > > > > - You'll want to go for comfort over style. Prepare for temperature changes in the cabin by donning layers, and opt for closed-toe, flat footwear like slip-ons. > - Deep vein thrombosis (DVT) is a risk on long-haul flights. It results from blood clotting due to inactivity and poor circulation, so do some gentle foot and leg exercises in your seat and consider wearing compression socks. ### How to get through airport security fast when flying to Portsmouth? > Being organised before your flight will help make your getaway to Portsmouth quick and painless. Read through our top tips for a stress-free journey through security: > > > > - First things first. Your passport and boarding pass will need to be shown to security personnel. Keep them handy so you don't have to dig around for them. > - Time to strip down. Well sort of. Your belt, coat, keys and other small items, like your earphones, will be required to go through the X-ray machine. Make the whole process faster by removing them as it gets closer to your turn. > - For just a few minutes, you'll have to unplug from technology. Your tablet, phone and any other electronic gadgets will also need to go through the scanner. > - Remove gels and liquids from your hand luggage. They usually need to be sent through the X-ray machine separately. Each item should be in a container no larger than 3.4 ounces (100 millilitres) and everything must fit in a single quart-size (one litre), clear zip-close bag. > - Lightweight sneakers are a good footwear choice as you're less likely to be asked to remove them when going through security. Big boots and other heavy-style shoes are often subjected to extra screening. > - Take all prohibited items out of your carry-on bag. If you have any sharp or pointed objects, pack them safely away in your checked suitcase. They won't be allowed on board. Flights to Portsmouth information | Destination airport | Logan Intl. | | --- | --- | | Destination airport IATA code | BOS | | Destination city name | Boston | | Return price | £53 | ## More to explore for Portsmouth Heading to Portsmouth? Explore Portsmouth with Expedia's Travel Guides to find the best hotels, holiday packages, car hire deals and more! [Portsmouth Hotels](https://expedia.co.uk/Portsmouth-Hotels.d6057414.Travel-Guide-Hotels)[Portsmouth Holiday Rentals](https://expedia.co.uk/Portsmouth-Holiday-Rentals.d6057414.Travel-Guide-HolidayRentals)[Portsmouth Car Hire](https://expedia.co.uk/Compare-Cheap-Car-Hire-In-Portsmouth.d6057414.Car-Hire-Guide)[Portsmouth Holidays](https://expedia.co.uk/Portsmouth.d6057414.Holidays-City-Breaks)[Things to do in Portsmouth](https://expedia.co.uk/Things-To-Do-In-Portsmouth.d6057414.Travel-Guide-Activities) ## Trending flights to Portsmouth Prices were available within the past 7 days and start at £278 for one-way flights and £342 for round trip, for the period specified. Be sure to select the 'Direct flights only' box above if you are looking for a non stop route. Prices and availability are subject to change. Additional terms apply. All deals One way Return ![TAP Portugal](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/TP.gif) Tue, 31 Mar - Mon, 13 Apr LGW London BOS Boston £342 Return found 2 days ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:LGW,to:BOS,departure:31/03/2026TANYT&leg2=from:BOS,to:LGW,departure:13/04/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:341.58&airProductToken=AQptCjUI1KABEgQxMzM1GMuxASCLkgEov4qJAzDpi4kDOE9AAFgBagdESVNDSU5UcghPRjBEU0lINwo0CNSgARIDMjE1GIuSASDBkwEo7Y2JAzClkYkDOE9AAFgBagdESVNDSU5UcghPRjBEU0lINwprCjMI1KABEgMyMjgYwZMBIO5zKIOligMwk6iKAzhPQABYAWoHRElTQ0lOVHIIT0YwRFNJSDcKNAjUoAESBDEzMzAY7nMgy7EBKMGrigMwzayKAzhPQABYAWoHRElTQ0lOVHIIT0YwRFNJSDcSCggBEAEYASoCVFAYASIECAEQASgCKAMoBDAN) ## Explore a world of travel with Expedia - Accommodation - Flights - Packages - Cars ### Accommodation - [Hotels near Discover Portsmouth](https://www.expedia.co.uk/Discover-Portsmouth-Hotels.0-l6333273-0.Travel-Guide-Filter-Hotels) - 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[Flights from Aberdeen (ABZ) to Portsmouth (PSM)](https://www.expedia.co.uk/lp/flights/abz/psm/aberdeen-to-portsmouth) - [Flights from Málaga (AGP) to Portsmouth (PSM)](https://www.expedia.co.uk/lp/flights/agp/psm/malaga-to-portsmouth) - [Flights from Stockholm (ARN) to Portsmouth (PSM)](https://www.expedia.co.uk/lp/flights/arn/psm/stockholm-to-portsmouth) - [Flights from Brest (BES) to Portsmouth (PSM)](https://www.expedia.co.uk/lp/flights/bes/psm/brest-to-portsmouth) - [Flights from Bradford (BFD) to Portsmouth (PSM)](https://www.expedia.co.uk/lp/flights/bfd/psm/bradford-to-portsmouth) - [Flights from Bangor (BGR) to Portsmouth (PSM)](https://www.expedia.co.uk/lp/flights/bgr/psm/bangor-to-portsmouth) - [Flights from Birmingham (BHM) to Portsmouth (PSM)](https://www.expedia.co.uk/lp/flights/bhm/psm/birmingham-to-portsmouth) - [Flights from Birmingham (BHX) to Portsmouth (PSM)](https://www.expedia.co.uk/lp/flights/bhx/psm/birmingham-to-portsmouth) - [Flights from Blackpool (BLK) to Portsmouth (PSM)](https://www.expedia.co.uk/lp/flights/blk/psm/blackpool-to-portsmouth) - 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