Title: Cheap Flights to Portsmouth , NH from CA $169 - Expedia.ca ![](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) # Cheap Flights to Portsmouth , NH from CA $169 [View CA $169 flight on Wed, Oct 22, 2025](https://expedia.ca/Flights-Search?trip=oneway&leg1=from:YYC,to:BOS,departure:22/10/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:168.86&airProductToken=AQplCjAIwYYBEgMzMTYYmBYgmF0oroH7AjCeg_sCOEdAAFgBagVCQVNJQ3IIR05BWUEyQkEKMQjBhgESAzc0OBiYXSDBkwEo1YP7AjCqhPsCOEdAAVgBagVCQVNJQ3IIR05BWUEyQkESCggBEAEYASoCQUMYASIECAEQASgCKAMoBDAN) - [Roundtrip](?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.ca/Portsmouth.dx6057414)[Hotels in Portsmouth](https://expedia.ca/Portsmouth-Hotels.d6057414.Travel-Guide-Hotels)[Things to do in Portsmouth](https://expedia.ca/Things-To-Do-In-Portsmouth.d6057414.Travel-Guide-Activities)[Portsmouth Car Rentals](https://expedia.ca/Car-Rentals-In-Portsmouth.d6057414.Car-Rental-Guide)[Portsmouth Vacation Packages](https://expedia.ca/Portsmouth.d6057414.Destination-Travel-Guides) ## Popular airlines to Portsmouth - ![JetBlue Airways](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_B6.svg) JetBlue Airways [](https://www.expedia.ca/Flights-Search?leg1=from:CMH,to:Portsmouth, New Hampshire, United States of America,departure:28/10/2025TANYT&leg2=from:Portsmouth, New Hampshire, United States of America,to:CMH,departure:04/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"B6"}}]) - ![American Airlines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AA.svg) American Airlines [](https://www.expedia.ca/Flights-Search?leg1=from:CMH,to:Portsmouth, New Hampshire, United States of America,departure:28/10/2025TANYT&leg2=from:Portsmouth, New Hampshire, United States of America,to:CMH,departure:04/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AA"}}]) - ![Delta](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_DL.svg) Delta [](https://www.expedia.ca/Flights-Search?leg1=from:CMH,to:Portsmouth, New Hampshire, United States of America,departure:28/10/2025TANYT&leg2=from:Portsmouth, New Hampshire, United States of America,to:CMH,departure:04/11/2025TANYT&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.ca/Flights-Search?leg1=from:CMH,to:Portsmouth, New Hampshire, United States of America,departure:28/10/2025TANYT&leg2=from:Portsmouth, New Hampshire, United States of America,to:CMH,departure:04/11/2025TANYT&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.ca/Flights-Search?leg1=from:CMH,to:Portsmouth, New Hampshire, United States of America,departure:28/10/2025TANYT&leg2=from:Portsmouth, New Hampshire, United States of America,to:CMH,departure:04/11/2025TANYT&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.ca/Flights-Search?leg1=from:CMH,to:Portsmouth, New Hampshire, United States of America,departure:28/10/2025TANYT&leg2=from:Portsmouth, New Hampshire, United States of America,to:CMH,departure:04/11/2025TANYT&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.ca/Flights-Search?leg1=from:CMH,to:Portsmouth, New Hampshire, United States of America,departure:28/10/2025TANYT&leg2=from:Portsmouth, New Hampshire, United States of America,to:CMH,departure:04/11/2025TANYT&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 30% 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.ca/login) ## How much is the cheapest flight to Portsmouth? Prices were available within the past 7 days and start at CA $169 for one-way flights and CA $273 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. All deals One way Roundtrip ![Air Canada](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AC.gif) Sat, Oct 18 - Sat, Oct 25 YYC Calgary BOS Boston CA $273 Roundtrip found 1 hour ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:YYC,to:BOS,departure:18/10/2025TANYT&leg2=from:BOS,to:YYC,departure:25/10/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:272.74&airProductToken=AQpDCh8IwYYBEgMzMTYYmBYgmF0ortT6AjCe1voCOEdAAFgBCiAIwYYBEgM3NDgYmF0gwZMBKNXW-gIwqtf6AjhHQAFYAQpECiEIwYYBEgQ4NjA5GMGTASCYXSjjqPsCML2p-wI4R0AAWAEKHwjBhgESAzMyNxiYXSCYFiioq_sCMLyt-wI4R0ABWAESCggBEAEYASoCQUMYASIECAEQASgIKAQwAQ) ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Wed, Oct 22 - Sat, Oct 25 YYC Calgary BOS Boston CA $281 Roundtrip found 1 hour ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:YYC,to:BOS,departure:22/10/2025TANYT&leg2=from:BOS,to:YYC,departure:25/10/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:280.52&airProductToken=AQptCjQI1YIBEgQxNjU1GJgWIK4cKN6G-wIwsoj7AjhOQABYAWoIRUNPQkFTSUNyCEdOQVlBMkJOCjUI1YIBEgQxNzc5GK4cIMGTASisivsCMMKL-wI4TkABWAFqCEVDT0JBU0lDcghHTkFZQTJCTgpmCjIIwYYBEgQ4NjA5GMGTASCYXSjjqPsCML2p-wI4R0AAWAFqBUJBU0lDcghHTkFZQTJCQQowCMGGARIDMzI3GJhdIJgWKKir-wIwvK37AjhHQAFYAWoFQkFTSUNyCEdOQVlBMkJBEgoIARABGAEqAlVBGAEiBAgBEAEoAigDKAQwAQ) ![WestJet](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/WS.gif) Mon, Oct 20 - Tue, Oct 21 YYC Calgary BOS Boston CA $303 Roundtrip found 1 day ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:YYC,to:BOS,departure:20/10/2025TANYT&leg2=from:BOS,to:YYC,departure:21/10/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:302.34&airProductToken=AQo0CjII16YBEgQxNjIyGJgWIMGTASiy7_oCMNTx-gI4QUAAWAFqBUJBU0lDcghBVDVEMFpCVxIKCAEQARgBKgJXUxgBIgQIARABKAIoAygEMAE) ![Delta](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/DL.gif) Tue, Jan 13 - Thu, Jan 15 YYZ Toronto BOS Boston CA $362 Roundtrip found 3 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:YYZ,to:BOS,departure:13/01/2026TANYT&leg2=from:BOS,to:YYZ,departure:15/01/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:361.04&airProductToken=AQpGCiEIxJgBEgQ1NDQ3GJjOASDLASj4qoIDMOerggM4RUAAWAEKIQjEmAESBDU4MjcYywEgwZMBKJisggMw6KyCAzhFQAFYAQpGCiEIxJgBEgQyODU1GMGTASDLASicwoIDMPHCggM4RUAAWAEKIQjEmAESBDUyMzMYywEgmM4BKKjDggMwlMSCAzhFQAFYARIKCAEQARgBKgJETBgBIgQIARABKAQwAQ) ![American Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AA.gif) Mon, Nov 10 - Tue, Nov 11 YYZ Toronto BOS Boston CA $362 Roundtrip found 11 hours ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:YYZ,to:BOS,departure:10/11/2025TANYT&leg2=from:BOS,to:YYZ,departure:11/11/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:361.18&airProductToken=AQpoCjIIwYIBEgQ0NTQyGJjOASDLASiw2fwCMJLa_AI4QkAAWAFqBUJBU0lDcghPVkFDWlNCWgoyCMGCARIENDQ1NBjLASDBkwEo6tr8AjC62_wCOEJAAVgBagVCQVNJQ3IIT1ZBQ1pTQloKZgoxCMGCARIEMTc0MxjBkwEgQyjQ5PwCMM3l_AI4QkAAWAFqBUJBU0lDcghPVkFDWlNCWgoxCMGCARIENTY2NRhDIJjOASiI5vwCMPbm_AI4QkABWAFqBUJBU0lDcghPVkFDWlNCWhIKCAEQARgBKgJBQRgBIgQIARABKAIoAygEMAs) ## Find the cheapest month to fly from Columbus (CMH) to Boston (BOS) ### September is typically the cheapest month to fly From CA $139 - CA $258 per traveller. Expedia.ca gives you the best tools to secure great deals on flights to Portsmouth. Use our easy and convenient booking engine to browse nonstop flights and convenient departure points every day of the year. Search airfares from the top airlines to book your perfect flight to Portsmouth. Whatever your travel needs, you can always rely on Expedia.ca to help you find cheap flights to Portsmouth. Using our booking engine is simple - just type in your points of travel and preferred dates and Expedia.ca does the rest! If your travel times are flexible, you can find even better bargains by adjusting your flight dates. Browse connecting flights to increase your chances of finding even lower fares. Thanks to Expedia's Best Price Guarantee, you can book your Portsmouth flights with full confidence knowing that you've found the best deal online. Expedia.ca makes the booking process easy and stress-free by offering support along the entire way. Our friendly staff is available 24 hours a day to provide assistance and help you book your ticket. Call us toll-free at 1-888-397-3342 to answer any questions that you may have about your trip to Portsmouth. Looking to save even more? Get additional savings by bundling your Portsmouth flight with a hotel and/or car rental to create a bargain travel package. Early birds can discover terrific savings by booking in advance while last minute travelers can enjoy great last minute deals. With Expedia.ca, there's no shortage of options to save even more on your Portsmouth trip! Flights to Portsmouth information | Destination airport | Logan Intl. | | --- | --- | | Destination airport IATA code | BOS | | Destination city name | Boston | | Roundtrip price | CA $135 | ## Need more than a Flight to Portsmouth? Heading to Portsmouth? Explore Portsmouth with Expedia's Travel Guides to find the best hotels, vacation packages, car rental deals and more! [Portsmouth Hotels](https://expedia.ca/Portsmouth-Hotels.d6057414.Travel-Guide-Hotels)[Portsmouth Car Rentals](https://expedia.ca/Car-Rentals-In-Portsmouth.d6057414.Car-Rental-Guide)[Portsmouth Vacations](https://expedia.ca/Portsmouth.d6057414.Destination-Travel-Guides)[Things to do in Portsmouth](https://expedia.ca/Things-To-Do-In-Portsmouth.d6057414.Travel-Guide-Activities) ## Trending flights to Portsmouth Prices were available within the past 7 days and start at CA $169 for one-way flights and CA $273 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. All deals One way Roundtrip ![Air Canada](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AC.gif) Fri, Nov 28 - Sat, Feb 7 YYZ Toronto BOS Boston CA $328 Roundtrip found 8 hours ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:YYZ,to:BOS,departure:28/11/2025TANYT&leg2=from:BOS,to:YYZ,departure:07/02/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:327.15&airProductToken=AQpnCjEIwYYBEgM0MTIYmM4BIJhdKNim_gIwq6f-AjhHQABYAWoFQkFTSUNyCEdOQTJBOUJBCjIIwYYBEgQ4NjEwGJhdIMGTASj1qP4CMMyp_gI4R0ABWAFqBUJBU0lDcghHTkEyQTlCQQpnCjIIwYYBEgQ4NjAzGMGTASCYXSj2wYQDMMvChAM4R0AAWAFqBUJBU0lDcghHTkEyQTlCQQoxCMGGARIDNDA1GJhdIJjOASjSw4QDMLXEhAM4R0ABWAFqBUJBU0lDcghHTkEyQTlCQRIKCAIQARgCKgJBQxgBIgQIARABKAIoAygEMA0) ## Explore a world of travel with Expedia - Lodging - Flights - Packages - Cars ### Lodging - [4 Star Hotels in South End](https://www.expedia.ca/4Star-South-End-Portsmouth-Hotels.s40-n905208930211381248-0.Travel-Guide-Filter-Hotels) - [Family Hotels in Downtown](https://www.expedia.ca/Downtown-Portsmouth-Hotels-Family-Hotel.0-n905207656638242816-0-tFamilyHotel.Travel-Guide-Filter-Hotels) - [Pet-Friendly Hotels in Downtown](https://www.expedia.ca/Downtown-Portsmouth-Hotels-Pet-Friendly-Hotel.0-n905207656638242816-0-tPetfriendlyHotel.Travel-Guide-Filter-Hotels) - [Spa Hotels in Downtown](https://www.expedia.ca/Downtown-Portsmouth-Hotels-Spa-Hotel.0-n905207656638242816-0-tSpaHotel.Travel-Guide-Filter-Hotels) - [Hotels near Fox Run Mall](https://www.expedia.ca/Fox-Run-Mall-Hotels.0-l6127392-0.Travel-Guide-Filter-Hotels) - [Cottages in Greenland](https://www.expedia.ca/Greenland-Cottages.d3000447001-aaCottages.Travel-Guide-Accommodation) - [Greenland Hotels](https://www.expedia.ca/Greenland-Hotels.d3000447001.Travel-Guide-Hotels) - [Hotels near Market Square](https://www.expedia.ca/Market-Square-Hotels.0-l6333271-0.Travel-Guide-Filter-Hotels) - [Farmstay in New Castle](https://www.expedia.ca/New-Castle-Agritourism.d137529-aaAgritourism.Travel-Guide-Accommodation) - [Guest Houses in New Castle](https://www.expedia.ca/New-Castle-Guest-Houses.d137529-aaGuestHouses.Travel-Guide-Accommodation) - [Historic Hotels in New Castle](https://www.expedia.ca/New-Castle-Hotels-Historic-Hotel.0-0-d137529-tHistoricHotel.Travel-Guide-Filter-Hotels) - [Honeymoon Resorts and in New Castle](https://www.expedia.ca/New-Castle-Hotels-Honeymoon-Hotels.0-0-d137529-tHoneymoonHotels.Travel-Guide-Filter-Hotels) - [Hotels with Balconies in New Castle](https://www.expedia.ca/New-Castle-Hotels-Hotels-With-Balconies.0-0-d137529-tHotelswithBalconies.Travel-Guide-Filter-Hotels) - [Pet-Friendly Hotels in New Castle](https://www.expedia.ca/New-Castle-Hotels-Pet-Friendly-Hotel.0-0-d137529-tPetfriendlyHotel.Travel-Guide-Filter-Hotels) - [Waterpark Hotels in New Castle](https://www.expedia.ca/New-Castle-Hotels-Waterpark-Hotels.0-0-d137529-tWaterparkHotels.Travel-Guide-Filter-Hotels) - [New Castle Hotels](https://www.expedia.ca/New-Castle-Hotels.d137529.Travel-Guide-Hotels) - [Resorts in New Castle](https://www.expedia.ca/New-Castle-Resort-Hotels.d137529-aaResortHotels.Travel-Guide-Accommodation) - [B&B in Newington](https://www.expedia.ca/Newington-Bed-And-Breakfast.d3000447070-aaBedAndBreakfast.Travel-Guide-Accommodation) - [Newington Hotels](https://www.expedia.ca/Newington-Hotels.d3000447070.Travel-Guide-Hotels) - [Pet-Friendly Hotels in North End](https://www.expedia.ca/North-End-Portsmouth-Hotels-Pet-Friendly-Hotel.0-n905208398518345728-0-tPetfriendlyHotel.Travel-Guide-Filter-Hotels) - [Hotels near Odiorne Point State Park](https://www.expedia.ca/Odiorne-Point-State-Park-Hotels.0-l6110848-0.Travel-Guide-Filter-Hotels) - [Oceanfront Hotels in Pease](https://www.expedia.ca/Pease-Portsmouth-Hotels-Oceanfront-Hotels.0-n553248635976474640-0-tOceanfrontHotels.Travel-Guide-Filter-Hotels) - [Spa Hotels in Pease](https://www.expedia.ca/Pease-Portsmouth-Hotels-Spa-Hotel.0-n553248635976474640-0-tSpaHotel.Travel-Guide-Filter-Hotels) - [Pease Hotels](https://www.expedia.ca/Pease-Portsmouth-Hotels.0-n553248635976474640-0.Travel-Guide-Filter-Hotels) - [Hotels near Portsmouth Brewery](https://www.expedia.ca/Portsmouth-Brewery-Hotels.0-l6079671-0.Travel-Guide-Filter-Hotels) - [Hotels near Portsmouth Intl.](https://www.expedia.ca/Portsmouth-Intl-Airport-Hotels.0-aPSM-0.Travel-Guide-Filter-Hotels) - [Hotels near Prescott Park](https://www.expedia.ca/Prescott-Park-Hotels.0-l6272804-0.Travel-Guide-Filter-Hotels) - [Hotels near Seacoast Repertory Theatre](https://www.expedia.ca/Seacoast-Repertory-Theatre-Hotels.0-l6333275-0.Travel-Guide-Filter-Hotels) - [Hotels near Strawbery Banke Museum](https://www.expedia.ca/Strawbery-Banke-Museum-Hotels.0-l6079663-0.Travel-Guide-Filter-Hotels) - [Hotels near The Music Hall](https://www.expedia.ca/The-Music-Hall-Hotels.0-l6079655-0.Travel-Guide-Filter-Hotels) - [Hotels near Wallis Sands State Beach](https://www.expedia.ca/Wallis-Sands-State-Beach-Hotels.0-l6333323-0.Travel-Guide-Filter-Hotels) - [Hotels near Water Country](https://www.expedia.ca/Water-Country-Hotels.0-l6110850-0.Travel-Guide-Filter-Hotels) - [Hotels near Wentworth by the Sea Golf Club](https://www.expedia.ca/Wentworth-By-The-Sea-Golf-Club-Hotels.0-l6110852-0.Travel-Guide-Filter-Hotels) - [Pet-Friendly Hotels in West End](https://www.expedia.ca/West-End-Portsmouth-Hotels-Pet-Friendly-Hotel.0-n905216770638544896-0-tPetfriendlyHotel.Travel-Guide-Filter-Hotels) - [Spa Hotels in West End](https://www.expedia.ca/West-End-Portsmouth-Hotels-Spa-Hotel.0-n905216770638544896-0-tSpaHotel.Travel-Guide-Filter-Hotels) ### Flights - [Flights to Amherst](https://www.expedia.ca/Cheap-Flights-To-Amherst.d3000421391.Travel-Guide-Flights) - [Flights to Bedford](https://www.expedia.ca/Cheap-Flights-To-Bedford.d55576.Travel-Guide-Flights) - [Flights to Concord](https://www.expedia.ca/Cheap-Flights-To-Concord.d6656.Travel-Guide-Flights) - [Flights to Durham](https://www.expedia.ca/Cheap-Flights-To-Durham.d7940.Travel-Guide-Flights) - [Flights to Franklin](https://www.expedia.ca/Cheap-Flights-To-Franklin.d106072.Travel-Guide-Flights) - [Flights to Gilford](https://www.expedia.ca/Cheap-Flights-To-Gilford.d55723.Travel-Guide-Flights) - [Flights to Goffstown](https://www.expedia.ca/Cheap-Flights-To-Goffstown.d553248625658226011.Travel-Guide-Flights) - 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