Title: Cheap Flights from Boston (BOS) to Marathon (MTH) - Expedia.ca ![Marathon which includes swimming, tropical scenes and a sandy beach](https://images.trvl-media.com/place/2437/cc4c0572-7b75-47ab-8142-b235acf8743c.jpg?impolicy=fcrop&w=1200&h=500&q=medium) ![](https://images.trvl-media.com/place/2437/cc4c0572-7b75-47ab-8142-b235acf8743c.jpg?impolicy=fcrop&w=1200&h=500&q=medium) # Cheap Flights from Boston (BOS) to Marathon (MTH) - [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 ## Popular airlines from Logan International Airport (BOS) to Marathon, FL (MTH-Florida Keys Marathon) - ![Air Canada](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AC.svg) Air Canada [](https://www.expedia.ca/Flights-Search?leg1=from:bos,to:mth,departure:04/10/2025TANYT&leg2=from:mth,to:bos,departure:11/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AC"}}]) - ![WestJet](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_WS.svg) WestJet [](https://www.expedia.ca/Flights-Search?leg1=from:bos,to:mth,departure:04/10/2025TANYT&leg2=from:mth,to:bos,departure:11/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"WS"}}]) - ![Flair Airlines](https://a.travel-assets.com/air/airlines/f8_sq.svg) Flair Airlines [](https://www.expedia.ca/Flights-Search?leg1=from:bos,to:mth,departure:04/10/2025TANYT&leg2=from:mth,to:bos,departure:11/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"F8"}}]) - ![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:bos,to:mth,departure:04/10/2025TANYT&leg2=from:mth,to:bos,departure:11/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AA"}}]) - ![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:bos,to:mth,departure:04/10/2025TANYT&leg2=from:mth,to:bos,departure:11/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"UA"}}]) - ![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:bos,to:mth,departure:04/10/2025TANYT&leg2=from:mth,to:bos,departure:11/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"DL"}}]) - ![Porter Airlines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_PD.svg) Porter Airlines [](https://www.expedia.ca/Flights-Search?leg1=from:bos,to:mth,departure:04/10/2025TANYT&leg2=from:mth,to:bos,departure:11/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"PD"}}]) - ## Plan, book, fly with confidence - ### Be in the know Get alerts if flight prices drop or rise\* - ### Book smarter Save up to 30% on select hotels after you book a flight\* - ### Earn twice Earn your airline miles on top of our rewards [Sign in](https://www.expedia.ca/login) ## Frequently asked questions ### How much is a flight from Logan Intl. Airport (BOS) to MTH? > The lowest price advertised for a round-trip flight from Logan Intl. Airport (BOS) to MTH is . But you better act soon. This figure is taken from fares listed within the last 7 days on Expedia for flights departing within the next year. Prices and availability are subject to change. Additional terms apply. ### Do I need to pay a cancellation fee if I cancel my flight from Logan Intl. Airport (BOS) to MTH? > The majority of flights can be cancelled online, but each airline has its own set of terms and conditions. If you do need to cancel your flight, visit our [Customer Service Portal](https://www.expedia.ca/helpcenter) and follow the instructions. ### How do I find cheap flights from BOS to MTH that have flexible change policies? > Flights from Logan Intl. Airport (BOS) to MTH offering flexible change policies are available from several airlines. Simply use our "No change fees" filter when searching. You'll only need to pay the cost difference between the two flights, with no added fees to worry about. ### How far is the flight from Logan Intl. Airport (BOS) to MTH? > Expect to be up above the clouds for a while, as the flight distance from BOS to MTH is 2,200 kilometres. Create a playlist of your favourite podcasts before you leave home to stay entertained during your trip. ### Which airlines fly direct from BOS to MTH? > You won't find any airlines operating directly between Logan Intl. Airport and MTH, so be ready to make at least one stop on your journey. A layover can be a nice way to break up a trip! ### Are BOS to MTH flight tickets cheaper when they're purchased at the last minute? > Flight prices fluctuate, so there are no guarantees. While last-minute deals between Logan Intl. Airport and MTH are of course possible, it also makes sense to keep track of prices well before you fly. In fact, some carriers release their prices up to a year ahead of the departure date. Expedia is continuously updating the best bargains around, so keep checking and be ready to secure your seat when the price is low. ## Travel information | Origin airport | Logan Intl. | | --- | --- | | Destination airport | Florida Keys Marathon | | Distance | 2154 km | ## Book with confidence ### Boston to Marathon Flights **The easy way to book your flights from Boston to Marathon**  With Expedia, it’s simple to find and book flights to Marathon from Boston whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from airlines that cover this route. There are nonstop flights to Florida Keys Marathon, too.   Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from Boston to Marathon today, tomorrow, or this week.   **Save dollars with cheap flights from Logan Intl., BOS to Florida Keys Marathon, MTH**  Sort your search results by price to find great deals on your flight from Boston to Marathon—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Marathon from Boston currently is just rising to .   Here are more money-saving tips:  - Fly in when flight prices are normally at their lowest  - Book about a month to 6 weeks before you travel for the best prices to Marathon   - Avoid peak season and weekends when flights can cost more - Early morning and late-night flights are sometimes cheaper, so try varying your travel times  - One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free!  **Reasons to choose Expedia for your flight to Marathon from Boston**  Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. So book your flight to Marathon with Expedia today. ## Explore a world of travel with Expedia - Flights - [Flights from Cairo to Marathon](https://www.expedia.ca/lp/flights/178243/2437/cairo-to-marathon) - [Flights from Calgary to Marathon](https://www.expedia.ca/lp/flights/178245/2437/calgary-to-marathon) - [Flights from Columbus to Big Torch Key](https://www.expedia.ca/lp/flights/178251/553248635974614531/columbus-to-big-torch-key) - [Flights from Dallas to Marathon](https://www.expedia.ca/lp/flights/178253/2437/dallas-to-marathon) - [Flights from Detroit to Marathon](https://www.expedia.ca/lp/flights/178255/2437/detroit-to-marathon) - [Flights from New York to Ramrod Key](https://www.expedia.ca/lp/flights/178293/6156102/new-york-to-ramrod-key) - [Flights from Orlando to Cudjoe Key](https://www.expedia.ca/lp/flights/178294/3000430966/orlando-to-cudjoe-key) - [Flights from Ottawa to Marathon](https://www.expedia.ca/lp/flights/178296/2437/ottawa-to-marathon) - [Flights from Toronto to Islamorada](https://www.expedia.ca/lp/flights/178314/10768/toronto-to-islamorada) - [Flights from Toronto to Marathon](https://www.expedia.ca/lp/flights/178314/2437/toronto-to-marathon) - [Flights from Vancouver to Marathon](https://www.expedia.ca/lp/flights/178315/2437/vancouver-to-marathon) - [Flights from Paris to Cudjoe Key](https://www.expedia.ca/lp/flights/179898/3000430966/paris-to-cudjoe-key) - [Flights from Edmonton to Marathon](https://www.expedia.ca/lp/flights/180002/2437/edmonton-to-marathon) - [Flights from Kingston to Duck Key](https://www.expedia.ca/lp/flights/180034/184267/kingston-to-duck-key) - [Flights from Albany to Marathon](https://www.expedia.ca/lp/flights/277/2437/albany-to-marathon) - [Flights from Plattsburgh to Marathon](https://www.expedia.ca/lp/flights/2816/2437/plattsburgh-to-marathon) - [Flights from Tyler to Marathon](https://www.expedia.ca/lp/flights/3594/2437/tyler-to-marathon) - [Flights from Bedford to Marathon](https://www.expedia.ca/lp/flights/530/2437/bedford-to-marathon) - [Flights from Tada-U to Marathon](https://www.expedia.ca/lp/flights/553248635957385750/2437/tada-u-to-marathon) - [Flights from Milwaukee to Duck Key](https://www.expedia.ca/lp/flights/602647/184267/milwaukee-to-duck-key) - [Flights from Tampa to Islamorada](https://www.expedia.ca/lp/flights/602996/10768/tampa-to-islamorada) - [Flights from Naples to Marathon](https://www.expedia.ca/lp/flights/6034774/2437/naples-to-marathon) - [Flights from Ithaca to Marathon](https://www.expedia.ca/lp/flights/6056124/2437/ithaca-to-marathon) - [Flights from Owensboro to Marathon](https://www.expedia.ca/lp/flights/6059602/2437/owensboro-to-marathon) - [Flights from Winnipeg to Marathon](https://www.expedia.ca/lp/flights/6141041/2437/winnipeg-to-marathon) - [Flights from Beirut to Marathon](https://www.expedia.ca/lp/flights/6144605/2437/beirut-to-marathon) - [Flights from South Burlington to Marathon](https://www.expedia.ca/lp/flights/6739/2437/south-burlington-to-marathon) - [Flights from Corpus Christi to Marathon](https://www.expedia.ca/lp/flights/915/2437/corpus-christi-to-marathon) - [Flights from Cartagena to Marathon](https://www.expedia.ca/lp/flights/926/2437/cartagena-to-marathon) - [Flights from Palenque to Marathon](https://www.expedia.ca/lp/flights/9463/2437/palenque-to-marathon) - [Flights from Austin (AUS) to Key West (EYW)](https://www.expedia.ca/lp/flights/aus/eyw/austin-to-key-west) - [Flights from Boca Raton (BCT) to Key West (EYW)](https://www.expedia.ca/lp/flights/bct/eyw/boca-raton-to-key-west) - [Flights from Bangor (BGR) to Key West (EYW)](https://www.expedia.ca/lp/flights/bgr/eyw/bangor-to-key-west) - [Flights from Bemidji (BJI) to Key West (EYW)](https://www.expedia.ca/lp/flights/bji/eyw/bemidji-to-key-west) - [Flights from Branson (BKG) to Key West (EYW)](https://www.expedia.ca/lp/flights/bkg/eyw/branson-to-key-west) - [Flights from Bellingham (BLI) to Key West (EYW)](https://www.expedia.ca/lp/flights/bli/eyw/bellingham-to-key-west) - [Flights from Nashville (BNA) to Key West (EYW)](https://www.expedia.ca/lp/flights/bna/eyw/nashville-to-key-west) - [Flights from Boston (BOS) to Key West (EYW)](https://www.expedia.ca/lp/flights/bos/eyw/boston-to-key-west) - [Flights from Bartow (BOW) to Key West (EYW)](https://www.expedia.ca/lp/flights/bow/eyw/bartow-to-key-west) - [Flights from Burlington (BTV) to Key West (EYW)](https://www.expedia.ca/lp/flights/btv/eyw/burlington-to-key-west) - [Flights from Belize City (BZE) to Key West (EYW)](https://www.expedia.ca/lp/flights/bze/eyw/belize-city-to-key-west) - [Flights from Charleston (CHS) to Key West (EYW)](https://www.expedia.ca/lp/flights/chs/eyw/charleston-to-key-west) - [Flights from Sault Ste. Marie (CIU) to Key West (EYW)](https://www.expedia.ca/lp/flights/ciu/eyw/sault-ste-marie-to-key-west) - [Flights from Charlotte (CLT) to Key West (EYW)](https://www.expedia.ca/lp/flights/clt/eyw/charlotte-to-key-west) - [Flights from Clearwater (CLW) to Key West (EYW)](https://www.expedia.ca/lp/flights/clw/eyw/clearwater-to-key-west) - [Flights from Cancun (CUN) to Key West (EYW)](https://www.expedia.ca/lp/flights/cun/eyw/cancun-to-key-west) - [Flights from Washington (DCA) to Key West (EYW)](https://www.expedia.ca/lp/flights/dca/eyw/washington-to-key-west) - [Flights from Denver (DEN) to Key West (EYW)](https://www.expedia.ca/lp/flights/den/eyw/denver-to-key-west) - [Flights from Dallas (DFW) to Key West (EYW)](https://www.expedia.ca/lp/flights/dfw/eyw/dallas-to-key-west) - [Flights from Dunedin (DUD) to Key West (EYW)](https://www.expedia.ca/lp/flights/dud/eyw/dunedin-to-key-west) - [Flights from Kalispell (FCA) to Key West (EYW)](https://www.expedia.ca/lp/flights/fca/eyw/kalispell-to-key-west) - [Flights from Flint (FNT) to Key West (EYW)](https://www.expedia.ca/lp/flights/fnt/eyw/flint-to-key-west) - [Flights from Spokane (GEG) to Key West (EYW)](https://www.expedia.ca/lp/flights/geg/eyw/spokane-to-key-west) - [Flights from Grand Forks (GFK) to Key West (EYW)](https://www.expedia.ca/lp/flights/gfk/eyw/grand-forks-to-key-west) - [Flights from Niagara Falls (IAG) to Key West (EYW)](https://www.expedia.ca/lp/flights/iag/eyw/niagara-falls-to-key-west) - [Flights from Houston (IAH) to Key West (EYW)](https://www.expedia.ca/lp/flights/iah/eyw/houston-to-key-west) - [Flights from International Falls (INL) to Key West (EYW)](https://www.expedia.ca/lp/flights/inl/eyw/international-falls-to-key-west) - [Flights from Kissimmee (ISM) to Key West (EYW)](https://www.expedia.ca/lp/flights/ism/eyw/kissimmee-to-key-west) - [Flights from Las Vegas (LAS) to Key West (EYW)](https://www.expedia.ca/lp/flights/las/eyw/las-vegas-to-key-west) - [Flights from Los Angeles (LAX) to Key West (EYW)](https://www.expedia.ca/lp/flights/lax/eyw/los-angeles-to-key-west) - [Flights from Melbourne (MLB) to Key West (EYW)](https://www.expedia.ca/lp/flights/mlb/eyw/melbourne-to-key-west) - [Flights from Manila (MNL) to Key West (EYW)](https://www.expedia.ca/lp/flights/mnl/eyw/manila-to-key-west) - [Flights from Manassas (MNZ) to Key West (EYW)](https://www.expedia.ca/lp/flights/mnz/eyw/manassas-to-key-west) - [Flights from Minot (MOT) to Key West (EYW)](https://www.expedia.ca/lp/flights/mot/eyw/minot-to-key-west) - [Flights from Marco Island (MRK) to Key West (EYW)](https://www.expedia.ca/lp/flights/mrk/eyw/marco-island-to-key-west) - [Flights from Minneapolis (MSP) to Key West (EYW)](https://www.expedia.ca/lp/flights/msp/eyw/minneapolis-to-key-west) - [Flights from New Orleans (MSY) to Key West (EYW)](https://www.expedia.ca/lp/flights/msy/eyw/new-orleans-to-key-west) - [Flights from Myrtle Beach (MYR) to Key West (EYW)](https://www.expedia.ca/lp/flights/myr/eyw/myrtle-beach-to-key-west) - [Flights from Nassau (NAS) to Key West (EYW)](https://www.expedia.ca/lp/flights/nas/eyw/nassau-to-key-west) - [Flights from Ocala (OCF) to Key West (EYW)](https://www.expedia.ca/lp/flights/ocf/eyw/ocala-to-key-west) - [Flights from Ogdensburg (OGS) to Key West (EYW)](https://www.expedia.ca/lp/flights/ogs/eyw/ogdensburg-to-key-west) - [Flights from Ontario (ONT) to Key West (EYW)](https://www.expedia.ca/lp/flights/ont/eyw/ontario-to-key-west) - [Flights from Chicago (ORD) to Key West (EYW)](https://www.expedia.ca/lp/flights/ord/eyw/chicago-to-key-west) - [Flights from Plattsburgh (PBG) to Key West (EYW)](https://www.expedia.ca/lp/flights/pbg/eyw/plattsburgh-to-key-west) - [Flights from Philadelphia (PHL) to Key West (EYW)](https://www.expedia.ca/lp/flights/phl/eyw/philadelphia-to-key-west) - [Flights from Pompano Beach (PPM) to Key West (EYW)](https://www.expedia.ca/lp/flights/ppm/eyw/pompano-beach-to-key-west) - [Flights from Presque Isle (PQI) to Key West (EYW)](https://www.expedia.ca/lp/flights/pqi/eyw/presque-isle-to-key-west) - [Flights from Raleigh (RDU) to Key West (EYW)](https://www.expedia.ca/lp/flights/rdu/eyw/raleigh-to-key-west) - [Flights from Richmond (RIC) to Key West (EYW)](https://www.expedia.ca/lp/flights/ric/eyw/richmond-to-key-west) - [Flights from Savannah (SAV) to Key West (EYW)](https://www.expedia.ca/lp/flights/sav/eyw/savannah-to-key-west) - [Flights from Orlando (SFB) to Key West (EYW)](https://www.expedia.ca/lp/flights/sfb/eyw/orlando-to-key-west) - [Flights from San Francisco (SFO) to Key West (EYW)](https://www.expedia.ca/lp/flights/sfo/eyw/san-francisco-to-key-west) - [Flights from Sault Ste. Marie (SSM) to Key West (EYW)](https://www.expedia.ca/lp/flights/ssm/eyw/sault-ste-marie-to-key-west) - [Flights from Venice (VCE) to Key West (EYW)](https://www.expedia.ca/lp/flights/vce/eyw/venice-to-key-west) - [Flights from Fredericton (YFC) to Key West (EYW)](https://www.expedia.ca/lp/flights/yfc/eyw/fredericton-to-key-west) - [Flights from Kamloops (YKA) to Key West (EYW)](https://www.expedia.ca/lp/flights/yka/eyw/kamloops-to-key-west) - [Flights from Kitchener (YKF) to Key West (EYW)](https://www.expedia.ca/lp/flights/ykf/eyw/kitchener-to-key-west) - [Flights from Kelowna (YLW) to Key West (EYW)](https://www.expedia.ca/lp/flights/ylw/eyw/kelowna-to-key-west) - [Flights from Québec (YQB) to Key West (EYW)](https://www.expedia.ca/lp/flights/yqb/eyw/quebec-to-key-west) - [Flights from Windsor (YQG) to Key West (EYW)](https://www.expedia.ca/lp/flights/yqg/eyw/windsor-to-key-west) - [Flights from Moncton (YQM) to Key West (EYW)](https://www.expedia.ca/lp/flights/yqm/eyw/moncton-to-key-west) - [Flights from Regina (YQR) to Key West (EYW)](https://www.expedia.ca/lp/flights/yqr/eyw/regina-to-key-west) - [Flights from Thunder Bay (YQT) to Key West (EYW)](https://www.expedia.ca/lp/flights/yqt/eyw/thunder-bay-to-key-west) - [Flights from Grande Prairie (YQU) to Key West (EYW)](https://www.expedia.ca/lp/flights/yqu/eyw/grande-prairie-to-key-west) - [Flights from Sudbury (YSB) to Key West (EYW)](https://www.expedia.ca/lp/flights/ysb/eyw/sudbury-to-key-west) - [Flights from Toronto (YTZ) to Key West (EYW)](https://www.expedia.ca/lp/flights/ytz/eyw/toronto-to-key-west) - [Flights from Charlottetown (YYG) to Key West (EYW)](https://www.expedia.ca/lp/flights/yyg/eyw/charlottetown-to-key-west) - [Flights from Victoria (YYJ) to Key West (EYW)](https://www.expedia.ca/lp/flights/yyj/eyw/victoria-to-key-west) - [Flights from St. John's (YYT) to Key West (EYW)](https://www.expedia.ca/lp/flights/yyt/eyw/st-johns-to-key-west) - [Flights from Nanaimo (ZNA) to Key West (EYW)](https://www.expedia.ca/lp/flights/zna/eyw/nanaimo-to-key-west) \*Available to Expedia members.