Title: Cheap Flights from Buffalo to Marathon (BUF to MTH) - Expedia.co.uk ![Marathon showing swimming, a sandy beach and tropical scenes](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 Buffalo (BUF) to Marathon (MTH) - [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 ## Popular airlines from Buffalo Niagara Intl. Airport (BUF) to Marathon, FL (MTH-Florida Keys Marathon) - ![British Airways](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_BA.svg) British Airways [](https://www.expedia.co.uk/Flights-Search?leg1=from:buf,to:mth,departure:01/10/2025TANYT&leg2=from:mth,to:buf,departure:08/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"BA"}}]) - ![easyJet](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_U2.svg) easyJet [](https://www.expedia.co.uk/Flights-Search?leg1=from:buf,to:mth,departure:01/10/2025TANYT&leg2=from:mth,to:buf,departure:08/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"U2"}}]) - ![Lufthansa](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_LH.svg) Lufthansa [](https://www.expedia.co.uk/Flights-Search?leg1=from:buf,to:mth,departure:01/10/2025TANYT&leg2=from:mth,to:buf,departure:08/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"LH"}}]) - ![Ryanair](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_FR.svg) Ryanair [](https://www.expedia.co.uk/Flights-Search?leg1=from:buf,to:mth,departure:01/10/2025TANYT&leg2=from:mth,to:buf,departure:08/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"FR"}}]) - ![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:buf,to:mth,departure:01/10/2025TANYT&leg2=from:mth,to:buf,departure:08/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AA"}}]) - ![Jet2](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_LS.svg) Jet2 [](https://www.expedia.co.uk/Flights-Search?leg1=from:buf,to:mth,departure:01/10/2025TANYT&leg2=from:mth,to:buf,departure:08/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"LS"}}]) - ![Swiss International Air Lines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_LX.svg) Swiss International Air Lines [](https://www.expedia.co.uk/Flights-Search?leg1=from:buf,to:mth,departure:01/10/2025TANYT&leg2=from:mth,to:buf,departure:08/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"LX"}}]) - ## Plan, book, fly with confidence - ### Be in the know Get alerts if flight prices drop or rise\* - ### Book smarter Save up to 25% on select hotels after you book a flight\* - ### Earn twice Earn your airline miles on top of our rewards [Sign in](https://www.expedia.co.uk/login) Flight from Buffalo to Marathon route information | Origin airport | Buffalo Niagara Intl. | | --- | --- | | Destination airport | Florida Keys Marathon | | Distance | 2023 km | ## Compare flights from Buffalo to Marathon easily and book with confidence For travelling on business or for pleasure, Expedia makes it easy to book your flights from Buffalo to Marathon. Operating between them flights per day, airlines cover the route. And fly direct, getting you to Florida Keys Marathon in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Buffalo Niagara Intl. to Florida Keys Marathon.   To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights.  Grab a great deal on your flight from Buffalo Niagara Intl. (BUF) to Florida Keys Marathon (MTH) The easiest way to view the best deals on flights from Buffalo to Marathon today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from Buffalo Niagara Intl. to Florida Keys Marathon start at just and range up to .   To find an even better deal, try   - being flexible on your dates – midweek flights can be cheaper - looking for other airports near Buffalo and Marathon - booking your flight during , the cheapest month on this route - varying your flight times – early morning and late at night are sometimes cheaper  Why you should book your Buffalo to Marathon flight with Expedia! We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Buffalo Niagara Intl. to Florida Keys Marathon for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.   Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.   ## Explore a world of travel with Expedia - Flights ### Flights - [Flights from Auckland (AKL) to Key West (EYW)](https://www.expedia.co.uk/lp/flights/akl/eyw/auckland-to-key-west) - [Flights from Naples (APF) to Key West (EYW)](https://www.expedia.co.uk/lp/flights/apf/eyw/naples-to-key-west) - [Flights from Atlanta (ATL) to Key West (EYW)](https://www.expedia.co.uk/lp/flights/atl/eyw/atlanta-to-key-west) - [Flights from Oranjestad (AUA) to Key West (EYW)](https://www.expedia.co.uk/lp/flights/aua/eyw/oranjestad-to-key-west) - [Flights from Bridgetown (BGI) to Key West (EYW)](https://www.expedia.co.uk/lp/flights/bgi/eyw/bridgetown-to-key-west) - [Flights from Belfast (BHD) to Key West (EYW)](https://www.expedia.co.uk/lp/flights/bhd/eyw/belfast-to-key-west) - [Flights from Birmingham (BHM) to Key West (EYW)](https://www.expedia.co.uk/lp/flights/bhm/eyw/birmingham-to-key-west) - [Flights from Birmingham (BHX) to Key West (EYW)](https://www.expedia.co.uk/lp/flights/bhx/eyw/birmingham-to-key-west) - [Flights from Nashville (BNA) to Key West (EYW)](https://www.expedia.co.uk/lp/flights/bna/eyw/nashville-to-key-west) - [Flights from Bogotá (BOG) to Key West (EYW)](https://www.expedia.co.uk/lp/flights/bog/eyw/bogota-to-key-west) - [Flights from Boston (BOS) to Key West (EYW)](https://www.expedia.co.uk/lp/flights/bos/eyw/boston-to-key-west) - [Flights from Bristol (BRS) to Key West (EYW)](https://www.expedia.co.uk/lp/flights/brs/eyw/bristol-to-key-west) - [Flights from Barrow (BRW) to Key West (EYW)](https://www.expedia.co.uk/lp/flights/brw/eyw/barrow-to-key-west) - [Flights from Buenos Aires (BUE) to Key West (EYW)](https://www.expedia.co.uk/lp/flights/bue/eyw/buenos-aires-to-key-west) - [Flights from Craig Cove (CCV) to Key West (EYW)](https://www.expedia.co.uk/lp/flights/ccv/eyw/craig-cove-to-key-west) - [Flights from Charleston (CHS) to Key West (EYW)](https://www.expedia.co.uk/lp/flights/chs/eyw/charleston-to-key-west) - [Flights from Clarksburg (CKB) to Key West (EYW)](https://www.expedia.co.uk/lp/flights/ckb/eyw/clarksburg-to-key-west) - [Flights from Cleveland (CLE) to Key West (EYW)](https://www.expedia.co.uk/lp/flights/cle/eyw/cleveland-to-key-west) - [Flights from Charlotte (CLT) to Key West (EYW)](https://www.expedia.co.uk/lp/flights/clt/eyw/charlotte-to-key-west) - [Flights from Clearwater (CLW) to Key West (EYW)](https://www.expedia.co.uk/lp/flights/clw/eyw/clearwater-to-key-west) - [Flights from Columbus (CMH) to Key West (EYW)](https://www.expedia.co.uk/lp/flights/cmh/eyw/columbus-to-key-west) - [Flights from Coatesville (CTH) to Key West (EYW)](https://www.expedia.co.uk/lp/flights/cth/eyw/coatesville-to-key-west) - [Flights from Cancun (CUN) to Key West (EYW)](https://www.expedia.co.uk/lp/flights/cun/eyw/cancun-to-key-west) - [Flights from Mosinee (CWA) to Key West (EYW)](https://www.expedia.co.uk/lp/flights/cwa/eyw/mosinee-to-key-west) - [Flights from Daytona Beach (DAB) to Key West (EYW)](https://www.expedia.co.uk/lp/flights/dab/eyw/daytona-beach-to-key-west) - [Flights from Dayton (DAY) to Key West (EYW)](https://www.expedia.co.uk/lp/flights/day/eyw/dayton-to-key-west) - [Flights from Washington (DCA) to Key West (EYW)](https://www.expedia.co.uk/lp/flights/dca/eyw/washington-to-key-west) - [Flights from Dallas (DFW) to Key West (EYW)](https://www.expedia.co.uk/lp/flights/dfw/eyw/dallas-to-key-west) - [Flights from Dillingham (DLG) to Key West (EYW)](https://www.expedia.co.uk/lp/flights/dlg/eyw/dillingham-to-key-west) - [Flights from Dundee (DND) to Key West (EYW)](https://www.expedia.co.uk/lp/flights/dnd/eyw/dundee-to-key-west) - [Flights from Doncaster (DSA) to Key West (EYW)](https://www.expedia.co.uk/lp/flights/dsa/eyw/doncaster-to-key-west) - [Flights from Dublin (DUB) to Key West (EYW)](https://www.expedia.co.uk/lp/flights/dub/eyw/dublin-to-key-west) - [Flights from Dunedin (DUD) to Key West (EYW)](https://www.expedia.co.uk/lp/flights/dud/eyw/dunedin-to-key-west) - [Flights from Edinburgh (EDI) to Key West (EYW)](https://www.expedia.co.uk/lp/flights/edi/eyw/edinburgh-to-key-west) - [Flights from East Midlands (EMA) to Key West (EYW)](https://www.expedia.co.uk/lp/flights/ema/eyw/east-midlands-to-key-west) - [Flights from Fort Lauderdale (FLL) to Key West (EYW)](https://www.expedia.co.uk/lp/flights/fll/eyw/fort-lauderdale-to-key-west) - [Flights from Frankfurt (FRA) to Key West (EYW)](https://www.expedia.co.uk/lp/flights/fra/eyw/frankfurt-to-key-west) - [Flights from Glasgow (GLA) to Key West (EYW)](https://www.expedia.co.uk/lp/flights/gla/eyw/glasgow-to-key-west) - [Flights from Gainesville (GNV) to Key West (EYW)](https://www.expedia.co.uk/lp/flights/gnv/eyw/gainesville-to-key-west) - [Flights from Gulfport (GPT) to Key West (EYW)](https://www.expedia.co.uk/lp/flights/gpt/eyw/gulfport-to-key-west) - [Flights from Houston (HOU) to Key West (EYW)](https://www.expedia.co.uk/lp/flights/hou/eyw/houston-to-key-west) - [Flights from Havre (HVR) to Key West (EYW)](https://www.expedia.co.uk/lp/flights/hvr/eyw/havre-to-key-west) - [Flights from Washington (IAD) to Key West (EYW)](https://www.expedia.co.uk/lp/flights/iad/eyw/washington-to-key-west) - [Flights from Kissimmee (ISM) to Key West (EYW)](https://www.expedia.co.uk/lp/flights/ism/eyw/kissimmee-to-key-west) - [Flights from Jacksonville (JAX) to Key West (EYW)](https://www.expedia.co.uk/lp/flights/jax/eyw/jacksonville-to-key-west) - [Flights from New York (JFK) to Key West (EYW)](https://www.expedia.co.uk/lp/flights/jfk/eyw/new-york-to-key-west) - [Flights from Kraków (KRK) to Key West (EYW)](https://www.expedia.co.uk/lp/flights/krk/eyw/krakow-to-key-west) - [Flights from Las Vegas (LAS) to Key West (EYW)](https://www.expedia.co.uk/lp/flights/las/eyw/las-vegas-to-key-west) - [Flights from Los Angeles (LAX) to Key West (EYW)](https://www.expedia.co.uk/lp/flights/lax/eyw/los-angeles-to-key-west) - [Flights from London (LCY) to Key West (EYW)](https://www.expedia.co.uk/lp/flights/lcy/eyw/london-to-key-west) - [Flights from London (LGW) to Key West (EYW)](https://www.expedia.co.uk/lp/flights/lgw/eyw/london-to-key-west) - [Flights from London (LHR) to Key West (EYW)](https://www.expedia.co.uk/lp/flights/lhr/eyw/london-to-key-west) - [Flights from Liverpool (LPL) to Key West (EYW)](https://www.expedia.co.uk/lp/flights/lpl/eyw/liverpool-to-key-west) - [Flights from Manchester (MAN) to Key West (EYW)](https://www.expedia.co.uk/lp/flights/man/eyw/manchester-to-key-west) - [Flights from Montego Bay (MBJ) to Key West (EYW)](https://www.expedia.co.uk/lp/flights/mbj/eyw/montego-bay-to-key-west) - [Flights from Orlando (MCO) to Key West (EYW)](https://www.expedia.co.uk/lp/flights/mco/eyw/orlando-to-key-west) - [Flights from Meridian (MEI) to Key West (EYW)](https://www.expedia.co.uk/lp/flights/mei/eyw/meridian-to-key-west) - [Flights from Melbourne (MEL) to Key West (EYW)](https://www.expedia.co.uk/lp/flights/mel/eyw/melbourne-to-key-west) - [Flights from Memphis (MEM) to Key West (EYW)](https://www.expedia.co.uk/lp/flights/mem/eyw/memphis-to-key-west) - [Flights from Mexico City (MEX) to Key West (EYW)](https://www.expedia.co.uk/lp/flights/mex/eyw/mexico-city-to-key-west) - [Flights from Manchester (MHT) to Key West (EYW)](https://www.expedia.co.uk/lp/flights/mht/eyw/manchester-to-key-west) - [Flights from Miami (MIA) to Key West (EYW)](https://www.expedia.co.uk/lp/flights/mia/eyw/miami-to-key-west) - [Flights from Melbourne (MLB) to Key West (EYW)](https://www.expedia.co.uk/lp/flights/mlb/eyw/melbourne-to-key-west) - [Flights from Marco Island (MRK) to Key West (EYW)](https://www.expedia.co.uk/lp/flights/mrk/eyw/marco-island-to-key-west) - [Flights from New Orleans (MSY) to Key West (EYW)](https://www.expedia.co.uk/lp/flights/msy/eyw/new-orleans-to-key-west) - [Flights from Marathon (MTH) to Key West (EYW)](https://www.expedia.co.uk/lp/flights/mth/eyw/marathon-to-key-west) - [Flights from Nassau (NAS) to Key West (EYW)](https://www.expedia.co.uk/lp/flights/nas/eyw/nassau-to-key-west) - [Flights from Newcastle (NCL) to Key West (EYW)](https://www.expedia.co.uk/lp/flights/ncl/eyw/newcastle-to-key-west) - [Flights from New York (NYC) to Key West (EYW)](https://www.expedia.co.uk/lp/flights/nyc/eyw/new-york-to-key-west) - [Flights from Chicago (ORD) to Key West (EYW)](https://www.expedia.co.uk/lp/flights/ord/eyw/chicago-to-key-west) - [Flights from Punta Gorda Airport (PGD) to Key West (EYW)](https://www.expedia.co.uk/lp/flights/pgd/eyw/punta-gorda-airport-to-key-west) - [Flights from Philadelphia (PHL) to Key West (EYW)](https://www.expedia.co.uk/lp/flights/phl/eyw/philadelphia-to-key-west) - [Flights from Phoenix (PHX) to Key West (EYW)](https://www.expedia.co.uk/lp/flights/phx/eyw/phoenix-to-key-west) - [Flights from St. Petersburg (PIE) to Key West (EYW)](https://www.expedia.co.uk/lp/flights/pie/eyw/st-petersburg-to-key-west) - [Flights from Pittsburgh (PIT) to Key West (EYW)](https://www.expedia.co.uk/lp/flights/pit/eyw/pittsburgh-to-key-west) - [Flights from Pensacola (PNS) to Key West (EYW)](https://www.expedia.co.uk/lp/flights/pns/eyw/pensacola-to-key-west) - [Flights from Portsmouth (PSM) to Key West (EYW)](https://www.expedia.co.uk/lp/flights/psm/eyw/portsmouth-to-key-west) - [Flights from Palm Springs (PSP) to Key West (EYW)](https://www.expedia.co.uk/lp/flights/psp/eyw/palm-springs-to-key-west) - [Flights from Shanghai (PVG) to Key West (EYW)](https://www.expedia.co.uk/lp/flights/pvg/eyw/shanghai-to-key-west) - [Flights from Plymouth (PYM) to Key West (EYW)](https://www.expedia.co.uk/lp/flights/pym/eyw/plymouth-to-key-west) - [Flights from Fort Myers (RSW) to Key West (EYW)](https://www.expedia.co.uk/lp/flights/rsw/eyw/fort-myers-to-key-west) - [Flights from Santa Fe (SAF) to Key West (EYW)](https://www.expedia.co.uk/lp/flights/saf/eyw/santa-fe-to-key-west) - [Flights from Seattle (SEA) to Key West (EYW)](https://www.expedia.co.uk/lp/flights/sea/eyw/seattle-to-key-west) - [Flights from Orlando (SFB) to Key West (EYW)](https://www.expedia.co.uk/lp/flights/sfb/eyw/orlando-to-key-west) - [Flights from San Francisco (SFO) to Key West (EYW)](https://www.expedia.co.uk/lp/flights/sfo/eyw/san-francisco-to-key-west) - [Flights from San Juan (SJU) to Key West (EYW)](https://www.expedia.co.uk/lp/flights/sju/eyw/san-juan-to-key-west) - [Flights from Sarasota (SRQ) to Key West (EYW)](https://www.expedia.co.uk/lp/flights/srq/eyw/sarasota-to-key-west) - [Flights from Philipsburg (SXM) to Key West (EYW)](https://www.expedia.co.uk/lp/flights/sxm/eyw/philipsburg-to-key-west) - [Flights from Tampa (TPA) to Key West (EYW)](https://www.expedia.co.uk/lp/flights/tpa/eyw/tampa-to-key-west) - [Flights from Tulsa (TUL) to Key West (EYW)](https://www.expedia.co.uk/lp/flights/tul/eyw/tulsa-to-key-west) - [Flights from Tucson (TUS) to Key West (EYW)](https://www.expedia.co.uk/lp/flights/tus/eyw/tucson-to-key-west) - [Flights from Traverse City (TVC) to Key West (EYW)](https://www.expedia.co.uk/lp/flights/tvc/eyw/traverse-city-to-key-west) - [Flights from St. Augustine (UST) to Key West (EYW)](https://www.expedia.co.uk/lp/flights/ust/eyw/st-augustine-to-key-west) - [Flights from Vero Beach (VRB) to Key West (EYW)](https://www.expedia.co.uk/lp/flights/vrb/eyw/vero-beach-to-key-west) - [Flights from Tuntutuliak (WTL) to Key West (EYW)](https://www.expedia.co.uk/lp/flights/wtl/eyw/tuntutuliak-to-key-west) - [Flights from Ottawa (YOW) to Key West (EYW)](https://www.expedia.co.uk/lp/flights/yow/eyw/ottawa-to-key-west) - [Flights from Montreal (YUL) to Key West (EYW)](https://www.expedia.co.uk/lp/flights/yul/eyw/montreal-to-key-west) - [Flights from Vancouver (YVR) to Key West (EYW)](https://www.expedia.co.uk/lp/flights/yvr/eyw/vancouver-to-key-west) - [Flights from Calgary (YYC) to Key West (EYW)](https://www.expedia.co.uk/lp/flights/yyc/eyw/calgary-to-key-west) - [Flights from Toronto (YYZ) to Key West (EYW)](https://www.expedia.co.uk/lp/flights/yyz/eyw/toronto-to-key-west) \*Available to Expedia members. ![](https://a.travel-assets.com/mad-service/footer/bnaBanners/BEX_Footer.jpg) ## Go further with the Expedia app Save on select hotels when you book in the app. Our app deals help you to save on trips so you can travel more and manage it all on the go. Scan the QR code with your device camera and download our app ![QR code to download the app](https://a.travel-assets.com/mad-service/qr-code/footer_qr/3_QR_FOOTER.png)