Title: Cheap Flights from Houston (HOU) to Marathon (MTH) - Expedia.ca ![](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 Houston (HOU) to Marathon (MTH) ## Popular airlines from Houston William Hobby Airport (HOU) to Marathon, FL (MTH-Florida Keys Marathon) - ![](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:HOU,to:MTH,departure:22/04/2026TANYT&leg2=from:MTH,to:HOU,departure:29/04/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AC"}}]) - ![](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:HOU,to:MTH,departure:22/04/2026TANYT&leg2=from:MTH,to:HOU,departure:29/04/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"WS"}}]) - ![](https://a.travel-assets.com/air/airlines/f8_sq.svg) Flair Airlines [](https://www.expedia.ca/Flights-Search?leg1=from:HOU,to:MTH,departure:22/04/2026TANYT&leg2=from:MTH,to:HOU,departure:29/04/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"F8"}}]) - ![](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:HOU,to:MTH,departure:22/04/2026TANYT&leg2=from:MTH,to:HOU,departure:29/04/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AA"}}]) - ![](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:HOU,to:MTH,departure:22/04/2026TANYT&leg2=from:MTH,to:HOU,departure:29/04/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"UA"}}]) - ![](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:HOU,to:MTH,departure:22/04/2026TANYT&leg2=from:MTH,to:HOU,departure:29/04/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"DL"}}]) - ![](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:HOU,to:MTH,departure:22/04/2026TANYT&leg2=from:MTH,to:HOU,departure:29/04/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"PD"}}]) - ![](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\* - ![](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\* - ![](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) ## Frequently asked questions ### How much is a flight from HOU to MTH? ### Do I need to pay a cancellation fee if I cancel my flight from William P. Hobby Airport to MTH? ### How do I find cheap flights from William P. Hobby Airport (HOU) to MTH that have flexible change policies? ### How far is the flight from William P. Hobby Airport to MTH? ### Which airlines fly direct from William P. Hobby Airport to MTH? ### Are HOU to MTH flight tickets cheaper when they're purchased at the last minute? ## Travel information | Origin airport | William P. Hobby | | ------------------- | --------------------- | | Destination airport | Florida Keys Marathon | | Distance | 1499 km | ## 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. 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