Title: Clearwater to Marathon cheap flights (CLW to MTH) - Expedia.com ![](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 Clearwater (CLW) to Marathon (MTH) ## Popular airlines from Clearwater, FL (CLW-Clearwater Air Park) to Marathon, FL (MTH-Florida Keys Marathon) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AA.svg) American Airlines [](https://www.expedia.com/Flights-Search?leg1=from:CLW,to:MTH,departure:4/21/2026TANYT&leg2=from:MTH,to:CLW,departure:4/28/2026TANYT&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.com/Flights-Search?leg1=from:CLW,to:MTH,departure:4/21/2026TANYT&leg2=from:MTH,to:CLW,departure:4/28/2026TANYT&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_WN.svg) Southwest Airlines [](https://www.expedia.com/Flights-Search?leg1=from:CLW,to:MTH,departure:4/21/2026TANYT&leg2=from:MTH,to:CLW,departure:4/28/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"WN"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_DL.svg) Delta [](https://www.expedia.com/Flights-Search?leg1=from:CLW,to:MTH,departure:4/21/2026TANYT&leg2=from:MTH,to:CLW,departure:4/28/2026TANYT&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_F9.svg) Frontier Airlines [](https://www.expedia.com/Flights-Search?leg1=from:CLW,to:MTH,departure:4/21/2026TANYT&leg2=from:MTH,to:CLW,departure:4/28/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"F9"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_B6.svg) JetBlue Airways [](https://www.expedia.com/Flights-Search?leg1=from:CLW,to:MTH,departure:4/21/2026TANYT&leg2=from:MTH,to:CLW,departure:4/28/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"B6"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AS.svg) Alaska Airlines [](https://www.expedia.com/Flights-Search?leg1=from:CLW,to:MTH,departure:4/21/2026TANYT&leg2=from:MTH,to:CLW,departure:4/28/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AS"}}]) - ![](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 OneKeyCash [Learn about One Key](https://www.expedia.com/welcome-one-key) ## Frequently asked questions ### How much does a flight from Clearwater, FL (CLW-Clearwater Air Park) to Marathon, FL (MTH-Florida Keys Marathon) cost? ### What is the cheapest month to fly from Clearwater, FL (CLW-Clearwater Air Park) to Marathon, FL (MTH-Florida Keys Marathon)? ### Which airlines fly direct from Clearwater, FL (CLW-Clearwater Air Park) to Marathon, FL (MTH-Florida Keys Marathon)? ### How do I find cheap flights from Clearwater, FL (CLW-Clearwater Air Park) to Marathon, FL (MTH-Florida Keys Marathon)? ### What is the best time to fly from Clearwater, FL (CLW-Clearwater Air Park) to Marathon, FL (MTH-Florida Keys Marathon)? ### What is the earliest flight from Clearwater, FL (CLW-Clearwater Air Park) to Marathon, FL (MTH-Florida Keys Marathon)? ### Can you fly business or first class from Clearwater, FL (CLW-Clearwater Air Park) to Marathon, FL (MTH-Florida Keys Marathon)? ### How do I earn miles on a Clearwater, FL (CLW-Clearwater Air Park) to Marathon, FL (MTH-Florida Keys Marathon) flight with Expedia? ### Is it cheaper to buy a plane ticket from Clearwater, FL (CLW-Clearwater Air Park) to Marathon, FL (MTH-Florida Keys Marathon) at the last minute? ### Is it cheaper to book a Clearwater, FL (CLW-Clearwater Air Park) to Marathon, FL (MTH-Florida Keys Marathon) flight and hotel package? ### Can I cancel or change the date of my flight from Clearwater, FL (CLW-Clearwater Air Park) to Marathon, FL (MTH-Florida Keys Marathon)? ## Travel information | Origin airport | Clearwater Air Park | | ------------------- | --------------------- | | Destination airport | Florida Keys Marathon | | Distance | 248 mi | \*Flight schedules are subject to change. \*Available to One Key members. ## Explore a world of travel with Expedia - 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