Title: Cheap Flights from San Diego to Louisville (SAN to SDF) - Expedia.co.uk ![The Louisville, Kentucky skyline with pedestrian walkway in front](https://images.trvl-media.com/place/603002/bb7aa867-4a7a-49ff-b758-10a472246889.jpg?impolicy=fcrop&w=1200&h=500&q=medium) ![](https://a.travel-assets.com/travel-assets-manager/fallback-images-brand/bex_flights_v2.jpg?impolicy=fcrop&w=1200&h=500&q=medium) # Cheap Flights from San Diego (SAN) to Louisville (SDF) - [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 San Diego Intl. Airport (SAN) to Louisville International Airport (SDF) - ![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:san,to:sdf,departure:27/10/2025TANYT&leg2=from:sdf,to:san,departure:03/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AA"}}]) - ![Alaska Airlines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AS.svg) Alaska Airlines [](https://www.expedia.co.uk/Flights-Search?leg1=from:san,to:sdf,departure:27/10/2025TANYT&leg2=from:sdf,to:san,departure:03/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AS"}}]) - ![United](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_UA.svg) United [](https://www.expedia.co.uk/Flights-Search?leg1=from:san,to:sdf,departure:27/10/2025TANYT&leg2=from:sdf,to:san,departure:03/11/2025TANYT&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.co.uk/Flights-Search?leg1=from:san,to:sdf,departure:27/10/2025TANYT&leg2=from:sdf,to:san,departure:03/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"DL"}}]) - ![Southwest Airlines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_WN.svg) Southwest Airlines [](https://www.expedia.co.uk/Flights-Search?leg1=from:san,to:sdf,departure:27/10/2025TANYT&leg2=from:sdf,to:san,departure:03/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"WN"}}]) ![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 25% 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.co.uk/login) ## Find the cheapest month to fly from San Diego (SAN) to Louisville (SDF) ### September is typically the cheapest month to fly From £132 - £444 per traveller. ## Frequently asked questions ### How much is a flight from SAN to Louisville Intl. Airport (SDF)? > If you're travelling between San Diego Airport and Louisville Muhammad Ali Intl. Airport, round-trip journeys start from . This figure is based on airfares available within the last 7 days on Expedia for flights departing within the next year, so don't hang about. Book today and save yourself money and time. Prices and availability are subject to change. Additional terms apply. ### Do I need to pay a cancellation fee if I cancel my flight from San Diego Airport to Louisville Muhammad Ali Intl. Airport? > Most flights can be cancelled online, but whether you are charged a fee differs between airlines. If you do need to cancel your getaway, follow the instructions in the [Customer Service Portal](https://www.expedia.co.uk/service/?langid=1033). ### How do I find cheap flights from San Diego Intl. Airport (SAN) to Louisville Muhammad Ali Intl. Airport that have flexible change policies? > Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for San Diego Intl. Airport (SAN) to Louisville Muhammad Ali Intl. Airport flights, you'll see a "no change fees" filter for you to select. ### How far is the flight from SAN to SDF? > Expect to be soaring through the sky for a while, as the flight distance between SAN and Louisville Muhammad Ali Intl. Airport is 2,900 kilometres. Set up a playlist of your favourite podcasts before leaving home to keep yourself entertained during your journey. ### Which airlines fly direct from San Diego Intl. Airport (SAN) to SDF? > Unfortunately, there are no airlines that directly fly between San Diego Intl. Airport (SAN) and Louisville Muhammad Ali Intl. Airport. You'll have to book a flight with at least one stop. ### Are San Diego Airport to Louisville Intl. Airport (SDF) flight tickets cheaper when they're purchased at the last minute? > Booking last minute from San Diego Intl. Airport (SAN) to Louisville Intl. Airport (SDF) can be hit-or-miss. It is possible to score a bargain, but you could also miss out completely! If you'd rather play it safe and start your trip planning early, Expedia compares flight deals up to 12 months in advance. Just remember that not all airlines list their prices that far in advance. Our suggestion? Check back often as updates are made regularly. ## Travel information | Origin airport | San Diego Intl. | | --- | --- | | Destination airport | Louisville Intl. | | Distance | 2881 km | | Average flight time | 5 hours 30 mins | ## Book with confidence ### Compare flights from San Diego to Louisville easily and book with confidence For travelling on business or for pleasure, Expedia makes it easy to book your flights from San Diego to Louisville. Operating between them flights per day, airlines cover the route. And fly direct, getting you to Louisville Intl. in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from San Diego Intl. to Louisville Intl..   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 San Diego Intl. (SAN) to Louisville Intl. (SDF) The easiest way to view the best deals on flights from San Diego to Louisville 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 San Diego Intl. to Louisville Intl. 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 San Diego and Louisville - 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 San Diego to Louisville flight with Expedia! We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from San Diego Intl. to Louisville Intl. 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. 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