Cheap Flights from Portland to Louisville Muhammad Ali International

Compare Portland to Louisville Muhammad Ali International flight deals

Find the cheapest month or even day of the year to fly to Louisville Muhammad Ali International

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Flight deals from Portland to Louisville Muhammad Ali International

Looking for a cheap last-minute deal or the best return flight from Portland Airport to Louisville Muhammad Ali International Airport? If you want to travel next month, return fares start from $554. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Portland to Louisville Muhammad Ali International

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Portland to Louisville Muhammad Ali International flights are currently cheapest in June.

Direct flights from Portland to Louisville Muhammad Ali International

Portland to Louisville Muhammad Ali International: Alternative routes

Compare routes from Portland to Louisville below. You may find an airport to fly into that's cheaper, faster, or easier than Louisville Muhammad Ali International.

Portland to Louisville: Flight information

The things to know before you go.
Cheapest flight found$554
Cheapest month to flyJune
Average flight time4 hrs, 20 mins
Most popular airlineSun Country Airlines
Average flights per week1

Finding cheap flights from Portland to Louisville Muhammad Ali International: Frequently asked questions

The best price we found for a return flight from Portland to Louisville Muhammad Ali International is $554. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
4 hours and 20 minutes is the average flight time from Portland to Louisville Muhammad Ali International.
Sun Country Airlines flies direct from Portland to Louisville Muhammad Ali International.
As of May 2026, there is one flight per week flying from Portland to Louisville Muhammad Ali International.
The cheapest month to fly from Portland to Louisville Muhammad Ali International is usually June.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Portland Airport to Louisville Muhammad Ali International Airport on Thursday, 4 June 2026.
Yes – the average flight time is 4 hours and 20 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Louisville Muhammad Ali International but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Louisville is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Delta offers the cheapest flight tickets to Louisville Muhammad Ali International.

Flying from Portland International Airport (PDX) to Louisville International Airport-Standiford Field (SDF): what you need to know

  • To ensure you get on your PDX to SDF flight, leave enough time for things like baggage drop and finding your gate. Arriving two hours before international departures and an hour before domestic flights is the general rule.

  • You'll likely experience longer queues during popular months such as July. Arriving up to four hours in advance for international flights and two hours for a domestic departure is a smart move.

  • Consider adding a stopover when booking your ticket from Portland International Airport to Louisville International Airport-Standiford Field. Simply deselect 'Direct flights only' to break up your journey, or perhaps see a new city along the way. Check out these options between PDX and SDF:

    • Chicago Midway International Airport

    • Denver International Airport

    • Minneapolis-St. Paul International Airport

How to find the cheapest flights from Portland International Airport (PDX) to Louisville International Airport-Standiford Field (SDF)

  • Right now, $272 is the cheapest price we've found for a one-way Portland International Airport to Louisville International Airport-Standiford Field flight. The best price for a return ticket is $554. Bear in mind that fares may change due to demand at the time of booking.

  • Don't wait until the last moment. You're more likely to get cheap tickets from PDX to SDF if you book in advance. Airlines often have some great early bird discounts.

  • The 'Whole month' tool shows you the cheapest flights from Portland International Airport to Louisville International Airport-Standiford Field across every month. It's an easy way to find a bargain if your travel dates are flexible.

  • You won't have to check every day to find out if fares have gone down when you create a Price Alert. We'll notify you as soon as there's a change in price on cheap flights from PDX to SDF.

  • Tailor your flights using filters. Select your preferred arrival and departure times, total journey duration and airlines. You can also sort your results by 'Fastest,' 'Best' or 'Cheapest' flights from Portland International Airport to Louisville International Airport-Standiford Field.

Handy information about Portland International Airport (PDX)

  • The address for PDX is 7000 NE Airport Way.

  • 83.65% of flights leaving Portland International Airport reach their destination as planned. With its strong performance rating, you're unlikely to face delays when flying out of PDX.

  • Portland International Airport is around 19 kilometres from central Portland. If you're catching a cab, ride-sharing or driving from the centre, it'll take 20 minutes or so to get there, depending on the traffic.

  • The trip on public transport will take about 45 minutes.

  • Get your trip off to a stress-free start by staying near PDX. Whether you're taking an early flight from Portland International Airport to Louisville International Airport-Standiford Field or just don't like being rushed, these hotels are perfect:

Arriving at Louisville International Airport-Standiford Field (SDF)

Getting from Louisville International Airport-Standiford Field (SDF) to central Louisville

  • SDF is located at 600 Terminal Drive.

  • Louisville International Airport-Standiford Field to the centre of Louisville has a drive time of about 25 minutes. It's approximately 23 kilometres away.

  • It'll take around 2 hours 40 minutes if you're travelling on public transport.

When to fly to Louisville International Airport-Standiford Field (SDF)

  • It's time to plan your trip dates for your flight from Portland International Airport to Louisville International Airport-Standiford Field. July is the most popular month to visit Louisville. If you like a more low-key vibe, go in March.

  • Lock in your flight from Portland International Airport to Louisville International Airport-Standiford Field for July if you want to go to Louisville during its warmest month. Expect temperatures of between 17ºC and 33ºC.

  • If you want to travel in cooler conditions, search for a cheap ticket from PDX to SDF in January. Average temperatures are between -8ºC and 9ºC then.

Explore more of United States

  • You've seen Louisville, now it's time to discover other corners of United States. Travel about 434 kilometres north-west to Chicago to check off its top attractions. From Millennium Park to Art Institute of Chicago and LandShark Beer Garden at Navy Pier, your itinerary will be busy.

  • Around 290 kilometres north-east of Louisville, Columbus is another essential stop in United States. Experience major highlights starting with Franklin Park Conservatory and Botanical Gardens, Ohio Statehouse and German Village.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.