PWM - SDF

$152 Find Cheap Flights from Portland to Louisville - Compare and Save

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Portland to Louisville departing on 9/1. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$277
Typical prices: $357-$626
United Airlines
Wed 9/23Tue 9/29
PWM - SDF • 1 stop
Cheapest one-way
$152
Typical prices: $238-$401
Breeze Airways
Tue 9/1
PWM - SDF • 2 stops
Nonstop flights
Not available
There are currently no direct flights between Portland and Louisville. You'll need at least 1 connection.
Insights
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Top layover airports
Atlanta (ATL)
Cheapest • Avg $382 (round-trip)
Baltimore (BWI)
Shortest trip • 4h 24m (one-way)
Insights
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When to travel
January
Cheapest • 100% price drop
August
Most popular
Good to know
Good to know
+1
+1
Good to know
Good to know
+1
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We hope you love your trip to Louisville!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Portland to Louisville (PWM-SDF)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Portland to Louisville that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Portland to Louisville

Wed, Sep 23 - Tue, Sep 29
United Airlines Logo
5:15 am - 10:18 amPWM  Portland-SDF Louisville Intl
5h 03m1 stop Washington, D.C. Dulles Intl
United Airlines Logo
7:00 am - 2:38 pmSDF  Louisville Intl-PWM Portland
7h 38m1 stop Chicago O'Hare Intl
$277United Airlines
Wed, Sep 23 - Tue, Sep 29
American Airlines Logo
6:00 pm - 10:55 pmPWM  Portland-SDF Louisville Intl
4h 55m1 stop Philadelphia
American Airlines Logo
5:59 pm - 11:47 pmSDF  Louisville Intl-PWM Portland
5h 48m1 stop Chicago O'Hare Intl
$299American Airlines
Thu, Oct 22 - Mon, Oct 26
Breeze Airways Logo
3:10 pm - 9:45 amPWM  Portland-SDF Louisville Intl
18h 35m1 stop Pittsburgh
Breeze Airways Logo
9:22 pm - 10:51 amSDF  Louisville Intl-PWM Portland
13h 29m1 stop Fort Myers SW Florida Intl
$303Breeze Airways
Wed, Sep 23 - Tue, Sep 29
American Airlines Logo
6:00 pm - 10:55 pmPWM  Portland-SDF Louisville Intl
4h 55m1 stop Philadelphia
American Airlines Logo
5:59 pm - 11:47 pmSDF  Louisville Intl-PWM Portland
5h 48m1 stop Chicago O'Hare Intl
$325American Airlines
Tue, Sep 15 - Tue, Sep 22
American Airlines Logo
6:00 pm - 10:55 pmPWM  Portland-SDF Louisville Intl
4h 55m1 stop Philadelphia
American Airlines Logo
5:59 pm - 11:47 pmSDF  Louisville Intl-PWM Portland
5h 48m1 stop Chicago O'Hare Intl
$325American Airlines
Tue, Jan 5 - Wed, Jan 6
United Airlines Logo
3:15 pm - 11:15 pmPWM  Portland-SDF Louisville Intl
8h 00m1 stop Newark
United Airlines Logo
8:45 am - 1:38 pmSDF  Louisville Intl-PWM Portland
4h 53m1 stop Newark
$335United Airlines
Thu, Feb 4 - Mon, Feb 8
United Airlines Logo
4:48 pm - 11:55 pmPWM  Portland-SDF Louisville Intl
7h 07m1 stop Chicago O'Hare Intl
United Airlines Logo
11:00 am - 10:57 pmSDF  Louisville Intl-PWM Portland
11h 57m2 stops Chicago O'Hare Intl Newark
$340United Airlines
Thu, Oct 22 - Mon, Oct 26
Southwest Logo
1:05 pm - 9:05 pmPWM  Portland-SDF Louisville Intl
8h 00m2 stops Nashville Intl Chicago Midway
Southwest Logo
5:35 am - 12:25 pmSDF  Louisville Intl-PWM Portland
6h 50m1 stop Baltimore/Washington
$363Southwest
Tue, Sep 29 - Thu, Oct 1
Southwest Logo
5:45 am - 3:15 pmPWM  Portland-SDF Louisville Intl
9h 30m2 stops Baltimore/Washington Chicago Midway
Southwest Logo
3:35 pm - 11:55 pmSDF  Louisville Intl-PWM Portland
8h 20m2 stops Chicago Midway Baltimore/Washington
$366Southwest
Fri, Aug 28 - Sun, Aug 30
Breeze Airways Logo
3:51 pm - 8:06 pmPWM  Portland-SDF Louisville Intl
28h 15m2 stops Columbus Raleigh-Durham
Breeze Airways Logo
6:55 pm - 2:09 pmSDF  Louisville Intl-PWM Portland
19h 14m3 stops Pittsburgh Raleigh-Durham Columbus
$654Breeze Airways
Booking Insights

KAYAK's insights & trends for Portland to Louisville flights

Get data-powered insights and trends into flights from Portland to Louisville to help you find the cheapest flights, the best time to fly and much more.

How much is a round-trip flight from Portland, Maine to Louisville?

This analysis is based on the cheapest round-trip price found on KAYAK in the last 12 months by searching for a flight from Portland, Maine to Louisville departing in September.

Flight prices are below average for this route right now.

Flights to Louisville from Portland, Maine usually cost between $426 and $588 in September.
The lowest price found in the past 5 days was $277 on United Airlines (Sep 23-Sep 29).

What is the cheapest month to fly from Portland to Louisville?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Portland to Louisville, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Portland to Louisville is January, where tickets cost $0 (return) on average. On the other hand, the most expensive months are August and December, where the average cost of round-trip tickets is $552 and $482 respectively.

Find deals

Good to know

Low season

November

Cheapest flight

$152
Best time to beat the crowds with an average 17% drop in price.
Most popular time to fly with an average 22% increase in price.
Flight from Portland to Louisville

When to book flights from Portland to Louisville

Are your dates flexible? Find out the best times to travel from Portland to Louisville based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking flights from Portland to Louisville

  • What is the cheapest flight from Portland to Louisville?

    In the last 5 days, the lowest price for a flight from Portland to Louisville was $152 for a one-way ticket and $277 for a round-trip.

  • Do I need a passport to fly between Portland and Louisville?

    Even though you are not required to have a passport, keep in mind that an official ID is needed to board the airplane.

  • Which airports will I be using when flying from Portland to Louisville?

    Portland and Louisville are both served by 1 main airport. You will leave Portland from Portland and will be arriving at Louisville Intl.

  • Which aircraft models fly most regularly from Portland to Louisville?

    We unfortunately don’t have that data for this specific route.

  • Which airline alliances offer flights from Portland to Louisville?

    Star Alliance, SkyTeam, and oneworld are the airline alliances operating flights between Portland and Louisville, with Star Alliance being the most commonly used for this route.

  • Which is the best airline for flights from Portland to Louisville, Southwest or Delta?

    The two airlines most popular with KAYAK users for flights from Portland to Louisville are Southwest and Delta. With an average price for the route of $469 and an overall rating of 8.0, Southwest is the most popular choice. Delta is also a great choice for the route, with an average price of $416 and an overall rating of 7.8.

  • How does KAYAK find such low prices on flights from Portland to Louisville?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Portland to Louisville.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Portland to Louisville?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Louisville from Portland is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Portland to Louisville?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Louisville with an airline and back to Portland with another airline. Booking your flights between Portland and SDF can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Portland to Louisville?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Louisville from Portland up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight from Portland to Louisville

Information on your arrival and departure airports

Portland (PWM)
Louisville (SDF)