$135+ Cheap flights from Portland, ME to Louisville (PWM - SDF)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/2. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — SDF
May 24 — May 311
1 adult, Economy
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Find cheap flights from Portland to Louisville with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Portland to Louisville
Discover tips and strategies to find the most affordable flight options for your journey from Portland (PWM) to Louisville (SDF). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated May 19, 2025.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | eDreams 3 stars |
Round-trip from | $297 (Southwest) |
One-way from | $135 (American Airlines) |
Popular in | July |
Cheapest in | June |
Average price | $418 |
Find flight deals from Portland to Louisville
Cheapest flights from Portland to LouisvilleExplore the most affordable flight options available from Portland to Louisville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 19, 2025.
Explore the most affordable flight options available from Portland to Louisville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 19, 2025.
This Southwest deal was found by Cheapflights users on 5/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/176:55 pmPWM - SDF
1 stop5h 00mSouthwest
Tue 6/246:00 pmSDF - PWM
1 stop5h 25mSouthwest
Deal found 5/18![Southwest logo]()
$297
This Delta deal was found by Cheapflights users on 5/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/171:59 pmPWM - SDF
2 stops7h 21mDelta
Tue 6/244:39 pmSDF - PWM
1 stop6h 51mDelta
Deal found 5/18![Delta logo]()
$302
This American Airlines deal was found by Cheapflights users on 5/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/85:18 pmPWM - SDF
1 stop6h 27mAmerican Airlines
Wed 9/106:34 amSDF - PWM
1 stop9h 59mAmerican Airlines
Deal found 5/18![American Airlines logo]()
$312
This United Airlines deal was found by Cheapflights users on 5/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/185:40 amPWM - SDF
1 stop4h 36mUnited Airlines
Tue 6/246:00 amSDF - PWM
2 stops7h 20mUnited Airlines
Deal found 5/18![United Airlines logo]()
$434
This Mytrip deal was found by Cheapflights users on 5/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/171:50 pmPWM - SDF
2 stops33h 48mMultiple Airlines
Tue 6/245:03 amSDF - PWM
3 stops38h 24mMultiple Airlines
Deal found 5/18![Multiple Airlines logo]()
$576
This KAYAK deal was found by Cheapflights users on 5/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/186:23 pmPWM - SDF
2 stops25h 41mBreeze Airways
Sun 6/228:44 pmSDF - PWM
3 stops17h 23mBreeze Airways
Deal found 5/18![Breeze Airways logo]()
$723
Cheapflights Fare Finder
Customize your flight search to find flights from Portland to Louisville that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated May 19, 2025.
Use the filters below to find and compare flights from Portland to Louisville that are best for you.
Fly from
Portland
Fly to
Louisville
Route
Depart
Return
Price
PortlandLouisville
PWM - SDF
PWMSDF
Portland
Tue 6/17
6:55 pm-11:55 pm
1 stop5h 00m
Louisville Intl
Tue 6/24
6:00 pm-11:25 pm
1 stop5h 25m
$297
PortlandLouisville
PWM - SDF
PWMSDF
Portland
Tue 6/17
1:59 pm-9:20 pm
2 stops7h 21m
Louisville Intl
Tue 6/24
4:39 pm-11:30 pm
1 stop6h 51m
$302
PortlandLouisville
PWM - SDF
PWMSDF
Portland
Mon 9/8
5:18 pm-11:45 pm
1 stop6h 27m
Louisville Intl
Wed 9/10
6:34 am-4:33 pm
1 stop9h 59m
$312
PortlandLouisville
PWM - SDF
PWMSDF
Portland
Wed 6/18
5:40 am-10:16 am
1 stop4h 36m
Louisville Intl
Tue 6/24
6:00 am-1:20 pm
2 stops7h 20m
$434
PortlandLouisville
PWM - SDF
PWMSDF
Portland
Tue 6/17
1:50 pm-11:38 pm
2 stops33h 48m
Louisville Intl
Tue 6/24
5:03 am-7:27 pm
3 stops38h 24m
$576
PortlandLouisville
PWM - SDF
PWMSDF
Portland
Wed 6/18
6:23 pm-8:04 pm
2 stops25h 41m
Louisville Intl
Sun 6/22
8:44 pm-2:07 pm
3 stops17h 23m
$723
PortlandLouisville
PWM - SDF
PWMSDF
Portland
Wed 7/2
6:00 am-6:11 pm
1 stop12h 11m
$135
PortlandLouisville
PWM - SDF
PWMSDF
Portland
Thu 7/3
6:03 am-2:19 pm
2 stops8h 16m
$141
PortlandLouisville
PWM - SDF
PWMSDF
Portland
Mon 6/2
11:50 am-12:03 pm
1 stop24h 13m
$202
PortlandLouisville
PWM - SDF
PWMSDF
Portland
Mon 6/2
4:40 pm-11:10 pm
2 stops6h 30m
$219
Showing 1-10 of 11 results
Compare providers for flights from Portland to Louisville
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Portland to Louisville in May.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*2 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Portland, Maine-Louisville flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Portland, Maine-Louisville flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Portland, Maine-Louisville flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Portland, Maine-Louisville flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Portland, Maine-Louisville flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Portland to Louisville
Have a flexible travel schedule? Discover the best time to fly to Louisville from Portland with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Portland to Louisville
What is the cheapest month to book a flight from Portland, Maine to Louisville?
Currently, January is the cheapest month in which you can book a flight from Portland, Maine to Louisville (average of $299). Flying from Portland, Maine to Louisville in April is currently the most expensive (average of $369). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
Rainfall in Louisville by month
Plan your trip to Louisville by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in Louisville ranges from 3.1 - 5.3 inches per month. May is typically the wettest month, when rainfall can reach 5.3 in. September is typically the driest time to visit Louisville when rainfall is around 3.1 in.
Temperature in Louisville by month
Plan your trip to Louisville by taking into account the average temperature totals by month.
If weather is an important factor for your trip to Louisville, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 78.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).
Reviews of airlines servicing Louisville
Get insights into the airlines that provide service to Louisville. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Louisville. Reviews last updated May 19, 2025.
See what other customers who have flown with Breeze Airways, Southwest and Delta from Portland to Louisville have to say. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Comfort
8.2
Boarding
8.3
Overall
8.1
Food
6.7
Crew
8.8
Entertainment
6.6
Reviews
1 / 11
10.0
ExcellentDena,Dec 2024
LAS - BDL
Comfort
8.2
Boarding
8.3
Overall
8.1
Food
6.7
Crew
8.8
Entertainment
6.6
Reviews
1 / 11
10.0
ExcellentDena,Dec 2024
LAS - BDL
Comfort
8.2
Boarding
8.3
Overall
8.1
Food
6.7
Crew
8.8
Entertainment
6.6
Reviews
1 / 11
10.0
ExcellentDena,Dec 2024
LAS - BDL
Comfort
8.2
Boarding
8.3
Overall
8.1
Food
6.7
Crew
8.8
Entertainment
6.6
Reviews
1 / 11
10.0
ExcellentDena,Dec 2024
LAS - BDL
Comfort
8.2
Boarding
8.3
Overall
8.1
Food
6.7
Crew
8.8
Entertainment
6.6
Reviews
1 / 11
10.0
ExcellentDena,Dec 2024
LAS - BDL
Comfort
8.2
Boarding
8.3
Overall
8.1
Food
6.7
Crew
8.8
Entertainment
6.6
Reviews
1 / 11
10.0
ExcellentDena,Dec 2024
LAS - BDL
Related info for your journey
Find useful and relevant information for your journey from Portland to Louisville. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Portland?
Book flights to Portland if you plan to visit one of these locationsJeffersonville
Corydon
Elizabethtown
Bardstown
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Alternative routes for Portland to Louisville
See prices for flight routes from nearby airports that may be better suited for you.
Top 4 airlines flying from Portland to Louisville
Discover the top 4 airlines that operate flights from Portland to Louisville. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated May 19, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$263 | Average$382 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$283 | Average$375 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$291 | Average$417 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$296 | Average$457 | FlexibilityNo cancel fee | On-time69% |