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Cheap flights from Portland to Louisville (PWM - SDF) from $256

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/28. 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.
PWM — SDF
May 4 — May 111
From?
To?
Sat 5/4
Sat 5/11
1 adult, Economy
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The best prices from Portland to Louisville Intl are usually found in December or August, booked 26 days in advance, depart on a Saturday or Friday and return on a Tuesday

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 April 29, 2024.

Popular in

November

Cheapest in

December

Average price

$522

Round-trip from

$287
High demand for flights, 44% potential price rise
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Best time to find cheap flights, 25% potential price drop
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Average for round-trip flights in April 2024
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From Portland to Louisville Intl
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What is the cheapest day to fly round-trip from Portland, Maine to Louisville?

Leaving on a Friday is a viable option for saving on travel. Heavily demanded days of the week can typically drive up the prices you see. Booking your travel for a less competitive day can save up to 50% on the overall cost on flights from Portland, Maine to Louisville.

How far in advance should I book a flight from Portland, Maine to Louisville?

Find a great deal and save up to 202% by booking at least 27 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from Portland, Maine to Louisville within the next two weeks, with the cheapest ticket starting at $465.

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

Our data shows that December tends to be the cheapest month to fly to Louisville from Portland, Maine. Users have commonly found prices around $478 for the month, but tickets can be as low as $181. Due to multiple factors, prepare for potentially higher prices in November.

When is the cheapest time to fly from Portland, Maine to Louisville (PWM - SDF)?

Unlike at noon, when flights are generally more expensive, you can save up to 28% on flights from Portland, Maine to Louisville by exploring options for tickets in the morning.

Cheap United Airlines flights from Portland to Louisville

Explore cheap flight options specifically provided by United Airlines for the route between Portland and Louisville. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,948,547 searches. Data last updated April 29, 2024.
Take a look at some of the lowest-priced United Airlines flights heading from Portland to Louisville. Make sure to double check the flight details before booking.
Thu 8/224:50 pmPWM - SDF
1 stop5h 25mUnited Airlines
Sat 8/2411:15 amSDF - PWM
1 stop7h 19mUnited Airlines
Deal found 4/27$344
Sat 6/229:45 amPWM - SDF
1 stop4h 55mUnited Airlines
Sat 6/296:00 amSDF - PWM
1 stop17h 53mUnited Airlines
Deal found 4/28$461
Sun 6/235:30 amPWM - SDF
1 stop5h 14mUnited Airlines
Sat 6/296:00 amSDF - PWM
1 stop17h 53mUnited Airlines
Deal found 4/28$471
Fri 5/247:15 pmPWM - SDF
2 stops17h 22mUnited Airlines
Mon 5/276:00 amSDF - PWM
1 stop4h 32mUnited Airlines
Deal found 4/28$527
Sun 8/115:30 amPWM - SDF
1 stop5h 14mUnited Airlines
Thu 8/1511:41 amSDF - PWM
2 stops12h 12mUnited Airlines
Deal found 4/29$591

Cheap Delta flights from Portland to Louisville

Explore cheap flight options specifically provided by Delta for the route between Portland and Louisville. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,948,547 searches. Data last updated April 29, 2024.
Have a look at some of the cheapest available Delta flights departing from Portland and landing in Louisville. Deals frequently update to provide users with more options.
Tue 5/286:27 amPWM - SDF
1 stop5h 16mDelta
Tue 6/46:15 pmSDF - PWM
1 stop5h 29mDelta
Deal found 4/28$256
Tue 5/285:00 amPWM - SDF
2 stops9h 12mDelta
Tue 6/46:15 pmSDF - PWM
1 stop5h 29mDelta
Deal found 4/28$261
Thu 7/45:30 amPWM - SDF
1 stop4h 17mDelta
Mon 7/812:59 pmSDF - PWM
2 stops9h 57mDelta
Deal found 4/28$324
Mon 6/1011:57 amPWM - SDF
1 stop6h 48mDelta
Thu 6/133:31 pmSDF - PWM
2 stops7h 50mDelta
Deal found 4/28$331
Tue 5/286:27 amPWM - SDF
2 stops7h 45mDelta
Tue 6/410:32 amSDF - PWM
2 stops11h 27mDelta
Deal found 4/28$356
Thu 8/225:30 amPWM - SDF
2 stops10h 14mDelta
Sat 8/245:59 pmSDF - PWM
1 stop5h 40mDelta
Deal found 4/28$381
Thu 8/225:30 amPWM - SDF
2 stops10h 14mDelta
Sat 8/2412:40 pmSDF - PWM
2 stops11h 10mDelta
Deal found 4/28$386
Sun 6/235:37 amPWM - SDF
1 stop4h 09mDelta
Fri 6/286:30 pmSDF - PWM
1 stop4h 51mDelta
Deal found 4/28$426
Fri 6/211:40 pmPWM - SDF
1 stop7h 16mDelta
Sat 6/296:30 pmSDF - PWM
1 stop4h 51mDelta
Deal found 4/28$511

Cheap Portland to Louisville flights in April & May 2024

Find cheap flight options from Portland to Louisville specifically for the months of April and May 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,948,547 searches. Prices were last updated on April 29, 2024.
These are some of the best deals we've found on flights to Louisville in 2024 at this time. For more flight deals, be sure to check back very soon.
Tue 5/286:27 amPWM - SDF
1 stop5h 16mDelta
Tue 6/46:15 pmSDF - PWM
1 stop5h 29mDelta
Deal found 4/28$256
Tue 5/285:00 amPWM - SDF
2 stops9h 12mDelta
Tue 6/46:15 pmSDF - PWM
1 stop5h 29mDelta
Deal found 4/28$261
Tue 5/286:27 amPWM - SDF
2 stops7h 45mDelta
Tue 6/410:32 amSDF - PWM
2 stops11h 27mDelta
Deal found 4/28$356
Fri 5/2412:35 pmPWM - SDF
1 stop9h 22mAmerican Airlines
Mon 5/277:49 amSDF - PWM
1 stop6h 10mAmerican Airlines
Deal found 4/28$448
Mon 5/612:59 pmPWM - SDF
1 stop4h 40mAmerican Airlines
Fri 5/107:49 amSDF - PWM
1 stop6h 10mAmerican Airlines
Deal found 4/28$514
Fri 5/247:15 pmPWM - SDF
2 stops17h 22mUnited Airlines
Mon 5/276:00 amSDF - PWM
1 stop4h 32mUnited Airlines
Deal found 4/28$527
Fri 5/31:10 pmPWM - SDF
1 stop4h 32mAmerican Airlines
Mon 5/66:09 pmSDF - PWM
1 stop4h 32mAmerican Airlines
Deal found 4/28$672
Fri 5/35:20 pmPWM - SDF
2 stops20h 07mAmerican Airlines
Mon 5/66:09 pmSDF - PWM
1 stop4h 32mAmerican Airlines
Deal found 4/28$729
Mon 5/612:59 pmPWM - SDF
2 stops8h 58mAmerican Airlines
Fri 5/107:49 amSDF - PWM
1 stop3h 59mAmerican Airlines
Deal found 4/28$746

Portland to Louisville 2024 flight deals

Discover exclusive flight deals for travel between Portland and Louisville in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,948,547 searches. Data last updated April 29, 2024.
These are some of the best deals we've found on flights to Louisville in 2024 at this time. For more flight deals, be sure to check back very soon.
Tue 5/286:27 amPWM - SDF
1 stop5h 16mDelta
Tue 6/46:15 pmSDF - PWM
1 stop5h 29mDelta
Deal found 4/28$256
Tue 5/285:00 amPWM - SDF
2 stops9h 12mDelta
Tue 6/46:15 pmSDF - PWM
1 stop5h 29mDelta
Deal found 4/28$261
Thu 7/47:42 amPWM - SDF
1 stop7h 01mAmerican Airlines
Mon 7/85:36 pmSDF - PWM
1 stop6h 10mAmerican Airlines
Deal found 4/28$286
Fri 8/23:59 pmPWM - SDF
1 stop7h 54mAmerican Airlines
Mon 8/55:36 pmSDF - PWM
1 stop6h 10mAmerican Airlines
Deal found 4/28$303
Mon 6/104:00 pmPWM - SDF
1 stop6h 07mAmerican Airlines
Thu 6/138:16 pmSDF - PWM
1 stop4h 36mAmerican Airlines
Deal found 4/28$323
Thu 7/45:30 amPWM - SDF
1 stop4h 17mDelta
Mon 7/812:59 pmSDF - PWM
2 stops9h 57mDelta
Deal found 4/28$324
Mon 6/1011:57 amPWM - SDF
1 stop6h 48mDelta
Thu 6/133:31 pmSDF - PWM
2 stops7h 50mDelta
Deal found 4/28$331
Fri 6/71:05 pmPWM - SDF
1 stop6h 26mAmerican Airlines
Sun 6/96:20 amSDF - PWM
1 stop5h 54mAmerican Airlines
Deal found 4/28$333
Thu 8/224:50 pmPWM - SDF
1 stop5h 25mUnited Airlines
Sat 8/2411:15 amSDF - PWM
1 stop7h 19mUnited Airlines
Deal found 4/27$344

Portland to Louisville flights leaving soon

Find last-minute flight options from Portland to Louisville for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 2,948,547 searches. Data last updated April 29, 2024.
Book one of these great deals on flights from Portland to Louisville. Tip: verify your flight details before completing your reservation.
Mon 5/612:59 pmPWM - SDF
1 stop4h 40mAmerican Airlines
Fri 5/107:49 amSDF - PWM
1 stop6h 10mAmerican Airlines
Deal found 4/28$514
Mon 5/612:59 pmPWM - SDF
2 stops8h 58mAmerican Airlines
Fri 5/107:49 amSDF - PWM
1 stop3h 59mAmerican Airlines
Deal found 4/28$746

Find flights from Portland to Louisville within your budget

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 2,948,547 searches. Data last updated April 29, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$256 - $344

Route

Depart

Return

Price

PortlandLouisville Intl

PWM - SDF

PWMSDF

Portland

Tue 5/28

1 stop5h 16m

Louisville Intl

Tue 6/4

1 stop5h 29m

$256

PortlandLouisville Intl

PWM - SDF

PWMSDF

Portland

Tue 5/28

2 stops9h 12m

Louisville Intl

Tue 6/4

1 stop5h 29m

$261

PortlandLouisville Intl

PWM - SDF

PWMSDF

Portland

Thu 7/4

1 stop7h 01m

Louisville Intl

Mon 7/8

1 stop6h 10m

$286

PortlandLouisville Intl

PWM - SDF

PWMSDF

Portland

Fri 8/2

1 stop7h 54m

Louisville Intl

Mon 8/5

1 stop6h 10m

$303

PortlandLouisville Intl

PWM - SDF

PWMSDF

Portland

Mon 6/10

1 stop6h 07m

Louisville Intl

Thu 6/13

1 stop4h 36m

$323

PortlandLouisville Intl

PWM - SDF

PWMSDF

Portland

Thu 7/4

1 stop4h 17m

Louisville Intl

Mon 7/8

2 stops9h 57m

$324

PortlandLouisville Intl

PWM - SDF

PWMSDF

Portland

Mon 6/10

1 stop6h 48m

Louisville Intl

Thu 6/13

2 stops7h 50m

$331

PortlandLouisville Intl

PWM - SDF

PWMSDF

Portland

Fri 6/7

1 stop6h 26m

Louisville Intl

Sun 6/9

1 stop5h 54m

$333

PortlandLouisville Intl

PWM - SDF

PWMSDF

Portland

Thu 8/22

1 stop5h 25m

Louisville Intl

Sat 8/24

1 stop7h 19m

$344

Flights are sorted by cheapest first

Deals found on 4/28

When is the best time to book a flight from Portland, Maine to Louisville?

Use this chart to determine the optimal time to book a round-trip flight from Portland to Louisville. Price data was last updated on January 28, 2024.
Booking 26 days in advance of your planned departure date is, on average, the best time to get cheap flights from Portland, Maine to Louisville. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
Search Deals

When is the cheapest time to fly from Portland, Maine to Louisville?

Use this chart to determine the cheapest time to fly round-trip from Portland to Louisville. Price data was last updated on April 28, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Portland, Maine to Louisville flight should consider departing on Tuesday mornings when fares are most often at their lowest. Tuesday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
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Average price of flights to Louisville by month

Plan your trip from Portland to Louisville by taking into account the cheapest months to travel. The average price of a one-way flight from Portland to Louisville is currently $0 while a round-trip flight costs $307. Price data was last updated on April 21, 2024.

Currently, January is the cheapest month in which you can book a flight from Portland, Maine to Louisville (average of $287). Flying from Portland, Maine to Louisville in April is currently the most expensive (average of $368). 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.

January

$287

February

$332

March

$359

April

$368

May

$347

June

$357

July

$346

August

$303

September

$302

October

$328

November

$337

December

$316

Temperature and rainfall in Louisville by month

Plan your trip to Louisville by taking into account the average temperature and rainfall totals by month.

SDF

Temperature

35.6 - 78.8 °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 April 29, 2024.
See what other customers who have flown with United Airlines, Delta and American Airlines from Portland to Louisville have to say. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.1
Very good
10,913 reviews
Check prices

Entertainment

8.0

Comfort

7.9

Boarding

8.2

Food

7.4

Overall

8.1

Crew

8.6

Reviews

1 / 10

Terrible flight crew that skipped our row for service multiple times.

Delta
8.1
Very good
10,913 reviews
Delta
8.1
Very good
10,913 reviews
Check prices

Entertainment

8.0

Comfort

7.9

Boarding

8.2

Food

7.4

Overall

8.1

Crew

8.6

Reviews

1 / 10

Terrible flight crew that skipped our row for service multiple times.

United Airlines
7.4
Good
11,202 reviews
Delta
8.1
Very good
10,913 reviews
Check prices

Entertainment

8.0

Comfort

7.9

Boarding

8.2

Food

7.4

Overall

8.1

Crew

8.6

Reviews

1 / 10

Terrible flight crew that skipped our row for service multiple times.

American Airlines
7.3
Good
14,834 reviews
Delta
8.1
Very good
10,913 reviews
Check prices

Entertainment

8.0

Comfort

7.9

Boarding

8.2

Food

7.4

Overall

8.1

Crew

8.6

Reviews

1 / 10

Terrible flight crew that skipped our row for service multiple times.

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.

  • Can I find flights from Portland, Maine to Louisville for under $300 on Cheapflights?

    Yes, there are multiple flights from Portland, Maine to Louisville for under $300. The cheapest flight booked recently is on Delta for just $256, but on average you can expect to pay $386.

  • Are there last-minute flights available from Portland, Maine to Louisville for under $600?

    There are currently 2+ open flights from Portland, Maine to Louisville within the next 7 days for less than $600.

  • What are the cheapest airlines flying from Portland, Maine to Louisville round-trip?

    Cheapflights users have booked flights from Portland, Maine to Louisville round-trip from $256. Other airlines that can offer you cheap pricing are American Airlines, from $286, and United Airlines, from $344. Delta is 46% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the most popular airlines that fly from Portland, Maine to Louisville?

    The most popular airlines flying from Portland, Maine to Louisville are American Airlines, Delta and United Airlines. Something to consider prior to booking your flight.

  • What does PWM to SDF mean?

    This is defined as Portland Airport (PWM) and Louisville Intl Airport (SDF). Codes like Louisville Intl Airport are often used to just call airports uniquely.

  • Can I find deals for flights from Portland to Louisville that include extra baggage allowance?

    The amount of baggage you can bring on your Portland to Louisville flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Portland to Louisville with specific airlines?

    Yes, Cheapflights allows you to browse and filter Portland to Louisville flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • Can I find deals for flights from Portland to Louisville that include hotel bookings?

    Yes. In addition to deals on Portland to Louisville flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Portland to Louisville?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Portland to Louisville.

  • Can I find deals for business class flights from Portland to Louisville?

    Yes. Cheapflights offers flight deals from Portland to Louisville by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • Can I find deals for flights from Portland to Louisville that allow pets onboard?

    Many airlines flying from Portland to Louisville offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Portland to Louisville?

    Yes, you can often find last-minute deals on Portland to Louisville flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Portland, Maine to Louisville flight deals updated?

    The Portland, Maine to Louisville flight deals you see on this page were last updated on 4/28.

See more FAQs

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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.

Portland to Lexington flights
Bangor to Louisville flights

Top 3 airlines flying from Portland to Louisville

Discover the top 3 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 2,948,547 searches. Data last updated April 29, 2024.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$299Average$553FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
DeltaCheapest$299Average$387FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
American AirlinesCheapest$323Average$466FlexibilityNo cancel feeOn-time71%
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Search flights from Portland to Louisville by cabin class

Find flights from Portland to Louisville, based on your preferred cabin class, be it economy, premium economy, business, or first class.
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Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Portland to Louisville?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Portland to Louisville. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from Portland to Louisville?

Millions of users choose and trust Cheapflights to book the best flight deals from Portland to Louisville for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from Portland to Louisville with no change fees?

Need flexible booking options for your flight to Louisville from Portland? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Portland to Louisville become cheaper?

Yes! Start tracking prices for Portland to Louisville flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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