Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Louisville to Portland, Maine from $297

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Louisville to Portland, Maine departing on 3/25. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Deals available from 900+ travel sites.

Save money when you book flights with momondo
Big names and deals
Big names and deals
Search 100s of travel sites to compare prices.
Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customize your results.
Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.
Price Alerts
Price Alerts
Not ready to book? to track prices.

Find the cheapest flights from Louisville to Portland

Cheap round-trip flights

These are some of the best round-trip flight deals from Louisville to Portland that have been recently found on momondo from popular airlines, departing in the coming months.
6:04 pm - 10:44 pmSDF-PWM
4h 40m1 stop
2:21 pm - 9:59 pmPWM-SDF
7h 38m1 stop
$297American Airlines
Find Deal
mar., mar. 25 - mar., abr. 1
2:15 pm - 11:47 pmSDF-PWM
9h 32m2 stops
4:15 pm - 10:30 pmPWM-SDF
6h 15m1 stop
$302United Airlines
Find Deal
mar., mar. 25 - mar., abr. 1
6:00 am - 3:49 pmSDF-PWM
9h 49m2 stops
12:25 pm - 11:57 pmPWM-SDF
11h 32m2 stops
$307Delta
Find Deal
mar., mar. 25 - mar., abr. 1
10:52 am - 11:59 pmSDF-PWM
13h 07m1 stop
5:14 am - 7:01 pmPWM-SDF
13h 47m1 stop
$347American Airlines
Find Deal
mié., jul. 23 - mié., jul. 30
6:11 am - 4:48 pmSDF-PWM
10h 37m1 stop
12:29 pm - 9:49 pmPWM-SDF
9h 20m1 stop
$352American Airlines
Find Deal
sáb., ago. 23 - mié., ago. 27
6:00 am - 11:39 amSDF-PWM
5h 39m1 stop
6:00 am - 11:34 amPWM-SDF
5h 34m1 stop
$367Delta
Find Deal
mar., jun. 10 - mar., jun. 17
6:15 am - 11:05 amSDF-PWM
4h 50m1 stop
4:40 pm - 11:15 pmPWM-SDF
6h 35m1 stop
$369Southwest
Find Deal
jue., abr. 24 - lun., abr. 28
5:50 am - 4:05 pmSDF-PWM
10h 15m2 stops
5:50 am - 3:15 pmPWM-SDF
9h 25m2 stops
$377Southwest
Find Deal
sáb., ago. 23 - mié., ago. 27
10:00 am - 6:25 pmSDF-PWM
8h 25m2 stops
5:40 am - 10:16 amPWM-SDF
4h 36m1 stop
$442United Airlines
Find Deal
sáb., jul. 5 - jue., jul. 10
1:56 pm - 2:29 pmSDF-PWM
24h 33m2 stops
6:18 pm - 8:52 amPWM-SDF
38h 34m3 stops
$1,274Breeze Airways
Find Deal
mié., jul. 23 - mié., jul. 30

American Airlines flights from Louisville to Portland, Maine

Our best American Airlines deals on Louisville to Portland, Maine flight tickets
American Airlines
Mar 25
SDF6:04 pmLouisville Intl
4h 40m
1 stop
PWM10:44 pmPortland
Apr 1
PWM2:21 pmPortland
7h 38m
1 stop
SDF9:59 pmLouisville Intl
American Airlines
Jul 23
SDF10:52 amLouisville Intl
13h 07m
1 stop
PWM11:59 pmPortland
Jul 30
PWM5:14 amPortland
13h 47m
1 stop
SDF7:01 pmLouisville Intl
American Airlines
Aug 23
SDF6:11 amLouisville Intl
10h 37m
1 stop
PWM4:48 pmPortland
Aug 27
PWM12:29 pmPortland
9h 20m
1 stop
SDF9:49 pmLouisville Intl

United Airlines flights from Louisville to Portland, Maine

Our best United Airlines deals on Louisville to Portland, Maine flight tickets
United Airlines
Mar 25
SDF2:15 pmLouisville Intl
9h 32m
2 stops
PWM11:47 pmPortland
Apr 1
PWM4:15 pmPortland
6h 15m
1 stop
SDF10:30 pmLouisville Intl
United Airlines
Jul 5
SDF10:00 amLouisville Intl
8h 25m
2 stops
PWM6:25 pmPortland
Jul 10
PWM5:40 amPortland
4h 36m
1 stop
SDF10:16 amLouisville Intl
United Airlines
Aug 5
SDF6:25 amLouisville Intl
7h 58m
2 stops
PWM2:23 pmPortland
Aug 10
PWM5:40 amPortland
4h 36m
1 stop
SDF10:16 amLouisville Intl

See travel insights to Portland from

How to get the cheapest flight ticket from Louisville to Portland, Maine

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to Portland, Maine?

On average, the least expensive day to fly to Portland, Maine from Louisville is on a Monday. momondo users have found tickets for Monday departures for as low as $377. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Wednesday is the most expensive day to depart from Louisville because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $455.

What is the cheapest time of day to depart on your flight to Portland, Maine?

In the evening is the cheapest time of day to fly from Louisville to Portland, Maine when you can find flight prices for as low as $332. Flying to Portland, Maine in the evening is an ideal time because this is during off-peak travel hours. Try not to purchase tickets in the afternoon because they tend to be around $441. Of course, these prices can vary depending on the time of year and what airport you fly to.

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

You are more likely to see cheaper flights to Portland, Maine from Louisville when booking 15 weeks ahead of your departure date. In general, you can expect to find flights to Portland, Maine for around $442 when searching 15 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Portland, Maine from Louisville for as low as $285 on momondo.

How have Louisville to Portland, Maine flight prices changed over time?

As of February 2025, prices for Louisville to Portland, Maine flights are approximately 16% cheaper when compared to flights at the same time last year.

When to book flights from Louisville to Portland, Maine

Are you open to changing your travel dates? Check out the ideal times to fly from Louisville to Portland, Maine according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Louisville to Portland, Maine (SDF to PWM) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Louisville to Portland, Maine

Best Price Found

$324

Fastest flight time

4h 10m

Direct flights

None

Airports in Portland, Maine

1 airport
The best one-way flight to Portland, Maine from Louisville in the past 72 hours is $324. The best round-trip flight deal from Louisville to Portland, Maine found on momondo in the last 72 hours is $297.
The fastest flight from Louisville to Portland, Maine takes 4h 10m
There are no direct flights from Louisville to Portland, Maine. Popular non-direct route for this connection is Louisville Intl Airport - Portland Airport.
There is 1 airport near Portland, Maine: Portland (PWM)

  • How far is Louisville Intl to Portland by plane?

    A flight from Louisville Intl to Portland will travel around 888.5 mi. In terms of flight time, this usually takes a little over 4h 10m.

  • When did momondo last update prices for flights from Louisville Intl Airport to Portland Airport?

    Prices for flights from Louisville Intl Airport to Portland Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Louisville Intl Airport to Portland Airport?

  • How old do you have to be to fly from Louisville Intl Airport to Portland Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Louisville Intl Airport to Portland Airport.

  • What documentation or ID do you need to fly to Portland Airport?

    The travel and health documents you'll need for your trip to Portland Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Portland Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Louisville to Portland, Maine?


Best airlines flying from Louisville to Portland, Maine

Compare and see reviews for airlines that fly from Louisville to Portland, Maine with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $280Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
DeltaPriceFrom $296Free CancellationRating
8.0
8,165 reviews
Search Delta flights
SouthwestPriceFrom $347Free CancellationRating
8.1
4,374 reviews
Search Southwest flights
United AirlinesPriceFrom $370Free CancellationRating
7.4
8,733 reviews
Search United Airlines flights

Traveling to a place near Portland?

Book flights to Portland if you plan to visit one of these locations
North Conway
Jackson
Boothbay Harbor
Freeport
Bartlett
Gorham
Lewiston
Conway
Brunswick
Auburn
Intervale
Windham
Bath
Falmouth
Oxford
Tamworth
Georgetown

Why use momondo?

Why should I use momondo to find a flight deal from Louisville to Portland?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Louisville to Portland. momondo saves you time and could save you money on your trip.

Can I find flights from Louisville to Portland with flexible booking policies on momondo?

Flights from Louisville to Portland with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Louisville to Portland?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Portland from Louisville.

I’m not ready to book a flight from Louisville to Portland right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Portland, momondo offers a useful price alert feature which will track prices for flights to Portland from Louisville and alert you when they change.


An easier way to manage your Portland, Maine trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
From?
To?
dom. 3/2
dom. 3/9

Find better results for your trip to the United States