$158+ Cheap flights from Louisville to Buffalo (SDF - BUF)
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 10/28. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — BUF
Oct 11 — Oct 181
Round-trip
1 adult, Economy
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Find cheap flights from Louisville to Buffalo 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 Louisville to Buffalo
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Cheapest flights from Louisville to BuffaloExplore the most affordable flight options available from Louisville to Buffalo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2026.
Explore the most affordable flight options available from Louisville to Buffalo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2026.
This United Airlines deal was found by Cheapflights users on 9/8. 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.
Mon 11/166:18 pm -
1 stop4h 41m
Wed 11/182:55 pm -
1 stop4h 35m
Deal found 9/8![United Airlines logo]()
$315
This Southwest deal was found by Cheapflights users on 9/8. 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.
Mon 11/163:50 pm -
2 stops6h 05m
Wed 11/1812:45 pm -
2 stops7h 50m
Deal found 9/8![Southwest logo]()
$351
This Southwest deal was found by Cheapflights users on 9/9. 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.
Thu 10/85:40 pm -
1 stop5h 30m
Thu 10/155:45 pm -
1 stop6h 30m
Deal found 9/9![Southwest logo]()
$366
This Delta deal was found by Cheapflights users on 9/9. 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.
Fri 10/165:59 pm -
1 stop5h 00m
Sun 10/186:15 am -
1 stop3h 44m
Deal found 9/9![Delta logo]()
$377
This United Airlines deal was found by Cheapflights users on 9/10. 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 10/287:00 am -
1 stop6h 16m
Thu 10/296:00 am -
1 stop7h 03m
Deal found 9/10![United Airlines logo]()
$385
This Southwest deal was found by Cheapflights users on 9/6. 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.
Fri 10/235:40 pm -
1 stop5h 30m
Mon 10/262:20 pm -
1 stop6h 50m
Deal found 9/6![Southwest logo]()
$391
This Southwest deal was found by Cheapflights users on 9/6. 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.
Fri 11/134:40 pm -
2 stops7h 05m
Sun 11/154:00 pm -
2 stops8h 20m
Deal found 9/6![Southwest logo]()
$401
Best flights from Louisville to BuffaloDiscover carefully curated flight deals from Louisville to Buffalo that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 11, 2026.
Discover carefully curated flight deals from Louisville to Buffalo that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 11, 2026.
This Southwest deal was found by Cheapflights users on 9/9. 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.
Thu 10/85:40 pm -
1 stop5h 30m
Thu 10/155:45 pm -
1 stop6h 30m
Deal found 9/9![Southwest logo]()
$366
This United Airlines deal was found by Cheapflights users on 9/10. 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 10/287:00 am -
1 stop6h 16m
Thu 10/296:00 am -
1 stop7h 03m
Deal found 9/10![United Airlines logo]()
$385
This Southwest deal was found by Cheapflights users on 9/6. 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.
Fri 10/235:40 pm -
1 stop5h 30m
Mon 10/262:20 pm -
1 stop6h 50m
Deal found 9/6![Southwest logo]()
$391
This Southwest deal was found by Cheapflights users on 9/7. 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.
Wed 12/305:10 am -
1 stop5h 50m
Sun 1/36:05 am -
2 stops9h 30m
Deal found 9/7![Southwest logo]()
$420
Last-minute flights from Louisville to BuffaloDiscover last-minute flight deals from Louisville to Buffalo. Data last updated September 11, 2026 and is based on user searches.
Discover last-minute flight deals from Louisville to Buffalo. Data last updated September 11, 2026 and is based on user searches.
This Southwest deal was found by Cheapflights users on 9/9. 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.
Thu 10/85:40 pm -
1 stop5h 30m
Thu 10/155:45 pm -
1 stop6h 30m
Deal found 9/9![Southwest logo]()
$366
This Southwest deal was found by Cheapflights users on 9/6. 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.
Fri 10/96:15 pm -
2 stops5h 30m
Mon 10/125:45 pm -
1 stop6h 30m
Deal found 9/6![Southwest logo]()
$426
This Delta deal was found by Cheapflights users on 9/9. 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.
Fri 10/165:59 pm -
1 stop5h 00m
Sun 10/186:15 am -
1 stop3h 44m
Deal found 9/9![Delta logo]()
$377
This Southwest deal was found by Cheapflights users on 9/9. 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.
Fri 10/163:35 pm -
2 stops8h 10m
Sun 10/185:50 am -
1 stop4h 05m
Deal found 9/9![Southwest logo]()
$410
This Southwest deal was found by Cheapflights users on 9/6. 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.
Fri 10/235:40 pm -
1 stop5h 30m
Mon 10/262:20 pm -
1 stop6h 50m
Deal found 9/6![Southwest logo]()
$391
This United Airlines deal was found by Cheapflights users on 9/10. 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 10/287:00 am -
1 stop6h 16m
Thu 10/296:00 am -
1 stop7h 03m
Deal found 9/10![United Airlines logo]()
$385
One-way flights from Louisville to BuffaloSearch for one-way flight options from Louisville to Buffalo. Find affordable one-way fares based on user searches. Data last updated September 11, 2026.
Search for one-way flight options from Louisville to Buffalo. Find affordable one-way fares based on user searches. Data last updated September 11, 2026.
This United Airlines deal was found by Cheapflights users on 9/9. 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.
Tue 10/277:00 am -
1 stop6h 16m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![United Airlines logo]()
$158
This Southwest deal was found by Cheapflights users on 9/9. 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 10/277:10 am -
2 stops8h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Southwest logo]()
$163
This Delta deal was found by Cheapflights users on 9/10. 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.
Fri 10/162:36 pm -
1 stop4h 26m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Delta logo]()
$175
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/1610:25 am -
3 stops26h 34m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Multiple Airlines logo]()
$204
This Southwest deal was found by Cheapflights users on 9/10. 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.
Fri 10/163:35 pm -
2 stops8h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Southwest logo]()
$205
This deal was found by Cheapflights users on 9/9. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/110:37 am -
1 stop6h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![United Airlines logo]()
$238
This Kiwi.com deal was found by Cheapflights users on 9/6. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/289:42 pm -
3 stops39h 13m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![Multiple Airlines logo]()
$255
This Southwest deal was found by Cheapflights users on 9/6. 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.
Mon 9/284:10 pm -
1 stop6h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![Southwest logo]()
$352
Find flight deals from Louisville to Buffalo
Discover tips and strategies to find the most affordable flight options for your journey from Louisville (SDF) to Buffalo (BUF). 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 September 11, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $315 (United Airlines) |
One-way from | $158 (United Airlines) |
Popular in | March |
Cheapest in | December |
Average price | $638 |
Cheapflights Fare Finder
Customize your flight search to find flights from Louisville to Buffalo 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 7,457,451 searches. Data last updated September 11, 2026.
Use the filters below to find and compare flights from Louisville to Buffalo that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
LouisvilleBuffalo
SDF Louisville Intl - BUF Buffalo
SDFBUF
Louisville Intl
Wed 10/28
5:59 pm-11:00 pm
1 stop5h 01m
Buffalo
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$158
LouisvilleBuffalo
SDF Louisville Intl - BUF Buffalo
SDFBUF
Louisville Intl
Tue 10/27
7:10 am-3:20 pm
2 stops8h 10m
Buffalo
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$163
LouisvilleBuffalo
SDF Louisville Intl - BUF Buffalo
SDFBUF
Louisville Intl
Fri 10/16
10:25 am-12:59 pm
3 stops26h 34m
Buffalo
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$204
LouisvilleBuffalo
SDF Louisville Intl - BUF Buffalo
SDFBUF
Louisville Intl
Mon 9/28
4:10 pm-10:20 pm
1 stop6h 10m
Buffalo
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$352
LouisvilleBuffalo
SDF Louisville Intl - BUF Buffalo
SDFBUF
Louisville Intl
Thu 10/8
5:40 pm-11:10 pm
1 stop5h 30m
Buffalo
Thu 10/15
5:45 pm-12:15 am
1 stop6h 30m
$366
LouisvilleBuffalo
SDF Louisville Intl - BUF Buffalo
SDFBUF
Louisville Intl
Wed 10/28
7:00 am-1:16 pm
1 stop6h 16m
Buffalo
Thu 10/29
6:00 am-1:03 pm
1 stop7h 03m
$385
LouisvilleBuffalo
SDF Louisville Intl - BUF Buffalo
SDFBUF
Louisville Intl
Fri 10/23
5:40 pm-11:10 pm
1 stop5h 30m
Buffalo
Mon 10/26
2:20 pm-9:10 pm
1 stop6h 50m
$391
LouisvilleBuffalo
SDF Louisville Intl - BUF Buffalo
SDFBUF
Louisville Intl
Mon 9/28
10:25 am-5:49 pm
2 stops31h 24m
Buffalo
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$397
LouisvilleBuffalo
SDF Louisville Intl - BUF Buffalo
SDFBUF
Louisville Intl
Wed 12/30
5:10 am-11:00 am
1 stop5h 50m
Buffalo
Sun 1/3
6:05 am-3:35 pm
2 stops9h 30m
$420
LouisvilleBuffalo
SDF Louisville Intl - BUF Buffalo
SDFBUF
Louisville Intl
Mon 9/28
5:48 pm-11:54 pm
1 stop6h 06m
Buffalo
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$560
Showing 1-10 of 11 resultsSorted by cheapest first
Compare providers for flights from Louisville to Buffalo
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 Louisville to Buffalo in September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Louisville-Buffalo flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Louisville-Buffalo flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Louisville-Buffalo flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Louisville-Buffalo flights, Cheapflights users trust FlightHub the most. FlightHub 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 Louisville-Buffalo 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 Louisville to Buffalo
Have a flexible travel schedule? Discover the best time to fly to Buffalo from Louisville with our price prediction graph.
SDF-BUF
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.
Reviews of airlines servicing Buffalo
Get insights into the airlines that provide service to Buffalo. 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 Buffalo. Reviews last updated September 11, 2026.
Get a feel of what it's like to fly with Southwest,Delta, andAmerican Airlines from Louisville to Buffalo by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.1
Crew
8.6
Overall
8.0
Entertainment
7.5
Comfort
8.0
Food
7.0
Reviews
1 / 20
4.0
OkaySteven,Sep 2026
OGG - HNL
Boarding
8.1
Crew
8.6
Overall
8.0
Entertainment
7.5
Comfort
8.0
Food
7.0
Reviews
1 / 20
4.0
OkaySteven,Sep 2026
OGG - HNL
Boarding
8.1
Crew
8.6
Overall
8.0
Entertainment
7.5
Comfort
8.0
Food
7.0
Reviews
1 / 20
4.0
OkaySteven,Sep 2026
OGG - HNL
Boarding
8.1
Crew
8.6
Overall
8.0
Entertainment
7.5
Comfort
8.0
Food
7.0
Reviews
1 / 20
4.0
OkaySteven,Sep 2026
OGG - HNL
Related info for your journey
Find useful and relevant information for your journey from Louisville to Buffalo. 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 Buffalo?
Book flights to Buffalo if you plan to visit one of these locationsCheektowaga
Lockport
Amherst
Williamsville
Orchard Park
Eden
Bowmansville
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
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See prices for flight routes from nearby airports that may be better suited for you.
Other flights to Buffalo
Explore flights to Buffalo departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 11, 2026.
Complete your trip
Complete your trip to Buffalo by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Louisville to Buffalo by cabin class
Find flights from Louisville to Buffalo, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Louisville and Buffalo flights
Browse other Louisville and Buffalo flight options. Last updated on September 11, 2026.
Other flights from Louisville
Browse through other flights departing from Louisville. Flights are based on user searches made on Cheapflights and were last updated on September 11, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 3 airlines flying from Louisville to Buffalo
Discover the top 3 airlines that operate flights from Louisville to Buffalo. 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 7,457,451 searches. Data last updated September 11, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$239 | Average$422 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$284 | Average$504 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$326 | Average$506 | FlexibilityNo cancel fee | On-time71% |