$169 Cheap United flights Tucson (TUS) to Louisville (SDF)

View $169 flight on Tue, Jul 29, 2025Opens in a new window

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$169 Cheap United flights Tucson (TUS) to Louisville (SDF)

Prices were available within the past 7 days and start at $169 for one-way flights and $341 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Wed, Aug 6 - Sat, Aug 9
TUS
Tucson
SDF
Louisville
$341 Roundtrip, found 2 days ago
$341
Roundtrip
found 2 days ago
Select United flight, departing Wed, Aug 6 from Tucson to Louisville, returning Sat, Aug 9, priced at $341 found 2 days ago
United
Thu, Aug 21 - Thu, Aug 28
TUS
Tucson
SDF
Louisville
$342 Roundtrip, found 4 days ago
$342
Roundtrip
found 4 days ago
Select United flight, departing Thu, Aug 21 from Tucson to Louisville, returning Thu, Aug 28, priced at $342 found 4 days ago
United
Wed, Sep 3 - Wed, Sep 10
TUS
Tucson
SDF
Louisville
$346 Roundtrip, found 3 days ago
$346
Roundtrip
found 3 days ago
Select United flight, departing Wed, Sep 3 from Tucson to Louisville, returning Wed, Sep 10, priced at $346 found 3 days ago
United
Sun, Aug 31 - Mon, Sep 8
TUS
Tucson
SDF
Louisville
$348 Roundtrip, found 3 days ago
$348
Roundtrip
found 3 days ago
Select United flight, departing Sun, Aug 31 from Tucson to Louisville, returning Mon, Sep 8, priced at $348 found 3 days ago
United
Thu, Aug 21 - Thu, Aug 28
TUS
Tucson
SDF
Louisville
$349 Roundtrip, found 4 days ago
$349
Roundtrip
found 4 days ago
Select United flight, departing Thu, Aug 21 from Tucson to Louisville, returning Thu, Aug 28, priced at $349 found 4 days ago
United
Fri, Oct 3 - Mon, Oct 6
TUS
Tucson
SDF
Louisville
$364 Roundtrip, found 11 hours ago
$364
Roundtrip
found 11 hours ago
Select United flight, departing Fri, Oct 3 from Tucson to Louisville, returning Mon, Oct 6, priced at $364 found 11 hours ago
Flights from Tucson (TUS) to Louisville (SDF)
Origin airport
Tucson Intl.
Destination airport
Louisville Intl.
Airlines serving
American Airlines, Delta, Southwest Airlines, United
Popular airline
American Airlines
Distance
1478 mi

Frequently asked questions

How much is a United Airlines flight from Tucson Intl. Airport (TUS) to Louisville Intl. Airport (SDF)?
Scoring cheap one-way United Airlines flights from TUS to SDF from $169 on Expedia is easy --- just filter by "Price (lowest to highest)." Alternatively, check out our affordable round-trip fares from $341 for your next getaway.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
What is the cheapest month to fly from TUS to SDF with United Airlines?
Look for return or one-way flights to Louisville in January or December. You could find lower fares with United Airlines during these off-season months.
What is the cheapest time to book flights from Tucson Intl. Airport (TUS) to Louisville Intl. Airport (SDF) with United Airlines?
Look for affordable United Airlines flights from Tucson Intl. Airport (TUS) to Louisville Intl. Airport (SDF) one to three months ahead of your day of departure. Travelers who book domestic flights 34 to 86 days in advance can save 25% compared to those who book just 6 to 12 days ahead. Regardless of fare type and journey, the best day to book a domestic flight is usually Sunday and the most expensive day is typically Monday. Passengers who book on a Sunday can save 6% on average compared to those who book their travel on a Monday.**Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC's global airline sales database.
Does United Airlines fly nonstop from Tucson Intl. Airport (TUS) to Louisville Intl. Airport (SDF)?
Select our "Nonstop" filter when looking for direct United Airlines flights from TUS to SDF. It's also an easy way to compare other airlines offering the same nonstop journey.
What is the earliest United Airlines flight from TUS to SDF?
Browse United Airlines's earliest flights from TUS to SDF by using our "Morning" and "Early Morning" filters. Not only will you get to where you're going sooner, early departures are also 20% less likely to be canceled.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports does United Airlines fly into in Louisville?
Catch a United Airlines flight from Tucson Intl. Airport (TUS) to Louisville, and you'll most likely arrive at Louisville Intl. Airport (SDF). This is the airline's primary hub here.
Why fly with United Airlines from TUS to SDF?
Depart from TUS to SDF with United Airlines and look forward to a host of benefits including a rewarding loyalty program. When booking through Expedia as a United Mileage Plus and One Key™ member, you may also earn OneKeyCash™* to spend on select future travel purchases.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.
Can I change or cancel my United Airlines flight from Tucson Intl. Airport (TUS) to Louisville Intl. Airport (SDF)?
Depending on your fare type, a fee may apply if you modify or cancel your booking more than 24 hours after it's been confirmed. To find flexible fares, select our "No cancel fee" or "Changes included" filter when you search for flights. To learn more about changing or canceling your reservation, visit "Trips," select your flight and click on "Manage Booking."

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