United Flight 6151 Deals & Information (2025/2026)

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United Flight 6151 Route Deals From $112

The cheapest prices found with in the last 7 days for return flights were $215 and $112 for one-way flights to Louisville Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, Aug 14 - Sun, Aug 17
IAH
George Bush Intercontinental
SDF
Louisville Intl.
$215 Roundtrip, found 3 days ago
$215
Roundtrip
found 3 days ago
Select United flight, departing Thu, Aug 14 from George Bush Intercontinental to Louisville Intl., returning Sun, Aug 17, priced at $215 found 3 days ago
Thu, Aug 14 - Fri, Aug 22
IAH
George Bush Intercontinental
SDF
Louisville Intl.
$225 Roundtrip, found 1 day ago
$225
Roundtrip
found 1 day ago
Select United flight, departing Thu, Aug 14 from George Bush Intercontinental to Louisville Intl., returning Fri, Aug 22, priced at $225 found 1 day ago
Thu, Aug 14 - Fri, Aug 22
IAH
George Bush Intercontinental
SDF
Louisville Intl.
$235 Roundtrip, found 1 day ago
$235
Roundtrip
found 1 day ago
Select United flight, departing Thu, Aug 14 from George Bush Intercontinental to Louisville Intl., returning Fri, Aug 22, priced at $235 found 1 day ago
Thu, Aug 28 - Sun, Aug 31
IAH
George Bush Intercontinental
SDF
Louisville Intl.
$236 Roundtrip, found 3 days ago
$236
Roundtrip
found 3 days ago
Select United flight, departing Thu, Aug 28 from George Bush Intercontinental to Louisville Intl., returning Sun, Aug 31, priced at $236 found 3 days ago
Thu, Aug 14 - Fri, Aug 15
IAH
George Bush Intercontinental
SDF
Louisville Intl.
$246 Roundtrip, found 1 day ago
$246
Roundtrip
found 1 day ago
Select United flight, departing Thu, Aug 14 from George Bush Intercontinental to Louisville Intl., returning Fri, Aug 15, priced at $246 found 1 day ago
Thu, Aug 14 - Fri, Aug 22
IAH
George Bush Intercontinental
SDF
Louisville Intl.
$255 Roundtrip, found 1 day ago
$255
Roundtrip
found 1 day ago
Select United flight, departing Thu, Aug 14 from George Bush Intercontinental to Louisville Intl., returning Fri, Aug 22, priced at $255 found 1 day ago
Thu, Aug 14 - Sun, Aug 17
IAH
George Bush Intercontinental
SDF
Louisville Intl.
$257 Roundtrip, found 3 days ago
$257
Roundtrip
found 3 days ago
Select United flight, departing Thu, Aug 14 from George Bush Intercontinental to Louisville Intl., returning Sun, Aug 17, priced at $257 found 3 days ago
Thu, Aug 28 - Sun, Aug 31
IAH
George Bush Intercontinental
SDF
Louisville Intl.
$261 Roundtrip, found 3 days ago
$261
Roundtrip
found 3 days ago
Select United flight, departing Thu, Aug 28 from George Bush Intercontinental to Louisville Intl., returning Sun, Aug 31, priced at $261 found 3 days ago

Frequently asked questions

What route does flight number UA6151 take?
UA6151 serves multiple routes, but the most common is between Tulsa, OK Airport (TUL-Tulsa Intl.) and IAH. If your flight is direct, you'll arrive in 1 hour and 42 minutes. Multi-stop flights can also travel under the same number, as can services on other routes.
What kind of plane is on flight number UA6151?
If you're on flight UA6151 from Tulsa Intl. Airport (TUL) to IAH, there's an excellent chance you'll be jetting off on the Embraer 175. This flight number serves more than one route, but this is the most common one.
If I am not able to travel due to COVID-19, can I change my flight to a later date?
For more info about changing your UA6151 flight with Travelocity, please visit our Customer Service Portal.