United Flight WN231 Deals & Information (2025/2026)

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United Flight 231 Route Deals From $189

The cheapest prices found with in the last 7 days for return flights were $315 and $189 for one-way flights to Louisville Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, Oct 30 - Thu, Nov 6
DEN
Denver Intl.
SDF
Louisville Intl.
$315 Roundtrip, found 6 days ago
$315
Roundtrip
found 6 days ago
Select United flight, departing Thu, Oct 30 from Denver Intl. to Louisville Intl., returning Thu, Nov 6, priced at $315 found 6 days ago
Sat, Oct 18 - Tue, Oct 21
DEN
Denver Intl.
SDF
Louisville Intl.
$330 Roundtrip, found 1 day ago
$330
Roundtrip
found 1 day ago
Select United flight, departing Sat, Oct 18 from Denver Intl. to Louisville Intl., returning Tue, Oct 21, priced at $330 found 1 day ago
Sat, Oct 25 - Mon, Oct 27
DEN
Denver Intl.
SDF
Louisville Intl.
$340 Roundtrip, found 3 days ago
$340
Roundtrip
found 3 days ago
Select United flight, departing Sat, Oct 25 from Denver Intl. to Louisville Intl., returning Mon, Oct 27, priced at $340 found 3 days ago
Sun, Nov 2 - Wed, Nov 5
DEN
Denver Intl.
SDF
Louisville Intl.
$346 Roundtrip, found 1 day ago
$346
Roundtrip
found 1 day ago
Select United flight, departing Sun, Nov 2 from Denver Intl. to Louisville Intl., returning Wed, Nov 5, priced at $346 found 1 day ago
Sat, Oct 25 - Mon, Oct 27
DEN
Denver Intl.
SDF
Louisville Intl.
$350 Roundtrip, found 3 days ago
$350
Roundtrip
found 3 days ago
Select United flight, departing Sat, Oct 25 from Denver Intl. to Louisville Intl., returning Mon, Oct 27, priced at $350 found 3 days ago
Tue, Oct 14 - Thu, Oct 16
DEN
Denver Intl.
SDF
Louisville Intl.
$364 Roundtrip, found 3 days ago
$364
Roundtrip
found 3 days ago
Select United flight, departing Tue, Oct 14 from Denver Intl. to Louisville Intl., returning Thu, Oct 16, priced at $364 found 3 days ago
Sun, Nov 2 - Wed, Nov 5
DEN
Denver Intl.
SDF
Louisville Intl.
$369 Roundtrip, found 1 day ago
$369
Roundtrip
found 1 day ago
Select United flight, departing Sun, Nov 2 from Denver Intl. to Louisville Intl., returning Wed, Nov 5, priced at $369 found 1 day ago

Frequently asked questions

What route does flight number UA231 take?
UA231 flies directly from Newark Airport to RSW. During this journey, expect to be in the air for approximately 3 hours and 9 minutes. It pays to book ahead to get your preferred seat.
How often is UA231 on time?
If you're heading off with United Airlines flight number UA231 between EWR and Fort Myers, FL Airport (RSW-Southwest Florida Intl.), it's assuring knowing that 90% of these services arrive on time. In the rare instance of a delay, the average wait is roughly 1 hour and 37 minutes. This service has a star rating of 1.8.
What terminal does UA231 fly out of?
Flights to and from Newark Airport and Fort Myers, FL Airport (RSW-Southwest Florida Intl.) are served by flight number UA231, and passengers traveling on this route usually depart from Terminal C.
What kind of plane is on flight number UA231?
Expect to jump on board a Boeing 737-800 if you're taking off on flight UA231. The majority of flights from Newark Airport to Fort Myers, FL Airport (RSW-Southwest Florida Intl.) use this type of plane.
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 UA231 flight with Travelocity, please visit our Customer Service Portal.