United Flight 4273 Deals & Information (2025/2026)

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United Flight 4273 Route Deals From $217

The cheapest prices found with in the last 7 days for return flights were $254 and $217 for one-way flights to Gulfport - Biloxi Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, Nov 13 - Sun, Nov 16
IAH
George Bush Intercontinental
GPT
Gulfport - Biloxi Intl.
$254 Roundtrip, found 3 days ago
$254
Roundtrip
found 3 days ago
Select United flight, departing Thu, Nov 13 from George Bush Intercontinental to Gulfport - Biloxi Intl., returning Sun, Nov 16, priced at $254 found 3 days ago
Thu, Oct 23 - Mon, Oct 27
IAH
George Bush Intercontinental
GPT
Gulfport - Biloxi Intl.
$257 Roundtrip, found 21 hours ago
$257
Roundtrip
found 21 hours ago
Select United flight, departing Thu, Oct 23 from George Bush Intercontinental to Gulfport - Biloxi Intl., returning Mon, Oct 27, priced at $257 found 21 hours ago
Thu, Oct 23 - Mon, Oct 27
IAH
George Bush Intercontinental
GPT
Gulfport - Biloxi Intl.
$280 Roundtrip, found 21 hours ago
$280
Roundtrip
found 21 hours ago
Select United flight, departing Thu, Oct 23 from George Bush Intercontinental to Gulfport - Biloxi Intl., returning Mon, Oct 27, priced at $280 found 21 hours ago
Thu, Oct 23 - Mon, Oct 27
IAH
George Bush Intercontinental
GPT
Gulfport - Biloxi Intl.
$287 Roundtrip, found 21 hours ago
$287
Roundtrip
found 21 hours ago
Select United flight, departing Thu, Oct 23 from George Bush Intercontinental to Gulfport - Biloxi Intl., returning Mon, Oct 27, priced at $287 found 21 hours ago
Thu, Oct 23 - Mon, Oct 27
IAH
George Bush Intercontinental
GPT
Gulfport - Biloxi Intl.
$287 Roundtrip, found 21 hours ago
$287
Roundtrip
found 21 hours ago
Select United flight, departing Thu, Oct 23 from George Bush Intercontinental to Gulfport - Biloxi Intl., returning Mon, Oct 27, priced at $287 found 21 hours ago
Thu, Oct 23 - Mon, Oct 27
IAH
George Bush Intercontinental
GPT
Gulfport - Biloxi Intl.
$294 Roundtrip, found 21 hours ago
$294
Roundtrip
found 21 hours ago
Select United flight, departing Thu, Oct 23 from George Bush Intercontinental to Gulfport - Biloxi Intl., returning Mon, Oct 27, priced at $294 found 21 hours ago
Thu, Nov 13 - Sun, Nov 16
IAH
George Bush Intercontinental
GPT
Gulfport - Biloxi Intl.
$306 Roundtrip, found 3 days ago
$306
Roundtrip
found 3 days ago
Select United flight, departing Thu, Nov 13 from George Bush Intercontinental to Gulfport - Biloxi Intl., returning Sun, Nov 16, priced at $306 found 3 days ago
Thu, Oct 23 - Mon, Oct 27
IAH
George Bush Intercontinental
GPT
Gulfport - Biloxi Intl.
$318 Roundtrip, found 21 hours ago
$318
Roundtrip
found 21 hours ago
Select United flight, departing Thu, Oct 23 from George Bush Intercontinental to Gulfport - Biloxi Intl., returning Mon, Oct 27, priced at $318 found 21 hours ago
Thu, Oct 23 - Mon, Oct 27
IAH
George Bush Intercontinental
GPT
Gulfport - Biloxi Intl.
$325 Roundtrip, found 21 hours ago
$325
Roundtrip
found 21 hours ago
Select United flight, departing Thu, Oct 23 from George Bush Intercontinental to Gulfport - Biloxi Intl., returning Mon, Oct 27, priced at $325 found 21 hours ago
Thu, Oct 23 - Mon, Oct 27
IAH
George Bush Intercontinental
GPT
Gulfport - Biloxi Intl.
$337 Roundtrip, found 21 hours ago
$337
Roundtrip
found 21 hours ago
Select United flight, departing Thu, Oct 23 from George Bush Intercontinental to Gulfport - Biloxi Intl., returning Mon, Oct 27, priced at $337 found 21 hours ago

Frequently asked questions

What route does flight number UA4273 take?
UA4273 is used on multiple routes, but the most common is between Houston Airport and AEX. If on a direct flight, you'll stroll through arrivals in approximately 57 minutes. Multi-stop flights can also operate under this number, as can services on other routes.
What terminal does UA4273 fly out of?
Terminal B is where you'll likely depart from if you're booked on a flight leaving from Houston, TX Airport (IAH-George Bush Intercontinental). George Bush Intercontinental Airport (IAH) to AEX is the most frequently traveled route for flight number UA4273.
What kind of plane is on flight number UA4273?
It's likely you'll be heading off on the Embraer ERJ if you're traveling from IAH to AEX, a popular route for flight number UA4273.
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 UA4273 flight with Travelocity, please visit our Customer Service Portal.