United Flight UA4273 Deals & Information (2025/2026)

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United Flight 4273 Route Deals From $218

The cheapest prices found with in the last 7 days for return flights were $215 and $218 for one-way flights to Gulfport - Biloxi Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, Nov 20 - Sun, Nov 23
IAH
George Bush Intercontinental
GPT
Gulfport - Biloxi Intl.
$215 Roundtrip, found 10 hours ago
$215
Roundtrip
found 10 hours ago
Select United flight, departing Thu, Nov 20 from George Bush Intercontinental to Gulfport - Biloxi Intl., returning Sun, Nov 23, priced at $215 found 10 hours ago
Thu, Nov 20 - Sun, Nov 23
IAH
George Bush Intercontinental
GPT
Gulfport - Biloxi Intl.
$216 Roundtrip, found 10 hours ago
$216
Roundtrip
found 10 hours ago
Select United flight, departing Thu, Nov 20 from George Bush Intercontinental to Gulfport - Biloxi Intl., returning Sun, Nov 23, priced at $216 found 10 hours ago
Thu, Nov 20 - Sun, Nov 23
IAH
George Bush Intercontinental
GPT
Gulfport - Biloxi Intl.
$220 Roundtrip, found 10 hours ago
$220
Roundtrip
found 10 hours ago
Select United flight, departing Thu, Nov 20 from George Bush Intercontinental to Gulfport - Biloxi Intl., returning Sun, Nov 23, priced at $220 found 10 hours ago
Thu, Nov 20 - Sun, Nov 23
IAH
George Bush Intercontinental
GPT
Gulfport - Biloxi Intl.
$221 Roundtrip, found 10 hours ago
$221
Roundtrip
found 10 hours ago
Select United flight, departing Thu, Nov 20 from George Bush Intercontinental to Gulfport - Biloxi Intl., returning Sun, Nov 23, priced at $221 found 10 hours ago
Thu, Nov 20 - Sun, Nov 23
IAH
George Bush Intercontinental
GPT
Gulfport - Biloxi Intl.
$223 Roundtrip, found 10 hours ago
$223
Roundtrip
found 10 hours ago
Select United flight, departing Thu, Nov 20 from George Bush Intercontinental to Gulfport - Biloxi Intl., returning Sun, Nov 23, priced at $223 found 10 hours ago
Wed, Oct 15 - Wed, Oct 22
IAH
George Bush Intercontinental
GPT
Gulfport - Biloxi Intl.
$228 Roundtrip, found 3 days ago
$228
Roundtrip
found 3 days ago
Select United flight, departing Wed, Oct 15 from George Bush Intercontinental to Gulfport - Biloxi Intl., returning Wed, Oct 22, priced at $228 found 3 days ago
Thu, Nov 20 - Sun, Nov 23
IAH
George Bush Intercontinental
GPT
Gulfport - Biloxi Intl.
$228 Roundtrip, found 10 hours ago
$228
Roundtrip
found 10 hours ago
Select United flight, departing Thu, Nov 20 from George Bush Intercontinental to Gulfport - Biloxi Intl., returning Sun, Nov 23, priced at $228 found 10 hours ago
Thu, Oct 23 - Mon, Oct 27
IAH
George Bush Intercontinental
GPT
Gulfport - Biloxi Intl.
$257 Roundtrip, found 5 days ago
$257
Roundtrip
found 5 days ago
Select United flight, departing Thu, Oct 23 from George Bush Intercontinental to Gulfport - Biloxi Intl., returning Mon, Oct 27, priced at $257 found 5 days ago
Thu, Nov 20 - Sun, Nov 23
IAH
George Bush Intercontinental
GPT
Gulfport - Biloxi Intl.
$276 Roundtrip, found 10 hours ago
$276
Roundtrip
found 10 hours ago
Select United flight, departing Thu, Nov 20 from George Bush Intercontinental to Gulfport - Biloxi Intl., returning Sun, Nov 23, priced at $276 found 10 hours ago
Thu, Nov 20 - Sun, Nov 23
IAH
George Bush Intercontinental
GPT
Gulfport - Biloxi Intl.
$277 Roundtrip, found 10 hours ago
$277
Roundtrip
found 10 hours ago
Select United flight, departing Thu, Nov 20 from George Bush Intercontinental to Gulfport - Biloxi Intl., returning Sun, Nov 23, priced at $277 found 10 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.