United Flight UA4256 Deals & Information (2025/2026)

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United Flight 4256 Route Deals From $109

The cheapest prices found with in the last 7 days for return flights were $219 and $109 for one-way flights to Birmingham Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, Sep 4 - Mon, Sep 8
IAH
George Bush Intercontinental
BHM
Birmingham Intl.
$219 Roundtrip, found 7 hours ago
$219
Roundtrip
found 7 hours ago
Select United flight, departing Thu, Sep 4 from George Bush Intercontinental to Birmingham Intl., returning Mon, Sep 8, priced at $219 found 7 hours ago
Tue, Aug 5 - Sat, Aug 9
IAH
George Bush Intercontinental
BHM
Birmingham Intl.
$221 Roundtrip, found 3 days ago
$221
Roundtrip
found 3 days ago
Select United flight, departing Tue, Aug 5 from George Bush Intercontinental to Birmingham Intl., returning Sat, Aug 9, priced at $221 found 3 days ago
Thu, Sep 4 - Mon, Sep 8
IAH
George Bush Intercontinental
BHM
Birmingham Intl.
$231 Roundtrip, found 7 hours ago
$231
Roundtrip
found 7 hours ago
Select United flight, departing Thu, Sep 4 from George Bush Intercontinental to Birmingham Intl., returning Mon, Sep 8, priced at $231 found 7 hours ago
Thu, Sep 4 - Mon, Sep 8
IAH
George Bush Intercontinental
BHM
Birmingham Intl.
$237 Roundtrip, found 7 hours ago
$237
Roundtrip
found 7 hours ago
Select United flight, departing Thu, Sep 4 from George Bush Intercontinental to Birmingham Intl., returning Mon, Sep 8, priced at $237 found 7 hours ago
Tue, Aug 5 - Sat, Aug 9
IAH
George Bush Intercontinental
BHM
Birmingham Intl.
$239 Roundtrip, found 3 days ago
$239
Roundtrip
found 3 days ago
Select United flight, departing Tue, Aug 5 from George Bush Intercontinental to Birmingham Intl., returning Sat, Aug 9, priced at $239 found 3 days ago
Thu, Sep 4 - Mon, Sep 8
IAH
George Bush Intercontinental
BHM
Birmingham Intl.
$249 Roundtrip, found 7 hours ago
$249
Roundtrip
found 7 hours ago
Select United flight, departing Thu, Sep 4 from George Bush Intercontinental to Birmingham Intl., returning Mon, Sep 8, priced at $249 found 7 hours ago
Thu, Sep 4 - Mon, Sep 8
IAH
George Bush Intercontinental
BHM
Birmingham Intl.
$258 Roundtrip, found 7 hours ago
$258
Roundtrip
found 7 hours ago
Select United flight, departing Thu, Sep 4 from George Bush Intercontinental to Birmingham Intl., returning Mon, Sep 8, priced at $258 found 7 hours ago
Thu, Sep 4 - Mon, Sep 8
IAH
George Bush Intercontinental
BHM
Birmingham Intl.
$266 Roundtrip, found 7 hours ago
$266
Roundtrip
found 7 hours ago
Select United flight, departing Thu, Sep 4 from George Bush Intercontinental to Birmingham Intl., returning Mon, Sep 8, priced at $266 found 7 hours ago
Thu, Sep 4 - Mon, Sep 8
IAH
George Bush Intercontinental
BHM
Birmingham Intl.
$269 Roundtrip, found 7 hours ago
$269
Roundtrip
found 7 hours ago
Select United flight, departing Thu, Sep 4 from George Bush Intercontinental to Birmingham Intl., returning Mon, Sep 8, priced at $269 found 7 hours ago
Thu, Sep 4 - Mon, Sep 8
IAH
George Bush Intercontinental
BHM
Birmingham Intl.
$285 Roundtrip, found 7 hours ago
$285
Roundtrip
found 7 hours ago
Select United flight, departing Thu, Sep 4 from George Bush Intercontinental to Birmingham Intl., returning Mon, Sep 8, priced at $285 found 7 hours ago

Frequently asked questions

What route does flight number UA4256 take?
UA4256 flies directly from CMH to IAD in 1 hour and 19 minutes. It can be used on other routes though, some of which could be multi-stop journeys. Keep this in mind when locking in your seat to avoid any mix-ups.
What kind of plane is on flight number UA4256?
If you've booked a ticket on flight UA4256 from Columbus, OH Airport (CMH-John Glenn Columbus Intl.) to IAD, you'll likely be jetting off on the Embraer ERJ. 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 UA4256 flight with Travelocity, please visit our Customer Service Portal.