United Flight 4256 Deals & Information (2025/2026)

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United Flight 4256 Route Deals From $60

The cheapest prices found with in the last 7 days for return flights were $155 and $60 for one-way flights to Birmingham Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, Nov 27 - Tue, Dec 2
IAH
George Bush Intercontinental
BHM
Birmingham Intl.
$155 Roundtrip, found 5 days ago
$155
Roundtrip
found 5 days ago
Select United flight, departing Thu, Nov 27 from George Bush Intercontinental to Birmingham Intl., returning Tue, Dec 2, priced at $155 found 5 days ago
Thu, Nov 27 - Tue, Dec 2
IAH
George Bush Intercontinental
BHM
Birmingham Intl.
$180 Roundtrip, found 5 days ago
$180
Roundtrip
found 5 days ago
Select United flight, departing Thu, Nov 27 from George Bush Intercontinental to Birmingham Intl., returning Tue, Dec 2, priced at $180 found 5 days ago
Thu, Nov 27 - Tue, Dec 2
IAH
George Bush Intercontinental
BHM
Birmingham Intl.
$186 Roundtrip, found 5 days ago
$186
Roundtrip
found 5 days ago
Select United flight, departing Thu, Nov 27 from George Bush Intercontinental to Birmingham Intl., returning Tue, Dec 2, priced at $186 found 5 days ago
Thu, Aug 14 - Mon, Aug 18
IAH
George Bush Intercontinental
BHM
Birmingham Intl.
$189 Roundtrip, found 5 days ago
$189
Roundtrip
found 5 days ago
Select United flight, departing Thu, Aug 14 from George Bush Intercontinental to Birmingham Intl., returning Mon, Aug 18, priced at $189 found 5 days ago
Thu, Aug 14 - Mon, Aug 18
IAH
George Bush Intercontinental
BHM
Birmingham Intl.
$198 Roundtrip, found 5 days ago
$198
Roundtrip
found 5 days ago
Select United flight, departing Thu, Aug 14 from George Bush Intercontinental to Birmingham Intl., returning Mon, Aug 18, priced at $198 found 5 days ago
Thu, Nov 27 - Tue, Dec 2
IAH
George Bush Intercontinental
BHM
Birmingham Intl.
$215 Roundtrip, found 5 days ago
$215
Roundtrip
found 5 days ago
Select United flight, departing Thu, Nov 27 from George Bush Intercontinental to Birmingham Intl., returning Tue, Dec 2, priced at $215 found 5 days ago
Thu, Nov 27 - Tue, Dec 2
IAH
George Bush Intercontinental
BHM
Birmingham Intl.
$218 Roundtrip, found 5 days ago
$218
Roundtrip
found 5 days ago
Select United flight, departing Thu, Nov 27 from George Bush Intercontinental to Birmingham Intl., returning Tue, Dec 2, priced at $218 found 5 days ago
Tue, Aug 5 - Sat, Aug 9
IAH
George Bush Intercontinental
BHM
Birmingham Intl.
$221 Roundtrip, found 6 hours ago
$221
Roundtrip
found 6 hours ago
Select United flight, departing Tue, Aug 5 from George Bush Intercontinental to Birmingham Intl., returning Sat, Aug 9, priced at $221 found 6 hours ago
Thu, Aug 14 - Mon, Aug 18
IAH
George Bush Intercontinental
BHM
Birmingham Intl.
$224 Roundtrip, found 5 days ago
$224
Roundtrip
found 5 days ago
Select United flight, departing Thu, Aug 14 from George Bush Intercontinental to Birmingham Intl., returning Mon, Aug 18, priced at $224 found 5 days ago
Thu, Aug 14 - Mon, Aug 18
IAH
George Bush Intercontinental
BHM
Birmingham Intl.
$234 Roundtrip, found 5 days ago
$234
Roundtrip
found 5 days ago
Select United flight, departing Thu, Aug 14 from George Bush Intercontinental to Birmingham Intl., returning Mon, Aug 18, priced at $234 found 5 days 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.