United Flight 4256 Deals & Information (2026/2027)

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United Flight 4256 Route Deals From $89

The cheapest prices found with in the last 7 days for return flights were $177 and $89 for one-way flights to Birmingham Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Sat, Oct 24 - Mon, Oct 26
IAH
George Bush Intercontinental
BHM
Birmingham Intl.
$177 Roundtrip, found 7 hours ago
$177
Roundtrip
found 7 hours ago
Select United flight, departing Sat, Oct 24 from George Bush Intercontinental to Birmingham Intl., returning Mon, Oct 26, priced at $177 found 7 hours ago
Fri, Oct 30 - Sat, Oct 31
IAH
George Bush Intercontinental
BHM
Birmingham Intl.
$207 Roundtrip, found 4 days ago
$207
Roundtrip
found 4 days ago
Select United flight, departing Fri, Oct 30 from George Bush Intercontinental to Birmingham Intl., returning Sat, Oct 31, priced at $207 found 4 days ago
Sun, Nov 1 - Mon, Nov 2
IAH
George Bush Intercontinental
BHM
Birmingham Intl.
$253 Roundtrip, found 4 days ago
$253
Roundtrip
found 4 days ago
Select United flight, departing Sun, Nov 1 from George Bush Intercontinental to Birmingham Intl., returning Mon, Nov 2, priced at $253 found 4 days ago
Thu, Dec 17 - Mon, Dec 21
IAH
George Bush Intercontinental
BHM
Birmingham Intl.
$255 Roundtrip, found 6 days ago
$255
Roundtrip
found 6 days ago
Select United flight, departing Thu, Dec 17 from George Bush Intercontinental to Birmingham Intl., returning Mon, Dec 21, priced at $255 found 6 days ago
Fri, Oct 30 - Sat, Oct 31
IAH
George Bush Intercontinental
BHM
Birmingham Intl.
$257 Roundtrip, found 4 days ago
$257
Roundtrip
found 4 days ago
Select United flight, departing Fri, Oct 30 from George Bush Intercontinental to Birmingham Intl., returning Sat, Oct 31, priced at $257 found 4 days ago
Sun, Nov 1 - Mon, Nov 2
IAH
George Bush Intercontinental
BHM
Birmingham Intl.
$272 Roundtrip, found 4 days ago
$272
Roundtrip
found 4 days ago
Select United flight, departing Sun, Nov 1 from George Bush Intercontinental to Birmingham Intl., returning Mon, Nov 2, priced at $272 found 4 days ago
Sat, Oct 24 - Mon, Oct 26
IAH
George Bush Intercontinental
BHM
Birmingham Intl.
$287 Roundtrip, found 7 hours ago
$287
Roundtrip
found 7 hours ago
Select United flight, departing Sat, Oct 24 from George Bush Intercontinental to Birmingham Intl., returning Mon, Oct 26, priced at $287 found 7 hours ago
Thu, Dec 17 - Mon, Dec 21
IAH
George Bush Intercontinental
BHM
Birmingham Intl.
$288 Roundtrip, found 6 days ago
$288
Roundtrip
found 6 days ago
Select United flight, departing Thu, Dec 17 from George Bush Intercontinental to Birmingham Intl., returning Mon, Dec 21, priced at $288 found 6 days ago
Fri, Oct 30 - Sat, Oct 31
IAH
George Bush Intercontinental
BHM
Birmingham Intl.
$292 Roundtrip, found 4 days ago
$292
Roundtrip
found 4 days ago
Select United flight, departing Fri, Oct 30 from George Bush Intercontinental to Birmingham Intl., returning Sat, Oct 31, priced at $292 found 4 days ago
Sat, Oct 24 - Mon, Oct 26
IAH
George Bush Intercontinental
BHM
Birmingham Intl.
$313 Roundtrip, found 7 hours ago
$313
Roundtrip
found 7 hours ago
Select United flight, departing Sat, Oct 24 from George Bush Intercontinental to Birmingham Intl., returning Mon, Oct 26, priced at $313 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.