United Flight 4256 Deals & Information (2026/2027)

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United Flight 4256 Route Deals From $271

The cheapest prices found with in the last 7 days for return flights were $299 and $271 for one-way flights to George Bush Intercontinental for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, Apr 1 - Sat, Apr 3
XNA
Northwest Arkansas Regional
IAH
George Bush Intercontinental
$299 Roundtrip, found 8 hours ago
$299
Roundtrip
found 8 hours ago
Select United flight, departing Thu, Apr 1 from Northwest Arkansas Regional to George Bush Intercontinental, returning Sat, Apr 3, priced at $299 found 8 hours ago
Thu, Nov 19 - Sun, Nov 22
XNA
Northwest Arkansas Regional
IAH
George Bush Intercontinental
$303 Roundtrip, found 3 days ago
$303
Roundtrip
found 3 days ago
Select United flight, departing Thu, Nov 19 from Northwest Arkansas Regional to George Bush Intercontinental, returning Sun, Nov 22, priced at $303 found 3 days ago
Thu, Apr 1 - Sat, Apr 3
XNA
Northwest Arkansas Regional
IAH
George Bush Intercontinental
$314 Roundtrip, found 8 hours ago
$314
Roundtrip
found 8 hours ago
Select United flight, departing Thu, Apr 1 from Northwest Arkansas Regional to George Bush Intercontinental, returning Sat, Apr 3, priced at $314 found 8 hours ago
Thu, Nov 19 - Sun, Nov 22
XNA
Northwest Arkansas Regional
IAH
George Bush Intercontinental
$317 Roundtrip, found 3 days ago
$317
Roundtrip
found 3 days ago
Select United flight, departing Thu, Nov 19 from Northwest Arkansas Regional to George Bush Intercontinental, returning Sun, Nov 22, priced at $317 found 3 days ago
Wed, Oct 21 - Wed, Oct 28
XNA
Northwest Arkansas Regional
IAH
George Bush Intercontinental
$319 Roundtrip, found 18 hours ago
$319
Roundtrip
found 18 hours ago
Select United flight, departing Wed, Oct 21 from Northwest Arkansas Regional to George Bush Intercontinental, returning Wed, Oct 28, priced at $319 found 18 hours ago
Thu, Nov 19 - Sun, Nov 22
XNA
Northwest Arkansas Regional
IAH
George Bush Intercontinental
$330 Roundtrip, found 3 days ago
$330
Roundtrip
found 3 days ago
Select United flight, departing Thu, Nov 19 from Northwest Arkansas Regional to George Bush Intercontinental, returning Sun, Nov 22, priced at $330 found 3 days ago
Sat, Dec 5 - Sun, Dec 13
XNA
Northwest Arkansas Regional
IAH
George Bush Intercontinental
$337 Roundtrip, found 22 hours ago
$337
Roundtrip
found 22 hours ago
Select United flight, departing Sat, Dec 5 from Northwest Arkansas Regional to George Bush Intercontinental, returning Sun, Dec 13, priced at $337 found 22 hours ago
Thu, Nov 19 - Sun, Nov 22
XNA
Northwest Arkansas Regional
IAH
George Bush Intercontinental
$342 Roundtrip, found 3 days ago
$342
Roundtrip
found 3 days ago
Select United flight, departing Thu, Nov 19 from Northwest Arkansas Regional to George Bush Intercontinental, returning Sun, Nov 22, priced at $342 found 3 days ago
Thu, Nov 19 - Sun, Nov 22
XNA
Northwest Arkansas Regional
IAH
George Bush Intercontinental
$343 Roundtrip, found 3 days ago
$343
Roundtrip
found 3 days ago
Select United flight, departing Thu, Nov 19 from Northwest Arkansas Regional to George Bush Intercontinental, returning Sun, Nov 22, priced at $343 found 3 days ago
Sat, Dec 26 - Sat, Jan 2
XNA
Northwest Arkansas Regional
IAH
George Bush Intercontinental
$352 Roundtrip, found 4 days ago
$352
Roundtrip
found 4 days ago
Select United flight, departing Sat, Dec 26 from Northwest Arkansas Regional to George Bush Intercontinental, returning Sat, Jan 2, priced at $352 found 4 days ago
Fri, Nov 20 - Mon, Nov 23
XNA
Northwest Arkansas Regional
IAH
George Bush Intercontinental
$354 Roundtrip, found 3 days ago
$354
Roundtrip
found 3 days ago
Select United flight, departing Fri, Nov 20 from Northwest Arkansas Regional to George Bush Intercontinental, returning Mon, Nov 23, priced at $354 found 3 days ago
Thu, Nov 19 - Sun, Nov 22
XNA
Northwest Arkansas Regional
IAH
George Bush Intercontinental
$356 Roundtrip, found 3 days ago
$356
Roundtrip
found 3 days ago
Select United flight, departing Thu, Nov 19 from Northwest Arkansas Regional to George Bush Intercontinental, returning Sun, Nov 22, priced at $356 found 3 days ago
Wed, Oct 21 - Mon, Oct 26
XNA
Northwest Arkansas Regional
IAH
George Bush Intercontinental
$369 Roundtrip, found 4 days ago
$369
Roundtrip
found 4 days ago
Select United flight, departing Wed, Oct 21 from Northwest Arkansas Regional to George Bush Intercontinental, returning Mon, Oct 26, priced at $369 found 4 days ago
Sat, Dec 26 - Sat, Jan 2
XNA
Northwest Arkansas Regional
IAH
George Bush Intercontinental
$374 Roundtrip, found 4 days ago
$374
Roundtrip
found 4 days ago
Select United flight, departing Sat, Dec 26 from Northwest Arkansas Regional to George Bush Intercontinental, returning Sat, Jan 2, priced at $374 found 4 days ago
Thu, Apr 1 - Sat, Apr 3
XNA
Northwest Arkansas Regional
IAH
George Bush Intercontinental
$377 Roundtrip, found 8 hours ago
$377
Roundtrip
found 8 hours ago
Select United flight, departing Thu, Apr 1 from Northwest Arkansas Regional to George Bush Intercontinental, returning Sat, Apr 3, priced at $377 found 8 hours ago
Fri, Nov 20 - Mon, Nov 23
XNA
Northwest Arkansas Regional
IAH
George Bush Intercontinental
$381 Roundtrip, found 3 days ago
$381
Roundtrip
found 3 days ago
Select United flight, departing Fri, Nov 20 from Northwest Arkansas Regional to George Bush Intercontinental, returning Mon, Nov 23, priced at $381 found 3 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.