United Flight 4256 Deals & Information (2025/2026)

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United Flight 4256 Route Deals From $147

The cheapest prices found with in the last 7 days for return flights were $207 and $147 for one-way flights to Miller Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Fri, Nov 7 - Sat, Nov 8
IAH
George Bush Intercontinental
MFE
Miller Intl.
$207 Roundtrip, found 2 days ago
$207
Roundtrip
found 2 days ago
Select United flight, departing Fri, Nov 7 from George Bush Intercontinental to Miller Intl., returning Sat, Nov 8, priced at $207 found 2 days ago
Fri, Nov 7 - Sat, Nov 8
IAH
George Bush Intercontinental
MFE
Miller Intl.
$215 Roundtrip, found 2 days ago
$215
Roundtrip
found 2 days ago
Select United flight, departing Fri, Nov 7 from George Bush Intercontinental to Miller Intl., returning Sat, Nov 8, priced at $215 found 2 days ago
Fri, Nov 7 - Sat, Nov 8
IAH
George Bush Intercontinental
MFE
Miller Intl.
$218 Roundtrip, found 2 days ago
$218
Roundtrip
found 2 days ago
Select United flight, departing Fri, Nov 7 from George Bush Intercontinental to Miller Intl., returning Sat, Nov 8, priced at $218 found 2 days ago
Fri, Oct 31 - Mon, Nov 3
IAH
George Bush Intercontinental
MFE
Miller Intl.
$222 Roundtrip, found 5 days ago
$222
Roundtrip
found 5 days ago
Select United flight, departing Fri, Oct 31 from George Bush Intercontinental to Miller Intl., returning Mon, Nov 3, priced at $222 found 5 days ago
Fri, Nov 7 - Sat, Nov 8
IAH
George Bush Intercontinental
MFE
Miller Intl.
$241 Roundtrip, found 2 days ago
$241
Roundtrip
found 2 days ago
Select United flight, departing Fri, Nov 7 from George Bush Intercontinental to Miller Intl., returning Sat, Nov 8, priced at $241 found 2 days ago
Fri, Nov 7 - Sat, Nov 8
IAH
George Bush Intercontinental
MFE
Miller Intl.
$245 Roundtrip, found 2 days ago
$245
Roundtrip
found 2 days ago
Select United flight, departing Fri, Nov 7 from George Bush Intercontinental to Miller Intl., returning Sat, Nov 8, priced at $245 found 2 days ago
Fri, Nov 7 - Sat, Nov 8
IAH
George Bush Intercontinental
MFE
Miller Intl.
$256 Roundtrip, found 2 days ago
$256
Roundtrip
found 2 days ago
Select United flight, departing Fri, Nov 7 from George Bush Intercontinental to Miller Intl., returning Sat, Nov 8, priced at $256 found 2 days ago
Fri, Oct 31 - Mon, Nov 3
IAH
George Bush Intercontinental
MFE
Miller Intl.
$265 Roundtrip, found 5 days ago
$265
Roundtrip
found 5 days ago
Select United flight, departing Fri, Oct 31 from George Bush Intercontinental to Miller Intl., returning Mon, Nov 3, priced at $265 found 5 days ago
Fri, Nov 7 - Sat, Nov 8
IAH
George Bush Intercontinental
MFE
Miller Intl.
$268 Roundtrip, found 2 days ago
$268
Roundtrip
found 2 days ago
Select United flight, departing Fri, Nov 7 from George Bush Intercontinental to Miller Intl., returning Sat, Nov 8, priced at $268 found 2 days ago
Fri, Oct 31 - Mon, Nov 3
IAH
George Bush Intercontinental
MFE
Miller Intl.
$273 Roundtrip, found 5 days ago
$273
Roundtrip
found 5 days ago
Select United flight, departing Fri, Oct 31 from George Bush Intercontinental to Miller Intl., returning Mon, Nov 3, priced at $273 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.