United Flight UA551 Deals & Information (2025/2026)

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United Flight 551 Route Deals From $313

The cheapest prices found with in the last 7 days for return flights were $636 and $313 for one-way flights to Owen Roberts Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Sat, Feb 7 - Sat, Feb 14
IAH
George Bush Intercontinental
GCM
Owen Roberts Intl.
$636 Roundtrip, found 9 hours ago
$636
Roundtrip
found 9 hours ago
Select United flight, departing Sat, Feb 7 from George Bush Intercontinental to Owen Roberts Intl., returning Sat, Feb 14, priced at $636 found 9 hours ago
Sat, Feb 7 - Sat, Feb 14
IAH
George Bush Intercontinental
GCM
Owen Roberts Intl.
$641 Roundtrip, found 9 hours ago
$641
Roundtrip
found 9 hours ago
Select United flight, departing Sat, Feb 7 from George Bush Intercontinental to Owen Roberts Intl., returning Sat, Feb 14, priced at $641 found 9 hours ago
Thu, Jan 1 - Wed, Jan 7
IAH
George Bush Intercontinental
GCM
Owen Roberts Intl.
$660 Roundtrip, found 2 days ago
$660
Roundtrip
found 2 days ago
Select United flight, departing Thu, Jan 1 from George Bush Intercontinental to Owen Roberts Intl., returning Wed, Jan 7, priced at $660 found 2 days ago
Sat, Jul 18 - Thu, Jul 23
IAH
George Bush Intercontinental
GCM
Owen Roberts Intl.
$675 Roundtrip, found 2 days ago
$675
Roundtrip
found 2 days ago
Select United flight, departing Sat, Jul 18 from George Bush Intercontinental to Owen Roberts Intl., returning Thu, Jul 23, priced at $675 found 2 days ago

Frequently asked questions

What route does flight number UA551 take?
UA551 takes numerous routes. The most popular is Houston, TX Airport (IAH-George Bush Intercontinental) to Owen Roberts Intl. Airport (GCM), which flies direct. This service takes roughly 2 hours and 53 minutes. However, you might find other flights with this number that are multi-stop.
What terminal does UA551 fly out of?
UA551 flights out of Houston, TX Airport (IAH-George Bush Intercontinental) usually take off from Terminal E. This flight number runs on a number of routes, but the most traveled one is Houston, TX Airport (IAH-George Bush Intercontinental) to GCM.
What kind of plane is on flight number UA551?
If you've booked a ticket on flight UA551 from Houston Airport to GCM, you'll likely be setting off on a Boeing 737-800. This flight number serves numerous routes, but this is the most popular 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 UA551 flight with Travelocity, please visit our Customer Service Portal.