United Flight 551 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 $538 and $313 for one-way flights to Owen Roberts Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, Dec 10 - Sun, Dec 14
IAH
George Bush Intercontinental
GCM
Owen Roberts Intl.
$538 Roundtrip, just found
$538
Roundtrip
just found
Select United flight, departing Wed, Dec 10 from George Bush Intercontinental to Owen Roberts Intl., returning Sun, Dec 14, priced at $538 just found
Sun, Feb 1 - Thu, Feb 5
IAH
George Bush Intercontinental
GCM
Owen Roberts Intl.
$545 Roundtrip, just found
$545
Roundtrip
just found
Select United flight, departing Sun, Feb 1 from George Bush Intercontinental to Owen Roberts Intl., returning Thu, Feb 5, priced at $545 just found
Wed, Dec 10 - Sun, Dec 14
IAH
George Bush Intercontinental
GCM
Owen Roberts Intl.
$603 Roundtrip, just found
$603
Roundtrip
just found
Select United flight, departing Wed, Dec 10 from George Bush Intercontinental to Owen Roberts Intl., returning Sun, Dec 14, priced at $603 just found
Sun, Feb 1 - Thu, Feb 5
IAH
George Bush Intercontinental
GCM
Owen Roberts Intl.
$610 Roundtrip, just found
$610
Roundtrip
just found
Select United flight, departing Sun, Feb 1 from George Bush Intercontinental to Owen Roberts Intl., returning Thu, Feb 5, priced at $610 just found
Sun, Feb 1 - Thu, Feb 5
IAH
George Bush Intercontinental
GCM
Owen Roberts Intl.
$630 Roundtrip, just found
$630
Roundtrip
just found
Select United flight, departing Sun, Feb 1 from George Bush Intercontinental to Owen Roberts Intl., returning Thu, Feb 5, priced at $630 just found
Thu, Jan 1 - Wed, Jan 7
IAH
George Bush Intercontinental
GCM
Owen Roberts Intl.
$660 Roundtrip, found 4 days ago
$660
Roundtrip
found 4 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 4 days ago
Sat, Jul 18 - Thu, Jul 23
IAH
George Bush Intercontinental
GCM
Owen Roberts Intl.
$675 Roundtrip, found 4 days ago
$675
Roundtrip
found 4 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 4 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.