United Flight UA1099 Deals & Information (2025/2026)

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United Flight 1099 Route Deals From $274

The cheapest prices found with in the last 7 days for return flights were $475 and $274 for one-way flights to George Bush Intercontinental for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, Dec 11 - Thu, Jan 1
SJO
Juan Santamaría Intl.
IAH
George Bush Intercontinental
$475 Roundtrip, found 4 days ago
$475
Roundtrip
found 4 days ago
Select United flight, departing Thu, Dec 11 from Juan Santamaría Intl. to George Bush Intercontinental, returning Thu, Jan 1, priced at $475 found 4 days ago

Frequently asked questions

What route does flight number UA1099 take?
UA1099 takes roughly 3 hours and 50 minutes to jet straight from SJO to IAH. Sure, there's magic in the destination, but getting there is half the fun!
What terminal does UA1099 fly out of?
You'll likely be climbing aboard the plane at Terminal M if you're booked on UA1099 direct from SJO to Houston, TX Airport (IAH-George Bush Intercontinental).
What kind of plane is on flight number UA1099?
The Boeing 737-800 is the aircraft model most commonly used for flight UA1099. More often than not, this flight sets off from Juan Santamaria Intl. Airport and arrives at IAH.
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 UA1099 flight with Travelocity, please visit our Customer Service Portal.