United Flight 1899 Deals & Information (2025/2026)

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United Flight 1899 Route Deals From $101

The cheapest prices found with in the last 7 days for return flights were $181 and $101 for one-way flights to Calgary Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, Oct 22 - Sat, Oct 25
ORD
O'Hare Intl.
YYC
Calgary Intl.
$181 Roundtrip, found 1 day ago
$181
Roundtrip
found 1 day ago
Select United flight, departing Wed, Oct 22 from O'Hare Intl. to Calgary Intl., returning Sat, Oct 25, priced at $181 found 1 day ago
Sun, Nov 2 - Sun, Nov 9
ORD
O'Hare Intl.
YYC
Calgary Intl.
$181 Roundtrip, found 2 days ago
$181
Roundtrip
found 2 days ago
Select United flight, departing Sun, Nov 2 from O'Hare Intl. to Calgary Intl., returning Sun, Nov 9, priced at $181 found 2 days ago
Sun, Sep 21 - Fri, Sep 26
ORD
O'Hare Intl.
YYC
Calgary Intl.
$193 Roundtrip, found 3 hours ago
$193
Roundtrip
found 3 hours ago
Select United flight, departing Sun, Sep 21 from O'Hare Intl. to Calgary Intl., returning Fri, Sep 26, priced at $193 found 3 hours ago
Sun, Sep 28 - Wed, Oct 8
ORD
O'Hare Intl.
YYC
Calgary Intl.
$197 Roundtrip, found 2 days ago
$197
Roundtrip
found 2 days ago
Select United flight, departing Sun, Sep 28 from O'Hare Intl. to Calgary Intl., returning Wed, Oct 8, priced at $197 found 2 days ago
Wed, Oct 22 - Sat, Oct 25
ORD
O'Hare Intl.
YYC
Calgary Intl.
$209 Roundtrip, found 1 day ago
$209
Roundtrip
found 1 day ago
Select United flight, departing Wed, Oct 22 from O'Hare Intl. to Calgary Intl., returning Sat, Oct 25, priced at $209 found 1 day ago
Tue, Sep 16 - Sat, Sep 20
ORD
O'Hare Intl.
YYC
Calgary Intl.
$215 Roundtrip, found 5 hours ago
$215
Roundtrip
found 5 hours ago
Select United flight, departing Tue, Sep 16 from O'Hare Intl. to Calgary Intl., returning Sat, Sep 20, priced at $215 found 5 hours ago
Sat, Oct 25 - Fri, Oct 31
ORD
O'Hare Intl.
YYC
Calgary Intl.
$219 Roundtrip, found 3 days ago
$219
Roundtrip
found 3 days ago
Select United flight, departing Sat, Oct 25 from O'Hare Intl. to Calgary Intl., returning Fri, Oct 31, priced at $219 found 3 days ago
Sat, Oct 25 - Fri, Oct 31
ORD
O'Hare Intl.
YYC
Calgary Intl.
$244 Roundtrip, found 3 days ago
$244
Roundtrip
found 3 days ago
Select United flight, departing Sat, Oct 25 from O'Hare Intl. to Calgary Intl., returning Fri, Oct 31, priced at $244 found 3 days ago
Tue, Sep 16 - Sat, Sep 20
ORD
O'Hare Intl.
YYC
Calgary Intl.
$254 Roundtrip, found 5 hours ago
$254
Roundtrip
found 5 hours ago
Select United flight, departing Tue, Sep 16 from O'Hare Intl. to Calgary Intl., returning Sat, Sep 20, priced at $254 found 5 hours ago

Frequently asked questions

What route does flight number UA1899 take?
You'll be arriving into O'Hare Intl. Airport (ORD) from Houston, TX Airport (IAH-George Bush Intercontinental) if you're traveling on flight number UA1899. You'll be airborne for 2 hours and 43 minutes during this journey. What's more, the flight conveniently travels non-stop.
How often is UA1899 on time?
If you have booked tickets on United Airlines flight number UA1899 from IAH to O'Hare Airport, it's comforting to know that 83% of these journeys reach their destination on time. In the rare event of a delay, expect an average wait time of around 15 minutes. This route has a star rating of 3.25.
What terminal does UA1899 fly out of?
You'll likely be stepping aboard the plane at Terminal C if you're traveling on flight number UA1899 direct from Houston Airport to Chicago, IL Airport (ORD-O'Hare Intl.).
What kind of plane is on flight number UA1899?
There's every chance you'll find yourself boarding a Boeing 737-900 if you've reserved a seat on flight UA1899. This flight typically leaves from George Bush Intercontinental Airport (IAH) and touches down at O'Hare Airport.
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 UA1899 flight with Travelocity, please visit our Customer Service Portal.