United Flight 1100 Deals & Information (2025/2026)

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United Flight 1100 Route Deals From $179

The cheapest prices found with in the last 7 days for return flights were $286 and $179 for one-way flights to O'Hare Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Fri, Oct 24 - Sun, Oct 26
FCA
Glacier Park Intl.
ORD
O'Hare Intl.
$286 Roundtrip, found 1 day ago
$286
Roundtrip
found 1 day ago
Select United flight, departing Fri, Oct 24 from Glacier Park Intl. to O'Hare Intl., returning Sun, Oct 26, priced at $286 found 1 day ago
Fri, Oct 24 - Sun, Oct 26
FCA
Glacier Park Intl.
ORD
O'Hare Intl.
$321 Roundtrip, found 1 day ago
$321
Roundtrip
found 1 day ago
Select United flight, departing Fri, Oct 24 from Glacier Park Intl. to O'Hare Intl., returning Sun, Oct 26, priced at $321 found 1 day ago
Tue, Nov 4 - Sun, Nov 9
FCA
Glacier Park Intl.
ORD
O'Hare Intl.
$327 Roundtrip, found 6 days ago
$327
Roundtrip
found 6 days ago
Select United flight, departing Tue, Nov 4 from Glacier Park Intl. to O'Hare Intl., returning Sun, Nov 9, priced at $327 found 6 days ago
Fri, Oct 24 - Sun, Oct 26
FCA
Glacier Park Intl.
ORD
O'Hare Intl.
$331 Roundtrip, found 1 day ago
$331
Roundtrip
found 1 day ago
Select United flight, departing Fri, Oct 24 from Glacier Park Intl. to O'Hare Intl., returning Sun, Oct 26, priced at $331 found 1 day ago
Fri, Oct 24 - Sun, Oct 26
FCA
Glacier Park Intl.
ORD
O'Hare Intl.
$337 Roundtrip, found 1 day ago
$337
Roundtrip
found 1 day ago
Select United flight, departing Fri, Oct 24 from Glacier Park Intl. to O'Hare Intl., returning Sun, Oct 26, priced at $337 found 1 day ago
Fri, Oct 17 - Sun, Oct 19
FCA
Glacier Park Intl.
ORD
O'Hare Intl.
$356 Roundtrip, found 16 hours ago
$356
Roundtrip
found 16 hours ago
Select United flight, departing Fri, Oct 17 from Glacier Park Intl. to O'Hare Intl., returning Sun, Oct 19, priced at $356 found 16 hours ago

Frequently asked questions

What route does flight number UA1100 take?
UA1100 operates direct from Newark, NJ Airport (EWR-Liberty Intl.) to MIA. During this journey, expect to be in the air for approximately 3 hours and 8 minutes. It's wise to book ahead to lock in your preferred seat.
What terminal does UA1100 fly out of?
Travelers booked on flight number UA1100 from Liberty Intl. Airport (EWR) to Miami, FL Airport (MIA-Miami Intl.) usually fly out of Terminal C.
What kind of plane is on flight number UA1100?
The Boeing 737-900 is the plane predominantly used for flight number UA1100. More often than not, this flight sets off from EWR and lands at Miami, FL Airport (MIA-Miami Intl.).
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 UA1100 flight with Travelocity, please visit our Customer Service Portal.