United Flight UA2138 Deals & Information (2025/2026)

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United Flight 2138 Route Deals From $69

The cheapest prices found with in the last 7 days for return flights were $168 and $69 for one-way flights to O'Hare Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, Oct 2 - Sun, Oct 5
BZN
Bozeman Yellowstone Intl.
ORD
O'Hare Intl.
$168 Roundtrip, found 1 day ago
$168
Roundtrip
found 1 day ago
Select United flight, departing Thu, Oct 2 from Bozeman Yellowstone Intl. to O'Hare Intl., returning Sun, Oct 5, priced at $168 found 1 day ago
Thu, Oct 9 - Sun, Oct 12
BZN
Bozeman Yellowstone Intl.
ORD
O'Hare Intl.
$181 Roundtrip, found 7 hours ago
$181
Roundtrip
found 7 hours ago
Select United flight, departing Thu, Oct 9 from Bozeman Yellowstone Intl. to O'Hare Intl., returning Sun, Oct 12, priced at $181 found 7 hours ago
Thu, Oct 9 - Sun, Oct 12
BZN
Bozeman Yellowstone Intl.
ORD
O'Hare Intl.
$191 Roundtrip, found 7 hours ago
$191
Roundtrip
found 7 hours ago
Select United flight, departing Thu, Oct 9 from Bozeman Yellowstone Intl. to O'Hare Intl., returning Sun, Oct 12, priced at $191 found 7 hours ago
Thu, Nov 6 - Mon, Nov 10
BZN
Bozeman Yellowstone Intl.
ORD
O'Hare Intl.
$204 Roundtrip, found 2 hours ago
$204
Roundtrip
found 2 hours ago
Select United flight, departing Thu, Nov 6 from Bozeman Yellowstone Intl. to O'Hare Intl., returning Mon, Nov 10, priced at $204 found 2 hours ago
Thu, Oct 9 - Sun, Oct 12
BZN
Bozeman Yellowstone Intl.
ORD
O'Hare Intl.
$214 Roundtrip, found 7 hours ago
$214
Roundtrip
found 7 hours ago
Select United flight, departing Thu, Oct 9 from Bozeman Yellowstone Intl. to O'Hare Intl., returning Sun, Oct 12, priced at $214 found 7 hours ago
Thu, Oct 9 - Sun, Oct 12
BZN
Bozeman Yellowstone Intl.
ORD
O'Hare Intl.
$217 Roundtrip, found 7 hours ago
$217
Roundtrip
found 7 hours ago
Select United flight, departing Thu, Oct 9 from Bozeman Yellowstone Intl. to O'Hare Intl., returning Sun, Oct 12, priced at $217 found 7 hours ago
Fri, Oct 10 - Mon, Oct 13
BZN
Bozeman Yellowstone Intl.
ORD
O'Hare Intl.
$218 Roundtrip, found 7 hours ago
$218
Roundtrip
found 7 hours ago
Select United flight, departing Fri, Oct 10 from Bozeman Yellowstone Intl. to O'Hare Intl., returning Mon, Oct 13, priced at $218 found 7 hours ago
Thu, Oct 2 - Sun, Oct 5
BZN
Bozeman Yellowstone Intl.
ORD
O'Hare Intl.
$222 Roundtrip, found 1 day ago
$222
Roundtrip
found 1 day ago
Select United flight, departing Thu, Oct 2 from Bozeman Yellowstone Intl. to O'Hare Intl., returning Sun, Oct 5, priced at $222 found 1 day ago
Fri, Oct 10 - Mon, Oct 13
BZN
Bozeman Yellowstone Intl.
ORD
O'Hare Intl.
$228 Roundtrip, found 7 hours ago
$228
Roundtrip
found 7 hours ago
Select United flight, departing Fri, Oct 10 from Bozeman Yellowstone Intl. to O'Hare Intl., returning Mon, Oct 13, priced at $228 found 7 hours ago
Thu, Oct 2 - Sun, Oct 5
BZN
Bozeman Yellowstone Intl.
ORD
O'Hare Intl.
$230 Roundtrip, found 1 day ago
$230
Roundtrip
found 1 day ago
Select United flight, departing Thu, Oct 2 from Bozeman Yellowstone Intl. to O'Hare Intl., returning Sun, Oct 5, priced at $230 found 1 day ago
Fri, Oct 10 - Mon, Oct 13
BZN
Bozeman Yellowstone Intl.
ORD
O'Hare Intl.
$231 Roundtrip, found 7 hours ago
$231
Roundtrip
found 7 hours ago
Select United flight, departing Fri, Oct 10 from Bozeman Yellowstone Intl. to O'Hare Intl., returning Mon, Oct 13, priced at $231 found 7 hours ago
Thu, Oct 9 - Sun, Oct 12
BZN
Bozeman Yellowstone Intl.
ORD
O'Hare Intl.
$234 Roundtrip, found 7 hours ago
$234
Roundtrip
found 7 hours ago
Select United flight, departing Thu, Oct 9 from Bozeman Yellowstone Intl. to O'Hare Intl., returning Sun, Oct 12, priced at $234 found 7 hours ago