United Flight AA5859 Deals & Information (2025/2026)

Wander Wisely with exceptional service, 24/7 supportOpens in a new window

Feel at ease with free flight cancellations within 24 hours of booking

Change your flight without a fee on select flights

United Flight 5859 Route Deals From $97

The cheapest prices found with in the last 7 days for return flights were $193 and $97 for one-way flights to Bozeman Yellowstone Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, Aug 14 - Wed, Aug 20
ORD
O'Hare Intl.
BZN
Bozeman Yellowstone Intl.
$193 Roundtrip, found 5 hours ago
$193
Roundtrip
found 5 hours ago
Select United flight, departing Thu, Aug 14 from O'Hare Intl. to Bozeman Yellowstone Intl., returning Wed, Aug 20, priced at $193 found 5 hours ago
Sat, Oct 4 - Tue, Oct 14
ORD
O'Hare Intl.
BZN
Bozeman Yellowstone Intl.
$194 Roundtrip, found 2 hours ago
$194
Roundtrip
found 2 hours ago
Select United flight, departing Sat, Oct 4 from O'Hare Intl. to Bozeman Yellowstone Intl., returning Tue, Oct 14, priced at $194 found 2 hours ago
Tue, Sep 9 - Sat, Sep 13
ORD
O'Hare Intl.
BZN
Bozeman Yellowstone Intl.
$202 Roundtrip, found 12 hours ago
$202
Roundtrip
found 12 hours ago
Select United flight, departing Tue, Sep 9 from O'Hare Intl. to Bozeman Yellowstone Intl., returning Sat, Sep 13, priced at $202 found 12 hours ago
Sat, Oct 4 - Tue, Oct 14
ORD
O'Hare Intl.
BZN
Bozeman Yellowstone Intl.
$204 Roundtrip, found 2 hours ago
$204
Roundtrip
found 2 hours ago
Select United flight, departing Sat, Oct 4 from O'Hare Intl. to Bozeman Yellowstone Intl., returning Tue, Oct 14, priced at $204 found 2 hours ago
Sun, Nov 9 - Sun, Nov 16
ORD
O'Hare Intl.
BZN
Bozeman Yellowstone Intl.
$206 Roundtrip, found 7 hours ago
$206
Roundtrip
found 7 hours ago
Select United flight, departing Sun, Nov 9 from O'Hare Intl. to Bozeman Yellowstone Intl., returning Sun, Nov 16, priced at $206 found 7 hours ago
Tue, Sep 9 - Sat, Sep 13
ORD
O'Hare Intl.
BZN
Bozeman Yellowstone Intl.
$212 Roundtrip, found 12 hours ago
$212
Roundtrip
found 12 hours ago
Select United flight, departing Tue, Sep 9 from O'Hare Intl. to Bozeman Yellowstone Intl., returning Sat, Sep 13, priced at $212 found 12 hours ago
Tue, Aug 26 - Fri, Aug 29
ORD
O'Hare Intl.
BZN
Bozeman Yellowstone Intl.
$214 Roundtrip, just found
$214
Roundtrip
just found
Select United flight, departing Tue, Aug 26 from O'Hare Intl. to Bozeman Yellowstone Intl., returning Fri, Aug 29, priced at $214 just found
Thu, Oct 23 - Sun, Oct 26
ORD
O'Hare Intl.
BZN
Bozeman Yellowstone Intl.
$217 Roundtrip, found 3 days ago
$217
Roundtrip
found 3 days ago
Select United flight, departing Thu, Oct 23 from O'Hare Intl. to Bozeman Yellowstone Intl., returning Sun, Oct 26, priced at $217 found 3 days ago
Wed, Dec 10 - Mon, Dec 15
ORD
O'Hare Intl.
BZN
Bozeman Yellowstone Intl.
$227 Roundtrip, found 23 hours ago
$227
Roundtrip
found 23 hours ago
Select United flight, departing Wed, Dec 10 from O'Hare Intl. to Bozeman Yellowstone Intl., returning Mon, Dec 15, priced at $227 found 23 hours ago
Tue, Dec 9 - Sun, Dec 14
ORD
O'Hare Intl.
BZN
Bozeman Yellowstone Intl.
$227 Roundtrip, found 9 hours ago
$227
Roundtrip
found 9 hours ago
Select United flight, departing Tue, Dec 9 from O'Hare Intl. to Bozeman Yellowstone Intl., returning Sun, Dec 14, priced at $227 found 9 hours ago