United Flight UA1851 Deals & Information (2024/2025)

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United Flight 1851 Route Deals From $145

The cheapest prices found with in the last 7 days for return flights were $232 and $145 for one-way flights to O'Hare Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Fri, Jun 14 - Sun, Jun 16
BTV
Burlington Intl.
ORD
O'Hare Intl.
$232 Roundtrip, found 6 days ago
$232
Roundtrip
found 6 days ago
Select United flight, departing Fri, Jun 14 from Burlington Intl. to O'Hare Intl., returning Sun, Jun 16, priced at $232 found 6 days ago
Fri, Jun 14 - Sun, Jun 16
BTV
Burlington Intl.
ORD
O'Hare Intl.
$247 Roundtrip, found 6 days ago
$247
Roundtrip
found 6 days ago
Select United flight, departing Fri, Jun 14 from Burlington Intl. to O'Hare Intl., returning Sun, Jun 16, priced at $247 found 6 days ago
Thu, Sep 12 - Mon, Sep 16
BTV
Burlington Intl.
ORD
O'Hare Intl.
$289 Roundtrip, found 22 hours ago
$289
Roundtrip
found 22 hours ago
Select United flight, departing Thu, Sep 12 from Burlington Intl. to O'Hare Intl., returning Mon, Sep 16, priced at $289 found 22 hours ago
Fri, Jun 7 - Tue, Jun 11
BTV
Burlington Intl.
ORD
O'Hare Intl.
$293 Roundtrip, found 2 days ago
$293
Roundtrip
found 2 days ago
Select United flight, departing Fri, Jun 7 from Burlington Intl. to O'Hare Intl., returning Tue, Jun 11, priced at $293 found 2 days ago
Wed, May 29 - Fri, May 31
BTV
Burlington Intl.
ORD
O'Hare Intl.
$300 Roundtrip, found 1 day ago
$300
Roundtrip
found 1 day ago
Select United flight, departing Wed, May 29 from Burlington Intl. to O'Hare Intl., returning Fri, May 31, priced at $300 found 1 day ago
Sat, Sep 14 - Sun, Sep 15
BTV
Burlington Intl.
ORD
O'Hare Intl.
$303 Roundtrip, found 11 hours ago
$303
Roundtrip
found 11 hours ago
Select United flight, departing Sat, Sep 14 from Burlington Intl. to O'Hare Intl., returning Sun, Sep 15, priced at $303 found 11 hours ago
Wed, May 29 - Fri, May 31
BTV
Burlington Intl.
ORD
O'Hare Intl.
$310 Roundtrip, found 1 day ago
$310
Roundtrip
found 1 day ago
Select United flight, departing Wed, May 29 from Burlington Intl. to O'Hare Intl., returning Fri, May 31, priced at $310 found 1 day ago
Wed, May 29 - Fri, May 31
BTV
Burlington Intl.
ORD
O'Hare Intl.
$317 Roundtrip, found 1 day ago
$317
Roundtrip
found 1 day ago
Select United flight, departing Wed, May 29 from Burlington Intl. to O'Hare Intl., returning Fri, May 31, priced at $317 found 1 day ago
Wed, May 29 - Fri, May 31
BTV
Burlington Intl.
ORD
O'Hare Intl.
$318 Roundtrip, found 1 day ago
$318
Roundtrip
found 1 day ago
Select United flight, departing Wed, May 29 from Burlington Intl. to O'Hare Intl., returning Fri, May 31, priced at $318 found 1 day ago
Thu, Jul 25 - Tue, Jul 30
BTV
Burlington Intl.
ORD
O'Hare Intl.
$319 Roundtrip, found 1 day ago
$319
Roundtrip
found 1 day ago
Select United flight, departing Thu, Jul 25 from Burlington Intl. to O'Hare Intl., returning Tue, Jul 30, priced at $319 found 1 day ago