United Flight 1851 Deals & Information (2025/2026)

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United Flight 1851 Route Deals From $91

The cheapest prices found with in the last 7 days for return flights were $199 and $91 for one-way flights to O'Hare Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, Jul 1 - Tue, Jul 8
BTV
Burlington Intl.
ORD
O'Hare Intl.
$199 Roundtrip, found 5 days ago
$199
Roundtrip
found 5 days ago
Select United flight, departing Tue, Jul 1 from Burlington Intl. to O'Hare Intl., returning Tue, Jul 8, priced at $199 found 5 days ago
Tue, Jul 29 - Wed, Jul 30
BTV
Burlington Intl.
ORD
O'Hare Intl.
$204 Roundtrip, found 13 hours ago
$204
Roundtrip
found 13 hours ago
Select United flight, departing Tue, Jul 29 from Burlington Intl. to O'Hare Intl., returning Wed, Jul 30, priced at $204 found 13 hours ago
Tue, Jul 1 - Sat, Jul 5
BTV
Burlington Intl.
ORD
O'Hare Intl.
$209 Roundtrip, found 1 day ago
$209
Roundtrip
found 1 day ago
Select United flight, departing Tue, Jul 1 from Burlington Intl. to O'Hare Intl., returning Sat, Jul 5, priced at $209 found 1 day ago
Tue, Jul 1 - Sat, Jul 5
BTV
Burlington Intl.
ORD
O'Hare Intl.
$211 Roundtrip, found 1 day ago
$211
Roundtrip
found 1 day ago
Select United flight, departing Tue, Jul 1 from Burlington Intl. to O'Hare Intl., returning Sat, Jul 5, priced at $211 found 1 day ago
Tue, Jul 22 - Sat, Jul 26
BTV
Burlington Intl.
ORD
O'Hare Intl.
$213 Roundtrip, found 2 days ago
$213
Roundtrip
found 2 days ago
Select United flight, departing Tue, Jul 22 from Burlington Intl. to O'Hare Intl., returning Sat, Jul 26, priced at $213 found 2 days ago
Mon, Jun 30 - Tue, Jul 1
BTV
Burlington Intl.
ORD
O'Hare Intl.
$216 Roundtrip, found 1 day ago
$216
Roundtrip
found 1 day ago
Select United flight, departing Mon, Jun 30 from Burlington Intl. to O'Hare Intl., returning Tue, Jul 1, priced at $216 found 1 day ago
Tue, Jul 1 - Tue, Jul 8
BTV
Burlington Intl.
ORD
O'Hare Intl.
$218 Roundtrip, found 5 days ago
$218
Roundtrip
found 5 days ago
Select United flight, departing Tue, Jul 1 from Burlington Intl. to O'Hare Intl., returning Tue, Jul 8, priced at $218 found 5 days ago
Tue, Jul 22 - Sat, Jul 26
BTV
Burlington Intl.
ORD
O'Hare Intl.
$223 Roundtrip, found 2 days ago
$223
Roundtrip
found 2 days ago
Select United flight, departing Tue, Jul 22 from Burlington Intl. to O'Hare Intl., returning Sat, Jul 26, priced at $223 found 2 days ago
Wed, Jul 2 - Mon, Jul 7
BTV
Burlington Intl.
ORD
O'Hare Intl.
$228 Roundtrip, found 3 days ago
$228
Roundtrip
found 3 days ago
Select United flight, departing Wed, Jul 2 from Burlington Intl. to O'Hare Intl., returning Mon, Jul 7, priced at $228 found 3 days ago
Tue, Jul 29 - Wed, Jul 30
BTV
Burlington Intl.
ORD
O'Hare Intl.
$234 Roundtrip, found 13 hours ago
$234
Roundtrip
found 13 hours ago
Select United flight, departing Tue, Jul 29 from Burlington Intl. to O'Hare Intl., returning Wed, Jul 30, priced at $234 found 13 hours ago