United Flight 377 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 377 Route Deals From $80

The cheapest prices found with in the last 7 days for return flights were $157 and $80 for one-way flights to O'Hare Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, Oct 1 - Wed, Oct 8
DEN
Denver Intl.
ORD
O'Hare Intl.
$157 Roundtrip, found 4 hours ago
$157
Roundtrip
found 4 hours ago
Select United flight, departing Wed, Oct 1 from Denver Intl. to O'Hare Intl., returning Wed, Oct 8, priced at $157 found 4 hours ago
Wed, Oct 1 - Wed, Oct 8
DEN
Denver Intl.
ORD
O'Hare Intl.
$169 Roundtrip, found 4 hours ago
$169
Roundtrip
found 4 hours ago
Select United flight, departing Wed, Oct 1 from Denver Intl. to O'Hare Intl., returning Wed, Oct 8, priced at $169 found 4 hours ago
Tue, Aug 12 - Wed, Aug 13
DEN
Denver Intl.
ORD
O'Hare Intl.
$170 Roundtrip, found 2 days ago
$170
Roundtrip
found 2 days ago
Select United flight, departing Tue, Aug 12 from Denver Intl. to O'Hare Intl., returning Wed, Aug 13, priced at $170 found 2 days ago
Sat, Oct 11 - Tue, Oct 14
DEN
Denver Intl.
ORD
O'Hare Intl.
$172 Roundtrip, found 16 hours ago
$172
Roundtrip
found 16 hours ago
Select United flight, departing Sat, Oct 11 from Denver Intl. to O'Hare Intl., returning Tue, Oct 14, priced at $172 found 16 hours ago
Sat, Sep 20 - Mon, Sep 22
DEN
Denver Intl.
ORD
O'Hare Intl.
$173 Roundtrip, found 6 hours ago
$173
Roundtrip
found 6 hours ago
Select United flight, departing Sat, Sep 20 from Denver Intl. to O'Hare Intl., returning Mon, Sep 22, priced at $173 found 6 hours ago

Frequently asked questions

What route does flight number UA377 take?
UA377 flies direct from DIA airport to O'Hare Airport in around 2 hours and 23 minutes. It can take other routes though, some of which may be multi-stop journeys. Keep this in mind when locking in your seat to avoid any confusion.
What kind of plane is on flight number UA377?
If you're on flight UA377 from Denver Intl. Airport (DEN) to ORD, you'll likely be heading off on the Boeing 737-900. This flight number serves several routes, but this is the most popular.
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 UA377 flight with Travelocity, please visit our Customer Service Portal.