United Flight 1742 Deals & Information (2025/2026)

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United Flight 1742 Route Deals From $118

The cheapest prices found with in the last 7 days for return flights were $223 and $118 for one-way flights to Denver Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Sat, Sep 13 - Tue, Sep 16
MTJ
Montrose Regional
DEN
Denver Intl.
$223 Roundtrip, found 7 hours ago
$223
Roundtrip
found 7 hours ago
Select United flight, departing Sat, Sep 13 from Montrose Regional to Denver Intl., returning Tue, Sep 16, priced at $223 found 7 hours ago
Sat, Sep 13 - Tue, Sep 16
MTJ
Montrose Regional
DEN
Denver Intl.
$226 Roundtrip, found 7 hours ago
$226
Roundtrip
found 7 hours ago
Select United flight, departing Sat, Sep 13 from Montrose Regional to Denver Intl., returning Tue, Sep 16, priced at $226 found 7 hours ago
Sun, Jul 27 - Tue, Jul 29
MTJ
Montrose Regional
DEN
Denver Intl.
$240 Roundtrip, found 6 days ago
$240
Roundtrip
found 6 days ago
Select United flight, departing Sun, Jul 27 from Montrose Regional to Denver Intl., returning Tue, Jul 29, priced at $240 found 6 days ago
Sun, Jul 27 - Tue, Jul 29
MTJ
Montrose Regional
DEN
Denver Intl.
$251 Roundtrip, found 6 days ago
$251
Roundtrip
found 6 days ago
Select United flight, departing Sun, Jul 27 from Montrose Regional to Denver Intl., returning Tue, Jul 29, priced at $251 found 6 days ago
Sat, Jul 12 - Sun, Jul 13
MTJ
Montrose Regional
DEN
Denver Intl.
$255 Roundtrip, found 1 day ago
$255
Roundtrip
found 1 day ago
Select United flight, departing Sat, Jul 12 from Montrose Regional to Denver Intl., returning Sun, Jul 13, priced at $255 found 1 day ago
Wed, Aug 20 - Fri, Aug 22
MTJ
Montrose Regional
DEN
Denver Intl.
$256 Roundtrip, found 2 days ago
$256
Roundtrip
found 2 days ago
Select United flight, departing Wed, Aug 20 from Montrose Regional to Denver Intl., returning Fri, Aug 22, priced at $256 found 2 days ago
Thu, Jul 17 - Sun, Jul 20
MTJ
Montrose Regional
DEN
Denver Intl.
$256 Roundtrip, found 6 days ago
$256
Roundtrip
found 6 days ago
Select United flight, departing Thu, Jul 17 from Montrose Regional to Denver Intl., returning Sun, Jul 20, priced at $256 found 6 days ago
Sat, Jul 12 - Sun, Jul 13
MTJ
Montrose Regional
DEN
Denver Intl.
$265 Roundtrip, found 1 day ago
$265
Roundtrip
found 1 day ago
Select United flight, departing Sat, Jul 12 from Montrose Regional to Denver Intl., returning Sun, Jul 13, priced at $265 found 1 day ago
Sun, Jul 20 - Tue, Jul 22
MTJ
Montrose Regional
DEN
Denver Intl.
$266 Roundtrip, found 2 days ago
$266
Roundtrip
found 2 days ago
Select United flight, departing Sun, Jul 20 from Montrose Regional to Denver Intl., returning Tue, Jul 22, priced at $266 found 2 days ago
Thu, Jul 10 - Tue, Jul 15
MTJ
Montrose Regional
DEN
Denver Intl.
$275 Roundtrip, found 2 days ago
$275
Roundtrip
found 2 days ago
Select United flight, departing Thu, Jul 10 from Montrose Regional to Denver Intl., returning Tue, Jul 15, priced at $275 found 2 days ago

Frequently asked questions

What route does flight number UA1742 take?
UA1742 operates between Washington, DC Airport (IAD-Washington Dulles Intl.) and SFO and flies direct. This trip usually takes 5 hours and 48 minutes.
How often is UA1742 on time?
If you've booked tickets on United Airlines flight number UA1742 from Washington, DC Airport (IAD-Washington Dulles Intl.) to San Francisco Airport, it's assuring knowing that 88% of these flights touch down on time. In the rare instance of a delay, you can expect an average wait of roughly 38 minutes. This flight has a 2.7-star rating.
What kind of plane is on flight number UA1742?
Expect to step aboard a Boeing 767-300 if your flight number is UA1742. Nearly all services from Dulles Intl. Airport to San Francisco Intl. Airport (SFO) operate using this kind of plane.
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 UA1742 flight with Travelocity, please visit our Customer Service Portal.