United Flight 435 Deals & Information (2025/2026)

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United Flight 435 Route Deals From $135

The cheapest prices found with in the last 7 days for return flights were $206 and $135 for one-way flights to Calgary Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Sun, Apr 19 - Sun, Apr 26
SFO
San Francisco Intl.
YYC
Calgary Intl.
$206 Roundtrip, found 2 days ago
$206
Roundtrip
found 2 days ago
Select United flight, departing Sun, Apr 19 from San Francisco Intl. to Calgary Intl., returning Sun, Apr 26, priced at $206 found 2 days ago
Wed, Jan 28 - Mon, Feb 2
SFO
San Francisco Intl.
YYC
Calgary Intl.
$207 Roundtrip, found 5 days ago
$207
Roundtrip
found 5 days ago
Select United flight, departing Wed, Jan 28 from San Francisco Intl. to Calgary Intl., returning Mon, Feb 2, priced at $207 found 5 days ago
Thu, Oct 2 - Sat, Oct 4
SFO
San Francisco Intl.
YYC
Calgary Intl.
$210 Roundtrip, found 11 hours ago
$210
Roundtrip
found 11 hours ago
Select United flight, departing Thu, Oct 2 from San Francisco Intl. to Calgary Intl., returning Sat, Oct 4, priced at $210 found 11 hours ago
Sun, Sep 28 - Fri, Oct 3
SFO
San Francisco Intl.
YYC
Calgary Intl.
$212 Roundtrip, found 4 days ago
$212
Roundtrip
found 4 days ago
Select United flight, departing Sun, Sep 28 from San Francisco Intl. to Calgary Intl., returning Fri, Oct 3, priced at $212 found 4 days ago

Frequently asked questions

What route does flight number UA435 take?
UA435 flies directly between KOA and San Francisco Airport in 4 hours and 59 minutes. It can take other routes though, some of which could be multi-stop flights. Keep this in mind when booking your seat to avoid any confusion.
How often is UA435 on time?
United Airlines flight number UA435 has multiple routes, but the most frequented is from Kailua-Kona, HI Airport (KOA-Kona Intl.) to San Francisco, CA Airport (SFO-San Francisco Intl.) and touches down as scheduled 77% of the time. In the rare event of a delay, you can expect to wait up to 18 minutes. This flight has a 2.7-star rating.
What kind of plane is on flight number UA435?
If you're on flight UA435 from Ellison Onizuka Kona Intl. Airport at Keāhole to San Francisco Airport, there's an excellent chance you'll be aboard the Boeing 767-300. This flight number serves a number of 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 UA435 flight with Travelocity, please visit our Customer Service Portal.