United Flight WN435 Deals & Information (2025/2026)

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United Flight 435 Route Deals From $70

The cheapest prices found with in the last 7 days for return flights were $106 and $70 for one-way flights to San Francisco Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, Oct 15 - Mon, Oct 20
PHX
Sky Harbor Intl.
SFO
San Francisco Intl.
$106 Roundtrip, found 14 hours ago
$106
Roundtrip
found 14 hours ago
Select United flight, departing Wed, Oct 15 from Sky Harbor Intl. to San Francisco Intl., returning Mon, Oct 20, priced at $106 found 14 hours ago
Wed, Aug 20 - Fri, Aug 22
PHX
Sky Harbor Intl.
SFO
San Francisco Intl.
$109 Roundtrip, found 3 days ago
$109
Roundtrip
found 3 days ago
Select United flight, departing Wed, Aug 20 from Sky Harbor Intl. to San Francisco Intl., returning Fri, Aug 22, priced at $109 found 3 days ago
Wed, Jul 23 - Sat, Jul 26
PHX
Sky Harbor Intl.
SFO
San Francisco Intl.
$115 Roundtrip, found 22 hours ago
$115
Roundtrip
found 22 hours ago
Select United flight, departing Wed, Jul 23 from Sky Harbor Intl. to San Francisco Intl., returning Sat, Jul 26, priced at $115 found 22 hours ago
Fri, Nov 7 - Sun, Nov 9
PHX
Sky Harbor Intl.
SFO
San Francisco Intl.
$121 Roundtrip, found 18 hours ago
$121
Roundtrip
found 18 hours ago
Select United flight, departing Fri, Nov 7 from Sky Harbor Intl. to San Francisco Intl., returning Sun, Nov 9, priced at $121 found 18 hours ago
Fri, Aug 15 - Sat, Aug 23
PHX
Sky Harbor Intl.
SFO
San Francisco Intl.
$123 Roundtrip, found 20 hours ago
$123
Roundtrip
found 20 hours ago
Select United flight, departing Fri, Aug 15 from Sky Harbor Intl. to San Francisco Intl., returning Sat, Aug 23, priced at $123 found 20 hours ago
Mon, Aug 18 - Wed, Aug 20
PHX
Sky Harbor Intl.
SFO
San Francisco Intl.
$124 Roundtrip, found 3 days ago
$124
Roundtrip
found 3 days ago
Select United flight, departing Mon, Aug 18 from Sky Harbor Intl. to San Francisco Intl., returning Wed, Aug 20, priced at $124 found 3 days ago
Wed, Jul 23 - Sat, Jul 26
PHX
Sky Harbor Intl.
SFO
San Francisco Intl.
$128 Roundtrip, found 22 hours ago
$128
Roundtrip
found 22 hours ago
Select United flight, departing Wed, Jul 23 from Sky Harbor Intl. to San Francisco Intl., returning Sat, Jul 26, priced at $128 found 22 hours ago
Sat, Nov 1 - Sat, Nov 15
PHX
Sky Harbor Intl.
SFO
San Francisco Intl.
$130 Roundtrip, found 23 hours ago
$130
Roundtrip
found 23 hours ago
Select United flight, departing Sat, Nov 1 from Sky Harbor Intl. to San Francisco Intl., returning Sat, Nov 15, priced at $130 found 23 hours 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.