United Flight 5644 Deals & Information (2025/2026)

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United Flight 5644 Route Deals From $77

The cheapest prices found with in the last 7 days for return flights were $155 and $77 for one-way flights to Boise for the period specified. Prices and availability are subject to change. Additional terms apply.

Sat, Jan 31 - Wed, Feb 4
SFO
San Francisco Intl.
BOI
Boise
$155 Roundtrip, found 1 hour ago
$155
Roundtrip
found 1 hour ago
Select United flight, departing Sat, Jan 31 from San Francisco Intl. to Boise, returning Wed, Feb 4, priced at $155 found 1 hour ago
Fri, Feb 6 - Wed, Feb 11
SFO
San Francisco Intl.
BOI
Boise
$159 Roundtrip, just found
$159
Roundtrip
just found
Select United flight, departing Fri, Feb 6 from San Francisco Intl. to Boise, returning Wed, Feb 11, priced at $159 just found
Mon, Feb 2 - Fri, Feb 6
SFO
San Francisco Intl.
BOI
Boise
$172 Roundtrip, just found
$172
Roundtrip
just found
Select United flight, departing Mon, Feb 2 from San Francisco Intl. to Boise, returning Fri, Feb 6, priced at $172 just found
Fri, Feb 6 - Wed, Feb 11
SFO
San Francisco Intl.
BOI
Boise
$190 Roundtrip, just found
$190
Roundtrip
just found
Select United flight, departing Fri, Feb 6 from San Francisco Intl. to Boise, returning Wed, Feb 11, priced at $190 just found