United Flight 5566 Deals & Information (2025/2026)

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United Flight 5566 Route Deals From $204

The cheapest prices found with in the last 7 days for return flights were $179 and $204 for one-way flights to Sacramento Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Fri, Nov 14 - Sun, Dec 7
SFO
San Francisco Intl.
SMF
Sacramento Intl.
$179 Roundtrip, found 2 days ago
$179
Roundtrip
found 2 days ago
Select United flight, departing Fri, Nov 14 from San Francisco Intl. to Sacramento Intl., returning Sun, Dec 7, priced at $179 found 2 days ago
Fri, Nov 14 - Sun, Dec 7
SFO
San Francisco Intl.
SMF
Sacramento Intl.
$187 Roundtrip, found 2 days ago
$187
Roundtrip
found 2 days ago
Select United flight, departing Fri, Nov 14 from San Francisco Intl. to Sacramento Intl., returning Sun, Dec 7, priced at $187 found 2 days ago
Fri, Sep 26 - Sun, Sep 28
SFO
San Francisco Intl.
SMF
Sacramento Intl.
$188 Roundtrip, found 22 hours ago
$188
Roundtrip
found 22 hours ago
Select United flight, departing Fri, Sep 26 from San Francisco Intl. to Sacramento Intl., returning Sun, Sep 28, priced at $188 found 22 hours ago
Fri, Nov 14 - Sun, Dec 7
SFO
San Francisco Intl.
SMF
Sacramento Intl.
$190 Roundtrip, found 2 days ago
$190
Roundtrip
found 2 days ago
Select United flight, departing Fri, Nov 14 from San Francisco Intl. to Sacramento Intl., returning Sun, Dec 7, priced at $190 found 2 days ago
Thu, Dec 18 - Wed, Dec 31
SFO
San Francisco Intl.
SMF
Sacramento Intl.
$192 Roundtrip, found 2 days ago
$192
Roundtrip
found 2 days ago
Select United flight, departing Thu, Dec 18 from San Francisco Intl. to Sacramento Intl., returning Wed, Dec 31, priced at $192 found 2 days ago
Fri, Sep 19 - Mon, Sep 22
SFO
San Francisco Intl.
SMF
Sacramento Intl.
$193 Roundtrip, found 4 days ago
$193
Roundtrip
found 4 days ago
Select United flight, departing Fri, Sep 19 from San Francisco Intl. to Sacramento Intl., returning Mon, Sep 22, priced at $193 found 4 days ago
Fri, Sep 26 - Sun, Sep 28
SFO
San Francisco Intl.
SMF
Sacramento Intl.
$195 Roundtrip, found 22 hours ago
$195
Roundtrip
found 22 hours ago
Select United flight, departing Fri, Sep 26 from San Francisco Intl. to Sacramento Intl., returning Sun, Sep 28, priced at $195 found 22 hours ago
Fri, Nov 14 - Sun, Dec 7
SFO
San Francisco Intl.
SMF
Sacramento Intl.
$198 Roundtrip, found 2 days ago
$198
Roundtrip
found 2 days ago
Select United flight, departing Fri, Nov 14 from San Francisco Intl. to Sacramento Intl., returning Sun, Dec 7, priced at $198 found 2 days ago
Fri, Sep 26 - Sun, Sep 28
SFO
San Francisco Intl.
SMF
Sacramento Intl.
$204 Roundtrip, found 22 hours ago
$204
Roundtrip
found 22 hours ago
Select United flight, departing Fri, Sep 26 from San Francisco Intl. to Sacramento Intl., returning Sun, Sep 28, priced at $204 found 22 hours ago
Mon, Oct 13 - Wed, Oct 29
SFO
San Francisco Intl.
SMF
Sacramento Intl.
$212 Roundtrip, found 5 days ago
$212
Roundtrip
found 5 days ago
Select United flight, departing Mon, Oct 13 from San Francisco Intl. to Sacramento Intl., returning Wed, Oct 29, priced at $212 found 5 days ago
Fri, Nov 14 - Sun, Dec 7
SFO
San Francisco Intl.
SMF
Sacramento Intl.
$219 Roundtrip, found 2 days ago
$219
Roundtrip
found 2 days ago
Select United flight, departing Fri, Nov 14 from San Francisco Intl. to Sacramento Intl., returning Sun, Dec 7, priced at $219 found 2 days ago
Mon, Oct 13 - Wed, Oct 29
SFO
San Francisco Intl.
SMF
Sacramento Intl.
$222 Roundtrip, found 5 days ago
$222
Roundtrip
found 5 days ago
Select United flight, departing Mon, Oct 13 from San Francisco Intl. to Sacramento Intl., returning Wed, Oct 29, priced at $222 found 5 days ago
Fri, Sep 26 - Sun, Sep 28
SFO
San Francisco Intl.
SMF
Sacramento Intl.
$228 Roundtrip, found 22 hours ago
$228
Roundtrip
found 22 hours ago
Select United flight, departing Fri, Sep 26 from San Francisco Intl. to Sacramento Intl., returning Sun, Sep 28, priced at $228 found 22 hours ago

Frequently asked questions

What route does flight number UA5566 take?
UA5566 flies directly from DFW Airport to San Francisco Airport in around 3 hours and 52 minutes. It can sometimes take other routes though, some of which may be multi-stop journeys. Keep this in mind when booking your seat to avoid any confusion.
What terminal does UA5566 fly out of?
Terminal E is the terminal you'll likely depart from if you're booked on a flight out of DFW. Dallas-Fort Worth Intl. Airport (DFW) to SFO is the most commonly traveled route for flight number UA5566.
What kind of plane is on flight number UA5566?
If you've booked a seat on flight UA5566 from Dallas-Fort Worth Intl. Airport (DFW) to SFO, there's every chance you'll be on board the Embraer 175. Flight UA5566 serves many routes, but this is the busiest.
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 UA5566 flight with Travelocity, please visit our Customer Service Portal.