United Flight 5966 Deals & Information (2025/2026)

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United Flight 5966 Route Deals From $242

The cheapest prices found with in the last 7 days for return flights were $239 and $242 for one-way flights to Denver Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Sat, Aug 2 - Thu, Aug 7
ACV
Arcata - Eureka
DEN
Denver Intl.
$239 Roundtrip, found 3 days ago
$239
Roundtrip
found 3 days ago
Select United flight, departing Sat, Aug 2 from Arcata - Eureka to Denver Intl., returning Thu, Aug 7, priced at $239 found 3 days ago
Sat, Sep 13 - Sun, Sep 21
ACV
Arcata - Eureka
DEN
Denver Intl.
$244 Roundtrip, found 1 day ago
$244
Roundtrip
found 1 day ago
Select United flight, departing Sat, Sep 13 from Arcata - Eureka to Denver Intl., returning Sun, Sep 21, priced at $244 found 1 day ago
Thu, Sep 4 - Tue, Sep 9
ACV
Arcata - Eureka
DEN
Denver Intl.
$248 Roundtrip, found 1 day ago
$248
Roundtrip
found 1 day ago
Select United flight, departing Thu, Sep 4 from Arcata - Eureka to Denver Intl., returning Tue, Sep 9, priced at $248 found 1 day ago
Sat, Aug 2 - Thu, Aug 7
ACV
Arcata - Eureka
DEN
Denver Intl.
$248 Roundtrip, found 3 days ago
$248
Roundtrip
found 3 days ago
Select United flight, departing Sat, Aug 2 from Arcata - Eureka to Denver Intl., returning Thu, Aug 7, priced at $248 found 3 days ago
Fri, Jul 25 - Mon, Jul 28
ACV
Arcata - Eureka
DEN
Denver Intl.
$270 Roundtrip, found 12 hours ago
$270
Roundtrip
found 12 hours ago
Select United flight, departing Fri, Jul 25 from Arcata - Eureka to Denver Intl., returning Mon, Jul 28, priced at $270 found 12 hours ago
Sat, Sep 13 - Sun, Sep 21
ACV
Arcata - Eureka
DEN
Denver Intl.
$275 Roundtrip, found 1 day ago
$275
Roundtrip
found 1 day ago
Select United flight, departing Sat, Sep 13 from Arcata - Eureka to Denver Intl., returning Sun, Sep 21, priced at $275 found 1 day ago
Sat, Aug 2 - Thu, Aug 7
ACV
Arcata - Eureka
DEN
Denver Intl.
$280 Roundtrip, found 3 days ago
$280
Roundtrip
found 3 days ago
Select United flight, departing Sat, Aug 2 from Arcata - Eureka to Denver Intl., returning Thu, Aug 7, priced at $280 found 3 days ago
Sat, Sep 13 - Sun, Sep 21
ACV
Arcata - Eureka
DEN
Denver Intl.
$284 Roundtrip, found 3 days ago
$284
Roundtrip
found 3 days ago
Select United flight, departing Sat, Sep 13 from Arcata - Eureka to Denver Intl., returning Sun, Sep 21, priced at $284 found 3 days ago
Thu, Sep 4 - Tue, Sep 9
ACV
Arcata - Eureka
DEN
Denver Intl.
$289 Roundtrip, found 1 day ago
$289
Roundtrip
found 1 day ago
Select United flight, departing Thu, Sep 4 from Arcata - Eureka to Denver Intl., returning Tue, Sep 9, priced at $289 found 1 day ago
Sat, Aug 2 - Thu, Aug 7
ACV
Arcata - Eureka
DEN
Denver Intl.
$289 Roundtrip, found 3 days ago
$289
Roundtrip
found 3 days ago
Select United flight, departing Sat, Aug 2 from Arcata - Eureka to Denver Intl., returning Thu, Aug 7, priced at $289 found 3 days ago

Frequently asked questions

What route does flight number UA5966 take?
You'll be arriving into Arcata - Eureka Airport (ACV) from San Francisco Intl. Airport (SFO) if you're traveling on flight number UA5966. You'll be airborne for 1 hour and 29 minutes during this trip. What's more, the service conveniently operates non-stop.
What terminal does UA5966 fly out of?
Travelers on flight number UA5966 from San Francisco Airport to ACV normally jet off from Terminal 3.
What kind of plane is on flight number UA5966?
The Embraer 175 is the plane that's mostly used for flight number UA5966. This flight almost always sets off from San Francisco, CA Airport (SFO-San Francisco Intl.) and comes in to land at California Redwood Coast -- Humboldt County Airport.
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 UA5966 flight with Travelocity, please visit our Customer Service Portal.