United Flight 5966 Deals & Information (2026/2027)

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United Flight 5966 Route Deals From $284

The cheapest prices found with in the last 7 days for return flights were $452 and $284 for one-way flights to Denver Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Fri, May 14 - Mon, May 31
ACV
Arcata - Eureka
DEN
Denver Intl.
$452 Roundtrip, found 2 days ago
$452
Roundtrip
found 2 days ago
Select United flight, departing Fri, May 14 from Arcata - Eureka to Denver Intl., returning Mon, May 31, priced at $452 found 2 days ago
Tue, Nov 24 - Sat, Nov 28
ACV
Arcata - Eureka
DEN
Denver Intl.
$847 Roundtrip, found 6 days ago
$847
Roundtrip
found 6 days ago
Select United flight, departing Tue, Nov 24 from Arcata - Eureka to Denver Intl., returning Sat, Nov 28, priced at $847 found 6 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.