United Flight 5966 Deals & Information (2025/2026)

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United Flight 5966 Route Deals From $319

The cheapest prices found with in the last 7 days for return flights were $356 and $319 for one-way flights to Denver Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Sat, Nov 15 - Mon, Nov 17
ACV
Arcata - Eureka
DEN
Denver Intl.
$356 Roundtrip, found 2 days ago
$356
Roundtrip
found 2 days ago
Select United flight, departing Sat, Nov 15 from Arcata - Eureka to Denver Intl., returning Mon, Nov 17, priced at $356 found 2 days ago
Sat, Nov 15 - Mon, Nov 17
ACV
Arcata - Eureka
DEN
Denver Intl.
$365 Roundtrip, found 2 days ago
$365
Roundtrip
found 2 days ago
Select United flight, departing Sat, Nov 15 from Arcata - Eureka to Denver Intl., returning Mon, Nov 17, priced at $365 found 2 days ago
Sat, Nov 15 - Mon, Nov 17
ACV
Arcata - Eureka
DEN
Denver Intl.
$406 Roundtrip, found 2 days ago
$406
Roundtrip
found 2 days ago
Select United flight, departing Sat, Nov 15 from Arcata - Eureka to Denver Intl., returning Mon, Nov 17, priced at $406 found 2 days ago
Sat, Nov 15 - Mon, Nov 17
ACV
Arcata - Eureka
DEN
Denver Intl.
$416 Roundtrip, found 2 days ago
$416
Roundtrip
found 2 days ago
Select United flight, departing Sat, Nov 15 from Arcata - Eureka to Denver Intl., returning Mon, Nov 17, priced at $416 found 2 days ago
Wed, Dec 3 - Fri, Jan 2
ACV
Arcata - Eureka
DEN
Denver Intl.
$427 Roundtrip, found 1 day ago
$427
Roundtrip
found 1 day ago
Select United flight, departing Wed, Dec 3 from Arcata - Eureka to Denver Intl., returning Fri, Jan 2, priced at $427 found 1 day ago
Wed, Dec 3 - Fri, Jan 2
ACV
Arcata - Eureka
DEN
Denver Intl.
$477 Roundtrip, found 1 day ago
$477
Roundtrip
found 1 day ago
Select United flight, departing Wed, Dec 3 from Arcata - Eureka to Denver Intl., returning Fri, Jan 2, priced at $477 found 1 day ago
Wed, Dec 3 - Fri, Jan 2
ACV
Arcata - Eureka
DEN
Denver Intl.
$483 Roundtrip, found 1 day ago
$483
Roundtrip
found 1 day ago
Select United flight, departing Wed, Dec 3 from Arcata - Eureka to Denver Intl., returning Fri, Jan 2, priced at $483 found 1 day ago
Sat, Nov 15 - Mon, Nov 17
ACV
Arcata - Eureka
DEN
Denver Intl.
$488 Roundtrip, found 2 days ago
$488
Roundtrip
found 2 days ago
Select United flight, departing Sat, Nov 15 from Arcata - Eureka to Denver Intl., returning Mon, Nov 17, priced at $488 found 2 days ago
Sat, Nov 15 - Mon, Nov 17
ACV
Arcata - Eureka
DEN
Denver Intl.
$498 Roundtrip, found 2 days ago
$498
Roundtrip
found 2 days ago
Select United flight, departing Sat, Nov 15 from Arcata - Eureka to Denver Intl., returning Mon, Nov 17, priced at $498 found 2 days ago
Sat, Nov 15 - Mon, Nov 17
ACV
Arcata - Eureka
DEN
Denver Intl.
$499 Roundtrip, found 2 days ago
$499
Roundtrip
found 2 days ago
Select United flight, departing Sat, Nov 15 from Arcata - Eureka to Denver Intl., returning Mon, Nov 17, priced at $499 found 2 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.