United Flight UA5966 Deals & Information (2025/2026)

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United Flight 5966 Route Deals From $237

The cheapest prices found with in the last 7 days for return flights were $244 and $237 for one-way flights to Denver Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Sat, Sep 20 - Wed, Sep 24
ACV
Arcata - Eureka
DEN
Denver Intl.
$244 Roundtrip, found 2 days ago
$244
Roundtrip
found 2 days ago
Select United flight, departing Sat, Sep 20 from Arcata - Eureka to Denver Intl., returning Wed, Sep 24, priced at $244 found 2 days ago
Mon, Aug 25 - Sun, Aug 31
ACV
Arcata - Eureka
DEN
Denver Intl.
$248 Roundtrip, found 3 days ago
$248
Roundtrip
found 3 days ago
Select United flight, departing Mon, Aug 25 from Arcata - Eureka to Denver Intl., returning Sun, Aug 31, priced at $248 found 3 days 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, Jul 12 - Tue, Jul 15
ACV
Arcata - Eureka
DEN
Denver Intl.
$281 Roundtrip, found 2 days ago
$281
Roundtrip
found 2 days ago
Select United flight, departing Sat, Jul 12 from Arcata - Eureka to Denver Intl., returning Tue, Jul 15, priced at $281 found 2 days ago
Wed, Aug 27 - Tue, Sep 2
ACV
Arcata - Eureka
DEN
Denver Intl.
$284 Roundtrip, found 3 days ago
$284
Roundtrip
found 3 days ago
Select United flight, departing Wed, Aug 27 from Arcata - Eureka to Denver Intl., returning Tue, Sep 2, priced at $284 found 3 days ago
Sun, Aug 24 - Sat, Aug 30
ACV
Arcata - Eureka
DEN
Denver Intl.
$289 Roundtrip, found 3 days ago
$289
Roundtrip
found 3 days ago
Select United flight, departing Sun, Aug 24 from Arcata - Eureka to Denver Intl., returning Sat, Aug 30, priced at $289 found 3 days ago
Mon, Aug 25 - Sun, Aug 31
ACV
Arcata - Eureka
DEN
Denver Intl.
$300 Roundtrip, found 3 days ago
$300
Roundtrip
found 3 days ago
Select United flight, departing Mon, Aug 25 from Arcata - Eureka to Denver Intl., returning Sun, Aug 31, priced at $300 found 3 days ago
Wed, Aug 27 - Tue, Sep 2
ACV
Arcata - Eureka
DEN
Denver Intl.
$304 Roundtrip, found 3 days ago
$304
Roundtrip
found 3 days ago
Select United flight, departing Wed, Aug 27 from Arcata - Eureka to Denver Intl., returning Tue, Sep 2, priced at $304 found 3 days ago
Sat, Jul 12 - Tue, Jul 15
ACV
Arcata - Eureka
DEN
Denver Intl.
$307 Roundtrip, found 2 days ago
$307
Roundtrip
found 2 days ago
Select United flight, departing Sat, Jul 12 from Arcata - Eureka to Denver Intl., returning Tue, Jul 15, priced at $307 found 2 days ago
Sun, Aug 24 - Sat, Aug 30
ACV
Arcata - Eureka
DEN
Denver Intl.
$310 Roundtrip, found 3 days ago
$310
Roundtrip
found 3 days ago
Select United flight, departing Sun, Aug 24 from Arcata - Eureka to Denver Intl., returning Sat, Aug 30, priced at $310 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.