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 $349 and $284 for one-way flights to Denver Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Fri, Oct 23 - Sun, Oct 25
ACV
Arcata - Eureka
DEN
Denver Intl.
$349 Roundtrip, found 1 hour ago
$349
Roundtrip
found 1 hour ago
Select United flight, departing Fri, Oct 23 from Arcata - Eureka to Denver Intl., returning Sun, Oct 25, priced at $349 found 1 hour ago
Fri, Oct 23 - Sun, Oct 25
ACV
Arcata - Eureka
DEN
Denver Intl.
$359 Roundtrip, found 1 hour ago
$359
Roundtrip
found 1 hour ago
Select United flight, departing Fri, Oct 23 from Arcata - Eureka to Denver Intl., returning Sun, Oct 25, priced at $359 found 1 hour ago
Thu, Oct 29 - Sun, Nov 1
ACV
Arcata - Eureka
DEN
Denver Intl.
$374 Roundtrip, found 1 hour ago
$374
Roundtrip
found 1 hour ago
Select United flight, departing Thu, Oct 29 from Arcata - Eureka to Denver Intl., returning Sun, Nov 1, priced at $374 found 1 hour ago
Fri, Oct 23 - Sun, Oct 25
ACV
Arcata - Eureka
DEN
Denver Intl.
$379 Roundtrip, found 1 hour ago
$379
Roundtrip
found 1 hour ago
Select United flight, departing Fri, Oct 23 from Arcata - Eureka to Denver Intl., returning Sun, Oct 25, priced at $379 found 1 hour ago
Thu, Oct 29 - Sun, Nov 1
ACV
Arcata - Eureka
DEN
Denver Intl.
$383 Roundtrip, found 1 hour ago
$383
Roundtrip
found 1 hour ago
Select United flight, departing Thu, Oct 29 from Arcata - Eureka to Denver Intl., returning Sun, Nov 1, priced at $383 found 1 hour ago
Thu, Oct 29 - Sun, Nov 1
ACV
Arcata - Eureka
DEN
Denver Intl.
$385 Roundtrip, found 1 hour ago
$385
Roundtrip
found 1 hour ago
Select United flight, departing Thu, Oct 29 from Arcata - Eureka to Denver Intl., returning Sun, Nov 1, priced at $385 found 1 hour ago
Thu, Oct 29 - Sun, Nov 1
ACV
Arcata - Eureka
DEN
Denver Intl.
$394 Roundtrip, found 1 hour ago
$394
Roundtrip
found 1 hour ago
Select United flight, departing Thu, Oct 29 from Arcata - Eureka to Denver Intl., returning Sun, Nov 1, priced at $394 found 1 hour ago
Fri, Oct 23 - Sun, Oct 25
ACV
Arcata - Eureka
DEN
Denver Intl.
$401 Roundtrip, found 1 hour ago
$401
Roundtrip
found 1 hour ago
Select United flight, departing Fri, Oct 23 from Arcata - Eureka to Denver Intl., returning Sun, Oct 25, priced at $401 found 1 hour ago
Thu, Oct 29 - Sun, Nov 1
ACV
Arcata - Eureka
DEN
Denver Intl.
$403 Roundtrip, found 1 hour ago
$403
Roundtrip
found 1 hour ago
Select United flight, departing Thu, Oct 29 from Arcata - Eureka to Denver Intl., returning Sun, Nov 1, priced at $403 found 1 hour ago
Thu, Oct 29 - Sun, Nov 1
ACV
Arcata - Eureka
DEN
Denver Intl.
$404 Roundtrip, found 1 hour ago
$404
Roundtrip
found 1 hour ago
Select United flight, departing Thu, Oct 29 from Arcata - Eureka to Denver Intl., returning Sun, Nov 1, priced at $404 found 1 hour ago
Fri, Oct 23 - Sun, Oct 25
ACV
Arcata - Eureka
DEN
Denver Intl.
$411 Roundtrip, found 1 hour ago
$411
Roundtrip
found 1 hour ago
Select United flight, departing Fri, Oct 23 from Arcata - Eureka to Denver Intl., returning Sun, Oct 25, priced at $411 found 1 hour ago
Fri, Oct 23 - Sun, Oct 25
ACV
Arcata - Eureka
DEN
Denver Intl.
$412 Roundtrip, found 1 hour ago
$412
Roundtrip
found 1 hour ago
Select United flight, departing Fri, Oct 23 from Arcata - Eureka to Denver Intl., returning Sun, Oct 25, priced at $412 found 1 hour ago
Thu, Oct 29 - Sun, Nov 1
ACV
Arcata - Eureka
DEN
Denver Intl.
$414 Roundtrip, found 1 hour ago
$414
Roundtrip
found 1 hour ago
Select United flight, departing Thu, Oct 29 from Arcata - Eureka to Denver Intl., returning Sun, Nov 1, priced at $414 found 1 hour ago
Fri, Oct 23 - Sun, Oct 25
ACV
Arcata - Eureka
DEN
Denver Intl.
$422 Roundtrip, found 1 hour ago
$422
Roundtrip
found 1 hour ago
Select United flight, departing Fri, Oct 23 from Arcata - Eureka to Denver Intl., returning Sun, Oct 25, priced at $422 found 1 hour ago
Fri, Oct 23 - Sun, Oct 25
ACV
Arcata - Eureka
DEN
Denver Intl.
$430 Roundtrip, found 1 hour ago
$430
Roundtrip
found 1 hour ago
Select United flight, departing Fri, Oct 23 from Arcata - Eureka to Denver Intl., returning Sun, Oct 25, priced at $430 found 1 hour ago
Thu, Oct 29 - Sun, Nov 1
ACV
Arcata - Eureka
DEN
Denver Intl.
$434 Roundtrip, found 1 hour ago
$434
Roundtrip
found 1 hour ago
Select United flight, departing Thu, Oct 29 from Arcata - Eureka to Denver Intl., returning Sun, Nov 1, priced at $434 found 1 hour 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.