United Flight 5966 Deals & Information (2026/2027)

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United Flight 5966 Route Deals From $235

The cheapest prices found with in the last 7 days for return flights were $235 and $235 for one-way flights to Denver Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, Mar 19 - Mon, Mar 23
ACV
Arcata - Eureka
DEN
Denver Intl.
$235 Roundtrip, found 5 days ago
$235
Roundtrip
found 5 days ago
Select United flight, departing Thu, Mar 19 from Arcata - Eureka to Denver Intl., returning Mon, Mar 23, priced at $235 found 5 days ago
Wed, Apr 15 - Tue, Apr 21
ACV
Arcata - Eureka
DEN
Denver Intl.
$245 Roundtrip, found 5 days ago
$245
Roundtrip
found 5 days ago
Select United flight, departing Wed, Apr 15 from Arcata - Eureka to Denver Intl., returning Tue, Apr 21, priced at $245 found 5 days ago
Wed, Apr 15 - Tue, Apr 21
ACV
Arcata - Eureka
DEN
Denver Intl.
$256 Roundtrip, found 5 days ago
$256
Roundtrip
found 5 days ago
Select United flight, departing Wed, Apr 15 from Arcata - Eureka to Denver Intl., returning Tue, Apr 21, priced at $256 found 5 days ago
Mon, Apr 13 - Wed, Apr 22
ACV
Arcata - Eureka
DEN
Denver Intl.
$271 Roundtrip, found 5 days ago
$271
Roundtrip
found 5 days ago
Select United flight, departing Mon, Apr 13 from Arcata - Eureka to Denver Intl., returning Wed, Apr 22, priced at $271 found 5 days ago
Wed, Apr 15 - Tue, Apr 21
ACV
Arcata - Eureka
DEN
Denver Intl.
$294 Roundtrip, found 5 days ago
$294
Roundtrip
found 5 days ago
Select United flight, departing Wed, Apr 15 from Arcata - Eureka to Denver Intl., returning Tue, Apr 21, priced at $294 found 5 days ago
Mon, Apr 13 - Wed, Apr 22
ACV
Arcata - Eureka
DEN
Denver Intl.
$295 Roundtrip, found 5 days ago
$295
Roundtrip
found 5 days ago
Select United flight, departing Mon, Apr 13 from Arcata - Eureka to Denver Intl., returning Wed, Apr 22, priced at $295 found 5 days ago
Mon, Apr 13 - Wed, Apr 22
ACV
Arcata - Eureka
DEN
Denver Intl.
$298 Roundtrip, found 5 days ago
$298
Roundtrip
found 5 days ago
Select United flight, departing Mon, Apr 13 from Arcata - Eureka to Denver Intl., returning Wed, Apr 22, priced at $298 found 5 days ago
Wed, Apr 15 - Tue, Apr 21
ACV
Arcata - Eureka
DEN
Denver Intl.
$301 Roundtrip, found 5 days ago
$301
Roundtrip
found 5 days ago
Select United flight, departing Wed, Apr 15 from Arcata - Eureka to Denver Intl., returning Tue, Apr 21, priced at $301 found 5 days ago
Wed, Apr 15 - Tue, Apr 21
ACV
Arcata - Eureka
DEN
Denver Intl.
$306 Roundtrip, found 5 days ago
$306
Roundtrip
found 5 days ago
Select United flight, departing Wed, Apr 15 from Arcata - Eureka to Denver Intl., returning Tue, Apr 21, priced at $306 found 5 days ago
Thu, Mar 19 - Mon, Mar 23
ACV
Arcata - Eureka
DEN
Denver Intl.
$315 Roundtrip, found 5 days ago
$315
Roundtrip
found 5 days ago
Select United flight, departing Thu, Mar 19 from Arcata - Eureka to Denver Intl., returning Mon, Mar 23, priced at $315 found 5 days ago
Mon, Apr 13 - Wed, Apr 22
ACV
Arcata - Eureka
DEN
Denver Intl.
$321 Roundtrip, found 5 days ago
$321
Roundtrip
found 5 days ago
Select United flight, departing Mon, Apr 13 from Arcata - Eureka to Denver Intl., returning Wed, Apr 22, priced at $321 found 5 days ago
Wed, Apr 15 - Tue, Apr 21
ACV
Arcata - Eureka
DEN
Denver Intl.
$325 Roundtrip, found 5 days ago
$325
Roundtrip
found 5 days ago
Select United flight, departing Wed, Apr 15 from Arcata - Eureka to Denver Intl., returning Tue, Apr 21, priced at $325 found 5 days ago
Sat, Apr 18 - Sun, Apr 19
ACV
Arcata - Eureka
DEN
Denver Intl.
$352 Roundtrip, found 2 days ago
$352
Roundtrip
found 2 days ago
Select United flight, departing Sat, Apr 18 from Arcata - Eureka to Denver Intl., returning Sun, Apr 19, priced at $352 found 2 days ago
Sat, Apr 18 - Sun, Apr 19
ACV
Arcata - Eureka
DEN
Denver Intl.
$402 Roundtrip, found 2 days ago
$402
Roundtrip
found 2 days ago
Select United flight, departing Sat, Apr 18 from Arcata - Eureka to Denver Intl., returning Sun, Apr 19, priced at $402 found 2 days ago
Tue, Apr 21 - Wed, Apr 22
ACV
Arcata - Eureka
DEN
Denver Intl.
$548 Roundtrip, found 2 days ago
$548
Roundtrip
found 2 days ago
Select United flight, departing Tue, Apr 21 from Arcata - Eureka to Denver Intl., returning Wed, Apr 22, priced at $548 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.