United Flight 5966 Deals & Information (2026/2027)

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United Flight 5966 Route Deals From $289

The cheapest prices found with in the last 7 days for return flights were $317 and $289 for one-way flights to Denver Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Fri, May 8 - Mon, May 11
ACV
Arcata - Eureka
DEN
Denver Intl.
$317 Roundtrip, found 1 day ago
$317
Roundtrip
found 1 day ago
Select United flight, departing Fri, May 8 from Arcata - Eureka to Denver Intl., returning Mon, May 11, priced at $317 found 1 day ago
Tue, Apr 7 - Sat, Apr 11
ACV
Arcata - Eureka
DEN
Denver Intl.
$324 Roundtrip, found 6 days ago
$324
Roundtrip
found 6 days ago
Select United flight, departing Tue, Apr 7 from Arcata - Eureka to Denver Intl., returning Sat, Apr 11, priced at $324 found 6 days ago
Tue, Aug 25 - Fri, Sep 4
ACV
Arcata - Eureka
DEN
Denver Intl.
$356 Roundtrip, found 5 days ago
$356
Roundtrip
found 5 days ago
Select United flight, departing Tue, Aug 25 from Arcata - Eureka to Denver Intl., returning Fri, Sep 4, priced at $356 found 5 days ago
Wed, Aug 26 - Fri, Sep 4
ACV
Arcata - Eureka
DEN
Denver Intl.
$366 Roundtrip, found 5 days ago
$366
Roundtrip
found 5 days ago
Select United flight, departing Wed, Aug 26 from Arcata - Eureka to Denver Intl., returning Fri, Sep 4, priced at $366 found 5 days ago
Fri, May 8 - Mon, May 11
ACV
Arcata - Eureka
DEN
Denver Intl.
$373 Roundtrip, found 1 day ago
$373
Roundtrip
found 1 day ago
Select United flight, departing Fri, May 8 from Arcata - Eureka to Denver Intl., returning Mon, May 11, priced at $373 found 1 day ago
Thu, Jun 11 - Mon, Jun 15
ACV
Arcata - Eureka
DEN
Denver Intl.
$378 Roundtrip, found 11 hours ago
$378
Roundtrip
found 11 hours ago
Select United flight, departing Thu, Jun 11 from Arcata - Eureka to Denver Intl., returning Mon, Jun 15, priced at $378 found 11 hours ago
Thu, Apr 9 - Mon, Apr 13
ACV
Arcata - Eureka
DEN
Denver Intl.
$379 Roundtrip, found 6 days ago
$379
Roundtrip
found 6 days ago
Select United flight, departing Thu, Apr 9 from Arcata - Eureka to Denver Intl., returning Mon, Apr 13, priced at $379 found 6 days ago
Wed, Apr 8 - Sun, Apr 12
ACV
Arcata - Eureka
DEN
Denver Intl.
$383 Roundtrip, found 6 days ago
$383
Roundtrip
found 6 days ago
Select United flight, departing Wed, Apr 8 from Arcata - Eureka to Denver Intl., returning Sun, Apr 12, priced at $383 found 6 days ago
Tue, Aug 25 - Fri, Sep 4
ACV
Arcata - Eureka
DEN
Denver Intl.
$386 Roundtrip, found 5 days ago
$386
Roundtrip
found 5 days ago
Select United flight, departing Tue, Aug 25 from Arcata - Eureka to Denver Intl., returning Fri, Sep 4, priced at $386 found 5 days ago
Thu, Apr 9 - Mon, Apr 13
ACV
Arcata - Eureka
DEN
Denver Intl.
$394 Roundtrip, found 6 days ago
$394
Roundtrip
found 6 days ago
Select United flight, departing Thu, Apr 9 from Arcata - Eureka to Denver Intl., returning Mon, Apr 13, priced at $394 found 6 days ago
Fri, May 8 - Mon, May 11
ACV
Arcata - Eureka
DEN
Denver Intl.
$395 Roundtrip, found 1 day ago
$395
Roundtrip
found 1 day ago
Select United flight, departing Fri, May 8 from Arcata - Eureka to Denver Intl., returning Mon, May 11, priced at $395 found 1 day ago
Wed, Aug 26 - Fri, Sep 4
ACV
Arcata - Eureka
DEN
Denver Intl.
$396 Roundtrip, found 5 days ago
$396
Roundtrip
found 5 days ago
Select United flight, departing Wed, Aug 26 from Arcata - Eureka to Denver Intl., returning Fri, Sep 4, priced at $396 found 5 days ago
Fri, May 8 - Mon, May 11
ACV
Arcata - Eureka
DEN
Denver Intl.
$401 Roundtrip, found 1 day ago
$401
Roundtrip
found 1 day ago
Select United flight, departing Fri, May 8 from Arcata - Eureka to Denver Intl., returning Mon, May 11, priced at $401 found 1 day ago
Thu, Apr 9 - Mon, Apr 13
ACV
Arcata - Eureka
DEN
Denver Intl.
$403 Roundtrip, found 6 days ago
$403
Roundtrip
found 6 days ago
Select United flight, departing Thu, Apr 9 from Arcata - Eureka to Denver Intl., returning Mon, Apr 13, priced at $403 found 6 days ago
Tue, Aug 25 - Fri, Sep 4
ACV
Arcata - Eureka
DEN
Denver Intl.
$408 Roundtrip, found 5 days ago
$408
Roundtrip
found 5 days ago
Select United flight, departing Tue, Aug 25 from Arcata - Eureka to Denver Intl., returning Fri, Sep 4, priced at $408 found 5 days ago
Tue, Apr 7 - Sat, Apr 11
ACV
Arcata - Eureka
DEN
Denver Intl.
$410 Roundtrip, found 6 days ago
$410
Roundtrip
found 6 days ago
Select United flight, departing Tue, Apr 7 from Arcata - Eureka to Denver Intl., returning Sat, Apr 11, priced at $410 found 6 days ago
Fri, May 8 - Mon, May 11
ACV
Arcata - Eureka
DEN
Denver Intl.
$412 Roundtrip, found 1 day ago
$412
Roundtrip
found 1 day ago
Select United flight, departing Fri, May 8 from Arcata - Eureka to Denver Intl., returning Mon, May 11, priced at $412 found 1 day 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.