United Flight 670 Deals & Information (2026/2027)

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United Flight 670 Route Deals From $102

The cheapest prices found with in the last 7 days for return flights were $203 and $102 for one-way flights to Denver Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, Sep 30 - Tue, Oct 6
EWR
Newark Liberty Intl. Airport
DEN
Denver Intl.
$203 Roundtrip, found 10 hours ago
$203
Roundtrip
found 10 hours ago
Select United flight, departing Wed, Sep 30 from Newark Liberty Intl. Airport to Denver Intl., returning Tue, Oct 6, priced at $203 found 10 hours ago
Tue, Aug 4 - Wed, Aug 5
EWR
Newark Liberty Intl. Airport
DEN
Denver Intl.
$208 Roundtrip, found 15 hours ago
$208
Roundtrip
found 15 hours ago
Select United flight, departing Tue, Aug 4 from Newark Liberty Intl. Airport to Denver Intl., returning Wed, Aug 5, priced at $208 found 15 hours ago
Wed, Sep 30 - Tue, Oct 6
EWR
Newark Liberty Intl. Airport
DEN
Denver Intl.
$218 Roundtrip, found 10 hours ago
$218
Roundtrip
found 10 hours ago
Select United flight, departing Wed, Sep 30 from Newark Liberty Intl. Airport to Denver Intl., returning Tue, Oct 6, priced at $218 found 10 hours ago
Tue, Aug 11 - Mon, Aug 17
EWR
Newark Liberty Intl. Airport
DEN
Denver Intl.
$224 Roundtrip, found 14 hours ago
$224
Roundtrip
found 14 hours ago
Select United flight, departing Tue, Aug 11 from Newark Liberty Intl. Airport to Denver Intl., returning Mon, Aug 17, priced at $224 found 14 hours ago
Tue, Aug 11 - Wed, Aug 19
EWR
Newark Liberty Intl. Airport
DEN
Denver Intl.
$229 Roundtrip, found 15 hours ago
$229
Roundtrip
found 15 hours ago
Select United flight, departing Tue, Aug 11 from Newark Liberty Intl. Airport to Denver Intl., returning Wed, Aug 19, priced at $229 found 15 hours ago
Wed, Sep 30 - Tue, Oct 6
EWR
Newark Liberty Intl. Airport
DEN
Denver Intl.
$233 Roundtrip, found 10 hours ago
$233
Roundtrip
found 10 hours ago
Select United flight, departing Wed, Sep 30 from Newark Liberty Intl. Airport to Denver Intl., returning Tue, Oct 6, priced at $233 found 10 hours ago
Thu, Sep 3 - Sat, Sep 12
EWR
Newark Liberty Intl. Airport
DEN
Denver Intl.
$245 Roundtrip, found 3 hours ago
$245
Roundtrip
found 3 hours ago
Select United flight, departing Thu, Sep 3 from Newark Liberty Intl. Airport to Denver Intl., returning Sat, Sep 12, priced at $245 found 3 hours ago
Fri, Aug 14 - Tue, Aug 18
EWR
Newark Liberty Intl. Airport
DEN
Denver Intl.
$246 Roundtrip, found 7 hours ago
$246
Roundtrip
found 7 hours ago
Select United flight, departing Fri, Aug 14 from Newark Liberty Intl. Airport to Denver Intl., returning Tue, Aug 18, priced at $246 found 7 hours ago
Fri, Aug 14 - Tue, Aug 18
EWR
Newark Liberty Intl. Airport
DEN
Denver Intl.
$261 Roundtrip, found 7 hours ago
$261
Roundtrip
found 7 hours ago
Select United flight, departing Fri, Aug 14 from Newark Liberty Intl. Airport to Denver Intl., returning Tue, Aug 18, priced at $261 found 7 hours ago
Wed, Sep 30 - Tue, Oct 6
EWR
Newark Liberty Intl. Airport
DEN
Denver Intl.
$263 Roundtrip, found 10 hours ago
$263
Roundtrip
found 10 hours ago
Select United flight, departing Wed, Sep 30 from Newark Liberty Intl. Airport to Denver Intl., returning Tue, Oct 6, priced at $263 found 10 hours ago
Tue, Aug 4 - Wed, Aug 5
EWR
Newark Liberty Intl. Airport
DEN
Denver Intl.
$269 Roundtrip, found 15 hours ago
$269
Roundtrip
found 15 hours ago
Select United flight, departing Tue, Aug 4 from Newark Liberty Intl. Airport to Denver Intl., returning Wed, Aug 5, priced at $269 found 15 hours ago
Tue, Aug 11 - Mon, Aug 17
EWR
Newark Liberty Intl. Airport
DEN
Denver Intl.
$276 Roundtrip, found 14 hours ago
$276
Roundtrip
found 14 hours ago
Select United flight, departing Tue, Aug 11 from Newark Liberty Intl. Airport to Denver Intl., returning Mon, Aug 17, priced at $276 found 14 hours ago
Wed, Sep 30 - Tue, Oct 6
EWR
Newark Liberty Intl. Airport
DEN
Denver Intl.
$278 Roundtrip, found 10 hours ago
$278
Roundtrip
found 10 hours ago
Select United flight, departing Wed, Sep 30 from Newark Liberty Intl. Airport to Denver Intl., returning Tue, Oct 6, priced at $278 found 10 hours ago
Wed, Sep 16 - Sun, Sep 20
EWR
Newark Liberty Intl. Airport
DEN
Denver Intl.
$281 Roundtrip, found 4 hours ago
$281
Roundtrip
found 4 hours ago
Select United flight, departing Wed, Sep 16 from Newark Liberty Intl. Airport to Denver Intl., returning Sun, Sep 20, priced at $281 found 4 hours ago

Frequently asked questions

What route does flight number UA670 take?
UA670 is used on a number of routes. Most commonly, UA670 flies directly from John Wayne Airport (SNA) to DEN. If this is your route, you'll be airborne for around 2 hours and 18 minutes.
What kind of plane is on flight number UA670?
It's likely you'll travel aboard the Airbus A320 if you're taking flight number UA670 from Orange County, CA Airport (SNA-John Wayne) to DIA airport. It's the most commonly used aircraft on this busy route.
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 UA670 flight with Travelocity, please visit our Customer Service Portal.