United Flight AS419 Deals & Information (2025/2026)

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United Flight 419 Route Deals From $99

The cheapest prices found with in the last 7 days for return flights were $201 and $99 for one-way flights to Newark Liberty Intl. Airport for the period specified. Prices and availability are subject to change. Additional terms apply.

Sat, May 24 - Sat, May 31
SFO
San Francisco Intl.
EWR
Newark Liberty Intl. Airport
$201 Roundtrip, just found
$201
Roundtrip
just found
Select United flight, departing Sat, May 24 from San Francisco Intl. to Newark Liberty Intl. Airport, returning Sat, May 31, priced at $201 just found
Sat, May 24 - Sat, May 31
SFO
San Francisco Intl.
EWR
Newark Liberty Intl. Airport
$211 Roundtrip, just found
$211
Roundtrip
just found
Select United flight, departing Sat, May 24 from San Francisco Intl. to Newark Liberty Intl. Airport, returning Sat, May 31, priced at $211 just found
Sat, May 24 - Sat, May 31
SFO
San Francisco Intl.
EWR
Newark Liberty Intl. Airport
$221 Roundtrip, just found
$221
Roundtrip
just found
Select United flight, departing Sat, May 24 from San Francisco Intl. to Newark Liberty Intl. Airport, returning Sat, May 31, priced at $221 just found
Tue, May 20 - Sat, May 24
SFO
San Francisco Intl.
EWR
Newark Liberty Intl. Airport
$238 Roundtrip, just found
$238
Roundtrip
just found
Select United flight, departing Tue, May 20 from San Francisco Intl. to Newark Liberty Intl. Airport, returning Sat, May 24, priced at $238 just found
Tue, May 20 - Sat, May 24
SFO
San Francisco Intl.
EWR
Newark Liberty Intl. Airport
$246 Roundtrip, just found
$246
Roundtrip
just found
Select United flight, departing Tue, May 20 from San Francisco Intl. to Newark Liberty Intl. Airport, returning Sat, May 24, priced at $246 just found
Sat, May 24 - Sat, May 31
SFO
San Francisco Intl.
EWR
Newark Liberty Intl. Airport
$257 Roundtrip, just found
$257
Roundtrip
just found
Select United flight, departing Sat, May 24 from San Francisco Intl. to Newark Liberty Intl. Airport, returning Sat, May 31, priced at $257 just found
Sat, May 24 - Sat, May 31
SFO
San Francisco Intl.
EWR
Newark Liberty Intl. Airport
$262 Roundtrip, just found
$262
Roundtrip
just found
Select United flight, departing Sat, May 24 from San Francisco Intl. to Newark Liberty Intl. Airport, returning Sat, May 31, priced at $262 just found
Fri, May 30 - Fri, Jun 6
SFO
San Francisco Intl.
EWR
Newark Liberty Intl. Airport
$263 Roundtrip, just found
$263
Roundtrip
just found
Select United flight, departing Fri, May 30 from San Francisco Intl. to Newark Liberty Intl. Airport, returning Fri, Jun 6, priced at $263 just found
Mon, Jun 2 - Tue, Jun 10
SFO
San Francisco Intl.
EWR
Newark Liberty Intl. Airport
$264 Roundtrip, found 8 hours ago
$264
Roundtrip
found 8 hours ago
Select United flight, departing Mon, Jun 2 from San Francisco Intl. to Newark Liberty Intl. Airport, returning Tue, Jun 10, priced at $264 found 8 hours ago

Frequently asked questions

What route does flight number UA419 take?
UA419 takes several routes. The most frequently flown is between Denver Intl. Airport (DEN) and San Francisco Airport, which flies direct. This flight takes about 2 hours and 44 minutes. However, there are likely to be other flights with the same number that have one or more stops.
What kind of plane is on flight number UA419?
You’re likely to travel aboard a Boeing 737-800 if you’ve reserved a seat on flight number UA419 from Denver, CO Airport (DEN-Denver Intl.) to San Francisco Intl. Airport (SFO). This is the most commonly used aircraft on this 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 UA419 flight with Travelocity, please visit our Customer Service Portal.