United Flight F9284 Deals & Information (2025/2026)

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United Flight 284 Route Deals From $81

The cheapest prices found with in the last 7 days for return flights were $159 and $81 for one-way flights to Washington Dulles Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Fri, Sep 19 - Sun, Sep 21
LAS
Harry Reid Intl.
IAD
Washington Dulles Intl.
$159 Roundtrip, found 1 day ago
$159
Roundtrip
found 1 day ago
Select United flight, departing Fri, Sep 19 from Harry Reid Intl. to Washington Dulles Intl., returning Sun, Sep 21, priced at $159 found 1 day ago
Thu, Aug 14 - Sun, Aug 17
LAS
Harry Reid Intl.
IAD
Washington Dulles Intl.
$164 Roundtrip, found 2 days ago
$164
Roundtrip
found 2 days ago
Select United flight, departing Thu, Aug 14 from Harry Reid Intl. to Washington Dulles Intl., returning Sun, Aug 17, priced at $164 found 2 days ago
Fri, Jul 4 - Sun, Jul 13
LAS
Harry Reid Intl.
IAD
Washington Dulles Intl.
$213 Roundtrip, found 2 days ago
$213
Roundtrip
found 2 days ago
Select United flight, departing Fri, Jul 4 from Harry Reid Intl. to Washington Dulles Intl., returning Sun, Jul 13, priced at $213 found 2 days ago
Wed, Aug 6 - Fri, Aug 8
LAS
Harry Reid Intl.
IAD
Washington Dulles Intl.
$221 Roundtrip, found 5 days ago
$221
Roundtrip
found 5 days ago
Select United flight, departing Wed, Aug 6 from Harry Reid Intl. to Washington Dulles Intl., returning Fri, Aug 8, priced at $221 found 5 days ago

Frequently asked questions

What route does flight number UA284 take?
UA284 operates directly from Denver Intl. Airport (DEN) to SMF. During this trip, you can expect to be in the air for about 2 hours and 33 minutes. It pays to book ahead to get your favorite seat.
What kind of plane is on flight number UA284?
There's a good chance you'll find yourself stepping on board a Boeing 737-800 if your flight number is UA284. Generally, this flight sets off from DEN and touches down at Sacramento 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 UA284 flight with Travelocity, please visit our Customer Service Portal.