United Flight F9780 Deals & Information (2025/2026)

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United Flight 780 Route Deals From $80

The cheapest prices found with in the last 7 days for return flights were $159 and $80 for one-way flights to Harry Reid Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, Aug 20 - Fri, Aug 22
IAD
Washington Dulles Intl.
LAS
Harry Reid Intl.
$159 Roundtrip, found 1 hour ago
$159
Roundtrip
found 1 hour ago
Select United flight, departing Wed, Aug 20 from Washington Dulles Intl. to Harry Reid Intl., returning Fri, Aug 22, priced at $159 found 1 hour ago
Wed, Aug 20 - Fri, Aug 22
IAD
Washington Dulles Intl.
LAS
Harry Reid Intl.
$164 Roundtrip, found 1 hour ago
$164
Roundtrip
found 1 hour ago
Select United flight, departing Wed, Aug 20 from Washington Dulles Intl. to Harry Reid Intl., returning Fri, Aug 22, priced at $164 found 1 hour ago
Wed, Jul 16 - Thu, Jul 17
IAD
Washington Dulles Intl.
LAS
Harry Reid Intl.
$179 Roundtrip, found 18 hours ago
$179
Roundtrip
found 18 hours ago
Select United flight, departing Wed, Jul 16 from Washington Dulles Intl. to Harry Reid Intl., returning Thu, Jul 17, priced at $179 found 18 hours ago
Thu, Sep 11 - Fri, Sep 12
IAD
Washington Dulles Intl.
LAS
Harry Reid Intl.
$198 Roundtrip, found 14 hours ago
$198
Roundtrip
found 14 hours ago
Select United flight, departing Thu, Sep 11 from Washington Dulles Intl. to Harry Reid Intl., returning Fri, Sep 12, priced at $198 found 14 hours ago
Wed, Aug 27 - Sun, Aug 31
IAD
Washington Dulles Intl.
LAS
Harry Reid Intl.
$204 Roundtrip, found 9 hours ago
$204
Roundtrip
found 9 hours ago
Select United flight, departing Wed, Aug 27 from Washington Dulles Intl. to Harry Reid Intl., returning Sun, Aug 31, priced at $204 found 9 hours ago
Wed, Jul 2 - Wed, Jul 9
IAD
Washington Dulles Intl.
LAS
Harry Reid Intl.
$214 Roundtrip, found 20 hours ago
$214
Roundtrip
found 20 hours ago
Select United flight, departing Wed, Jul 2 from Washington Dulles Intl. to Harry Reid Intl., returning Wed, Jul 9, priced at $214 found 20 hours ago
Wed, Aug 27 - Sun, Aug 31
IAD
Washington Dulles Intl.
LAS
Harry Reid Intl.
$222 Roundtrip, found 9 hours ago
$222
Roundtrip
found 9 hours ago
Select United flight, departing Wed, Aug 27 from Washington Dulles Intl. to Harry Reid Intl., returning Sun, Aug 31, priced at $222 found 9 hours ago

Frequently asked questions

What route does flight number UA780 take?
UA780 is used on multiple routes, but the most common is between Los Angeles, CA Airport (LAX-Los Angeles Intl.) and Baltimore, MD Airport (BWI-Baltimore Washington Intl. Thurgood Marshall). If your flight goes direct, you'll touch down in roughly 4 hours and 58 minutes. Multi-stop flights can also operate under this number, as can flights on other routes.
What terminal does UA780 fly out of?
If you're leaving from Los Angeles Intl. Airport (LAX), you'll likely board the plane from Terminal 7. The most popular route for flight number UA780 is Los Angeles, CA Airport (LAX-Los Angeles Intl.) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI), which is a nonstop flight.
What kind of plane is on flight number UA780?
You'll probably be traveling aboard an Airbus A320 if you've reserved a ticket on flight UA780 from Los Angeles, CA Airport (LAX-Los Angeles Intl.) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI). It's the most commonly used aircraft model on this popular 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 UA780 flight with Travelocity, please visit our Customer Service Portal.