United Flight 4644 Deals & Information (2026/2027)

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United Flight 4644 Route Deals From $150

The cheapest prices found with in the last 7 days for return flights were $350 and $150 for one-way flights to San Francisco Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, Feb 19 - Sat, Feb 21
ABQ
Albuquerque Intl. Sunport
SFO
San Francisco Intl.
$350 Roundtrip, found 16 hours ago
$350
Roundtrip
found 16 hours ago
Select United flight, departing Thu, Feb 19 from Albuquerque Intl. Sunport to San Francisco Intl., returning Sat, Feb 21, priced at $350 found 16 hours ago

Frequently asked questions

What route does flight number UA4644 take?
UA4644 is used on a number of routes. More commonly, UA4644 flies directly from O'Hare Airport to Fresno Yosemite Intl. Airport. If this is your route, you'll be flying for around 4 hours and 33 minutes.
What terminal does UA4644 fly out of?
You'll probably depart from Terminal 2 if you're flying from O'Hare Airport. UA4644 serves a number of different routes, but the direct flight between ORD and Fresno, CA Airport (FAT-Fresno Yosemite Intl.) is the most frequently traveled.
What kind of plane is on flight number UA4644?
It's likely you'll be enjoying the services of the Embraer 175 if you've booked a seat on flight UA4644 from Chicago, IL Airport (ORD-O'Hare Intl.) to FAT. It's the most commonly used type of plane 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 UA4644 flight with Travelocity, please visit our Customer Service Portal.