United Flight 691 Deals & Information (2026/2027)

Wander Wisely with exceptional service, 24/7 supportOpens in a new window

Feel at ease with free flight cancellations within 24 hours of booking

Change your flight without a fee on select flights

United Flight 691 Route Deals From $171

The cheapest prices found with in the last 7 days for return flights were $267 and $171 for one-way flights to San Francisco Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, Jun 2 - Wed, Jun 3
ABQ
Albuquerque Intl. Sunport
SFO
San Francisco Intl.
$267 Roundtrip, found 1 day ago
$267
Roundtrip
found 1 day ago
Select United flight, departing Tue, Jun 2 from Albuquerque Intl. Sunport to San Francisco Intl., returning Wed, Jun 3, priced at $267 found 1 day ago
Tue, Jun 2 - Wed, Jun 3
ABQ
Albuquerque Intl. Sunport
SFO
San Francisco Intl.
$277 Roundtrip, found 1 day ago
$277
Roundtrip
found 1 day ago
Select United flight, departing Tue, Jun 2 from Albuquerque Intl. Sunport to San Francisco Intl., returning Wed, Jun 3, priced at $277 found 1 day ago
Sat, May 2 - Wed, May 6
ABQ
Albuquerque Intl. Sunport
SFO
San Francisco Intl.
$285 Roundtrip, found 4 hours ago
$285
Roundtrip
found 4 hours ago
Select United flight, departing Sat, May 2 from Albuquerque Intl. Sunport to San Francisco Intl., returning Wed, May 6, priced at $285 found 4 hours ago
Thu, May 28 - Mon, Jun 1
ABQ
Albuquerque Intl. Sunport
SFO
San Francisco Intl.
$291 Roundtrip, found 6 days ago
$291
Roundtrip
found 6 days ago
Select United flight, departing Thu, May 28 from Albuquerque Intl. Sunport to San Francisco Intl., returning Mon, Jun 1, priced at $291 found 6 days ago
Tue, Jun 2 - Wed, Jun 3
ABQ
Albuquerque Intl. Sunport
SFO
San Francisco Intl.
$292 Roundtrip, found 1 day ago
$292
Roundtrip
found 1 day ago
Select United flight, departing Tue, Jun 2 from Albuquerque Intl. Sunport to San Francisco Intl., returning Wed, Jun 3, priced at $292 found 1 day ago
Tue, Jun 2 - Wed, Jun 3
ABQ
Albuquerque Intl. Sunport
SFO
San Francisco Intl.
$293 Roundtrip, found 1 day ago
$293
Roundtrip
found 1 day ago
Select United flight, departing Tue, Jun 2 from Albuquerque Intl. Sunport to San Francisco Intl., returning Wed, Jun 3, priced at $293 found 1 day ago
Sat, May 2 - Wed, May 6
ABQ
Albuquerque Intl. Sunport
SFO
San Francisco Intl.
$294 Roundtrip, found 4 hours ago
$294
Roundtrip
found 4 hours ago
Select United flight, departing Sat, May 2 from Albuquerque Intl. Sunport to San Francisco Intl., returning Wed, May 6, priced at $294 found 4 hours ago
Thu, Jun 4 - Tue, Jun 9
ABQ
Albuquerque Intl. Sunport
SFO
San Francisco Intl.
$296 Roundtrip, found 3 days ago
$296
Roundtrip
found 3 days ago
Select United flight, departing Thu, Jun 4 from Albuquerque Intl. Sunport to San Francisco Intl., returning Tue, Jun 9, priced at $296 found 3 days ago
Tue, Jun 2 - Wed, Jun 3
ABQ
Albuquerque Intl. Sunport
SFO
San Francisco Intl.
$303 Roundtrip, found 1 day ago
$303
Roundtrip
found 1 day ago
Select United flight, departing Tue, Jun 2 from Albuquerque Intl. Sunport to San Francisco Intl., returning Wed, Jun 3, priced at $303 found 1 day ago
Thu, Jun 4 - Tue, Jun 9
ABQ
Albuquerque Intl. Sunport
SFO
San Francisco Intl.
$306 Roundtrip, found 3 days ago
$306
Roundtrip
found 3 days ago
Select United flight, departing Thu, Jun 4 from Albuquerque Intl. Sunport to San Francisco Intl., returning Tue, Jun 9, priced at $306 found 3 days ago
Mon, Apr 27 - Sat, May 2
ABQ
Albuquerque Intl. Sunport
SFO
San Francisco Intl.
$307 Roundtrip, just found
$307
Roundtrip
just found
Select United flight, departing Mon, Apr 27 from Albuquerque Intl. Sunport to San Francisco Intl., returning Sat, May 2, priced at $307 just found
Sat, May 2 - Wed, May 6
ABQ
Albuquerque Intl. Sunport
SFO
San Francisco Intl.
$310 Roundtrip, found 4 hours ago
$310
Roundtrip
found 4 hours ago
Select United flight, departing Sat, May 2 from Albuquerque Intl. Sunport to San Francisco Intl., returning Wed, May 6, priced at $310 found 4 hours ago

Frequently asked questions

What route does flight number UA691 take?
UA691 is used on a range of routes. Most often, UA691 flies directly from Chicago, IL Airport (ORD-O'Hare Intl.) to LAX. If you have a ticket on this route, you'll be in the air for roughly 4 hours and 13 minutes.
What terminal does UA691 fly out of?
You'll most likely take off from Terminal 1 if you're setting off from Chicago, IL Airport (ORD-O'Hare Intl.). UA691 serves several different routes, but the direct flight between O'Hare Airport and Los Angeles, CA Airport (LAX-Los Angeles Intl.) is the most frequently traveled one.
What kind of plane is on flight number UA691?
If you're on flight UA691 from ORD to Los Angeles Intl. Airport (LAX), there's every chance you'll be traveling aboard an Airbus A320. This flight number serves a number of different routes, but this is the most popular.
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 UA691 flight with Travelocity, please visit our Customer Service Portal.