United Flight 1688 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 1688 Route Deals From $87

The cheapest prices found with in the last 7 days for return flights were $168 and $87 for one-way flights to San Francisco Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, Apr 28 - Tue, May 12
AUS
Austin-Bergstrom Intl.
SFO
San Francisco Intl.
$168 Roundtrip, found 4 days ago
$168
Roundtrip
found 4 days ago
Select United flight, departing Tue, Apr 28 from Austin-Bergstrom Intl. to San Francisco Intl., returning Tue, May 12, priced at $168 found 4 days ago
Wed, May 6 - Fri, May 8
AUS
Austin-Bergstrom Intl.
SFO
San Francisco Intl.
$171 Roundtrip, found 3 days ago
$171
Roundtrip
found 3 days ago
Select United flight, departing Wed, May 6 from Austin-Bergstrom Intl. to San Francisco Intl., returning Fri, May 8, priced at $171 found 3 days ago
Thu, Jun 11 - Sat, Jun 13
AUS
Austin-Bergstrom Intl.
SFO
San Francisco Intl.
$180 Roundtrip, found 3 days ago
$180
Roundtrip
found 3 days ago
Select United flight, departing Thu, Jun 11 from Austin-Bergstrom Intl. to San Francisco Intl., returning Sat, Jun 13, priced at $180 found 3 days ago
Wed, Apr 29 - Sun, May 10
AUS
Austin-Bergstrom Intl.
SFO
San Francisco Intl.
$180 Roundtrip, found 4 days ago
$180
Roundtrip
found 4 days ago
Select United flight, departing Wed, Apr 29 from Austin-Bergstrom Intl. to San Francisco Intl., returning Sun, May 10, priced at $180 found 4 days ago
Thu, May 7 - Mon, May 11
AUS
Austin-Bergstrom Intl.
SFO
San Francisco Intl.
$183 Roundtrip, just found
$183
Roundtrip
just found
Select United flight, departing Thu, May 7 from Austin-Bergstrom Intl. to San Francisco Intl., returning Mon, May 11, priced at $183 just found
Sat, Apr 18 - Wed, Apr 22
AUS
Austin-Bergstrom Intl.
SFO
San Francisco Intl.
$186 Roundtrip, found 4 days ago
$186
Roundtrip
found 4 days ago
Select United flight, departing Sat, Apr 18 from Austin-Bergstrom Intl. to San Francisco Intl., returning Wed, Apr 22, priced at $186 found 4 days ago
Wed, May 6 - Fri, May 8
AUS
Austin-Bergstrom Intl.
SFO
San Francisco Intl.
$187 Roundtrip, found 3 days ago
$187
Roundtrip
found 3 days ago
Select United flight, departing Wed, May 6 from Austin-Bergstrom Intl. to San Francisco Intl., returning Fri, May 8, priced at $187 found 3 days ago
Thu, Jul 16 - Mon, Jul 20
AUS
Austin-Bergstrom Intl.
SFO
San Francisco Intl.
$194 Roundtrip, found 10 hours ago
$194
Roundtrip
found 10 hours ago
Select United flight, departing Thu, Jul 16 from Austin-Bergstrom Intl. to San Francisco Intl., returning Mon, Jul 20, priced at $194 found 10 hours ago
Sat, Apr 18 - Wed, Apr 22
AUS
Austin-Bergstrom Intl.
SFO
San Francisco Intl.
$195 Roundtrip, found 4 days ago
$195
Roundtrip
found 4 days ago
Select United flight, departing Sat, Apr 18 from Austin-Bergstrom Intl. to San Francisco Intl., returning Wed, Apr 22, priced at $195 found 4 days ago
Tue, Sep 8 - Sun, Sep 13
AUS
Austin-Bergstrom Intl.
SFO
San Francisco Intl.
$197 Roundtrip, found 6 hours ago
$197
Roundtrip
found 6 hours ago
Select United flight, departing Tue, Sep 8 from Austin-Bergstrom Intl. to San Francisco Intl., returning Sun, Sep 13, priced at $197 found 6 hours ago
Wed, Apr 29 - Sun, May 10
AUS
Austin-Bergstrom Intl.
SFO
San Francisco Intl.
$203 Roundtrip, found 4 days ago
$203
Roundtrip
found 4 days ago
Select United flight, departing Wed, Apr 29 from Austin-Bergstrom Intl. to San Francisco Intl., returning Sun, May 10, priced at $203 found 4 days ago
Thu, May 7 - Mon, May 11
AUS
Austin-Bergstrom Intl.
SFO
San Francisco Intl.
$206 Roundtrip, just found
$206
Roundtrip
just found
Select United flight, departing Thu, May 7 from Austin-Bergstrom Intl. to San Francisco Intl., returning Mon, May 11, priced at $206 just found
Thu, May 7 - Mon, May 11
AUS
Austin-Bergstrom Intl.
SFO
San Francisco Intl.
$211 Roundtrip, just found
$211
Roundtrip
just found
Select United flight, departing Thu, May 7 from Austin-Bergstrom Intl. to San Francisco Intl., returning Mon, May 11, priced at $211 just found

Frequently asked questions

What route does flight number UA1688 take?
You'll be landing into George Bush Intercontinental Airport (IAH) from Los Angeles, CA Airport (LAX-Los Angeles Intl.) if you're traveling on flight number UA1688. You'll be in the sky for 3 hours and 23 minutes during this trip. What's more, the flight conveniently travels non-stop.
What terminal does UA1688 fly out of?
UA1688 runs between Los Angeles Intl. Airport (LAX) and Houston Airport, and travelers taking this flight commonly jet off from Terminal 7.
What kind of plane is on flight number UA1688?
The route for flight number UA1688 is generally Los Angeles Intl. Airport (LAX) to Houston Airport, and the Boeing 737 MAX 9 is the type of plane you're likely to be traveling aboard.
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 UA1688 flight with Travelocity, please visit our Customer Service Portal.