United Flight AS737 Deals & Information (2025/2026)

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United Flight 737 Route Deals From $79

The cheapest prices found with in the last 7 days for return flights were $137 and $79 for one-way flights to San Francisco Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, Apr 23 - Sat, Apr 26
SEA
Seattle - Tacoma Intl.
SFO
San Francisco Intl.
$137 Roundtrip, found 17 hours ago
$137
Roundtrip
found 17 hours ago
Select United flight, departing Wed, Apr 23 from Seattle - Tacoma Intl. to San Francisco Intl., returning Sat, Apr 26, priced at $137 found 17 hours ago
Sat, Apr 19 - Tue, Apr 22
SEA
Seattle - Tacoma Intl.
SFO
San Francisco Intl.
$155 Roundtrip, found 3 hours ago
$155
Roundtrip
found 3 hours ago
Select United flight, departing Sat, Apr 19 from Seattle - Tacoma Intl. to San Francisco Intl., returning Tue, Apr 22, priced at $155 found 3 hours ago
Sat, Apr 19 - Tue, Apr 22
SEA
Seattle - Tacoma Intl.
SFO
San Francisco Intl.
$164 Roundtrip, found 3 hours ago
$164
Roundtrip
found 3 hours ago
Select United flight, departing Sat, Apr 19 from Seattle - Tacoma Intl. to San Francisco Intl., returning Tue, Apr 22, priced at $164 found 3 hours ago
Thu, Apr 17 - Sat, Apr 19
SEA
Seattle - Tacoma Intl.
SFO
San Francisco Intl.
$169 Roundtrip, found 14 hours ago
$169
Roundtrip
found 14 hours ago
Select United flight, departing Thu, Apr 17 from Seattle - Tacoma Intl. to San Francisco Intl., returning Sat, Apr 19, priced at $169 found 14 hours ago
Wed, Apr 23 - Sat, Apr 26
SEA
Seattle - Tacoma Intl.
SFO
San Francisco Intl.
$175 Roundtrip, found 17 hours ago
$175
Roundtrip
found 17 hours ago
Select United flight, departing Wed, Apr 23 from Seattle - Tacoma Intl. to San Francisco Intl., returning Sat, Apr 26, priced at $175 found 17 hours ago

Frequently asked questions

What route does flight number UA737 take?
Flight number UA737 flies straight from Hopkins Intl. Airport (CLE) to Newark, NJ Airport (EWR-Liberty Intl.). During this trip, expect to be in the air for approximately 1 hour and 28 minutes. Book ahead to lock in your preferred seat.
How often is UA737 on time?
United Airlines flight number UA737 between CLE and Liberty Intl. Airport (EWR) lands on schedule 91% of the time — so you can be confident you will arrive at your destination ASAP. If your trip happens to be late, the average wait time is 12 minutes. This route has a 4.55-star rating.
What kind of plane is on flight number UA737?
The Boeing 737-700 is the plane predominantly used for flight UA737. Usually, this flight leaves from Cleveland, OH Airport (CLE-Hopkins Intl.) and lands at Newark 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 UA737 flight with Travelocity, please visit our Customer Service Portal.