United Flight AS737 Deals & Information (2025/2026)

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United Flight 737 Route Deals From $70

The cheapest prices found with in the last 7 days for return flights were $139 and $70 for one-way flights to San Francisco Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Sat, May 17 - Tue, May 20
SEA
Seattle - Tacoma Intl.
SFO
San Francisco Intl.
$139 Roundtrip, found 1 hour ago
$139
Roundtrip
found 1 hour ago
Select United flight, departing Sat, May 17 from Seattle - Tacoma Intl. to San Francisco Intl., returning Tue, May 20, priced at $139 found 1 hour ago
Thu, Jun 19 - Fri, Jun 20
SEA
Seattle - Tacoma Intl.
SFO
San Francisco Intl.
$170 Roundtrip, found 1 hour ago
$170
Roundtrip
found 1 hour ago
Select United flight, departing Thu, Jun 19 from Seattle - Tacoma Intl. to San Francisco Intl., returning Fri, Jun 20, priced at $170 found 1 hour ago
Wed, May 21 - Sun, May 25
SEA
Seattle - Tacoma Intl.
SFO
San Francisco Intl.
$175 Roundtrip, found 3 hours ago
$175
Roundtrip
found 3 hours ago
Select United flight, departing Wed, May 21 from Seattle - Tacoma Intl. to San Francisco Intl., returning Sun, May 25, priced at $175 found 3 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.