United Flight 438 Deals & Information (2025/2026)

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United Flight 438 Route Deals From $651

The cheapest prices found with in the last 7 days for return flights were $1,042 and $651 for one-way flights to George Bush Intercontinental for the period specified. Prices and availability are subject to change. Additional terms apply.

Frequently asked questions

What route does flight number UA438 take?
UA438 is used on multiple routes, but the most common is between Newark, NJ Airport (EWR-Liberty Intl.) and SFO. If on a non-stop flight, you'll arrive in about 6 hours and 3 minutes. Multi-stop flights can also use this number, as can flights on other routes.
What terminal does UA438 fly out of?
If you're flying out of Newark, NJ Airport (EWR-Liberty Intl.), there's every chance you'll board from Terminal C. The most popular route for flight number UA438 is Liberty Intl. Airport (EWR) to San Francisco Airport, which is a nonstop flight.
What kind of plane is on flight number UA438?
There's a strong chance you'll be on board a Boeing 777-300ER if you're going from Liberty Intl. Airport (EWR) to SFO, one of several routes used for flight UA438.
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 UA438 flight with Travelocity, please visit our Customer Service Portal.