United Flight 438 Deals & Information (2026/2027)

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United Flight 438 Route Deals From $599

The cheapest prices found with in the last 7 days for return flights were $1,050 and $599 for one-way flights to George Bush Intercontinental for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, Jun 11 - Tue, Jun 16
GEO
Cheddi Jagan Intl.
IAH
George Bush Intercontinental
$1,050 Roundtrip, found 4 days ago
$1,050
Roundtrip
found 4 days ago
Select United flight, departing Thu, Jun 11 from Cheddi Jagan Intl. to George Bush Intercontinental, returning Tue, Jun 16, priced at $1,050 found 4 days ago
Sun, Jul 5 - Mon, Jul 6
GEO
Cheddi Jagan Intl.
IAH
George Bush Intercontinental
$1,054 Roundtrip, found 7 hours ago
$1,054
Roundtrip
found 7 hours ago
Select United flight, departing Sun, Jul 5 from Cheddi Jagan Intl. to George Bush Intercontinental, returning Mon, Jul 6, priced at $1,054 found 7 hours ago
Sun, Jul 5 - Mon, Jul 6
GEO
Cheddi Jagan Intl.
IAH
George Bush Intercontinental
$1,115 Roundtrip, found 7 hours ago
$1,115
Roundtrip
found 7 hours ago
Select United flight, departing Sun, Jul 5 from Cheddi Jagan Intl. to George Bush Intercontinental, returning Mon, Jul 6, priced at $1,115 found 7 hours ago
Sun, Jul 5 - Mon, Jul 6
GEO
Cheddi Jagan Intl.
IAH
George Bush Intercontinental
$1,153 Roundtrip, found 7 hours ago
$1,153
Roundtrip
found 7 hours ago
Select United flight, departing Sun, Jul 5 from Cheddi Jagan Intl. to George Bush Intercontinental, returning Mon, Jul 6, priced at $1,153 found 7 hours ago
Sun, Jul 5 - Mon, Jul 6
GEO
Cheddi Jagan Intl.
IAH
George Bush Intercontinental
$1,193 Roundtrip, found 7 hours ago
$1,193
Roundtrip
found 7 hours ago
Select United flight, departing Sun, Jul 5 from Cheddi Jagan Intl. to George Bush Intercontinental, returning Mon, Jul 6, priced at $1,193 found 7 hours ago

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.