United Flight 542 Deals & Information (2025/2026)

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United Flight 542 Route Deals From $91

The cheapest prices found with in the last 7 days for return flights were $160 and $91 for one-way flights to San Diego Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, Sep 30 - Wed, Oct 1
ORD
O'Hare Intl.
SAN
San Diego Intl.
$160 Roundtrip, found 1 day ago
$160
Roundtrip
found 1 day ago
Select United flight, departing Tue, Sep 30 from O'Hare Intl. to San Diego Intl., returning Wed, Oct 1, priced at $160 found 1 day ago

Frequently asked questions

What route does flight number UA542 take?
UA542 flies straight from SJD to EWR. During this trip, expect to be in the air for approximately 5 hours and 23 minutes. It's wise to book ahead to lock in your favorite seat.
What terminal does UA542 fly out of?
You'll likely be departing from Terminal 2 if you're booked on UA542 direct from Los Cabos Intl. Airport (SJD) to Newark Airport.
What kind of plane is on flight number UA542?
The route for UA542 is nearly always Los Cabos Airport to Newark Airport, and the Boeing 737-800 is the type of aircraft you'll probably be taking off on.
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 UA542 flight with Travelocity, please visit our Customer Service Portal.