United Flight UA1856 Deals & Information (2025/2026)

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United Flight 1856 Route Deals From $89

The cheapest prices found with in the last 7 days for return flights were $177 and $89 for one-way flights to San Diego Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Sat, Oct 4 - Tue, Oct 14
EWR
Newark Liberty Intl. Airport
SAN
San Diego Intl.
$177 Roundtrip, found 1 hour ago
$177
Roundtrip
found 1 hour ago
Select United flight, departing Sat, Oct 4 from Newark Liberty Intl. Airport to San Diego Intl., returning Tue, Oct 14, priced at $177 found 1 hour ago
Sat, Oct 4 - Tue, Oct 14
EWR
Newark Liberty Intl. Airport
SAN
San Diego Intl.
$207 Roundtrip, found 1 hour ago
$207
Roundtrip
found 1 hour ago
Select United flight, departing Sat, Oct 4 from Newark Liberty Intl. Airport to San Diego Intl., returning Tue, Oct 14, priced at $207 found 1 hour ago
Sat, Oct 4 - Tue, Oct 14
EWR
Newark Liberty Intl. Airport
SAN
San Diego Intl.
$213 Roundtrip, found 1 hour ago
$213
Roundtrip
found 1 hour ago
Select United flight, departing Sat, Oct 4 from Newark Liberty Intl. Airport to San Diego Intl., returning Tue, Oct 14, priced at $213 found 1 hour ago

Frequently asked questions

What route does flight number UA1856 take?
You'll be landing at Houston Airport from Tocumen Intl. Airport (PTY) if you've booked a ticket on flight number UA1856. You'll be in the air for 4 hours and 17 minutes during this journey. What's more, the flight conveniently travels direct.
What kind of plane is on flight number UA1856?
The Boeing 737-800 is the type of plane usually used for flight UA1856. This flight almost always sets off from PTY and arrives at IAH.
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 UA1856 flight with Travelocity, please visit our Customer Service Portal.