Cheap United flights Houston (IAH) to San Diego (SAN)

    notification illustration

    Be in the know

    Get alerts if flight prices drop or rise*
    deals illustration

    Book smarter

    Save up to 45% on select hotels after you book a flight*
    trophy illustration

    Earn twice

    Earn your airline miles on top of our rewards
    Sign in
Flights from Houston (IAH) to San Diego (SAN)
Origin airport
George Bush Intercontinental
Destination airport
San Diego Intl.
Distance
2081 km
Average flight time
2 hours 13 mins

Frequently asked questions

How much is a United Airlines flight from George Bush Intercontinental Airport (IAH) to San Diego Intl. Airport (SAN)?
You can find affordable return United Airlines flights from IAH to SAN by sorting your results from "Price (lowest to highest)" on Expedia. Or search for deals for a one-way journey.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
What is the cheapest month to fly from IAH to SAN with United Airlines?
Browse for one-way or return flights to San Diego in January or November. You could find a cheap fare with United Airlines during these off-peak times.
Does United Airlines fly nonstop from George Bush Intercontinental Airport (IAH) to San Diego Intl. Airport (SAN)?
United Airlines has direct flights from George Bush Intercontinental Airport (IAH) to San Diego Intl. Airport (SAN), with 28 departures each week. Simply choose the "Nonstop" and "Airline" filters while searching on Expedia to show all direct United Airlines flights to SAN.
How long does it take to fly from IAH to SAN with United Airlines?
It takes around 3h 39m to fly nonstop from George Bush Intercontinental Airport (IAH) to San Diego Intl. Airport (SAN) with United Airlines.
Which day of the week has the most United Airlines flights from George Bush Intercontinental Airport (IAH) to San Diego Intl. Airport (SAN)?
If you're looking for flexibility, Thursday offers the most choice for United Airlines flights from George Bush Intercontinental Airport (IAH) to San Diego Intl. Airport (SAN). Take your pick of 4 different departures.
What airports does United Airlines fly into in San Diego?
San Diego Intl. Airport (SAN) is the main San Diego gateway for United Airlines flights from George Bush Intercontinental Airport (IAH).
What type of plane does United Airlines fly from George Bush Intercontinental Airport (IAH) to San Diego Intl. Airport (SAN)?
United Airlines typically uses Boeing 737-900 planes for flights from George Bush Intercontinental Airport (IAH) to San Diego Intl. Airport (SAN). This carrier also operates the Boeing 737 MAX 8 on this route. Bear in mind that aircraft type can change depending on operational demands, so the plane you board might be different on your travel date.
Can I change or cancel my United Airlines flight from George Bush Intercontinental Airport (IAH) to San Diego Intl. Airport (SAN)?
Depending on your ticket type, a fee generally applies if you cancel or change your booking more than 24 hours after confirmation. To secure flexible fares, select our "Changes included" and "No cancel fee" boxes when you look for flights. For additional information on canceling or modifying your reservation, visit "Trips," select your flight and click on "Manage Booking."
*Available to Expedia members.