$138 Cheap United flights Cancun (CUN) to Houston (IAH)

View $138 flight on Sat, Sep 13, 2025Opens in a new window

  • Plan, book, fly with confidence

  • trending down icon

    Be in the know

    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon

    Book smarter

    Save up to 30% on select hotels after you book a flight*
  • one key icon

    Earn twice

    Earn your airline miles on top of our OneKeyCash
    Learn about One Key

$138 Cheap United flights Cancun (CUN) to Houston (IAH)

Prices were available within the past 7 days and start at $138 for one-way flights and $226 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Thu, Sep 4 - Mon, Sep 8
CUN
Cancun
IAH
Houston
$226 Roundtrip, just found
$226
Roundtrip
just found
Select United flight, departing Thu, Sep 4 from Cancun to Houston, returning Mon, Sep 8, priced at $226 just found
United
Fri, Sep 5 - Mon, Sep 8
CUN
Cancun
IAH
Houston
$227 Roundtrip, found 4 hours ago
$227
Roundtrip
found 4 hours ago
Select United flight, departing Fri, Sep 5 from Cancun to Houston, returning Mon, Sep 8, priced at $227 found 4 hours ago
United
Fri, Oct 24 - Sun, Oct 26
CUN
Cancun
IAH
Houston
$231 Roundtrip, just found
$231
Roundtrip
just found
Select United flight, departing Fri, Oct 24 from Cancun to Houston, returning Sun, Oct 26, priced at $231 just found
United
Sat, Aug 30 - Sat, Sep 6
CUN
Cancun
IAH
Houston
$233 Roundtrip, found 1 hour ago
$233
Roundtrip
found 1 hour ago
Select United flight, departing Sat, Aug 30 from Cancun to Houston, returning Sat, Sep 6, priced at $233 found 1 hour ago
United
Fri, Oct 24 - Sun, Oct 26
CUN
Cancun
IAH
Houston
$254 Roundtrip, just found
$254
Roundtrip
just found
Select United flight, departing Fri, Oct 24 from Cancun to Houston, returning Sun, Oct 26, priced at $254 just found
Flights from Cancun (CUN) to Houston (IAH)
Origin airport
Cancun Intl.
Destination airport
George Bush Intercontinental
Airlines serving
Aeromexico, American Airlines, Delta, Frontier Airlines, Spirit Airlines, United, Viva, Volaris
Popular airline
Aeromexico
Distance
812 mi
Average flight time
2 hours 30 mins

Frequently asked questions

How much is a United Airlines flight from Cancun Intl. Airport (CUN) to George Bush Intercontinental Airport (IAH)?
Landing cheap one-way United Airlines flights from CUN to IAH from $138 on Expedia is simple — just filter by "Price (lowest to highest)." Or check out our budget-friendly round-trip fares from $226 for your next exciting vacation.**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 CUN to IAH with United Airlines?
Look for one-way or round-trip flights to Houston in November or February. You could find a cheap fare with United Airlines during these off-peak months.
What is the cheapest time to book flights from Cancun Intl. Airport (CUN) to George Bush Intercontinental Airport (IAH) with United Airlines?
Snagging the best United Airlines deals from CUN to IAH often comes down to booking at the right moment. You can save 17% on international flights when you book 18 to 29 days before takeoff instead of four to five months ahead. To top it off, you can pocket 17% on average by buying your fare on a Sunday rather than a Friday, which is usually the most expensive day to book.* It's smart to kick off your flight search about one month before you want to travel.*Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC's global airline sales database.
Does United Airlines fly nonstop from Cancun Intl. Airport (CUN) to George Bush Intercontinental Airport (IAH)?
Skip the layovers and fly from Cancun Intl. Airport (CUN) to George Bush Intercontinental Airport (IAH) on any of United Airlines's 35 weekly direct flights. Make use of our "Nonstop" and "Airline" filters to find the United Airlines flight that'll arrive at IAH at a time that suits you.
How long does it take to fly from CUN to IAH with United Airlines?
From takeoff to arrival, a nonstop United Airlines flight from Cancun Intl. Airport (CUN) to George Bush Intercontinental Airport (IAH) takes around 2h 35m.
Which day of the week has the most United Airlines flights from Cancun Intl. Airport (CUN) to George Bush Intercontinental Airport (IAH)?
United Airlines operates the most flights from Cancun Intl. Airport (CUN) to George Bush Intercontinental Airport (IAH) on Thursday. With up to 5 daily departures, you'll get the most options and flexibility on this day.
What is the earliest United Airlines flight from CUN to IAH?
Departing CUN at 8:39AM UTC-5, the earliest United Airlines flight to IAH lands at 10:11AM UTC-6. Flying early means you're less likely to experience cancellations.* Not an early riser? The last United Airlines flight from CUN to IAH departs at 5:55PM UTC-5 and touches down at 7:31PM UTC-6.*Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports does United Airlines fly into in Houston?
United Airlines flights from Cancun Intl. Airport (CUN) to Houston come in to land at George Bush Intercontinental Airport (IAH) and William P. Hobby Airport (HOU). The main Houston gateway serviced by this carrier is IAH. It's worth comparing flights landing at nearby airports on Expedia as you may find lower prices.
Why fly with United Airlines from CUN to IAH?
With a rewarding loyalty program, United Airlines is a favorite of many passengers departing from CUN to IAH. Plus, if you're a United Mileage Plus and One Key™ member booking through Expedia, you can earn OneKeyCash™* on eligible flights along with your airline miles.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.
What type of plane does United Airlines fly from Cancun Intl. Airport (CUN) to George Bush Intercontinental Airport (IAH)?
You'll likely be on a Boeing 737 MAX 9 or a Boeing 737-900 when flying United Airlines from Cancun Intl. Airport (CUN) to George Bush Intercontinental Airport (IAH). However, keep in mind that a different aircraft may be assigned depending on operational factors.
Can I change or cancel my United Airlines flight from Cancun Intl. Airport (CUN) to George Bush Intercontinental Airport (IAH)?
Changes are often free within 24 hours of making a booking, but your airline may add a charge after that time. For more information about altering your flights, check out your "Trips," select your flight and click on "Manage Booking." If you want the freedom to change your plans without being charged, apply the "No cancel fee" or "Changes included" filter when organizing your next trip.

Explore a world of travel with Expedia

*Available to One Key members.