Cheap Flights from Calgary (YYC) to Houston (IAH)

Compare Calgary to Houston George Bush Intercntl. flight deals

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Flight deals from Calgary to Houston George Bush Intercntl.

Looking for a cheap last-minute deal or the best return flight from Calgary to Houston George Bush Intercntl.? Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Calgary to Houston George Bush Intercntl.

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Calgary to Houston George Bush Intercntl. flights are currently cheapest in September.

Direct flights from Calgary to Houston George Bush Intercntl.

Calgary to Houston George Bush Intercntl.: Alternative routes

Compare routes from Calgary to Houston below. You may find an airport to fly into that's cheaper, faster, or easier than Houston George Bush Intercntl..

Calgary to Houston: Flight information

The things to know before you go.
Cheapest flight found$340
Cheapest month to flySeptember
Average flight time4 hrs, 11 mins
Most popular airlineDelta
Average flights per week53

Finding cheap flights from Calgary to Houston George Bush Intercntl.: Frequently asked questions

The best price we found for a return flight from Calgary to Houston George Bush Intercntl. is $340. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
4 hours and 11 minutes is the average flight time from Calgary to Houston George Bush Intercntl..
Delta, Aeromexico and WestJet fly direct from Calgary to Houston George Bush Intercntl..
As of July 2025, there are 53 flights per week flying from Calgary to Houston George Bush Intercntl..
The cheapest month to fly from Calgary to Houston George Bush Intercntl. is usually September.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Calgary Airport to Houston George Bush Intercntl. Airport on Thursday, 4 September 2025.
Yes – the average flight time is 4 hours and 11 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Houston George Bush Intercntl. but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Houston is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, WestJet offers the cheapest flight tickets to Houston George Bush Intercntl..

Flying from Calgary International Airport (YYC) to George Bush Intercontinental Airport (IAH): what you need to know

  • Around 4 hours 10 minutes is how long you can expect to be in the air on a direct flight from Calgary International Airport to George Bush Intercontinental Airport.

  • The timezone in Houston is UTC-5, which is one hour ahead of Calgary.

  • Flights from YYC to IAH start at 06:00 — the earliest with United Airlines. The last service of the day is at 18:45 with WestJet. In total, you can choose from 26 weekly Calgary International Airport to George Bush Intercontinental Airport flights.

  • Give yourself plenty of time to catch your YYC to IAH flight. A good rule of thumb is to arrive at least two hours before international departures and an hour ahead for domestic flights.

  • During popular months like July, you'll want to get to the airport earlier than usual. Plan to arrive two hours before domestic departures and four hours ahead of international flights whenever you're travelling during a high season in general.

  • Travelling to Houston (and then seeing more of United States!) is a breeze with United Airlines. This popular carrier offers direct flights from Calgary International Airport to George Bush Intercontinental Airport.

  • The airline with the highest number of bookings on this route is United Airlines.

  • With 77.22% of services arriving as scheduled, WestJet is the most punctual carrier offering YYC to IAH flights.

How to find the cheapest flights from Calgary International Airport (YYC) to George Bush Intercontinental Airport (IAH)

  • $201 is the lowest price for a one-way Calgary International Airport to George Bush Intercontinental Airport flight. Return flights start at $340. These fares may change based on demand.

  • Get cheap tickets from YYC to IAH by booking at least five months ahead. According to our research, that's the sweet spot for finding the biggest deals.

  • April is the cheapest month for flights from Calgary International Airport to George Bush Intercontinental Airport. If you want to fly at a different time of year, the 'Whole month' tool will show you the lowest prices across every month.

  • Save time searching for cheap flights from YYC to IAH by creating a Price Alert. You'll get an email or notification on the app when a special offer becomes available.

  • Lock in the right flight for you with the help of the filters. To see the 'Fastest,' 'Best' or 'Cheapest' flights from Calgary International Airport to George Bush Intercontinental Airport, use the 'Sort by' tool. You can also filter results by departure and arrival times, airline, and journey duration.

Handy information about Calgary International Airport (YYC)

  • You'll find YYC at 2000 Airport Road Northeast.

  • When it comes to the on-time performance of Calgary International Airport, data shows 65.39% of flights arrive within the scheduled timeframe.

  • Calgary International Airport is about 16 kilometres from central Calgary. If you're ride-sharing, catching a cab or driving from the centre, it'll take you 20 minutes or so to arrive, depending on the traffic.

  • You can expect a journey time of about 1 hour when using public transport.

  • Have an early flight from Calgary International Airport to George Bush Intercontinental Airport? Avoid the hassle of rushing to the airport (and enjoy a little extra shut-eye) by choosing one of these stays close to YYC:

Arriving at George Bush Intercontinental Airport (IAH)

Getting from George Bush Intercontinental Airport (IAH) to central Houston

  • You'll find IAH at 16930 JFK Boulevard.

  • George Bush Intercontinental Airport is roughly 27 kilometres from central Houston. Driving there takes about 20 minutes.

  • If you're using public transport, expect a journey of around 50 minutes.

When to fly to George Bush Intercontinental Airport (IAH)

  • The quietest month for a flight from Calgary International Airport to George Bush Intercontinental Airport is February, while July is the most popular. Choose the ideal time to visit Houston based on whether you prefer a faster pace or a more relaxed vibe.

  • Lock in your flight from Calgary International Airport to George Bush Intercontinental Airport for August if you want to go to Houston during its warmest month. You can expect temperatures of between 24ºC (75ºF) and 40ºC (104ºF).

  • January sees average temperatures of between 5ºC (41ºF) and 19ºC (66ºF). Search for cheap tickets from YYC to IAH sometime then if you'd rather travel in cooler conditions.

Explore more of United States

  • You've visited Houston, now it's time to explore other corners of United States. Journey about 306 kilometres west to San Antonio to tick off its leading sights. From The San Antonio River Walk to San Antonio Missions National Historical Park and San Fernando Cathedral, there's plenty to keep you on the go.

  • Dallas is another standout destination in United States and is around 370 kilometres north of Houston. No trip is complete without experiencing Dallas Arboretum and Botanical Gardens, Perot Museum of Nature and Science and Dallas Museum of Art.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.