Cheap flights from Calgary to Houston

Calgary
YYC
William P. Hobby
HOU

Flight deals from Calgary to Houston

Below you can see the best deals on flights Calgary — Houston for upcoming dates. Direct and connecting flights from various airlines — compare prices and choose the right ticket.

The lowest price for the next 2 months is on 11 October, from $133.

Top 10 cheap flights from Calgary to Houston

WS
$ 141

Calgary — Houston

17:30—22:40
10 Sep 2026
4 h 10 m
Direct flight
WS
$ 141

Calgary — Houston

08:45—13:55
10 Sep 2026
4 h 10 m
Direct flight
WS
$ 142

Calgary — Houston

08:45—13:55
6 Sep 2026
4 h 10 m
Direct flight
WS
$ 142

Calgary — Houston

08:45—13:55
15 Sep 2026
4 h 10 m
Direct flight
WS
$ 142

Calgary — Houston

08:45—13:55
13 Sep 2026
4 h 10 m
Direct flight
WS
$ 142

Calgary — Houston

08:45—13:55
11 Sep 2026
4 h 10 m
Direct flight
WS
$ 142

Calgary — Houston

08:45—13:55
12 Sep 2026
4 h 10 m
Direct flight
WS
$ 142

Calgary — Houston

08:45—13:55
5 Sep 2026
4 h 10 m
Direct flight
WS
$ 142

Calgary — Houston

17:30—22:40
5 Sep 2026
4 h 10 m
Direct flight
WS
$ 142

Calgary — Houston

08:45—13:55
4 Sep 2026
4 h 10 m
Direct flight

Prices were found in the last 72 hours and may change — check the exact price when you continue.

About the Calgary — Houston flight

Looking for cheap flights from Calgary to Houston? Compare fares from different airlines, check the flight schedule and travel time — and book your Calgary — Houston ticket online at the best price.

The route has direct flights — around 57 flights per week, flights are operated by United Airlines, WestJet, Delta, a nonstop flight takes about 4 h 10 min, the distance between the cities is around 2,829 km.

Planning your trip? You may find our Houston travel guide, how to get from the airport into town and Houston weather forecast useful. To catch a low fare, use the low-price calendar and the monthly price chart on this page.

Facts about this route

from $133Min. price
OctoberCheapest
MayPeak season
YesDirect flights
2,829 kmDistance
4 h 10 minTravel time
3Airlines
57 / wkFlights

Flight schedule from Calgary to Houston

The table shows direct flights from Calgary to Houston on the selected date. The flight takes approximately 4 h 10 min. Regular flights are operated by United Airlines, WestJet and Delta. Departures from Calgary International Airport airports, arrivals at George Bush Intercontinental Airport and William P. Hobby Airport.

For each flight, the following details are shown: departure time (local), arrival city and airport, flight number and airline, terminal or gate, and status. Click on a flight to open its details and go to ticket search. To view flights on a different day, change the date above the table.

Today
Any time
Last update: 16 Aug 2026

Flight ticket prices by day: Calgary — Houston

Below is a calendar of the lowest flight ticket prices for Calgary — Houston by day. Pick a convenient date and instantly see the fare. The cheapest flights on this route start from $133 in October, and the most expensive are around $227 in May. If your travel dates are flexible, the calendar will help you find the best price for your preferred period. To view round-trip fares, switch to the "Round trip" tab above the calendar, select your departure date — and the right-hand calendar will highlight the lowest prices for return flights on each day.

 
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Prices by month

Average one-way fares from Calgary to Houston by month. Tickets are usually cheapest in September (around $150) and priciest in March (about $247) — use the table and chart below to pick the best time to fly.

MonthAverage priceLevelMonthAverage priceLevelMonthAverage priceLevel
Jan$236highMay$204mediumSep$150low
Feb$172lowJun$215highOct$161low
Mar$247highJul$225highNov$156low
Apr$193mediumAug$215highDec$182medium

Some values are estimated based on seasonality.

When to fly

Weather in Houston: it is warmest in August (up to 34 °C on average) and coolest in January (around 18 °C). The driest month is October.

Tickets are usually cheapest in October and most expensive in May. Compare prices and weather by month in the charts below to pick the best time to fly.

Temperature · Houston

Dry and wet days · Houston

Wind speed and direction · Houston

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How to get the best deal on a Calgary — Houston ticket

  • Book ahead: fares for Calgary — Houston are usually lower 3–8 weeks before departure than at the last minute.
  • Play with your dates — Tuesday, Wednesday and Saturday departures are often cheaper than Friday and Sunday.
  • The cheapest month to fly to Houston is usually October — plan your trip around it if your dates are flexible.
  • Compare direct and connecting flights: nonstop is faster, while a connection is sometimes noticeably cheaper.
  • Watch the low-price calendar and the monthly price trend on this page — they make it easier to catch a good date.
  • Travelling light? Pick a cabin-baggage-only fare — tickets without checked luggage are noticeably cheaper.
  • Get to the airport in good time — about 2–3 hours before an international departure and roughly an hour before a domestic one.

Airlines

Flights on the Calgary — Houston route are operated by 3 airlines; United Airlines runs the most flights (around 49% of all flights). Compare carriers, flight shares and schedules below.

  • United AirlinesUA
    9x/week
    WebsiteFleet: 956165M pax/year
    • Direct flight YYC → IAH9x/week
      Duration
      4h 10m
      Days
      MTWTFSS
    49.1%Open →
  • WestJetWS
    9x/week
    WebsiteFleet: 15325M pax/year
    • Direct flight YYC → IAH9x/week
      Duration
      4h 10m
      Days
      MTWTFSS
    49.1%Open →
  • DeltaDL
    1x/week
    WebsiteFleet: 986190M pax/year
    • Direct flight YYC → IAH1x/week
      Days
      MTWTFSS
    1.8%Open →

Cities and airports on the Calgary — Houston route

Flights Calgary — Houston depart from Calgary International Airport and arrive at George Bush Intercontinental Airport and William P. Hobby Airport. Below are pages for the cities, countries, and airports on the route: airlines, schedules, and travel guides.

Departure

Calgary

YYC
Canada
About the cityHow to get thereWeatherAll about the country Canada
Arrival

Houston

HOU
United States
About the cityHow to get thereWeatherAll about the country United States
Departure airports
Arrival airports

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Frequently asked questions about the Calgary — Houston flight

How long is the flight from Calgary to Houston?

A nonstop Calgary — Houston flight takes about 4 h 10 min — the distance between the cities is around 2,829 km.

How far is it from Calgary to Houston?

The distance from Calgary to Houston is about 2,829 km, which a nonstop flight covers in around 4 h 10 min.

Are there direct flights from Calgary to Houston?

Yes, there are nonstop flights Calgary — Houston — around 57 flights per week.

Which airlines fly from Calgary to Houston?

Airlines operating Calgary — Houston include United Airlines, WestJet, Delta. See the full list with schedules in the "Airlines" section on this page.

Which airports do Calgary — Houston flights use?

Flights from Calgary depart from Calgary International Airport, and arrive at George Bush Intercontinental Airport, William P. Hobby Airport. If a city has more than one airport, check which one your ticket uses before you travel.

How much is a ticket from Calgary to Houston?

The price of a Calgary — Houston ticket depends on your travel date, season and demand: it is usually cheapest to fly in October, and most expensive in May. Tickets typically cost between $133 and $227. Check the current lowest fare and low-price calendar on this page.

When is the best time to book flights Calgary — Houston?

Flights Calgary — Houston are usually cheaper when booked in advance — a few weeks before departure and away from peak dates; the most budget-friendly month to fly is October. Compare prices by month in the price trend chart on this page.

How can I find the cheapest flights from Calgary to Houston?

To catch a low fare Calgary — Houston, book a few weeks in advance, keep your dates flexible, and compare airlines and connecting options. The low-price calendar and monthly price chart on this page show the cheapest days and months at a glance: the most budget-friendly month to fly is usually October.

How early should I arrive at the airport?

For international flights, plan to be at the airport about 2–3 hours before departure, and around an hour before a domestic flight. Allow extra time during busy travel seasons and at large hubs, where check-in and security lines can be longer.

Where else you can fly from Calgary

See all
VancouverTorontoEdmontonKelownaSaskatoonWinnipegMontrealSeattleOttawaReginaNanaimoVictoriaGrande PrairieKamloopsFort McMurrayChicagoLos AngelesPrince GeorgeHalifaxPhoenixMinneapolisSan FranciscoLas VegasDenverNew York CityPentictonFort St. JohnComoxPuerto VallartaFrankfurt am MainCranbrookAtlantaLondonCancunPortlandNashvilleLondonDallasBostonYellowknife

Where else you can fly from Houston

See all
New York CityDallasAtlantaLos AngelesWashington, D.C.ChicagoDenverOrlandoMexico CityMiamiLondonFort LauderdaleCancunOklahoma CityTulsaDetroitPhoenixMonterreyMcAllenSeattleCorpus ChristiWichitaMinneapolisBirminghamCharlotteLittle RockSan AntonioAustinMidlandPanama CityBostonBaton RougeTampaSan SalvadorEl PasoNew OrleansKnoxvilleLubbockSan FranciscoSalt Lake City

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