Cheap flights from Houston to Kalispell

William P. Hobby
HOU
Glacier Park
FCA

Flight deals from Houston to Kalispell

Below you can see the best deals on flights Houston — Kalispell 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 26 August, from $254.

Top 10 cheap flights from Houston to Kalispell

DL
DL
$ 252

Houston — Kalispell

17:48—23:56
25 Aug 2026
7 h 8 m
1 stop
DL
DL
$ 252

Houston — Kalispell

17:48—23:56
26 Aug 2026
7 h 8 m
1 stop
DL
DL
$ 252

Houston — Kalispell

06:10—14:07
26 Aug 2026
8 h 57 m
1 stop
DL
DL
$ 252

Houston — Kalispell

17:48—23:56
28 Aug 2026
7 h 8 m
1 stop
DL
DL
$ 252

Houston — Kalispell

06:10—14:07
28 Aug 2026
8 h 57 m
1 stop
DL
DL
$ 252

Houston — Kalispell

07:30—13:59
29 Aug 2026
7 h 29 m
1 stop
DL
DL
$ 252

Houston — Kalispell

06:10—14:01
29 Aug 2026
8 h 51 m
1 stop
DL
DL
$ 252

Houston — Kalispell

07:30—12:52
30 Aug 2026
6 h 22 m
1 stop
DL
DL
$ 252

Houston — Kalispell

17:48—23:56
30 Aug 2026
7 h 8 m
1 stop
DL
DL
$ 252

Houston — Kalispell

06:10—14:07
30 Aug 2026
8 h 57 m
1 stop

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

About the Houston — Kalispell flight

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

The route has direct flights — around 2 flights per week, flights are operated by United Airlines, a nonstop flight takes about 39 h 43 min, the distance between the cities is around 2,608 km.

Planning your trip? You may find our Kalispell travel guide, how to get from the airport into town and Kalispell 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 $254Min. price
AugustCheapest
AugustPeak season
YesDirect flights
2,608 kmDistance
39 h 43 minTravel time
1Airlines
2 / wkFlights

Flight ticket prices by day: Houston — Kalispell

Below is a calendar of the lowest flight ticket prices for Houston — Kalispell by day. Pick a convenient date and instantly see the fare. The cheapest flights on this route start from $254 in August, and the most expensive are around $254 in August. 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 Houston to Kalispell by month. Tickets are usually cheapest in January (around $251) and priciest in July (about $387) — use the table and chart below to pick the best time to fly.

MonthAverage priceLevelMonthAverage priceLevelMonthAverage priceLevel
Jan$251lowMay$308mediumSep$319medium
Feb$251lowJun$342highOct$285medium
Mar$296mediumJul$387highNov$251low
Apr$262lowAug$353highDec$296medium

Some values are estimated based on seasonality.

When to fly

Weather in Kalispell: it is warmest in July (up to 28 °C on average) and coolest in February (around -2 °C). The driest month is July.

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

Temperature · Kalispell

Dry and wet days · Kalispell

Wind speed and direction · Kalispell

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

  • Book ahead: fares for Houston — Kalispell 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.
  • Houston is served by more than one airport — compare fares and travel time to each before you book.
  • The cheapest month to fly to Kalispell is usually August — 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 Houston — Kalispell route are operated by 1 airline; United Airlines runs the most flights (around 100% of all flights). Compare carriers, flight shares and schedules below.

  • United AirlinesUA
    1x/week
    WebsiteFleet: 956165M pax/year
    • Direct flight IAH → FCA1x/week
    100.0%Open →

Cities and airports on the Houston — Kalispell route

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

Departure

Houston

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

Kalispell

FCA
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 Houston — Kalispell flight

How long is the flight from Houston to Kalispell?

A nonstop Houston — Kalispell flight takes about 39 h 43 min — the distance between the cities is around 2,608 km.

How far is it from Houston to Kalispell?

The distance from Houston to Kalispell is about 2,608 km, which a nonstop flight covers in around 39 h 43 min.

Are there direct flights from Houston to Kalispell?

Yes, there are nonstop flights Houston — Kalispell — around 2 flights per week.

Which airlines fly from Houston to Kalispell?

Airlines operating Houston — Kalispell include United Airlines. See the full list with schedules in the "Airlines" section on this page.

Which airports do Houston — Kalispell flights use?

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

How much is a ticket from Houston to Kalispell?

The price of a Houston — Kalispell ticket depends on your travel date, season and demand: it is usually cheapest to fly in August, and most expensive in August. Check the current lowest fare and low-price calendar on this page.

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

Flights Houston — Kalispell 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 August. Compare prices by month in the price trend chart on this page.

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

To catch a low fare Houston — Kalispell, 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 August.

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 Houston

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Where else you can fly from Kalispell

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SeattleDenverSalt Lake CityDallasChicagoMinneapolisSan DiegoSan FranciscoLos AngelesPortlandNew York CityPhoenixAustinTri-CitiesEdmontonKelownaVictoriaYakimaBillingsBellinghamIdaho FallsVancouver

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