Latest deals
Insights
When to book
FAQs
Price Alerts

Cheap flights from Helena to Houston from $195

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Helena to Houston departing on 7/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Helena to Houston

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
1:05 pm - 9:34 pm
HLN
-
IAH
7h 29m
1 stop
Delta Logo
7:45 am - 12:23 pm
IAH
-
HLN
5h 38m
1 stop
$349Delta
Sat, May 2 - Sat, May 9
Delta Logo
5:40 am - 3:58 pm
HLN
-
IAH
9h 18m
2 stops
Delta Logo
7:45 am - 12:23 pm
IAH
-
HLN
5h 38m
1 stop
$354Delta
Sat, May 2 - Sat, May 9
Alaska Airlines Logo
6:22 pm - 5:16 am
HLN
-
IAH
9h 54m
1 stop
Alaska Airlines Logo
7:00 am - 5:45 pm
IAH
-
HLN
11h 45m
1 stop
$426Alaska Airlines
Sat, May 2 - Tue, May 5
United Airlines Logo
2:30 pm - 8:50 pm
HLN
-
IAH
5h 20m
1 stop
United Airlines Logo
7:30 am - 1:27 pm
IAH
-
HLN
6h 57m
1 stop
$439United Airlines
Tue, Sep 29 - Sat, Oct 3
United Airlines Logo
2:30 pm - 8:50 pm
HLN
-
IAH
5h 20m
1 stop
United Airlines Logo
10:05 am - 4:05 pm
IAH
-
HLN
7h 00m
1 stop
$509United Airlines
Tue, Sep 29 - Sat, Oct 3
Alaska Airlines Logo
6:22 pm - 5:16 am
HLN
-
IAH
9h 54m
1 stop
Alaska Airlines Logo
6:18 pm - 5:45 pm
IAH
-
HLN
24h 27m
2 stops
$517Alaska Airlines
Mon, May 4 - Mon, May 11
Alaska Airlines Logo
6:22 pm - 5:16 am
HLN
-
IAH
9h 54m
1 stop
Alaska Airlines Logo
6:18 pm - 5:45 pm
IAH
-
HLN
24h 27m
2 stops
$522Alaska Airlines
Sat, May 2 - Tue, May 5
Alaska Airlines Logo
6:22 pm - 5:16 am
HLN
-
IAH
9h 54m
1 stop
Alaska Airlines Logo
6:18 pm - 5:45 pm
IAH
-
HLN
24h 27m
2 stops
$532Alaska Airlines
Sat, May 2 - Tue, May 5
Alaska Airlines Logo
6:22 pm - 5:18 pm
HLN
-
IAH
21h 56m
2 stops
Alaska Airlines Logo
7:00 am - 5:45 pm
IAH
-
HLN
11h 45m
1 stop
$548Alaska Airlines
Sat, May 2 - Tue, May 5
United Airlines Logo
6:15 am - 3:22 pm
HLN
-
IAH
8h 07m
1 stop
United Airlines Logo
6:15 am - 9:46 pm
IAH
-
HLN
16h 31m
2 stops
$553United Airlines
Sat, May 2 - Tue, May 5

United Airlines flights from Helena to Houston George Bush Intcntl Airport

Our best United Airlines deals on Helena to Houston George Bush Intcntl Airport flight tickets
United Airlines
Apr 14
HLN2:25 pmHelena
5h 38m
1 stop
IAH9:03 pmHouston George Bush Intcntl
Apr 17
IAH7:00 amHouston George Bush Intcntl
7h 39m
1 stop
HLN1:39 pmHelena
$399
United Airlines
Sep 29
HLN2:30 pmHelena
5h 20m
1 stop
IAH8:50 pmHouston George Bush Intcntl
Oct 3
IAH7:30 amHouston George Bush Intcntl
6h 57m
1 stop
HLN1:27 pmHelena
$439
United Airlines
Apr 14
HLN2:25 pmHelena
5h 38m
1 stop
IAH9:03 pmHouston George Bush Intcntl
Apr 17
IAH7:00 amHouston George Bush Intcntl
7h 39m
1 stop
HLN1:39 pmHelena
$444

Alaska Airlines flights from Helena to Houston George Bush Intcntl Airport

Our best Alaska Airlines deals on Helena to Houston George Bush Intcntl Airport flight tickets
Alaska Airlines
May 2
HLN6:22 pmHelena
9h 54m
1 stop
IAH5:16 amHouston George Bush Intcntl
May 5
IAH7:00 amHouston George Bush Intcntl
11h 45m
1 stop
HLN5:45 pmHelena
$426
Alaska Airlines
May 4
HLN6:22 pmHelena
9h 54m
1 stop
IAH5:16 amHouston George Bush Intcntl
May 11
IAH6:18 pmHouston George Bush Intcntl
24h 27m
2 stops
HLN5:45 pmHelena
$517
Alaska Airlines
May 2
HLN6:22 pmHelena
9h 54m
1 stop
IAH5:16 amHouston George Bush Intcntl
May 5
IAH6:18 pmHouston George Bush Intcntl
24h 27m
2 stops
HLN5:45 pmHelena
$522

momondo Fare Finder

 
Customize your flight search to find flights from Helena to Houston George Bush Intcntl Airport that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated April 5, 2026.
Use the filters below to find and compare flights from Helena to Houston George Bush Intcntl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

HelenaHouston

HLN - IAH

HLNIAH

Helena

Sat 5/2

1:05 pm-9:34 pm

1 stop7h 29m

Houston George Bush Intcntl

Sat 5/9

7:45 am-12:23 pm

1 stop5h 38m

$349

HelenaHouston

HLN - IAH

HLNIAH

Helena

Sat 5/2

5:40 am-3:58 pm

2 stops9h 18m

Houston George Bush Intcntl

Sat 5/9

7:45 am-12:23 pm

1 stop5h 38m

$354

HelenaHouston

HLN - IAH

HLNIAH

Helena

Sat 5/2

6:22 pm-5:16 am

1 stop9h 54m

Houston George Bush Intcntl

Tue 5/5

7:00 am-5:45 pm

1 stop11h 45m

$426
Quickest round-trip

HelenaHouston

HLN - IAH

HLNIAH

Helena

Tue 9/29

2:30 pm-8:50 pm

1 stop5h 20m

Houston George Bush Intcntl

Sat 10/3

7:30 am-1:27 pm

1 stop6h 57m

$439

HelenaHouston

HLN - IAH

HLNIAH

Helena

Tue 9/29

2:30 pm-8:50 pm

1 stop5h 20m

Houston George Bush Intcntl

Sat 10/3

10:05 am-4:05 pm

1 stop7h 00m

$509

HelenaHouston

HLN - IAH

HLNIAH

Helena

Mon 5/4

6:22 pm-5:16 am

1 stop9h 54m

Houston George Bush Intcntl

Mon 5/11

6:18 pm-5:45 pm

2 stops24h 27m

$517

HelenaHouston

HLN - IAH

HLNIAH

Helena

Sat 5/2

6:22 pm-5:16 am

1 stop9h 54m

Houston George Bush Intcntl

Tue 5/5

6:18 pm-5:45 pm

2 stops24h 27m

$522

HelenaHouston

HLN - IAH

HLNIAH

Helena

Sat 5/2

6:22 pm-5:16 am

1 stop9h 54m

Houston George Bush Intcntl

Tue 5/5

6:18 pm-5:45 pm

2 stops24h 27m

$532

HelenaHouston

HLN - IAH

HLNIAH

Helena

Sat 5/2

6:22 pm-5:18 pm

2 stops21h 56m

Houston George Bush Intcntl

Tue 5/5

7:00 am-5:45 pm

1 stop11h 45m

$548

HelenaHouston

HLN - IAH

HLNIAH

Helena

Sat 5/2

6:15 am-3:22 pm

1 stop8h 07m

Houston George Bush Intcntl

Tue 5/5

6:15 am-9:46 pm

2 stops16h 31m

$553

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 18 resultsSorted by cheapest first
1
2

See travel insights to Houston from

How to get the cheapest flight ticket from Helena to Houston George Bush Intcntl Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from Helena to Houston George Bush Intcntl?

Delta, United Airlines, and Alaska Airlines are the most popular carriers operating from Helena to Houston George Bush Intcntl

What airlines fly to Houston George Bush Intcntl Airport?

Delta, United Airlines and Alaska Airlines are the top three most popular airlines that fly to Houston George Bush Intcntl Airport from Helena according to our data. Delta is the first choice among our users, with 49% of people opting to fly with this airline when traveling to Houston George Bush Intcntl Airport. Keep in mind that there are 3 different airlines that fly to Houston George Bush Intcntl Airport on a routine basis, so you have a few additional options to choose from.

When to book flights from Helena to Houston George Bush Intcntl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Helena to Houston George Bush Intcntl Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Helena to Houston George Bush Intcntl Airport (HLN to IAH) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Helena to Houston George Bush Intcntl Airport

Fastest flight time

5h 38m

Direct flights

None
The fastest flight from Helena to Houston George Bush Intcntl Airport takes 5h 38m
There are no direct flights from Helena to Houston George Bush Intcntl Airport. There are no popular flight routes from Helena to Houston George Bush Intcntl Airport.
Search flight deals

Frequently asked questions about flying from Helena to Houston George Bush Intcntl Airport

  • How far is Helena to Houston George Bush Intcntl by plane?

    The distance between Helena and Houston George Bush Intcntl is about 1454.1 mi. Typically, this will take 5h 38m by plane in normal conditions.

  • When did momondo last update prices for flights from Helena Airport to Houston George Bush Intcntl Airport?

    Prices for flights from Helena Airport to Houston George Bush Intcntl Airport were last updated today.

  • How old do you have to be to fly from Helena Airport to Houston George Bush Intcntl Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Helena Airport to Houston George Bush Intcntl Airport.

  • What documentation or ID do you need to fly to Houston George Bush Intcntl Airport?

    The travel and health documents required for your trip to Houston George Bush Intcntl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Houston George Bush Intcntl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Traveling to a place near Houston?

Book flights to Houston if you plan to visit one of these locations
Katy
The Woodlands
Conroe
Humble
Spring
Cypress
Montgomery
Jersey Village
Tomball
Livingston

Why use momondo?

Why should I use momondo to find a flight deal from Helena to Houston?

It is quick and easy to find Helena to Houston flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Houston that suits you.

Can I find flights from Helena to Houston with flexible booking policies on momondo?

Flights from Helena to Houston with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Helena to Houston?

Once you have performed a search for Helena to Houston flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Helena to Houston right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Helena to Houston flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

An easier way to manage your Houston George Bush Intcntl Airport trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Tue 5/5
Tue 5/12
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Houston