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$237+ Cheap flights from Helena (HLN) to Dallas

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/26. Fares are subject to change and may not be available on all flights or dates of travel.
HLN — DFW
Aug 5 — Aug 121
Tue 8/5
Tue 8/12
1 adult, Economy
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Cheap flight deals from Helena to Dallas

Discover tips and strategies to find the most affordable flight options for your journey from Helena (HLN) to Dallas (A78). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated July 31, 2025.

Round-trip from

$355
(Delta)

One-way from

$237
(Alaska Airlines)

Popular in

December

Cheapest in

August

Average price

$326
From Helena to Dallas
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One-way flight from Helena to Dallas
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Highest demand for flights based on searches. 42% potential increase in price ($401 potential increase over avg. RT price).
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Cheapest flight prices on average. 23% potential price decrease ($106 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Find flight deals from Helena to Dallas

Cheapest flights from Helena to Dallas
Explore the most affordable flight options available from Helena to Dallas. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 31, 2025.

This Delta deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/171:00 pmHLN - DFW
1 stop7h 07mDelta
Sat 9/206:10 pmDFW - HLN
1 stop5h 04mDelta
Deal found 7/29$355
This United Airlines deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/185:20 pmHLN - DFW
1 stop5h 20mUnited Airlines
Tue 9/239:00 amDFW - HLN
1 stop5h 30mUnited Airlines
Deal found 7/30$391
This Alaska Airlines deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/174:02 pmHLN - DFW
1 stop6h 57mAlaska Airlines
Fri 9/191:02 pmDFW - HLN
1 stop27h 19mAlaska Airlines
Deal found 7/29$419
This Delta deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/171:00 pmHLN - DAL
2 stops9h 49mDelta
Sat 9/208:45 amDAL - HLN
2 stops14h 29mDelta
Deal found 7/29$689

Cheapflights Fare Finder

 
Customize your flight search to find flights from Helena to Dallas 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, Cheapflights users made 2,558,603 searches. Data last updated July 31, 2025.
Use the filters below to find and compare flights from Helena to Dallas that are best for you.

Fly from

Helena

Fly to

Dallas

Route

Depart

Return

Price

HelenaDallas

HLN - DFW

HLNDFW

Helena

Wed 9/17

1:00 pm-9:07 pm

1 stop7h 07m

Dallas/Fort Worth

Sat 9/20

6:10 pm-10:14 pm

1 stop5h 04m

$355

HelenaDallas

HLN - DFW

HLNDFW

Helena

Thu 9/18

5:20 pm-11:40 pm

1 stop5h 20m

Dallas/Fort Worth

Tue 9/23

9:00 am-1:30 pm

1 stop5h 30m

$391

HelenaDallas

HLN - DFW

HLNDFW

Helena

Wed 9/17

4:02 pm-11:59 pm

1 stop6h 57m

Dallas/Fort Worth

Fri 9/19

1:02 pm-3:21 pm

1 stop27h 19m

$419

HelenaDallas

HLN - DAL

HLNDAL

Helena

Wed 9/17

1:00 pm-11:49 pm

2 stops9h 49m

Dallas Love Field

Sat 9/20

8:45 am-10:14 pm

2 stops14h 29m

$689

HelenaDallas

HLN - DFW

HLNDFW

Helena

Fri 9/26

4:02 pm-6:35 am

1 stop13h 33m

$237

HelenaDallas

HLN - DFW

HLNDFW

Helena

Fri 9/26

5:18 pm-11:31 pm

1 stop5h 13m

$254

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/30

Best time to book a flight from Helena to Dallas

Have a flexible travel schedule? Discover the best time to fly to Dallas from Helena with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Helena to Dallas

What is the cheapest month to book a flight from Helena to Dallas?

Currently, August is the cheapest month in which you can book a flight from Helena to Dallas (average of $216). Flying from Helena to Dallas in March is currently the most expensive (average of $295). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Reviews of airlines servicing Dallas

Get insights into the airlines that provide service to Dallas. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Dallas. Reviews last updated July 31, 2025.
Get a feel of what it's like to fly with Alaska Airlines, Delta, and United Airlines from Helena to Dallas by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Boarding

8.1

Crew

8.5

Entertainment

7.1

Overall

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Boarding

8.1

Crew

8.5

Entertainment

7.1

Overall

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Delta
8.0
Very good
7,981 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Boarding

8.1

Crew

8.5

Entertainment

7.1

Overall

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
United Airlines
7.4
Good
8,900 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Boarding

8.1

Crew

8.5

Entertainment

7.1

Overall

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

Related info for your journey

Find useful and relevant information for your journey from Helena to Dallas. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Helena to Dallas?

    Located just 2.7 mi from the city center, Helena is the airport most travelers will use when flying to Dallas from Helena. Booking flights from Helena (HLN) to Dallas should be relatively easy as there are 0 daily outbound flights to Dallas from 3 different airlines.

  • What are the cheapest airlines flying from Helena to Dallas round-trip?

    Cheapflights users have booked flights from Helena to Dallas round-trip from $355. Other airlines that can offer you cheap pricing are United Airlines, from $391, and Alaska Airlines, from $419. Users have found that Delta is 35% cheaper than the other options available to this destination.

  • Can I find deals for flights from Helena to Dallas that include hotel bookings?

    Yes. In addition to deals on Helena to Dallas flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Helena to Dallas?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Helena to Dallas.

  • Can I find deals for business class flights from Helena to Dallas?

    Yes. Cheapflights offers flight deals from Helena to Dallas by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Helena to Dallas?

    Currently, August is the cheapest month in which you can book a flight from Helena to Dallas (average of $216). Flying from Helena to Dallas in March is currently the most expensive (average of $295). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for Helena to Dallas

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Top 3 airlines flying from Helena to Dallas

Discover the top 3 airlines that operate flights from Helena to Dallas. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$312Average$392FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$326Average$489FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$339Average$840FlexibilityNo cancel feeOn-time75%

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