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$178+ 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 9/3. Fares are subject to change and may not be available on all flights or dates of travel.
HLN — DFW
Aug 12 — Aug 191
Tue 8/12
Tue 8/19
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 August 7, 2025.

Round-trip from

$427
(Delta)

One-way from

$178
(United Airlines)

Popular in

December

Cheapest in

August

Average price

$312
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 August 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 August 7, 2025.

This Delta deal was found by Cheapflights users on 8/5. 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.
Thu 8/215:50 amHLN - DFW
1 stop4h 47mDelta
Sun 8/248:10 amDFW - HLN
1 stop5h 10mDelta
Deal found 8/5$427
This United Airlines deal was found by Cheapflights users on 8/5. 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
Sun 9/215:15 amDFW - HLN
2 stops9h 15mUnited Airlines
Deal found 8/5$432
This Alaska Airlines deal was found by Cheapflights users on 8/5. 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.
Sun 10/196:18 pmHLN - DFW
1 stop11h 36mAlaska Airlines
Sat 10/2511:00 amDFW - HLN
1 stop7h 41mAlaska Airlines
Deal found 8/5$439
This United Airlines deal was found by Cheapflights users on 8/6. 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 8/146:30 amHLN - DFW
1 stop5h 20mUnited Airlines
Sat 8/239:00 amDFW - HLN
1 stop8h 04mUnited Airlines
Deal found 8/6$440
This United Airlines deal was found by Cheapflights users on 8/5. 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 8/215:20 pmHLN - DFW
1 stop5h 20mUnited Airlines
Sun 8/245:15 amDFW - HLN
2 stops9h 15mUnited Airlines
Deal found 8/5$512
This United Airlines deal was found by Cheapflights users on 8/5. 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.
Tue 8/125:39 pmHLN - DFW
1 stop5h 20mUnited Airlines
Wed 8/134:50 pmDFW - HLN
1 stop5h 25mUnited Airlines
Deal found 8/5$533
This Delta deal was found by Cheapflights users on 8/5. 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.
Sun 10/195:45 amHLN - DFW
1 stop4h 40mDelta
Sat 10/253:15 pmDFW - HLN
2 stops8h 01mDelta
Deal found 8/5$572
This Delta deal was found by Cheapflights users on 8/5. 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 8/65:50 amHLN - DAL
2 stops11h 05mDelta
Wed 8/208:30 amDAL - HLN
2 stops14h 43mDelta
Deal found 8/5$756

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 August 7, 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

Thu 8/21

5:50 am-11:37 am

1 stop4h 47m

Dallas/Fort Worth

Sun 8/24

8:10 am-12:20 pm

1 stop5h 10m

$427

HelenaDallas

HLN - DFW

HLNDFW

Helena

Thu 9/18

5:20 pm-11:40 pm

1 stop5h 20m

Dallas/Fort Worth

Sun 9/21

5:15 am-1:30 pm

2 stops9h 15m

$432

HelenaDallas

HLN - DFW

HLNDFW

Helena

Sun 10/19

6:18 pm-6:54 am

1 stop11h 36m

Dallas/Fort Worth

Sat 10/25

11:00 am-5:41 pm

1 stop7h 41m

$439

HelenaDallas

HLN - DFW

HLNDFW

Helena

Thu 8/21

5:20 pm-11:40 pm

1 stop5h 20m

Dallas/Fort Worth

Sun 8/24

5:15 am-1:30 pm

2 stops9h 15m

$512

HelenaDallas

HLN - DFW

HLNDFW

Helena

Sun 10/19

5:45 am-11:25 am

1 stop4h 40m

Dallas/Fort Worth

Sat 10/25

3:15 pm-10:16 pm

2 stops8h 01m

$572

HelenaDallas

HLN - DFW

HLNDFW

Helena

Thu 9/18

4:02 pm-5:00 pm

2 stops23h 58m

Dallas/Fort Worth

Sun 9/21

4:32 pm-3:21 pm

2 stops23h 49m

$647

HelenaDallas

HLN - DFW

HLNDFW

Helena

Sun 10/19

5:18 pm-11:31 pm

1 stop5h 13m

Dallas/Fort Worth

Sat 10/25

2:20 pm-10:14 pm

2 stops8h 54m

$648

HelenaDallas

HLN - DFW

HLNDFW

Helena

Thu 9/18

5:20 pm-11:40 pm

1 stop5h 20m

Dallas/Fort Worth

Sun 9/21

9:15 am-3:21 pm

1 stop7h 06m

$791

HelenaDallas

HLN - DFW

HLNDFW

Helena

Sun 10/19

6:30 am-5:56 pm

2 stops10h 26m

Dallas/Fort Worth

Sat 10/25

11:15 am-4:40 pm

2 stops6h 25m

$1,177

HelenaDallas

HLN - DFW

HLNDFW

Helena

Wed 9/3

5:20 pm-11:40 pm

1 stop5h 20m

$178

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/7

Showing 1-10 of 18 results
1
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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 August 7, 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

Food

7.1

Boarding

8.1

Overall

8.0

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2025

BOI - LAX

flying in first class, my husband froze the entire flight and was miserable. first class does not offer blankets or any entertainment. (TV etc)
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Food

7.1

Boarding

8.1

Overall

8.0

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2025

BOI - LAX

flying in first class, my husband froze the entire flight and was miserable. first class does not offer blankets or any entertainment. (TV etc)
Delta
8.0
Very good
7,987 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Food

7.1

Boarding

8.1

Overall

8.0

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2025

BOI - LAX

flying in first class, my husband froze the entire flight and was miserable. first class does not offer blankets or any entertainment. (TV etc)
United Airlines
7.4
Good
8,916 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Food

7.1

Boarding

8.1

Overall

8.0

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2025

BOI - LAX

flying in first class, my husband froze the entire flight and was miserable. first class does not offer blankets or any entertainment. (TV etc)

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 $427. Other airlines that can offer you cheap pricing are United Airlines, from $432, and Alaska Airlines, from $439. Users have found that Delta is 22% 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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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 August 7, 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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