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$181+ 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 29 — Sep 51
Sat 8/29
Sat 9/5
1 adult, Economy
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Cheap 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 30, 2026.

This Delta deal was found by Cheapflights users on 7/25. 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.
Tue 8/255:40 am
HLN
-
DFW
1 stop4h 58m
Delta
Tue 9/17:55 am
DFW
-
HLN
1 stop5h 20m
Delta
Deal found 7/25$339
This United Airlines deal was found by Cheapflights users on 7/25. 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 8/252:35 pm
HLN
-
DFW
1 stop5h 03m
United Airlines
Tue 9/110:25 am
DFW
-
HLN
2 stops12h 05m
United Airlines
Deal found 7/25$344
This United Airlines deal was found by Cheapflights users on 7/26. 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.
Wed 10/282:23 pm
HLN
-
DFW
2 stops8h 03m
United Airlines
Wed 11/410:39 am
DFW
-
HLN
2 stops11h 52m
United Airlines
Deal found 7/26$349
This Expedia deal was found by Cheapflights users on 7/28. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/195:18 pm
HLN
-
DFW
1 stop17h 41m
Alaska Airlines
Mon 9/213:56 pm
DFW
-
HLN
1 stop25h 45m
Alaska Airlines
Deal found 7/28$354
This Delta deal was found by Cheapflights users on 7/27. 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 8/235:40 am
HLN
-
DFW
1 stop4h 58m
Delta
Wed 8/266:12 pm
DFW
-
HLN
1 stop5h 18m
Delta
Deal found 7/27$361
This Delta deal was found by Cheapflights users on 7/28. 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 8/2712:55 pm
HLN
-
DFW
1 stop7h 28m
Delta
Thu 9/36:12 pm
DFW
-
HLN
1 stop5h 18m
Delta
Deal found 7/28$390
This Delta deal was found by Cheapflights users on 7/26. 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 11/51:08 pm
HLN
-
DFW
2 stops9h 50m
Delta
Sun 11/88:10 am
DFW
-
HLN
1 stop5h 18m
Delta
Deal found 7/26$397
This Alaska Airlines deal was found by Cheapflights users on 7/26. 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.
Thu 10/15:18 pm
HLN
-
DFW
1 stop10h 42m
Alaska Airlines
Sun 10/47:34 pm
DFW
-
HLN
1 stop22h 15m
Alaska Airlines
Deal found 7/26$409
This United Airlines deal was found by Cheapflights users on 7/26. 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 11/106:28 am
HLN
-
DFW
2 stops12h 12m
United Airlines
Sun 11/155:15 am
DFW
-
HLN
2 stops9h 25m
United Airlines
Deal found 7/26$423
This Delta deal was found by Cheapflights users on 7/27. 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.
Tue 8/115:40 am
HLN
-
DFW
1 stop6h 50m
Delta
Sat 8/156:12 pm
DFW
-
HLN
1 stop5h 18m
Delta
Deal found 7/27$427
This Delta deal was found by Cheapflights users on 7/26. 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.
Tue 11/107:00 am
HLN
-
DAL
2 stops10h 01m
Delta
Sun 11/1510:29 am
DAL
-
HLN
2 stops12h 57m
Delta
Deal found 7/26$962

Find 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 30, 2026.

Round-trip from

$339
(Delta)

One-way from

$181
(Delta)

Popular in

December

Cheapest in

February

Average price

$768
From Helena to Dallas
Search Deals
One-way flight from Helena to Dallas
Search Deals
Highest demand for flights based on searches. 28% potential increase in price ($216 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($29 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals

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 30, 2026.
Use the filters below to find and compare flights from Helena to Dallas that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

HelenaDallas

HLN - DFW

HLNDFW

Helena

Tue 11/10

7:00 am-1:53 pm

1 stop5h 53m

Dallas/Fort Worth

Sun 11/15

8:00 am-12:22 pm

1 stop5h 22m

$339

HelenaDallas

HLN - DFW

HLNDFW

Helena

Tue 8/25

5:40 am-11:38 am

1 stop4h 58m

Dallas/Fort Worth

Tue 9/1

7:55 am-12:15 pm

1 stop5h 20m

$339

HelenaDallas

HLN - DFW

HLNDFW

Helena

Tue 8/25

2:35 pm-8:38 pm

1 stop5h 03m

Dallas/Fort Worth

Tue 9/1

10:25 am-9:30 pm

2 stops12h 05m

$344

HelenaDallas

HLN - DFW

HLNDFW

Helena

Wed 10/28

2:23 pm-11:26 pm

2 stops8h 03m

Dallas/Fort Worth

Wed 11/4

10:39 am-9:31 pm

2 stops11h 52m

$349
Quickest round-trip

HelenaDallas

HLN - DFW

HLNDFW

Helena

Sun 8/23

5:40 am-11:38 am

1 stop4h 58m

Dallas/Fort Worth

Wed 8/26

6:12 pm-10:30 pm

1 stop5h 18m

$361

HelenaDallas

HLN - DFW

HLNDFW

Helena

Thu 10/1

5:18 pm-5:00 am

1 stop10h 42m

Dallas/Fort Worth

Sun 10/4

7:34 pm-4:49 pm

1 stop22h 15m

$429

HelenaDallas

HLN - DFW

HLNDFW

Helena

Thu 10/1

7:15 am-7:02 pm

2 stops10h 47m

Dallas/Fort Worth

Sun 10/4

7:50 am-12:17 pm

1 stop5h 27m

$431

HelenaDallas

HLN - DFW

HLNDFW

Helena

Sat 10/31

6:28 am-5:47 pm

2 stops10h 19m

Dallas/Fort Worth

Tue 11/3

9:00 am-1:40 pm

1 stop5h 40m

$434

HelenaDallas

HLN - DFW

HLNDFW

Helena

Sun 8/16

5:40 am-11:38 am

1 stop4h 58m

Dallas/Fort Worth

Sun 8/16

6:12 pm-10:30 pm

1 stop5h 18m

$439

HelenaDallas

HLN - DAL

HLNDAL

Helena

Tue 11/10

7:00 am-6:01 pm

2 stops10h 01m

Dallas Love Field

Sun 11/15

10:29 am-10:26 pm

2 stops12h 57m

$962

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/28

Showing 1-10 of 22 resultsSorted by cheapest first
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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

No data available for this route at this time. Please check back soon.

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 30, 2026.
Get a feel of what it's like to fly with 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.
Delta
7.8
Good
8,487 reviews

Boarding

8.1

Food

7.2

Crew

8.5

Entertainment

7.8

Comfort

7.8

Overall

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
Delta
7.8
Good
8,487 reviews
Delta
7.8
Good
8,487 reviews

Boarding

8.1

Food

7.2

Crew

8.5

Entertainment

7.8

Comfort

7.8

Overall

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
United Airlines
7.4
Good
10,046 reviews
Delta
7.8
Good
8,487 reviews

Boarding

8.1

Food

7.2

Crew

8.5

Entertainment

7.8

Comfort

7.8

Overall

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

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 2 different airlines.

  • How long is the flight from Helena to Dallas?

    Delta and United Airlines can get you from Helena to Dallas in just under 5h 03m. Your travel time can differ by up to 50m. Airlines will cover a distance of 1231 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    Cheapflights users have booked flights from Helena to Dallas round-trip from $234. Another airline that can offer you cheap pricing is United Airlines. Users have found that Delta is 56% 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Top 2 airlines flying from Helena to Dallas

Discover the top 2 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 30, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$234Average$393FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$288Average$477FlexibilityNo cancel feeOn-time69%

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