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$429+ Cheap flights from Dayton to Helena (DAY - HLN)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/31. Fares are subject to change and may not be available on all flights or dates of travel.
DAY — HLN
Jul 10 — Jul 171
Fri 7/10
Fri 7/17
1 adult, Economy
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Cheap flight deals from Dayton to Helena

Cheapest flights from Dayton to Helena
Explore the most affordable flight options available from Dayton to Helena. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 10, 2026.

This United Airlines deal was found by Cheapflights users on 6/7. 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.
Sat 10/319:00 am
DAY
-
HLN
1 stop6h 27m
United Airlines
Wed 11/42:30 pm
HLN
-
DAY
1 stop5h 59m
United Airlines
Deal found 6/7$429
This United Airlines deal was found by Cheapflights users on 6/7. 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 6/239:01 am
DAY
-
HLN
1 stop14h 19m
United Airlines
Tue 6/302:20 pm
HLN
-
DAY
1 stop6h 35m
United Airlines
Deal found 6/7$788

Find flight deals from Dayton to Helena

Discover tips and strategies to find the most affordable flight options for your journey from Dayton (DAY) to Helena (HLN). 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 June 10, 2026.

Most accurate provider

Expedia
1 star

Most trusted provider

Expedia
3 stars

Round-trip from

$429
(United Airlines)
Provider with most accurate pricing for Dayton-Helena flight deals.
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Provider most trusted by Cheapflights users for Dayton-Helena flights.
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From Dayton to Helena
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Dayton to Helena 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 June 10, 2026.
Use the filters below to find and compare flights from Dayton to Helena that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

DaytonHelena

DAY - HLN

DAYHLN

Dayton

Sat 10/31

9:00 am-1:27 pm

1 stop6h 27m

Helena

Wed 11/4

2:30 pm-10:29 pm

1 stop5h 59m

$429

DaytonHelena

DAY - HLN

DAYHLN

Dayton

Tue 6/23

6:10 pm-9:20 pm

2 stops29h 10m

Helena

Tue 6/30

6:15 am-9:48 am

2 stops25h 33m

$802

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/8

Sorted by cheapest first
  • Most accurate provider: When it comes to deals on Dayton-Helena flights, users find the pricing of Expedia to be most consistent on Cheapflights vs. Expedia Users can find the same prices on Dayton-Helena flight deals on Cheapflights vs. Expedia <90% of the time. Price accuracy is based on data collected from Dayton-Helena flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Dayton-Helena flights, Cheapflights users trust Expedia the most. Expedia has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Dayton-Helena flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Dayton to Helena

Have a flexible travel schedule? Discover the best time to fly to Helena from Dayton 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.

Related info for your journey

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

  • How long is the flight from Dayton to Helena?

    Departing from Dayton to Helena will take you 6h 27m. The distance from Dayton to Helena is about 1462 mi.

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

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

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

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

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

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

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