How long is the flight from Helena to Dayton?

United Airlines can get you from Helena to Dayton in just under 6h 02m. Your travel time can differ by up to . The distance from Helena to Dayton is about 1462 mi.

In terms of precipitation, rainfall in Dayton ranges from 2.2 - 4.7 inches per month. May is typically the wettest month, when rainfall can reach 4.7 in. February is typically the driest time to visit Dayton when rainfall is around 2.2 in.

If weather is an important factor for your trip to Dayton, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 28.4 F).

What is the cheapest time of day to fly from HLN to DAY?

When flying from Helena to Dayton, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Most accurate provider : When it comes to deals on Helena-Dayton flights, users find the pricing of Expedia to be most consistent on Cheapflights vs. Expedia Users can find the same prices on Helena-Dayton flight deals on Cheapflights vs. Expedia 90-95% of the time. Price accuracy is based on data collected from Helena-Dayton flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Helena-Dayton 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 Helena-Dayton flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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

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

How can I find direct flights from Helena to Dayton?

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

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

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

$364+ Flights from Helena to Dayton

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Cheap flight deals from Helena to Dayton

Cheapest flights from Helena to Dayton
Explore the most affordable flight options available from Helena to Dayton. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 4, 2026.

Tue 2/242:25 pmHLN - DAY

1 stop6h 02mUnited Airlines

Tue 3/39:45 amDAY - HLN

2 stops13h 31mUnited Airlines

Deal found 1/3

$364

Tue 1/202:27 pmHLN - DAY

1 stop6h 12mUnited Airlines

Sat 1/247:00 amDAY - HLN

2 stops8h 41mUnited Airlines

Deal found 1/3

$464

Best flights from Helena to Dayton
Discover carefully curated flight deals from Helena to Dayton that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated January 4, 2026.

Tue 2/242:25 pmHLN - DAY

1 stop6h 02mUnited Airlines

Tue 3/39:45 amDAY - HLN

2 stops13h 31mUnited Airlines

Deal found 1/3

$364

Tue 1/202:27 pmHLN - DAY

1 stop6h 12mUnited Airlines

Sat 1/249:50 amDAY - HLN

2 stops13h 36mUnited Airlines

Deal found 1/2

$464

Last-minute flights from Helena to Dayton
Discover last-minute flight deals from Helena to Dayton. Data last updated January 4, 2026 and is based on user searches.

Tue 1/202:27 pmHLN - DAY

1 stop6h 12mUnited Airlines

Sat 1/247:00 amDAY - HLN

2 stops8h 41mUnited Airlines

Deal found 1/3

$464

Tue 2/242:25 pmHLN - DAY

1 stop6h 02mUnited Airlines

Tue 3/39:45 amDAY - HLN

2 stops13h 31mUnited Airlines

Deal found 1/3

$364

Find flight deals from Helena to Dayton

Most accurate provider	Expedia 2 stars
Most trusted provider	Expedia 3 stars
Round-trip from	$364 (United Airlines)

Provider with most accurate pricing for Helena-Dayton flight deals.

Search Deals

Provider most trusted by Cheapflights users for Helena-Dayton flights.

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From Helena to Dayton

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

HelenaDayton

HLN - DAY

HLNDAY

Helena

Tue 2/24

2:25 pm-10:27 pm

1 stop6h 02m

Dayton

Tue 3/3

9:45 am-9:16 pm

2 stops13h 31m

$364

HelenaDayton

HLN - DAY

HLNDAY

Helena

Tue 1/20

2:27 pm-10:39 pm

1 stop6h 12m

Dayton

Sat 1/24

9:50 am-9:26 pm

2 stops13h 36m

$464

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/3

Most accurate provider: When it comes to deals on Helena-Dayton flights, users find the pricing of Expedia to be most consistent on Cheapflights vs. Expedia Users can find the same prices on Helena-Dayton flight deals on Cheapflights vs. Expedia 90-95% of the time. Price accuracy is based on data collected from Helena-Dayton flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Helena-Dayton 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 Helena-Dayton 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 Helena to Dayton

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

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

Currently, May is the cheapest month in which you can book a flight from Helena to Dayton (average of $170). Flying from Helena to Dayton in February is currently the most expensive (average of $412). 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.

Related info for your journey

How long is the flight from Helena to Dayton?
United Airlines can get you from Helena to Dayton in just under 6h 02m. Your travel time can differ by up to . The distance from Helena to Dayton is about 1462 mi.
Can I find deals for flights from Helena to Dayton that include hotel bookings?
Yes. In addition to deals on Helena to Dayton flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Helena to Dayton?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Helena to Dayton.
Can I find deals for business class flights from Helena to Dayton?
Yes. Cheapflights offers flight deals from Helena to Dayton 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 Dayton?
Currently, May is the cheapest month in which you can book a flight from Helena to Dayton (average of $170). Flying from Helena to Dayton in February is currently the most expensive (average of $412). 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.

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$364+ Cheap flights from Helena to Dayton (HLN - DAY)

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 2/24. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Helena to Dayton with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Helena to Dayton

Cheapest flights from Helena to DaytonExplore the most affordable flight options available from Helena to Dayton. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 4, 2026.

Explore the most affordable flight options available from Helena to Dayton. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 4, 2026.

Find flight deals from Helena to Dayton

Most accurate provider

Most trusted provider

Round-trip from

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Use the filters below to find and compare flights from Helena to Dayton that are best for you.

Best time to book a flight from Helena to Dayton

Have a flexible travel schedule? Discover the best time to fly to Dayton from Helena with our price prediction graph.

Cheapflights Insights

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

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

Related info for your journey

Find useful and relevant information for your journey from Helena to Dayton. 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 Helena to Dayton?

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

How can I find direct flights from Helena to Dayton?

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

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

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Cheapest flights from Helena to Dayton
Explore the most affordable flight options available from Helena to Dayton. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 4, 2026.