Which airports can I use when flying from Helena to Dayton?

Flights from Helena to Dayton usually depart from Helena (HLN) and arrive at Dayton (DAY).

Which airports do connecting flights from Helena to Dayton pass through?

Most connecting flights from Helena to Dayton pass through Denver Intl (DEN), which handles 100% of one-stop traffic on this route. Other layover airports each see under 5%.

Do I need a passport to fly from Helena to Dayton?

No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID, or another TSA-accepted form of identification.

Have flight prices from Helena to Dayton changed much recently?

Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $594 to $1,188. That means the highest observed fare was about 2x higher than the lowest one.

What is the time difference between Helena and Dayton?

Dayton is 2 hours ahead of Helena (Eastern Time vs Mountain Time). Plan for the time shift when scheduling connections or first-day activities.

What car rental options are available at Dayton Airport (DAY)?

Dayton Airport (DAY) hosts 5 major car rental companies, with daily rates starting from around $32 for economy cars. Top options include: • Budget • Thrifty • Hertz • Alamo • Avis

What is the cheapest airline to fly from Helena to Dayton?

United Airlines ($594) offered the cheapest round-trip ticket from Helena to Dayton in the last 5 days.

What is the cheapest layover airport when flying from Helena to Dayton?

Flights via Denver Intl (DEN) offer the most affordable fares, with an average round-trip price of $431. Based on KAYAK data over the past 3 months.

When flying from Helena to Dayton which airport offers the shortest layover?

Denver Intl (DEN) had the shortest average connection time for Helena to Dayton layovers at 517 minutes over the past 3 months.

$594 CHEAP FLIGHTS from Helena to Dayton (HLN - DAY)

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Cheapest round-trip

$594

Typical prices: $399-$463

United Airlines

Tue 1/9Fri 1/12

HLN - DAY • 2 stops

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Flight Deals

Cheap Flights from Helena to Dayton (HLN-DAY)

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Recent round-trip flight deals from Helena to Dayton

Sat, Jan 9 - Tue, Jan 12

2:30 pm - 11:53 pmHLN Helena-DAY Dayton

31h 23m2 stops Denver Intl Chicago O'Hare Intl

5:10 am - 1:27 pmDAY Dayton-HLN Helena

10h 17m2 stops Chicago O'Hare Intl Denver Intl

$594United Airlines

Sat, Jan 9 - Tue, Jan 12

7:00 am - 5:11 pmHLN Helena-DAY Dayton

8h 11m2 stops Denver Intl Chicago O'Hare Intl

5:10 am - 1:27 pmDAY Dayton-HLN Helena

10h 17m2 stops Chicago O'Hare Intl Denver Intl

$609United Airlines

Sat, Jan 9 - Tue, Jan 12

7:00 am - 5:11 pmHLN Helena-DAY Dayton

8h 11m2 stops Denver Intl Chicago O'Hare Intl

5:10 am - 1:27 pmDAY Dayton-HLN Helena

10h 17m2 stops Chicago O'Hare Intl Denver Intl

$623United Airlines

Sat, Jan 9 - Tue, Jan 12

7:00 am - 10:29 pmHLN Helena-DAY Dayton

13h 29m1 stop Denver Intl

5:10 am - 1:27 pmDAY Dayton-HLN Helena

10h 17m2 stops Chicago O'Hare Intl Denver Intl

$683United Airlines

Fri, Sep 25 - Tue, Sep 29

6:25 am - 9:47 amHLN Helena-DAY Dayton

25h 22m2 stops Denver Intl Washington, D.C. Dulles Intl

9:30 am - 1:48 pmDAY Dayton-HLN Helena

6h 18m1 stop Denver Intl

$688United Airlines

Sat, Jan 9 - Tue, Jan 12

7:00 am - 10:29 pmHLN Helena-DAY Dayton

13h 29m1 stop Denver Intl

5:10 am - 1:27 pmDAY Dayton-HLN Helena

10h 17m2 stops Chicago O'Hare Intl Denver Intl

$713United Airlines

Sat, Sep 26 - Wed, Sep 30

2:30 pm - 10:46 pmHLN Helena-DAY Dayton

6h 16m1 stop Denver Intl

9:30 am - 1:48 pmDAY Dayton-HLN Helena

6h 18m1 stop Denver Intl

$731United Airlines

Booking Insights

Price, demand and travel trends for Helena to Dayton flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights from Helena to Dayton with more confidence.

Prices

Airlines

Layovers

How much is a round-trip flight from Helena to Dayton?

Round-trip flights from Helena to Dayton start at $594. Prices are above average for this route right now, with typical round-trip fares ranging from $399 to $463. The lowest price found in the past 5 days was $594 on United Airlines.

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Cheapest flight	$728

Flight from Helena to Dayton

When to book flights from Helena to Dayton

Are your dates flexible? Find out the best times to travel from Helena to Dayton based on our flight data from the last year. Discover the cheapest month and even day to fly.

Estimated round-trip price

KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

Which airports can I use when flying from Helena to Dayton?
Flights from Helena to Dayton usually depart from Helena (HLN) and arrive at Dayton (DAY).
Which airports do connecting flights from Helena to Dayton pass through?
Most connecting flights from Helena to Dayton pass through Denver Intl (DEN), which handles 100% of one-stop traffic on this route. Other layover airports each see under 5%.
Do I need a passport to fly from Helena to Dayton?
No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID, or another TSA-accepted form of identification.
Have flight prices from Helena to Dayton changed much recently?
Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $594 to $1,188. That means the highest observed fare was about 2x higher than the lowest one.
What is the time difference between Helena and Dayton?
Dayton is 2 hours ahead of Helena (Eastern Time vs Mountain Time). Plan for the time shift when scheduling connections or first-day activities.
What car rental options are available at Dayton Airport (DAY)?
Dayton Airport (DAY) hosts 5 major car rental companies, with daily rates starting from around $32 for economy cars. Top options include:
• Budget
• Thrifty
• Hertz
• Alamo
• Avis

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HLN - DAY

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Everything you should know

Cheap Flights from Helena to Dayton (HLN-DAY)

Recent round-trip flight deals from Helena to Dayton

Recent one-way flight deals from Helena to Dayton

Price, demand and travel trends for Helena to Dayton flights

How much is a round-trip flight from Helena to Dayton?

What is the cheapest airline to fly from Helena to Dayton?

What is the cheapest layover airport when flying from Helena to Dayton?

When flying from Helena to Dayton which airport offers the shortest layover?

Key details for Helena to Dayton flights

Cheapest flight

When to book flights from Helena to Dayton

Your Helena to Dayton flight questions, answered

More options for your flight from Helena to Dayton

Complete your trip to Dayton with a hotel stay or car rental

Information on your arrival and departure airports

Cabin class types available on flights from Helena to Dayton

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Flights from domestic origins to Dayton

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