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

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

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

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

Can I save money by using flexible dates for flights from Dayton to Helena?

Yes. Being flexible with your travel dates can save you up to 62% on the Dayton to Helena route. Friday is the cheapest departure day at $314 round-trip on average, while Tuesday is the most expensive at $807, a difference of $493. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

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

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.

What is the time difference between Dayton and Helena?

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

What car rental options are available at Helena Airport (HLN)?

Helena Airport (HLN) hosts 5 major car rental companies, with daily rates starting from around $25 for economy cars. Top options include: • Budget • Enterprise Rent-A-Car • Hertz • Avis • National

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

United Airlines ($429) offered the cheapest round-trip ticket from Dayton to Helena in the last 5 days.

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

Flights via Denver Intl (DEN) offer the most affordable fares, with an average round-trip price of $505. Based on KAYAK data over the past 3 months.

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

Denver Intl (DEN) had the shortest average connection time for Dayton to Helena layovers at 237 minutes over the past 3 months.

$429 CHEAP FLIGHTS from Dayton to Helena (DAY - HLN)

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Cheapest round-trip

$429

Typical prices: $424-$617

United Airlines

Sat 9/29Wed 10/3

DAY - HLN • 1 stop

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Flight Deals

Cheap Flights from Dayton to Helena (DAY-HLN)

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

Round-trip

One-way

Recent round-trip flight deals from Dayton to Helena

Tue, Sep 29 - Sat, Oct 3

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

6h 18m1 stop Denver Intl

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

6h 16m1 stop Denver Intl

$429United Airlines

Sat, Jan 9 - Tue, Jan 12

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

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

2:30 pm - 10:29 pmHLN Helena-DAY Dayton

5h 59m1 stop Denver Intl

$434United Airlines

Sat, Jan 9 - Tue, Jan 12

11:22 am - 8:59 pmDAY Dayton-HLN Helena

11h 37m2 stops Chicago O'Hare Intl Denver Intl

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

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

$439United Airlines

Sat, Jan 9 - Tue, Jan 12

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

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

2:30 pm - 10:29 pmHLN Helena-DAY Dayton

5h 59m1 stop Denver Intl

$454United Airlines

Sat, Jan 9 - Tue, Jan 12

11:22 am - 8:59 pmDAY Dayton-HLN Helena

11h 37m2 stops Chicago O'Hare Intl Denver Intl

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

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

$459United Airlines

Mon, Oct 12 - Sun, Oct 18

11:23 am - 10:24 pmDAY Dayton-HLN Helena

13h 01m2 stops Atlanta Hartsfield-Jackson Salt Lake City

7:15 am - 6:02 pmHLN Helena-DAY Dayton

8h 47m2 stops Salt Lake City Atlanta Hartsfield-Jackson

$5,454Delta

Booking Insights

Price, demand and travel trends for Dayton to Helena flights

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

Prices

Airlines

Layovers

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

Round-trip flights from Dayton to Helena start at $429. Prices are typical for this route right now, with typical round-trip fares ranging from $424 to $617. The lowest price found in the past 5 days was $429 on United Airlines.

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When to book flights from Dayton to Helena

Are your dates flexible? Find out the best times to travel from Dayton to Helena 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 Dayton to Helena?
Flights from Dayton to Helena usually depart from Dayton (DAY) and arrive at Helena (HLN).
Which airports do connecting flights from Dayton to Helena pass through?
Most connecting flights from Dayton to Helena pass through Denver Intl (DEN), which handles 100% of one-stop traffic on this route. Other layover airports each see under 5%.
Can I save money by using flexible dates for flights from Dayton to Helena?
Yes. Being flexible with your travel dates can save you up to 62% on the Dayton to Helena route. Friday is the cheapest departure day at $314 round-trip on average, while Tuesday is the most expensive at $807, a difference of $493. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.
Do I need a passport to fly from Dayton to Helena?
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.
What is the time difference between Dayton and Helena?
Helena is 2 hours behind Dayton (Mountain Time vs Eastern Time). Plan for the time shift when scheduling connections or first-day activities.
What car rental options are available at Helena Airport (HLN)?
Helena Airport (HLN) hosts 5 major car rental companies, with daily rates starting from around $25 for economy cars. Top options include:
• Budget
• Enterprise Rent-A-Car
• Hertz
• Avis
• National

If your dates can be flexible, aim for a Friday departure instead of Tuesday. On this route, Friday flights average $314 - about $493 less than Tuesday (61% savings) based on the last 12 months.
If you're arriving late at night and need somewhere to stay, check out these hotels close to Helena Airport.
- Days Inn by Wyndham Helena
- Americas Best Value Inn & Suites Helena
- Baymont by Wyndham Helena

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DAY - HLN

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Everything you should know

Cheap Flights from Dayton to Helena (DAY-HLN)

Recent round-trip flight deals from Dayton to Helena

Recent one-way flight deals from Dayton to Helena

Price, demand and travel trends for Dayton to Helena flights

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

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

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

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

When to book flights from Dayton to Helena

Your Dayton to Helena flight questions, answered

Your guide to booking Dayton to Helena flights

More options for your flight from Dayton to Helena

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