$159 Cheap Delta flights Miami (MIA) to Helena (HLN)

View $159 flight on Fri, Sep 5, 2025Opens in a new window

$159 Cheap Delta flights Miami (MIA) to Helena (HLN)

Prices were available within the past 7 days and start at $159 for one-way flights and $317 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Tue, Aug 12 - Mon, Aug 25
MIA
Miami
HLN
Helena
$317 Roundtrip, found 3 days ago
$317
Roundtrip
found 3 days ago
Select Delta flight, departing Tue, Aug 12 from Miami to Helena, returning Mon, Aug 25, priced at $317 found 3 days ago
Delta
Fri, Sep 5 - Fri, Sep 12
MIA
Miami
HLN
Helena
$349 Roundtrip, found 6 days ago
$349
Roundtrip
found 6 days ago
Select Delta flight, departing Fri, Sep 5 from Miami to Helena, returning Fri, Sep 12, priced at $349 found 6 days ago
Delta
Wed, Oct 15 - Fri, Oct 24
MIA
Miami
HLN
Helena
$351 Roundtrip, found 4 days ago
$351
Roundtrip
found 4 days ago
Select Delta flight, departing Wed, Oct 15 from Miami to Helena, returning Fri, Oct 24, priced at $351 found 4 days ago
Delta
Tue, Sep 30 - Tue, Oct 7
MIA
Miami
HLN
Helena
$377 Roundtrip, found 4 days ago
$377
Roundtrip
found 4 days ago
Select Delta flight, departing Tue, Sep 30 from Miami to Helena, returning Tue, Oct 7, priced at $377 found 4 days ago
Delta
Wed, Aug 6 - Mon, Aug 25
MIA
Miami
HLN
Helena
$394 Roundtrip, found 3 days ago
$394
Roundtrip
found 3 days ago
Select Delta flight, departing Wed, Aug 6 from Miami to Helena, returning Mon, Aug 25, priced at $394 found 3 days ago
Delta
Tue, Aug 12 - Tue, Aug 26
MIA
Miami
HLN
Helena
$402 Roundtrip, found 3 days ago
$402
Roundtrip
found 3 days ago
Select Delta flight, departing Tue, Aug 12 from Miami to Helena, returning Tue, Aug 26, priced at $402 found 3 days ago
Flights from Miami (MIA) to Helena (HLN)
Origin airport
Miami Intl.
Destination airport
Helena Regional
Airlines serving
Alaska Airlines, Delta, Hawaiian Airlines, United
Popular airline
United
Distance
2252 mi

Frequently asked questions

How much is a Delta Air Lines flight from Miami Intl. Airport (MIA) to Helena Regional Airport (HLN)?
Apply the "Price (lowest to highest)" filter on Expedia to look for cheap Delta Air Lines return flights from $317 from MIA to HLN. Affordable one-way tickets from $159 are available as well.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
What is the cheapest month to fly from MIA to HLN with Delta Air Lines?
Delta Air Lines flights to Helena are generally cheaper in the off-peak months of December and January. Whether you're after a one-way or a return ticket, you could land a better deal then.
What is the cheapest time to book flights from Miami Intl. Airport (MIA) to Helena Regional Airport (HLN) with Delta Air Lines?
Search for cheap Delta Air Lines flights from Miami Intl. Airport (MIA) to Helena Regional Airport (HLN) one to three months ahead of your departure. Travelers who book domestic flights 34 to 86 days in advance can save 25% compared to those who book just 6 to 12 days ahead. Regardless of fare class and journey, the best day of the week to book a domestic flight is usually Sunday and the most expensive day is typically Monday. Passengers who book on a Sunday can save 6% on average compared to those who book their travel on a Monday.**Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC's global airline sales database.
Does Delta Air Lines fly nonstop from Miami Intl. Airport (MIA) to Helena Regional Airport (HLN)?
To see if there's a direct journey from MIA to HLN with Delta Air Lines or another carrier, check the "Nonstop" box when searching for flights.
What is the earliest Delta Air Lines flight from MIA to HLN?
Sort your results by "Morning" and "Early Morning" to find the earliest departures from MIA to HLN. Taking off early means flight cancellations are less likely.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports does Delta Air Lines fly into in Helena?
Helena Regional Airport (HLN) is the primary Helena gateway for Delta Air Lines flights from Miami Intl. Airport (MIA).
Why fly with Delta Air Lines from MIA to HLN?
Offering an excellent in-flight experience and a rewarding loyalty program, Delta Air Lines is a favorite for many passengers heading from MIA to HLN. What's more, if you're a Delta SkyMiles and One Key™ member booking with Expedia, you could earn OneKeyCash™* on eligible flights on top of your airline miles, which can go toward future travel purchases.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.
Can I change or cancel my Delta Air Lines flight from Miami Intl. Airport (MIA) to Helena Regional Airport (HLN)?
It's generally possible to cancel or reschedule your flight, although there may be additional fees if you made your booking more than 24 hours ago. Want to keep your options open? Make use of our "Changes included" and "No cancel fee" filters to find flights that won't penalize you if you need to alter your plans. To modify your itinerary, go to "Trips," select your flight and click on "Manage Booking" for further information.

Explore a world of travel with Expedia

*Available to One Key members.