$434 Cheap Flights from Santo Domingo (SDQ) to Helena (HLN)

View $434 flight on Fri, Feb 20, 2026Opens in a new window

Popular airlines from Las Americas Intl. Airport (SDQ) to Helena, MT (HLN-Helena Regional)

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Cheap Flights from Santo Domingo to Helena (SDQ-HLN)

Prices were available within the past 7 days and start at $434 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frequently asked questions

How much does a flight from Las Americas Intl. Airport (SDQ) to Helena Regional Airport (HLN) cost?
Lock in a cheap one-way flight from $434 or cheap return flight from Las Americas Intl. Airport (SDQ) to Helena Regional Airport (HLN) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Las Americas Intl. Airport (SDQ) to Helena Regional Airport (HLN)?
The cheapest month to fly from SDQ to HLN is , when there's less demand. Off-peak season is generally when better flight deals are available between these airports.
What is the cheapest airline that flies from Las Americas Intl. Airport (SDQ) to Helena Regional Airport (HLN)?
To find the cheapest airline that'll fly you from SDQ to HLN, use Expedia's filter tool. Tailor your search based on what matters most to you, such as preferred carriers and cabin class. You can then sort your results by "Price (lowest to highest)" to discover the cheapest flight right away.
How many flights per day from Las Americas Intl. Airport (SDQ) to Helena Regional Airport (HLN)?
Nonstop flights from Las Americas Intl. Airport (SDQ) to Helena Regional Airport (HLN) aren't available daily, so you'll have to take a flight with a layover. Explore your options with Expedia's filters. Enter your travel dates and select either "1 Stop" or "2+ Stops."
What day of the week has the most flights from SDQ to HLN?
You'll generally find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can change from season to season and during peak travel times or public holidays.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Las Americas Intl. Airport (SDQ) to Helena Regional Airport (HLN)?
To land at Helena Regional Airport (HLN) on schedule, select a flight that leaves Las Americas Intl. Airport (SDQ) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this time.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Las Americas Intl. Airport (SDQ) to Helena Regional Airport (HLN) last-minute?
Holding off until just before your departure to book a ticket from SDQ to HLN generally means paying more. While you might find some last-minute deals, there's no guarantee. Be flexible with your travel plans for a better chance of scoring a bargain.
Is it cheaper to book a SDQ to HLN flight and hotel package?
Compared with arranging flights and hotels separately, booking a SDQ to HLN flight and hotel package with Expedia could result in significant savings. What's more, managing everything in one place will take the hassle out of planning your trip. Just secure your flights and select from our extensive range of stays, then customize your trip with other add-ons like activities, tours and car rentals.
Can I cancel or change the date of my flight from Las Americas Intl. Airport (SDQ) to Helena Regional Airport (HLN)?
If you reserved your SDQ to HLN flight in the last 24 hours, you may be able to cancel or modify it without fees. Depending on the airline and the ticket type you purchased, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal for more information.

Travel information

Travel information

Origin airport
Las Americas Intl.
Destination airport
Helena Regional
Distance
3083 mi

Book with confidence

Book with confidence

Santo Domingo to Helena Flights

The cheapest times to fly from Santo Domingo to Helena

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Santo Domingo to Helena are during the month of . You can find some of the cheapest flights from Santo Domingo to Helena with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Santo Domingo to Helena

Sunday is one of the best days to book for cheap flights from Santo Domingo to Helena: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Santo Domingo to Helena

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Santo Domingo to Helena in 2025. You can also book with separate airlines for your outbound and return journeys, from $434 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Santo Domingo to Helena flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Santo Domingo to Helena airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Santo Domingo to Helena Flights

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