$184 Cheap Flights from Helena (HLN) to Guadalajara (GDL)

View $184 flight on Thu, Sep 4, 2025Opens in a new window

Popular airlines from Helena, MT (HLN-Helena Regional) to Don Miguel Hidalgo y Costilla Intl. Airport (GDL)

Cheap Flights from Helena to Guadalajara (HLN-GDL)

Prices were available within the past 7 days and start at $184 for one-way flights and $415 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Tue, Sep 2 - Thu, Sep 11
HLN
Helena
GDL
Guadalajara
$415 Roundtrip, found 21 hours ago
$415
Roundtrip
found 21 hours ago
Select Delta flight, departing Tue, Sep 2 from Helena to Guadalajara, returning Thu, Sep 11, priced at $415 found 21 hours ago
Delta
Tue, Sep 2 - Mon, Sep 8
HLN
Helena
GDL
Guadalajara
$420 Roundtrip, found 21 hours ago
$420
Roundtrip
found 21 hours ago
Select Delta flight, departing Tue, Sep 2 from Helena to Guadalajara, returning Mon, Sep 8, priced at $420 found 21 hours ago
United
Thu, Sep 4 - Thu, Sep 25
HLN
Helena
GDL
Guadalajara
$423 Roundtrip, found 2 days ago
$423
Roundtrip
found 2 days ago
Select United flight, departing Thu, Sep 4 from Helena to Guadalajara, returning Thu, Sep 25, priced at $423 found 2 days ago
United
Thu, Sep 4 - Thu, Sep 25
HLN
Helena
GDL
Guadalajara
$429 Roundtrip, found 2 days ago
$429
Roundtrip
found 2 days ago
Select United flight, departing Thu, Sep 4 from Helena to Guadalajara, returning Thu, Sep 25, priced at $429 found 2 days ago
Delta
Thu, Sep 4 - Thu, Sep 25
HLN
Helena
GDL
Guadalajara
$433 Roundtrip, found 2 days ago
$433
Roundtrip
found 2 days ago
Select Delta flight, departing Thu, Sep 4 from Helena to Guadalajara, returning Thu, Sep 25, priced at $433 found 2 days ago
Delta
Tue, Sep 2 - Tue, Sep 23
HLN
Helena
GDL
Guadalajara
$439 Roundtrip, found 2 days ago
$439
Roundtrip
found 2 days ago
Select Delta flight, departing Tue, Sep 2 from Helena to Guadalajara, returning Tue, Sep 23, priced at $439 found 2 days ago
Delta
Tue, Sep 2 - Sun, Sep 21
HLN
Helena
GDL
Guadalajara
$440 Roundtrip, found 1 day ago
$440
Roundtrip
found 1 day ago
Select Delta flight, departing Tue, Sep 2 from Helena to Guadalajara, returning Sun, Sep 21, priced at $440 found 1 day ago
Delta
Fri, Aug 29 - Mon, Sep 15
HLN
Helena
GDL
Guadalajara
$442 Roundtrip, found 21 hours ago
$442
Roundtrip
found 21 hours ago
Select Delta flight, departing Fri, Aug 29 from Helena to Guadalajara, returning Mon, Sep 15, priced at $442 found 21 hours ago
United
Thu, Sep 4 - Thu, Sep 25
HLN
Helena
GDL
Guadalajara
$444 Roundtrip, found 2 days ago
$444
Roundtrip
found 2 days ago
Select United flight, departing Thu, Sep 4 from Helena to Guadalajara, returning Thu, Sep 25, priced at $444 found 2 days ago
Alaska Airlines
Sat, Jan 17 - Sat, Jan 24
HLN
Helena
GDL
Guadalajara
$475 Roundtrip, found 6 days ago
$475
Roundtrip
found 6 days ago
Select Alaska Airlines flight, departing Sat, Jan 17 from Helena to Guadalajara, returning Sat, Jan 24, priced at $475 found 6 days ago

Alternative airports near Guadalajara

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Don Miguel Hidalgo y Costilla Intl. GDL. Cheapest and Closest option available. Average driving time to city center is 18 minutes. Flights from $565
GDL
Don Miguel Hidalgo y Costilla Intl.
CheapestClosest
Average driving time to city center18 min
Flights from $565
Flights from Helena (HLN) to Guadalajara (GDL)
Origin airport
Helena Regional
Destination airport
Don Miguel Hidalgo y Costilla Intl.
Airlines serving
Alaska Airlines, Delta, United
Roundtrip price
$415
Distance
1867 mi

Helena to Guadalajara Flights

The cheapest times to fly from Helena to Guadalajara

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 Helena to Guadalajara are during the month of September. You can find some of the cheapest flights from Helena to Guadalajara with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Helena to Guadalajara

Sunday is one of the best days to book for cheap flights from Helena to Guadalajara: 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 Helena to Guadalajara

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 Helena to Guadalajara in 2025. You can also book with separate airlines for your outbound and return journeys, from $184 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 Helena to Guadalajara 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 Helena to Guadalajara 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.

 

Frequently asked questions

How much does a flight from Helena Regional Airport (HLN) to Don Miguel Hidalgo y Costilla Intl. Airport (GDL) cost?
Lock in a cheap one-way flight from $184 or cheap return flight from $415 from Helena Regional Airport (HLN) to Don Miguel Hidalgo y Costilla Intl. Airport (GDL) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Helena Regional Airport (HLN) to Don Miguel Hidalgo y Costilla Intl. Airport (GDL)?
September is the most affordable month to fly from HLN to GDL. Planning your trip for the off-season is often the key to better flight prices.
What is the cheapest airline that flies from Helena Regional Airport (HLN) to Don Miguel Hidalgo y Costilla Intl. Airport (GDL)?
To find the cheapest airline that'll fly you from HLN to GDL, use Expedia's filter tool. Tailor your search based on what's important to you, such as preferred carriers and ideal departure window. You can then sort your results by "Price (lowest to highest)" to see the cheapest flights first.
How many flights per day from Helena Regional Airport (HLN) to Don Miguel Hidalgo y Costilla Intl. Airport (GDL)?
There are no daily nonstop flights from Helena Regional Airport (HLN) to Don Miguel Hidalgo y Costilla Intl. Airport (GDL). But you can opt for flights with layovers. Filter your search on Expedia to include one or two stops, and you'll be soaring above the clouds in no time.
What day of the week has the most flights from HLN to GDL?
Typically you'll find the greatest selection of flight options on a Friday. Tuesdays are often the quietest.* But this can vary depending on the time of year, carrier and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Helena Regional Airport (HLN) to Don Miguel Hidalgo y Costilla Intl. Airport (GDL)?
To avoid possible delays on the Helena Regional Airport (HLN) to Don Miguel Hidalgo y Costilla Intl. Airport (GDL) route, fly before 3 PM. Later departures have a 22% higher chance of being canceled.**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 Helena Regional Airport (HLN) to Don Miguel Hidalgo y Costilla Intl. Airport (GDL) last-minute?
Holding off until right before your break to book a flight from HLN to GDL generally means paying more. While you might find some last-minute deals, there's no guarantee. Allow some flexibility in your schedule to maximize your chances of snagging a bargain.
Is it cheaper to book a HLN to GDL flight and hotel package?
Compared with arranging flights and hotels separately, booking a HLN to GDL flight and hotel package with Expedia could result in significant savings. Better yet, managing everything in one place takes the hassle out of travel planning. Just secure your flights and select from our extensive range of stays, then customize your trip with other add-ons like car rentals and activities.
Can I cancel or change the date of my flight from Helena Regional Airport (HLN) to Don Miguel Hidalgo y Costilla Intl. Airport (GDL)?
Typically, you can cancel or modify your HLN to GDL flight. However, there may be additional fees, especially if you made your booking more than 24 hours ago. Double-check your itinerary for the airline's rules and fees on flight changes, or if you need further details, visit our Customer Service portal.

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*Available to One Key members.