Title: Cheap Flights from Helena (HLN) to Mexico City (MEX) - Expedia.ca ![](https://images.trvl-media.com/place/178285/388064c6-2e66-47ba-98dd-6dc49069a330.jpg?impolicy=fcrop&w=1200&h=500&q=medium) ![](https://a.travel-assets.com/travel-assets-manager/fallback-images-brand/bex_flights_v2.jpg?impolicy=fcrop&w=1200&h=500&q=medium) # Cheap Flights from Helena (HLN) to Mexico City (MEX) - [Roundtrip](?flightType=roundtrip) - [One-way](?flightType=oneway) - [Multi-city](?flightType=multicity) ### Travellers Adults ChildrenAges 2 to 17 InfantsYounger than 2 EconomyPremium economyBusiness classFirst class Leaving from Going to Departing Returning Add a place to stay Add a car Direct flights only ## Popular airlines from Helena, MT (HLN-Helena Regional) to Benito Juarez International Airport (MEX) - ![Delta](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_DL.svg) Delta [](https://www.expedia.ca/Flights-Search?leg1=from:hln,to:mex,departure:17/10/2025TANYT&leg2=from:mex,to:hln,departure:24/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"DL"}}]) - ![United](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_UA.svg) United [](https://www.expedia.ca/Flights-Search?leg1=from:hln,to:mex,departure:17/10/2025TANYT&leg2=from:mex,to:hln,departure:24/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"UA"}}]) ![notification illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__notification.svg) ### Be in the know Get alerts if flight prices drop or rise\* ![deals illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__deals.svg) ### Book smarter Save up to 30% on select hotels after you book a flight\* ![trophy illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__trophy.svg) ### Earn twice Earn your airline miles on top of our rewards [Sign in](https://www.expedia.ca/login) ## Frequently asked questions ### How much is a flight from HLN to Mexico Airport? > Start packing your suitcase, because round-trip flights between HLN and Mexico Airport start from . That's based on airfares available within the last 7 days on Expedia for flights departing within the next year. Prices can go up quickly, so book now to nab the best deal. Prices and availability are subject to change. Additional terms apply. ### Do I need to pay a cancellation fee if I cancel my flight from Helena Regional Airport to Benito Juárez Intl. Airport? > This varies between airlines, as each one has its own set of terms and conditions. Visit the [Customer Service Portal](https://www.expedia.ca/helpcenter), where you'll find easy instructions on how to cancel online. ### How do I find cheap flights from HLN to MEX that have flexible change policies? > Plenty of carriers will allow you to move your flight without a change fee. All you pay is the cost difference between flights. When searching for HLN to Benito Juárez Intl. Airport flights, you'll see a "No change fees" box for you to select. ### How many hours is the flight from HLN to Mexico City Intl. Airport (MEX)? > The flight time from HLN to Benito Juárez Intl. Airport is about 5 hours and 42 minutes. Put your earphones in, listen to a good podcast and your journey will whiz by. ### How far is the flight from Helena Regional Airport to MEX? > Around 3,200 kilometres separates Helena and Mexico City, so pack something to help you fill in a couple of hours. That novel you haven't had time to finish will be just the ticket. ### Which airlines fly direct from Helena Regional Airport (HLN) to Benito Juárez Intl. Airport? > There are no direct flights, so you'll need to make at least one stop between Helena Regional Airport (HLN) and Mexico City Intl. Airport (MEX). Make the most of the layover time to stretch your legs and enjoy some personal space. ### Are Helena Regional Airport (HLN) to MEX flight tickets cheaper when they're purchased at the last minute? > Booking last minute from Helena Regional Airport to Mexico Airport can be hit-or-miss. You may be able to score a bargain, but you could also miss out completely! If you'd prefer to start your trip planning ahead of time, Expedia compares flight deals up to a year in advance. Just remember that not all airlines release their prices that far in advance. Our advice? Check back often as updates are made regularly. ## Travel information | Origin airport | Helena Regional | | --- | --- | | Destination airport | Mexico City Intl. | | Distance | 3223 km | ## Book with confidence ### Helena to Mexico City Flights **The easy way to book your flights from Helena to Mexico City**  With Expedia, it’s simple to find and book flights to Mexico City from Helena whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from airlines that cover this route. There are nonstop flights to Mexico City Intl., too.   Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from Helena to Mexico City today, tomorrow, or this week.   **Save dollars with cheap flights from Helena Regional, HLN to Mexico City Intl., MEX**  Sort your search results by price to find great deals on your flight from Helena to Mexico City—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Mexico City from Helena currently is just rising to .   Here are more money-saving tips:  - Fly in when flight prices are normally at their lowest  - Book about a month to 6 weeks before you travel for the best prices to Mexico City   - Avoid peak season and weekends when flights can cost more - Early morning and late-night flights are sometimes cheaper, so try varying your travel times  - One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free!  **Reasons to choose Expedia for your flight to Mexico City from Helena**  Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. 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