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What Airlines Fly In And Out Of Idaho Falls?

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Last updated on 5 min read

As of 2026, commercial airlines operating out of Idaho Falls Regional Airport (IDA) include Allegiant Air, United Airlines, American Airlines, Delta Air Lines, and Alaska Airlines, with seasonal routes to Las Vegas, Phoenix, Portland, Dallas-Fort Worth, and other hubs.

Where do flights go from Idaho Falls?

As of 2026, flights from Idaho Falls Regional Airport (IDA) go to Las Vegas, Phoenix, Portland, Dallas-Fort Worth, and seasonal destinations depending on the airline.

Allegiant Air offers nonstop service to Vegas and Phoenix. American Airlines jumps straight to Phoenix and Dallas-Fort Worth. United Airlines runs routes through Denver. Always check airline schedules—routes can shift seasonally or when new ones launch in 2025 and 2026.

Does Southwest Airlines fly into Idaho?

No, Southwest Airlines does not fly into Idaho Falls Regional Airport (IDA); it serves Boise Airport (BOI) instead.

Southwest sticks to Boise, which is Idaho’s biggest city and a convenient gateway for southern Idaho travelers. If you’re heading to Idaho Falls, book with Allegiant, American, United, or Delta instead. You can double-check Southwest’s current routes on their official website.

Does American fly into Idaho Falls?

Yes, American Airlines operates direct flights out of Idaho Falls Regional Airport (IDA) to Phoenix and Dallas-Fort Worth as of 2026.

These flights run seasonally or year-round, with multiple departures each week. You can book directly through American’s site or any travel agent. Having American at IDA makes it easier to connect to major hubs across the western and central U.S.

What airline goes to Idaho Falls?

Commercial airlines serving Idaho Falls Regional Airport (IDA) include Allegiant Air, United Airlines, American Airlines, Delta Air Lines, and Alaska Airlines as of 2026.

These airlines link Idaho Falls to big hubs like Phoenix, Denver, Dallas, Atlanta, and Seattle. Allegiant keeps things seasonal, while the legacy carriers run more regular flights. For the latest schedules, swing by the airport’s official site.

Does Southwest fly to IDA?

No, Southwest Airlines does not fly to Idaho Falls (IDA) as of 2026.

Southwest’s closest Idaho stop is Boise Airport (BOI). From there, you’re looking at about a 300-mile drive to Idaho Falls—rent a car or hop on ground transport. Always double-check airline routes before you book; they can change every year.

Where is the largest airport in Idaho?

Boise Airport (BOI) is the largest and busiest airport in Idaho, located approximately 3 miles south of downtown Boise.

Boise Airport is the state’s main hub, with the most frequent domestic and international flights. It’s also Idaho’s only airport with customs facilities for international arrivals. According to U.S. Bureau of Transportation Statistics, BOI handled over 3.8 million passengers in 2024.

What airlines fly into Idaho?

Major airlines flying into Idaho include Alaska, Delta, American, United, and Allegiant, with varying service to Boise, Idaho Falls, and other regional airports.

Alaska Airlines runs multiple daily flights to Boise from Seattle and Portland. Delta keeps things hopping with daily service to Boise, Bozeman, and Spokane. Allegiant connects Idaho Falls to Las Vegas and Phoenix. Compare schedules and fares across the state using airline websites.

Where does Delta fly to in Idaho?

Delta Air Lines operates year-round service to Boise, Idaho, and seasonal flights to Bozeman, Montana, and Spokane, Washington from Idaho airports.

Delta’s daily Boise flights come from Salt Lake City and Atlanta, making it a solid choice for travelers across the U.S. The airline’s schedule supports both business and leisure trips throughout the region. Check Delta’s route map for any seasonal changes.

Where does Southwest fly into Idaho?

Southwest Airlines serves Boise Airport (BOI) in Idaho as of 2026.

From Boise, Southwest offers nonstop flights to Denver, Las Vegas, Phoenix, Portland, and San Diego. Boise Airport sits in a great spot for accessing southern Idaho’s outdoor spots and city amenities. Southwest’s customer-friendly policies make it a favorite for regional travelers.

Does JetBlue fly out of Boise Idaho?

Yes, JetBlue operates nonstop service between Boise Airport (BOI) and New York City (JFK) as of 2026.

This is JetBlue’s only route from Boise, giving travelers a direct shot to the Northeast. It’s perfect if you’re heading to New York or connecting to other JetBlue destinations. Always confirm schedules and availability on JetBlue’s website before booking.

Who flies out of Boise?

Major airlines flying out of Boise Airport (BOI) include United, American, Delta, Alaska, Aeromexico, Lufthansa, Virgin Atlantic, and Korean Air as of 2026.

These airlines cover domestic and international routes, including seasonal trips to Mexico, Europe, and Asia. Boise acts as a key hub for business and leisure travelers in the Intermountain West. Use the airport’s flight tracker to check live departures.

How much is long term parking at the Idaho Falls airport?

Long-term parking at Idaho Falls Regional Airport costs $7 per day or $42 per week as of 2026.

Hourly parking runs $2 per hour, with a $20 daily cap. If you’re traveling for a while, weekly and monthly rates save money. You can pay with cash, credit card, or the ParkMobile app. Visit the airport’s parking page for the latest rates and payment options.

What airlines fly out of IDA?

Airlines flying out of Idaho Falls Regional Airport (IDA) include United, Delta, American, Alaska, Virgin Atlantic, Air France, Aeromexico, and KLM as of 2026.

These carriers connect Idaho Falls to major U.S. hubs, Mexico, and Europe. United and Delta run the most frequent domestic flights, while international airlines handle seasonal routes. Always verify flight availability and schedules on airline websites before you book.

What is the closest major airport to Idaho Falls?

Idaho Falls Regional Airport (IDA) is the closest major airport to Idaho Falls, located just 3.8 miles from downtown.

Airport City Distance from Idaho Falls
Idaho Falls Regional Airport Idaho Falls 3.8 miles
Pocatello Regional Airport Pocatello 47.76 miles
Jackson Hole Airport Jackson 65.64 miles
Friedman Memorial Airport Hailey 113.41 miles

If you need a bigger airport, Salt Lake City International (SLC) is about 270 miles northwest—roughly a 4.5-hour drive. Always weigh flight options against ground transportation costs when you’re deciding where to fly in or out of.

Edited and fact-checked by the MeridianFacts editorial team.
Tom Bennett

Tom Bennett is a travel planning writer and former travel agent who has booked everything from weekend road trips to round-the-world itineraries. He lives in San Diego and writes practical travel guides that focus on what you actually need to know, not what looks good on Instagram.