--- title: "Idaho Falls (IDA) airport: direct flights & routes" description: "Flights to and from Idaho Falls (IDA): 10 nonstop destinations on 5 airlines, including Denver, Dallas and Salt Lake City. See who flies each one on 2LNR." canonical: "https://2lnr.com/routes/ida" url: "https://2lnr.com/routes/ida.md" date_modified: "2026-10-23T14:17:50Z" --- # Direct flights from Idaho Falls (IDA) From Idaho Falls Regional Airport (IDA), 5 airlines fly nonstop to 10 destinations, led by American Airlines, Allegiant Air, and Alaska Airlines. The busiest nonstops from Idaho Falls go to Denver, Dallas, and Salt Lake City. 2LNR monitors confirmed space on the Idaho Falls routes flown by American Airlines, Alaska Airlines, and Delta Air Lines so you can act while it's still available. Route data refreshed October 23, 2026. Routes and carriers reflect the schedule data behind 2LNR's route map. Updated October 23, 2026. Explore Idaho Falls routes on the interactive map [Get started free](https://2lnr.com/login) 10 Nonstop destinations 5 Airlines serving IDA Free To get started ## About Idaho Falls Regional Airport (IDA) Idaho Falls Regional Airport (IDA) is the airport serving Idaho Falls, United States. Its ICAO code is KIDA. Departure and arrival times at IDA are local to the America/Boise time zone. Every one of its 10 nonstop destinations is inside United States. ## Confirmed upgrade & award space on Idaho Falls routes 2LNR tracks confirmed upgrade and award space on American Airlines, Alaska Airlines, and Delta Air Lines, segment by segment and date by date. Pick any Idaho Falls destination below to open a calendar of departures, the next 14 days free on every product and the full horizon on Pro. ### See real availability Confirmed upgrade or award seats by date on the IDA routes 2LNR tracks, checked against live inventory so you know what's open before you book. ### Set an alert Premium inventory turns over fast. Watch a tracked Idaho Falls route on Pro and 2LNR notifies you when space appears. ### Plan on the map Explore every IDA nonstop on the interactive route map, with connections and route statistics. ## All nonstop destinations from Idaho Falls (IDA) These are the city pairs behind flights to and from Idaho Falls: 10 nonstop destinations with active service at Idaho Falls Regional Airport. Each route links to its own page, with confirmed upgrade or award space by date where 2LNR tracks the carrier. - [Idaho Falls to Chicago flights (IDA-ORD)](https://2lnr.com/routes/ida-ord.md): American Airlines and United Airlines\ [Return: Chicago to Idaho Falls](https://2lnr.com/routes/ord-ida.md) - [Idaho Falls to Dallas flights (IDA-DFW)](https://2lnr.com/routes/ida-dfw.md): American Airlines\ [Return: Dallas to Idaho Falls](https://2lnr.com/routes/dfw-ida.md) - [Idaho Falls to Denver flights (IDA-DEN)](https://2lnr.com/routes/ida-den.md): United Airlines\ [Return: Denver to Idaho Falls](https://2lnr.com/routes/den-ida.md) - [Idaho Falls to Las Vegas flights (IDA-LAS)](https://2lnr.com/routes/ida-las.md): Allegiant Air\ [Return: Las Vegas to Idaho Falls](https://2lnr.com/routes/las-ida.md) - [Idaho Falls to Mesa flights (IDA-AZA)](https://2lnr.com/routes/ida-aza.md): Allegiant Air\ [Return: Mesa to Idaho Falls](https://2lnr.com/routes/aza-ida.md) - [Idaho Falls to Phoenix flights (IDA-PHX)](https://2lnr.com/routes/ida-phx.md): American Airlines\ [Return: Phoenix to Idaho Falls](https://2lnr.com/routes/phx-ida.md) - [Idaho Falls to Portland flights (IDA-PDX)](https://2lnr.com/routes/ida-pdx.md): Alaska Airlines\ [Return: Portland to Idaho Falls](https://2lnr.com/routes/pdx-ida.md) - [Idaho Falls to Salt Lake City flights (IDA-SLC)](https://2lnr.com/routes/ida-slc.md): Delta Air Lines\ [Return: Salt Lake City to Idaho Falls](https://2lnr.com/routes/slc-ida.md) - [Idaho Falls to Santa Ana flights (IDA-SNA)](https://2lnr.com/routes/ida-sna.md): Allegiant Air\ [Return: Santa Ana to Idaho Falls](https://2lnr.com/routes/sna-ida.md) - [Idaho Falls to Seattle flights (IDA-SEA)](https://2lnr.com/routes/ida-sea.md): Alaska Airlines\ [Return: Seattle to Idaho Falls](https://2lnr.com/routes/sea-ida.md) Explore IDA routes on the interactive map → ## Nonstop flights to Idaho Falls (IDA) 10 airports have nonstops to Idaho Falls Regional Airport in 2LNR's schedule data. Here they are, with the airlines that fly each route. - [Chicago to Idaho Falls flights (ORD-IDA)](https://2lnr.com/routes/ord-ida.md): American Airlines and United Airlines - [Dallas to Idaho Falls flights (DFW-IDA)](https://2lnr.com/routes/dfw-ida.md): American Airlines - [Denver to Idaho Falls flights (DEN-IDA)](https://2lnr.com/routes/den-ida.md): United Airlines - [Las Vegas to Idaho Falls flights (LAS-IDA)](https://2lnr.com/routes/las-ida.md): Allegiant Air - [Mesa to Idaho Falls flights (AZA-IDA)](https://2lnr.com/routes/aza-ida.md): Allegiant Air - [Phoenix to Idaho Falls flights (PHX-IDA)](https://2lnr.com/routes/phx-ida.md): American Airlines - [Portland to Idaho Falls flights (PDX-IDA)](https://2lnr.com/routes/pdx-ida.md): Alaska Airlines - [Salt Lake City to Idaho Falls flights (SLC-IDA)](https://2lnr.com/routes/slc-ida.md): Delta Air Lines - [Santa Ana to Idaho Falls flights (SNA-IDA)](https://2lnr.com/routes/sna-ida.md): Allegiant Air - [Seattle to Idaho Falls flights (SEA-IDA)](https://2lnr.com/routes/sea-ida.md): Alaska Airlines ## Airlines that fly out of Idaho Falls (IDA) The carriers with nonstop service from Idaho Falls Regional Airport, ordered by how many destinations each one reaches. Each links to that airline's full route map. - [American Airlines (AA)](https://2lnr.com/routes/airlines/aa.md) - [Allegiant Air (G4)](https://2lnr.com/routes/airlines/g4.md) - [Alaska Airlines (AS)](https://2lnr.com/routes/airlines/as.md) - [United Airlines (UA)](https://2lnr.com/routes/airlines/ua.md) - [Delta Air Lines (DL)](https://2lnr.com/routes/airlines/dl.md) ## Alternative airports near Idaho Falls (IDA) Nearby airports with nonstop service of their own, closest first. Distances are great-circle between the two airports' coordinates, not driving time, so check the ground connection before you treat one as a substitute. - [Pocatello (PIH)](https://2lnr.com/routes/pih.md) (50 miles, 1 nonstop destination) - [Jackson (JAC)](https://2lnr.com/routes/jac.md) (67 miles, 18 nonstop destinations) - [West Yellowstone (WYS)](https://2lnr.com/routes/wys.md) (94 miles, 1 nonstop destination) - [Hailey (SUN)](https://2lnr.com/routes/sun.md) (112 miles, 8 nonstop destinations) - [Twin Falls (TWF)](https://2lnr.com/routes/twf.md) (142 miles, 1 nonstop destination) [United States flights by airport](https://2lnr.com/routes/to/united-states.md) - [How American upgrades clear](https://2lnr.com/about/aa/upgrades.md) - [How to read award availability by date](https://2lnr.com/guides/award-availability.md) ## Frequently asked questions about Idaho Falls (IDA) **How many nonstop destinations does Idaho Falls Regional Airport (IDA) serve?** Idaho Falls Regional Airport has active nonstop service to 10 destinations in 2LNR's schedule data. The busiest markets from IDA are Denver, Dallas, and Salt Lake City. The full list, with who flies each route and, where 2LNR tracks the carrier, upgrade and award space by date, is on this page. **Which airlines fly out of Idaho Falls (IDA)?** The carriers with nonstop service from Idaho Falls Regional Airport are listed in full on this page, each linked to its own route map. American Airlines, Allegiant Air, and Alaska Airlines run the most routes from Idaho Falls, in that order. In 2LNR's schedule data that is 5 airlines in total. **How many airlines fly out of IDA?** 2LNR's schedule data currently shows 5 airlines with at least one nonstop route from Idaho Falls (IDA). That figure counts the carrier operating the flight rather than every carrier that sells a seat on it, so a codeshare marketed by a partner is not counted twice, and it moves with the season. **How do I check upgrade or award availability from IDA?** Pick any destination on this page, such as Dallas, to open a calendar of IDA departures with confirmed upgrade and award space on American Airlines, Alaska Airlines, and Delta Air Lines by date, the next 14 days free on every product and the full horizon on Pro. On Pro you can also set an alert so 2LNR notifies you when space opens. **Does 2LNR track flights from IDA?** Yes. Every nonstop route from Idaho Falls Regional Airport in 2LNR's schedule data is listed, 10 destinations in total, and on the routes flown by American Airlines, Alaska Airlines, and Delta Air Lines what is shown is confirmed availability rather than a forecast, the next 14 days free on every product and the full horizon on Pro. **Where can you fly nonstop from Idaho Falls (IDA)?** From Idaho Falls (IDA), 2LNR's schedule data shows nonstop flights to Chicago, Dallas, Denver, Las Vegas, Mesa, Phoenix, Portland, Salt Lake City, Santa Ana, and Seattle. This page lists every one, with the airlines that fly it. ## Never miss IDA upgrade or award space See what's open by date on these routes, the next 14 days free on every product and the full horizon on Pro. [Get started free](https://2lnr.com/login)