Are there nonstop flights from Idaho Falls (IDA) to Anchorage (ANC)?

No. The fastest connection is via Seattle, about 4h 48m of total flying time.

What is the fastest connection from Idaho Falls (IDA) to Anchorage (ANC)?

via Seattle ≈ 4h 48m, via Portland ≈ 4h 56m, via Salt Lake City ≈ 5h 22m (estimated flying time, excluding layovers).

from 23,000 JAL miles (economy, one way, based on the published award charts).

Idaho Falls Regional Airport (IDA) to Ted Stevens Anchorage International Airport (ANC)・3,166 km

No nonstop flights. The fastest connection is via Seattle (SEA), about 4h 48m of flying time (layover not included).

With milesJAL 23,000 miles+ (via SEA)Economy, one way, estimate. Tap a connection for miles by cabin.

None.

8 one-stop options, sorted by estimated flying time. Tap one to see the airlines on each leg and booking links.

Times are estimated from distance. Check schedules, frequency and availability with the airline or a booking site.