Flight time
6 hours 45 minutes nonstop
Distance
3,175 mi
Cheapest months
April, May, September, and October
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About flying from Salt Lake City to Kauai
Kauai (LIH) is the least-traveled of the four major Hawaiian-island routes from Salt Lake City, and Deal Wings members who watch this route patiently catch some of the deepest Hawaiian-island deals of the year. Nonstop service is seasonal and limited; most Utah travelers connect through LAX, SFO, or SEA. Typical round-trip economy fares run $550 to $800; under $400 RT is a great deal, under $300 is an insane deal, and below $250 RT is a true unicorn fare.
Kauai's smaller airport and lower seat capacity mean that fare drops are sharper but rarer than on Maui or Oahu. When a great deal lands on this route, expect it to sell out within an hour or two.
Insider tip: Kauai seat inventory is small. The moment a great or insane deal hits this route, treat it as a sell-within-the-hour situation: book first, refine plans later.
Airlines flying Salt Lake City to Kauai
The airlines we most commonly track on the SLC → LIH route:
- Delta
- Alaska Airlines
- United
Frequently asked questions
Is there a nonstop flight from SLC to Kauai?
Delta Air Lines runs seasonal nonstops Salt Lake City → Lihue (LIH), primarily during winter and spring. Outside those windows, plan on a one-stop routing via LAX, SFO, or SEA on Delta, United, or Alaska Airlines.
How long is the flight from SLC to Kauai?
Nonstop flights take about 6 hours 45 minutes westbound. With a typical 90-minute layover at LAX or SFO, expect 9–10 hours total travel time on a one-stop itinerary.
When are flights to Kauai cheapest?
Late April through May and the second half of September through October are the cheapest. Avoid Christmas, New Year's, and spring break. Fares often double over those weeks.
What's a great price for SLC → Kauai round trip?
Under $500 round-trip economy is a great deal; under $400 is insane; below $300 is a unicorn fare. Kauai fares run consistently higher than other Hawaiian islands because of limited capacity.
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