Flights Los Angeles → Idaho Falls
As of November 2026, economy flights from Los Angeles to Idaho Falls have a typical range USD 671–1675, median USD 1067. Full range across all 307 offers: USD 377–2389. We analyzed 307 offers from 4 airlines in a single price check.
Preview snapshot — prices change. Search for live results.
Data collected by LetsFG's multi-source price checks — every airline and the major booking sites checked for this route. How we collect data →
Best offers by airline: Los Angeles → Idaho Falls
Based on 307 offers · November 2026. Prices and availability change — run a live search to confirm.
Bag & seat fees: Los Angeles → Idaho Falls
Add-on pricing from the cheapest available offer per airline · November 2026 · USD
| Airline | Carry-on | Checked bag | Seat selection |
|---|---|---|---|
| Alaska Airlines | Included | USD 35 | — |
| United Airlines | Included | USD 35 | — |
| American Airlines | Included | USD 35 | — |
| Delta | Included | USD 35 | — |
Fees are estimates from the prices we checked and may not reflect your specific itinerary, booking class, or payment method. Run a live search for exact pricing.
How much do flights from Los Angeles to Idaho Falls cost?
Based on 307 offers · November 2026
Los Angeles to Idaho Falls flights ranged from USD 377 to USD 2389 across 307 offers analyzed in November 2026. The chart below shows how prices distributed across all 307 offers.
These 307 offers (November 2026) span multiple departure dates and booking windows — your travel dates may fall anywhere in this distribution. Only a live search shows where your specific trip lands.
50% of offers priced between USD 789 and USD 1354
What hidden fees do Los Angeles to Idaho Falls flights charge?
Ancillary fees — bags, seat selection, and payment surcharges — can add 10–25% to the base fare on Los Angeles to Idaho Falls routes. The breakdown below is based on 307 offers analyzed in November 2026.
| Carrier | Avg fee (USD) | % of base fare |
|---|---|---|
| AS | 20 | 3% |
| UA | 44 | 3% |
| AA | 46 | 4% |
| DL | 35 | 3% |
American Airlines: base ~USD 1097 + fees USD 46 = ~USD 1143 total. Delta Air Lines: base ~USD 1143 + fees USD 35 = ~USD 1178 total.
American Airlines's USD 46 ancillary fees narrow the gap with Delta Air Lines's lower-fee model — the USD 46 base difference shrinks to USD 35 after fees. Always compare total cost, not just the advertised base fare.
Estimates based on median total minus average ancillary fee. Actual base fares vary by itinerary.AA charges 2.3x more in ancillary fees than AS on this route. Compare total-cost options when booking.
Run your search to see itemized fees for your itineraryWhich airline is cheapest from Los Angeles to Idaho Falls?
4 airlines flew Los Angeles to Idaho Falls in this dataset. Knowing the airline isn't enough — the typical fare range below shows how far prices swing on each one. Median and range include all fees we recorded.
Even on the cheapest airline (Alaska Airlines), fares ranged USD 513–1106 in this snapshot. Your exact price depends on your dates and how far ahead you book — run a live search to see your number →
| Airline | Offers | Typical range (USD) | Median (USD) | Fees (USD) |
|---|---|---|---|---|
 Alaska Airlines | 113 | 513–1106 | 766 | 20 (3%) |
 American Airlines | 61 | 834–1363 | 1143 | 46 (4%) |
 Delta Air Lines | 31 | 998–1509 | 1178 | 35 (3%) |
 United Airlines | 102 | 875–2097 | 1445 | 44 (3%) |
Where do the best Los Angeles → Idaho Falls prices come from?
We checked direct airlines, travel agencies, and meta-search for this route. On this route the lowest median came from meta-search sources, but the cheapest channel shifts by route and date — which is exactly why a live search across all of them wins.
We compare every airline and the major booking sites but never disclose which — that's our edge. Prices are the ones we observed and aren't official data from any platform. Run a live search and we bring you the cheapest, wherever it is.
Key facts: Los Angeles to Idaho Falls flights
- Los Angeles–Idaho Falls had 307 offers analyzed. Median price: USD 1067.
- AA charges 2.3x more in ancillary fees than AS — USD 46 vs USD 20 avg per booking.
- The same route priced USD 723 apart depending on where it was booked — the lowest median was USD 479. We search every airline and the major booking sites at once so you always see that lowest price.
Frequently asked questions
- How much does a flight from Los Angeles to Idaho Falls cost?
- Based on 307 offers analyzed, Los Angeles to Idaho Falls flights range from USD 377 to USD 2389, with a median price of USD 1067. Search for your specific dates →
- What hidden fees should I expect on Los Angeles to Idaho Falls flights?
- On average, ancillary fees (bags, seat selection) add USD 35 to the base fare on Los Angeles to Idaho Falls flights. See itemized fees for your itinerary →
- Which airline is cheapest on Los Angeles to Idaho Falls including all fees?
- Alaska Airlines has the lowest median fare on Los Angeles to Idaho Falls at USD 766 (median across 113 offers in our snapshot). Check which airline wins on your dates →
- Which booking site has the cheapest Los Angeles–Idaho Falls flights?
- It depends on your dates — no single site is always cheapest. We search every airline and the major booking sites at once (travel agencies and meta-search included) and surface whichever is lowest; the best median in this snapshot was USD 479. Run a live search and we'll find the cheapest for you →
- Why do prices vary so much on Los Angeles to Idaho Falls routes?
- Los Angeles to Idaho Falls has 4 airlines competing, creating a price range from USD 377 to USD 2389 across 307 offers. Prices on this route change with booking timing, advance purchase, and ancillary add-ons. Find where your trip lands in the distribution →
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