Flights Honolulu, Oahu → Casper
As of September 2026, economy flights from Honolulu, Oahu to Casper have a typical range USD 687–1962, median USD 714. Full range across all 88 offers: USD 671–4970. We analyzed 88 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: Honolulu, Oahu → Casper
Based on 88 offers · September 2026. Prices and availability change — run a live search to confirm.
Bag & seat fees: Honolulu, Oahu → Casper
Add-on pricing from the cheapest available offer per airline · September 2026 · USD
| Airline | Carry-on | Checked bag | Seat selection |
|---|---|---|---|
| United Airlines | — | USD 35 | — |
| United | — | USD 50 | — |
| Alaska Airlines | Included | USD 35 | — |
| Alaska | — | USD 45 | — |
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 Honolulu, Oahu to Casper cost?
Based on 88 offers · September 2026
Honolulu, Oahu to Casper flights ranged from USD 671 to USD 4970 across 88 offers analyzed in September 2026. The chart below shows how prices distributed across all 88 offers.
These 88 offers (September 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 704 and USD 860
What hidden fees do Honolulu, Oahu to Casper flights charge?
Ancillary fees — bags, seat selection, and payment surcharges — can add 10–25% to the base fare on Honolulu, Oahu to Casper routes. The breakdown below is based on 88 offers analyzed in September 2026.
| Carrier | Avg fee (USD) | % of base fare |
|---|---|---|
| UA | 45 | 4% |
| United | 50 | 7% |
| AS | 45 | 6% |
| Alaska | 45 | 6% |
United: base ~USD 649 + fees USD 50 = ~USD 699 total. United Airlines: base ~USD 800 + fees USD 45 = ~USD 845 total.
United's USD 50 ancillary fees narrow the gap with United Airlines's lower-fee model — the USD 151 base difference shrinks to USD 146 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.Fee levels are relatively consistent across carriers on this route.
Run your search to see itemized fees for your itineraryWhich airline is cheapest from Honolulu, Oahu to Casper?
4 airlines flew Honolulu, Oahu to Casper 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 (United), fares ranged USD 680–708 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) |
|---|---|---|---|---|
 United | 17 | 680–708 | 699 | 50 (7%) |
 Alaska Airlines | 9 | 704–713 | 704 | 45 (6%) |
 Alaska | 3 | 706–710 | 710 | 45 (6%) |
 United Airlines | 59 | 699–2061 | 845 | 45 (5%) |
Where do the best Honolulu, Oahu → Casper prices come from?
We checked direct airlines, travel agencies, and meta-search for this route. On this route the lowest median came from travel agency 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: Honolulu, Oahu to Casper flights
- Honolulu, Oahu–Casper had 88 offers analyzed. Median price: USD 714.
- United charges 1.1x more in ancillary fees than UA — USD 50 vs USD 45 avg per booking.
- The same route priced USD 203 apart depending on where it was booked — the lowest median was USD 703. 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 Honolulu, Oahu to Casper cost?
- Based on 88 offers analyzed, Honolulu, Oahu to Casper flights range from USD 671 to USD 4970, with a median price of USD 714. Search for your specific dates →
- What hidden fees should I expect on Honolulu, Oahu to Casper flights?
- On average, ancillary fees (bags, seat selection) add USD 46 to the base fare on Honolulu, Oahu to Casper flights. See itemized fees for your itinerary →
- Which airline is cheapest on Honolulu, Oahu to Casper including all fees?
- United has the lowest median fare on Honolulu, Oahu to Casper at USD 699 (median across 17 offers in our snapshot). Check which airline wins on your dates →
- Which booking site has the cheapest Honolulu, Oahu–Casper 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 703. Run a live search and we'll find the cheapest for you →
- Why do prices vary so much on Honolulu, Oahu to Casper routes?
- Honolulu, Oahu to Casper has 4 airlines competing, creating a price range from USD 671 to USD 4970 across 88 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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