Flights Lihue, Kauai → Seattle
As of November 2026, economy flights from Lihue, Kauai to Seattle have a typical range CAD 448–1031, median CAD 676. Full range across all 110 offers: CAD 405–2960. We analyzed 110 offers from 8 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: Lihue, Kauai → Seattle
Based on 110 offers · November 2026. Prices and availability change — run a live search to confirm.
Bag & seat fees: Lihue, Kauai → Seattle
Add-on pricing from the cheapest available offer per airline · November 2026 · CAD
| Airline | Carry-on | Checked bag | Seat selection |
|---|---|---|---|
| Alaska Airlines | Included | CAD 35 | — |
| United | — | CAD 70 | — |
| United | Included | CAD 35 | — |
| American Airlines | Included | CAD 35 | — |
| Delta | Included | CAD 35 | — |
| Southwest Airlines | Included | Included | — |
| Alaska | — | CAD 63 | — |
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 Lihue, Kauai to Seattle cost?
Based on 110 offers · November 2026
Lihue, Kauai to Seattle flights ranged from CAD 405 to CAD 2960 across 110 offers analyzed in November 2026. The chart below shows how prices distributed across all 110 offers.
These 110 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 CAD 609 and CAD 921
What hidden fees do Lihue, Kauai to Seattle flights charge?
Ancillary fees — bags, seat selection, and payment surcharges — can add 10–25% to the base fare on Lihue, Kauai to Seattle routes. The breakdown below is based on 110 offers analyzed in November 2026.
| Carrier | Avg fee (CAD) | % of base fare |
|---|---|---|
| AS | 48 | 7% |
| United | 70 | 11% |
| UA | 48 | 3% |
| AA | 45 | 6% |
| DL | 45 | 6% |
| WN | 0 | 0% |
| Alaska | 63 | 7% |
United: base ~CAD 580 + fees CAD 70 = ~CAD 650 total. Delta Air Lines: base ~CAD 663 + fees CAD 45 = ~CAD 708 total.
United's CAD 70 ancillary fees narrow the gap with Delta Air Lines's lower-fee model — the CAD 83 base difference shrinks to CAD 58 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.United charges 1.6x more in ancillary fees than DL on this route. Compare total-cost options when booking.
Run your search to see itemized fees for your itineraryWhich airline is cheapest from Lihue, Kauai to Seattle?
8 airlines flew Lihue, Kauai to Seattle 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 CAD 446–929 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 (CAD) | Median (CAD) | Fees (CAD) |
|---|---|---|---|---|
 Alaska Airlines | 26 | 446–929 | 649 | 48 (7%) |
 ASHA | 54 | 448–963 | 650 | n/a |
 United | 5 | 628–654 | 650 | 70 (11%) |
 Delta Air Lines | 2 | 692–724 | 708 | 45 (6%) |
 American Airlines | 6 | 676–895 | 822 | 45 (5%) |
 Alaska | 1 | — | 964 | 63 (7%) |
 Southwest Airlines | 5 | 920–1141 | 1141 | 0 (0%) |
 United Airlines | 11 | 646–2960 | 1217 | 48 (4%) |
Where do the best Lihue, Kauai → Seattle 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: Lihue, Kauai to Seattle flights
- Full-service carriers on Lihue, Kauai–Seattle cost 0.7x more than budget airlines (CAD 809 vs CAD 1141 median; overall median CAD 676).
- United charges 1.6x more in ancillary fees than DL — CAD 70 vs CAD 45 avg per booking.
- The same route priced CAD 172 apart depending on where it was booked — the lowest median was CAD 650. 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 Lihue, Kauai to Seattle cost?
- Based on 110 offers analyzed, Lihue, Kauai to Seattle flights range from CAD 405 to CAD 2960, with a median price of CAD 676. Search for your specific dates →
- What hidden fees should I expect on Lihue, Kauai to Seattle flights?
- On average, ancillary fees (bags, seat selection) add CAD 45 to the base fare on Lihue, Kauai to Seattle flights. See itemized fees for your itinerary →
- Which airline is cheapest on Lihue, Kauai to Seattle including all fees?
- Alaska Airlines has the lowest median fare on Lihue, Kauai to Seattle at CAD 649 (median across 26 offers in our snapshot). Check which airline wins on your dates →
- Which booking site has the cheapest Lihue, Kauai–Seattle 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 CAD 650. Run a live search and we'll find the cheapest for you →
- Why do prices vary so much on Lihue, Kauai to Seattle routes?
- Lihue, Kauai to Seattle has 8 airlines competing, creating a price range from CAD 405 to CAD 2960 across 110 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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