Flights Spokane → Seattle
As of October 2026, economy flights from Spokane to Seattle have a typical range USD 159–504, median USD 298. Full range across all 73 offers: USD 139–817. We found 27% of 73 offers from budget carriers (around USD 283) and 73% from full-service carriers (around USD 324).
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: Spokane → Seattle
Based on 73 offers · October 2026. Prices and availability change — run a live search to confirm.
Bag & seat fees: Spokane → Seattle
Add-on pricing from the cheapest available offer per airline · October 2026 · USD
| Airline | Carry-on | Checked bag | Seat selection |
|---|---|---|---|
| Alaska Airlines | — | USD 35 | — |
| Delta | Included | USD 45 | — |
| Alaska | — | USD 45 | — |
| Southwest | — | 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 Spokane to Seattle cost?
Based on 73 offers · October 2026
Spokane to Seattle flights ranged from USD 139 to USD 817 across 73 offers analyzed in October 2026. Two fare clusters detected: budget fares around 309 and premium fares around 512 The chart below shows how prices distributed across all 73 offers.
These 73 offers (October 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 234 and USD 354
What hidden fees do Spokane to Seattle flights charge?
Ancillary fees — bags, seat selection, and payment surcharges — can add 10–25% to the base fare on Spokane to Seattle routes. The breakdown below is based on 73 offers analyzed in October 2026.
| Carrier | Avg fee (USD) | % of base fare |
|---|---|---|
| AS | 27 | 8% |
| DL | 33 | 12% |
| Alaska | 45 | 16% |
| Southwest | 51 | 18% |
Southwest: base ~USD 228 + fees USD 51 = ~USD 279 total. Alaska Airlines: base ~USD 297 + fees USD 27 = ~USD 324 total.
Southwest's USD 51 ancillary fees narrow the gap with Alaska Airlines's lower-fee model — the USD 69 base difference shrinks to USD 45 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 vary significantly across carriers on this route — some carriers charge 50%+ above the base fare in ancillary fees.
Run your search to see itemized fees for your itineraryWhich airline is cheapest from Spokane to Seattle?
4 airlines flew Spokane to Seattle in this dataset. The route shows a clear split between low-cost and full-service carriers. 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 (Delta Air Lines), fares ranged USD 159–406 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) |
|---|---|---|---|---|
 Delta Air Lines | 12 | 159–406 | 234 | 33 (14%) |
 Southwest | 2 | 275–283 | 279 | 51 (18%) |
 Alaska | 6 | 258–291 | 283 | 45 (16%) |
 Alaska Airlines | 53 | 159–504 | 324 | 27 (8%) |
Where do the best Spokane → Seattle 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: Spokane to Seattle flights
- Full-service carriers on Spokane–Seattle cost 1.0x more than budget airlines (USD 280 vs USD 279 median; overall median USD 298).
- Southwest charges 1.9x more in ancillary fees than AS — USD 51 vs USD 27 avg per booking.
- The same route priced USD 201 apart depending on where it was booked — the lowest median was USD 217. 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 Spokane to Seattle cost?
- Based on 73 offers analyzed, Spokane to Seattle flights range from USD 139 to USD 817, with a median price of USD 298. Search for your specific dates →
- What hidden fees should I expect on Spokane to Seattle flights?
- On average, ancillary fees (bags, seat selection) add USD 30 to the base fare on Spokane to Seattle flights. See itemized fees for your itinerary →
- Which airline is cheapest on Spokane to Seattle including all fees?
- Delta Air Lines has the lowest median fare on Spokane to Seattle at USD 234 (median across 12 offers in our snapshot). Check which airline wins on your dates →
- Which booking site has the cheapest Spokane–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 USD 217. Run a live search and we'll find the cheapest for you →
- Why do prices vary so much on Spokane to Seattle routes?
- Spokane to Seattle has 4 airlines competing, creating a price range from USD 139 to USD 817 across 73 offers. There are two distinct fare clusters on this route: budget options and premium fares. Find where your trip lands in the distribution →
4 airlines, two price clusters — find which fits your budget
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