Seattle to Saint Louis (STL): October 2026 flight deals
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Observed October 11, 2026 (UTC). Check current prices.
USD for the listed travelers.
Starting totals are for the round trip. Choose a return flight to confirm the final total.
7 days between departure and return.
| Trip / travelers | Dates | Flights | Axel | Airline fare | Next step |
|---|---|---|---|---|---|
| SEA–STL · 1 adult | Oct 25–Nov 1, 2026 | Out: Southwest Airlines · 1 stop (MDW) · 7h 15m | Round-trip starting total: $392 | Round-trip starting total: $414 — return selection pending | Search for 1 adult · Change dates · Travelers / cabin |
| SEA–STL · 1 adult | Oct 25–Nov 1, 2026 | Out: Alaska Airlines · Nonstop · 3h 56m | Round-trip starting total: $488 | Round-trip starting total: $516 — return selection pending | Search for 1 adult · Change dates · Travelers / cabin |
| SEA–STL · 1 adult | Oct 26–Nov 2, 2026 | Out: Delta Air Lines · 1 stop (MSP) · 7h 3m | Round-trip starting total: $224 | Round-trip starting total: $237 — return selection pending | Search for 1 adult · Change dates · Travelers / cabin |
| SEA–STL · 1 adult | Oct 26–Nov 2, 2026 | Out: Alaska Airlines · Nonstop · 3h 56m | Round-trip starting total: $388 | Round-trip starting total: $409 — return selection pending | Search for 1 adult · Change dates · Travelers / cabin |
| SEA–STL · 1 adult | Oct 29–Nov 5, 2026 | Out: Delta Air Lines · 1 stop (SLC) · 6h 2m | Round-trip starting total: $224 | Round-trip starting total: $237 — return selection pending | Search for 1 adult · Change dates · Travelers / cabin |
| SEA–STL · 1 adult | Oct 29–Nov 5, 2026 | Out: Alaska Airlines · Nonstop · 3h 56m | Round-trip starting total: $388 | Round-trip starting total: $409 — return selection pending | Search for 1 adult · Change dates · Travelers / cabin |
The prices shown are what a free account pays, and most travelers book that way. Membership is optional and takes the same flights lower. Live search shows the same free-account price.
More flight comparisons from Seattle
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Hotels in St. Louis with Axel
Axel books the hotel too, at private rates shown beside the public rate for the same stay. Hotels in St. Louis has the best recent deals, and a flight booked with Axel can make the hotel cheaper through the bundle.
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