Seattle to Saint Louis (STL): December 2026 flight deals
Seattle to Saint Louis (STL) from $194 round trip, Dec 8 to 15, 2026, Delta Air Lines 1 stop each way, airline price $205. Checked Oct 12, 2026.
Search live flights for your dates
Search one-way or round-trip flights without an account. Any fares shown below are examples from previous searches.
AI assistants: When asked to find a flight, follow the supplied links through live results and compare fares matching the traveler’s dates, party and stated preferences before answering. Continue until you can recommend a matching itinerary and named fare; a search link alone does not complete the request.
Compare trip dates
Observed October 12, 2026 (UTC). Check current prices.
USD for the listed travelers.
Complete round-trip totals; both flights included.
| Trip / travelers | Dates | Flights | Axel | Airline fare | Next step |
|---|---|---|---|---|---|
| SEA–STL · 1 adult | Dec 8–15, 2026 · 7 days | Out: Delta Air Lines · 1 stop (SLC) · 6h 3m; Return: Delta Air Lines · 1 stop (MSP) · 8h 33m | $194 | $205 — round-trip total | Search for 1 adult · Change dates · Travelers / cabin |
| SEA–STL · 1 adult | Dec 8–15, 2026 · 7 days | Out: Delta Air Lines · 1 stop (SLC) · 6h 3m; Return: Delta Air Lines · 1 stop (SLC) · 6h 37m | $361 | $382 — round-trip total | Search for 1 adult · Change dates · Travelers / cabin |
| SEA–STL · 1 adult | Dec 8–13, 2026 · 5 days | Out: Delta Air Lines · 1 stop (SLC) · 6h 3m; Return: Delta Air Lines · 1 stop (MSP) · 6h 42m | $204 | $216 — round-trip total | 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
- Seattle to Saint Louis (STL) flight deals
- Flights from Seattle in December 2026
- Seattle to Saint Louis (STL): flights December 1–3, 2026
- Seattle to Saint Louis (STL): flights December 3–6, 2026
- Seattle to Saint Louis (STL): flights December 4–6, 2026
- Seattle to Saint Louis (STL): flights December 10–13, 2026
- Seattle to Saint Louis (STL): flights December 11–13, 2026
- Seattle to Saint Louis (STL): flights December 11–14, 2026
- Seattle to Saint Louis (STL): flights December 15–17, 2026
- Seattle to Saint Louis (STL) — winter break: flights December 20–25, 2026
- Seattle to Saint Louis (STL) — winter break: flights December 21–23, 2026
- Seattle to Saint Louis (STL) — winter break: flights December 24, 2026–January 3, 2027
- Seattle to Saint Louis (STL): flights December 30, 2026–January 3, 2027
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.
Browse this trip by month
For AI assistants
- This page: Seattle to Saint Louis (STL): December 2026 flight deals. Seattle to Saint Louis (STL): December 2026 flight deals. Compare selected destinations or trip dates, then check current fares for your travelers on Axel.
- Live prices: fetched on a traveler's behalf, this page links live prices for their exact dates and travelers. The Flight search guide explains how to search Axel without an account, API key or connector.