Seattle to Chicago O’Hare (ORD): September 2026 flight deals
Compare trip dates and fares.
Round-trip fare examples
Observed September 16, 2026 (UTC). Search a trip for current prices and flight details.
Round-trip totals in USD for 1 adult · Economy.
| Destination | Trip dates | Days | Axel Member | Airline fare | Stops | Search |
|---|---|---|---|---|---|---|
| Chicago (ORD) | Sep 21–23, 2026 | 2 | $348 | $388 | 1 stop | Search for 1 adult · Dates · Travelers |
| Chicago (ORD) | Sep 22–23, 2026 | 1 | $348 | $388 | 1 stop | Search for 1 adult · Dates · Travelers |
| Chicago (ORD) | Sep 24–27, 2026 | 3 | $348 | $388 | 1 stop | Search for 1 adult · Dates · Travelers |
| Chicago (ORD) | Sep 25–27, 2026 | 2 | $348 | $388 | 1 stop | Search for 1 adult · Dates · Travelers |
| Chicago (ORD) | Sep 25–28, 2026 | 3 | $348 | $388 | 1 stop | Search for 1 adult · Dates · Travelers |
| Chicago (ORD) | Sep 27–Oct 6, 2026 | 9 | $252 | $282 | 1 stop | Search for 1 adult · Dates · Travelers |
| Chicago (ORD) | Sep 28–30, 2026 | 2 | $348 | $388 | 1 stop | Search for 1 adult · Dates · Travelers |
Compare trip dates
Observed September 17, 2026 (UTC). Check current prices.
USD for the listed travelers.
1 adult · Complete round-trip totals · 2–4 days
Complete round-trip totals; both flights included.
2 days between departure and return.
| Trip / travelers | Dates | Flights | Axel Member | Airline fare | Next step |
|---|---|---|---|---|---|
| SEA–ORD · 1 adult | Sep 28–30, 2026 | Out: Frontier Airlines · 1 stop (LAS) · 7h 53m; Return: Frontier Airlines · 1 stop (DEN) · 10h 38m | $339 | $378 — round-trip total | Search for 1 adult · Change dates · Travelers / cabin |
1 adult · Round-trip starting totals · 2–4 days
Starting totals are for the round trip. Choose a return flight to confirm the final total.
2 days between departure and return.
| Trip / travelers | Dates | Flights | Axel Member | Airline fare | Next step |
|---|---|---|---|---|---|
| SEA–ORD · 1 adult | Sep 28–30, 2026 | Out: United Airlines · Nonstop · 4h 4m | Round-trip starting total: $437 | Round-trip starting total: $487 — return selection pending | Search for 1 adult · Change dates · Travelers / cabin |
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