Seattle to Detroit (DTW): 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 |
|---|---|---|---|---|---|---|
| Detroit (DTW) | Sep 21–23, 2026 | 2 | $390 | $438 | 1 stop | Search for 1 adult · Dates · Travelers |
| Detroit (DTW) | Sep 24–27, 2026 | 3 | $407 | $454 | 1 stop | Search for 1 adult · Dates · Travelers |
| Detroit (DTW) | Sep 25–27, 2026 | 2 | $407 | $454 | 1 stop | Search for 1 adult · Dates · Travelers |
| Detroit (DTW) | Sep 25–28, 2026 | 3 | $407 | $454 | 1 stop | Search for 1 adult · Dates · Travelers |
| Detroit (DTW) | Sep 28–30, 2026 | 2 | $390 | $438 | 1 stop | Search for 1 adult · Dates · Travelers |
| Detroit (DTW) | Sep 29–Oct 6, 2026 | 7 | $262 | $294 | 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.
| Trip / travelers | Dates | Flights | Axel Member | Airline fare | Next step |
|---|---|---|---|---|---|
| SEA–DTW · 1 adult | Sep 21–23, 2026 · 2 days | Out: Frontier Airlines · 1 stop (DEN) · 20h 1m; Return: Frontier Airlines · 1 stop (DEN) · 11h 0m | $390 | $438 — round-trip total | Search for 1 adult · Change dates · Travelers / cabin |
| SEA–DTW · 1 adult | Sep 24–27, 2026 · 3 days | Out: Frontier Airlines · 1 stop (LAS) · 28h 10m; Return: Frontier Airlines · 1 stop (LAS) · 29h 27m | $407 | $454 — round-trip total | Search for 1 adult · Change dates · Travelers / cabin |
| SEA–DTW · 1 adult | Sep 24–27, 2026 · 3 days | Out: Frontier Airlines · 1 stop (LAS) · 28h 10m; Return: Frontier Airlines · 1 stop (DEN) · 11h 0m | $615 | $687 — round-trip total | Search for 1 adult · Change dates · Travelers / cabin |
| SEA–DTW · 1 adult | Sep 25–28, 2026 · 3 days | Out: Frontier Airlines · 1 stop (DEN) · 20h 1m; Return: Frontier Airlines · 1 stop (DEN) · 21h 33m | $407 | $454 — round-trip total | Search for 1 adult · Change dates · Travelers / cabin |
| SEA–DTW · 1 adult | Sep 25–28, 2026 · 3 days | Out: Frontier Airlines · 1 stop (DEN) · 20h 1m; Return: Frontier Airlines · 1 stop (DEN) · 11h 0m | $429 | $482 — round-trip total | Search for 1 adult · Change dates · Travelers / cabin |
| SEA–DTW · 1 adult | Sep 25–27, 2026 · 2 days | Out: Frontier Airlines · 1 stop (DEN) · 20h 1m; Return: Frontier Airlines · 1 stop (LAS) · 29h 27m | $407 | $454 — round-trip total | Search for 1 adult · Change dates · Travelers / cabin |
| SEA–DTW · 1 adult | Sep 25–27, 2026 · 2 days | Out: Frontier Airlines · 1 stop (DEN) · 20h 1m; Return: Frontier Airlines · 1 stop (DEN) · 11h 0m | $615 | $687 — round-trip total | Search for 1 adult · Change dates · Travelers / cabin |
| SEA–DTW · 1 adult | Sep 28–30, 2026 · 2 days | Out: Frontier Airlines · 1 stop (LAS) · 28h 10m; Return: Frontier Airlines · 1 stop (DEN) · 11h 0m | $390 | $438 — 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.
| Trip / travelers | Dates | Flights | Axel Member | Airline fare | Next step |
|---|---|---|---|---|---|
| SEA–DTW · 1 adult | Sep 21–23, 2026 · 2 days | Out: Delta Air Lines · Nonstop · 4h 17m | Round-trip starting total: $871 | Round-trip starting total: $977 — return selection pending | Search for 1 adult · Change dates · Travelers / cabin |
| SEA–DTW · 1 adult | Sep 24–27, 2026 · 3 days | Out: Delta Air Lines · Nonstop · 4h 17m | Round-trip starting total: $704 | Round-trip starting total: $787 — return selection pending | Search for 1 adult · Change dates · Travelers / cabin |
| SEA–DTW · 1 adult | Sep 25–28, 2026 · 3 days | Out: Delta Air Lines · Nonstop · 4h 17m | Round-trip starting total: $663 | Round-trip starting total: $737 — return selection pending | Search for 1 adult · Change dates · Travelers / cabin |
| SEA–DTW · 1 adult | Sep 25–27, 2026 · 2 days | Out: Delta Air Lines · Nonstop · 4h 17m | Round-trip starting total: $704 | Round-trip starting total: $787 — return selection pending | Search for 1 adult · Change dates · Travelers / cabin |
| SEA–DTW · 1 adult | Sep 28–30, 2026 · 2 days | Out: Delta Air Lines · Nonstop · 4h 17m | Round-trip starting total: $713 | Round-trip starting total: $792 — return selection pending | Search for 1 adult · Change dates · Travelers / cabin |
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More flight comparisons from Seattle
- Seattle to Detroit (DTW) flight deals
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- Seattle to Detroit (DTW): flights September 21–23, 2026
- Seattle to Detroit (DTW): flights September 24–27, 2026
- Seattle to Detroit (DTW): flights September 25–27, 2026
- Seattle to Detroit (DTW): flights September 25–28, 2026
- Seattle to Detroit (DTW): flights September 28–30, 2026
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