Direct (nonstop) flights from Seattle to Detroit

2 airlines fly nonstop from Seattle Tacoma International (SEA) to Detroit Metropolitan Airport (DTW). It's 1,926 miles (3,100 km), about 4h 22m in the air. Operated by Alaska Airlines, Delta Air Lines.

SEA
Seattle Tacoma International
🇺🇸 Seattle, USA
DTW
Detroit Metropolitan Airport
🇺🇸 Detroit, USA
Flight Time
4h 22m
Distance
1,926 mi
3,100 km
CO₂/pax
326 kg
−36 kg vs. layover
Airlines
2
Alaska Airlines +1
Time Diff
+3h
Operated by Alaska Airlines Alaska Airlines Delta Air Lines Delta Air Lines

Route data last updated: May 29, 2026

Airlines with non-stop flights

Alaska Airlines AS Alaska Airlines
Route
SEA → DTW
Flight Time
4h 22m
Distance
1,926 mi
Delta Air Lines DL Delta Air Lines
Route
SEA → DTW
Flight Time
4h 22m
Distance
1,926 mi

Alternative Routes

Other ways to fly from Seattle to Detroit with one stop · direct emits 326 kg CO₂ per passenger

SEA BZN (Bozeman) DTW
Leg 1: 1h 42m (542 mi) Leg 2: 3h 19m (1,400 mi) Total: ~5h 1m 🍃 362 kg CO₂ (+11% vs. direct)
Leg 1
SEA → BZN
1h 42m · 542 mi
View SEA to BZN flights →
Leg 2
BZN → DTW
3h 19m · 1,400 mi
View BZN to DTW flights →
SEA MDW (Chicago) DTW
Leg 1: 3h 55m (1,733 mi) Leg 2: 1h 10m (227 mi) Total: ~5h 5m 🍃 360 kg CO₂ (+10% vs. direct)
Leg 1
SEA → MDW
3h 55m · 1,733 mi
View SEA to MDW flights →
Leg 2
MDW → DTW
1h 10m · 227 mi
View MDW to DTW flights →
SEA MSP (Minneapolis) DTW
Leg 1: 3h 22m (1,399 mi) Leg 2: 1h 44m (528 mi) Total: ~5h 6m 🍃 359 kg CO₂ (+10% vs. direct)
Leg 1
SEA → MSP
3h 22m · 1,399 mi
View SEA to MSP flights →
Leg 2
MSP → DTW
1h 44m · 528 mi
View MSP to DTW flights →
SEA MKE (Milwaukee) DTW
Leg 1: 3h 57m (1,693 mi) Leg 2: 1h 12m (237 mi) Total: ~5h 9m 🍃 355 kg CO₂ (+9% vs. direct)
Leg 1
SEA → MKE
3h 57m · 1,693 mi
View SEA to MKE flights →
Leg 2
MKE → DTW
1h 12m · 237 mi
View MKE to DTW flights →
SEA PDX (Portland) DTW
Leg 1: 1h 1m (129 mi) Leg 2: 4h 17m (1,952 mi) Total: ~5h 18m 🍃 379 kg CO₂ (+16% vs. direct)
Leg 1
SEA → PDX
1h 1m · 129 mi
View SEA to PDX flights →
Leg 2
PDX → DTW
4h 17m · 1,952 mi
View PDX to DTW flights →

Looking for the return flight?

DTW → SEA: Flights from Detroit to Seattle

Frequently Asked Questions

How long is the direct flight from Seattle to Detroit?

A nonstop flight from Seattle (SEA) to Detroit (DTW) takes approximately 4 hours and 22 minutes. The distance is 1,926 miles (3,100 km).

Which airlines fly nonstop from Seattle to Detroit?

2 airlines: Alaska Airlines, Delta Air Lines.

Is there a nonstop flight from Seattle to Detroit?

Yes. 2 airlines: Alaska Airlines, Delta Air Lines.

How far is Seattle from Detroit?

The flight distance from Seattle to Detroit is 1,926 miles (3,100 km), measured as the great-circle (shortest air) distance. That's roughly the same distance as New York to Los Angeles.

What type of aircraft flies from Seattle to Detroit?

At 4h 22m, this route typically uses narrow-body or mid-range jets — Boeing 737 MAX or Airbus A320neo. Varies by airline.

What is the carbon footprint of a flight from Seattle to Detroit?

Roughly 326 kg CO2 per passenger one-way. That's about the same as driving 1,630 km.

Is the return flight from Detroit to Seattle also nonstop?

Yes — nonstop flights run both ways. Flight time may differ slightly due to wind patterns.

When is the cheapest time to fly from Seattle to Detroit?

Midweek flights (Tue/Wed) outside holiday peaks are usually cheapest. 3-6 weeks ahead is a good window for this route. Use "Check Prices" above to compare.

How early should I arrive at Seattle Tacoma International for this flight?

1.5-2 hours for domestic. Add more time during holidays or busy travel weekends.