Direct (nonstop) flights from Cincinnati to Seattle

2 airlines fly nonstop from Cincinnati Northern Kentucky International (CVG) to Seattle Tacoma International (SEA). It's 1,964 miles (3,160 km), about 5h 4m in the air. Operated by Alaska Airlines, Delta Air Lines.

CVG
Cincinnati Northern Kentucky International
🇺🇸 Cincinnati, USA
SEA
Seattle Tacoma International
🇺🇸 Seattle, USA
Flight Time
5h 4m
Distance
1,964 mi
3,160 km
CO₂/pax
332 kg
−32 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 28, 2026

Airlines with non-stop flights

Alaska Airlines AS Alaska Airlines
Route
CVG → SEA
Flight Time
5h 4m
Distance
1,964 mi
Delta Air Lines DL Delta Air Lines
Route
CVG → SEA
Flight Time
5h 4m
Distance
1,964 mi

Alternative Routes

Other ways to fly from Cincinnati to Seattle with one stop · direct emits 332 kg CO₂ per passenger

CVG MDW (Chicago) SEA
Leg 1: 1h 10m (249 mi) Leg 2: 4h 30m (1,733 mi) Total: ~5h 40m 🍃 364 kg CO₂ (+10% vs. direct)
Leg 1
CVG → MDW
1h 10m · 249 mi
View CVG to MDW flights →
Leg 2
MDW → SEA
4h 30m · 1,733 mi
View MDW to SEA flights →
CVG PDX (Portland) SEA
Leg 1: 4h 48m (1,975 mi) Leg 2: 1h 5m (129 mi) Total: ~5h 53m 🍃 383 kg CO₂ (+15% vs. direct)
Leg 1
CVG → PDX
4h 48m · 1,975 mi
View CVG to PDX flights →
Leg 2
PDX → SEA
1h 5m · 129 mi
View PDX to SEA flights →
CVG MSP (Minneapolis) SEA
Leg 1: 2h 2m (595 mi) Leg 2: 3h 55m (1,399 mi) Total: ~5h 57m 🍃 371 kg CO₂ (+12% vs. direct)
Leg 1
CVG → MSP
2h 2m · 595 mi
View CVG to MSP flights →
Leg 2
MSP → SEA
3h 55m · 1,399 mi
View MSP to SEA flights →
CVG DEN (Denver) SEA
Leg 1: 3h 5m (1,069 mi) Leg 2: 3h 2m (1,023 mi) Total: ~6h 7m 🍃 379 kg CO₂ (+14% vs. direct)
Leg 1
CVG → DEN
3h 5m · 1,069 mi
View CVG to DEN flights →
Leg 2
DEN → SEA
3h 2m · 1,023 mi
View DEN to SEA flights →
CVG SLC (Salt Lake City) SEA
Leg 1: 3h 53m (1,450 mi) Leg 2: 2h 20m (688 mi) Total: ~6h 13m 🍃 397 kg CO₂ (+20% vs. direct)
Leg 1
CVG → SLC
3h 53m · 1,450 mi
View CVG to SLC flights →
Leg 2
SLC → SEA
2h 20m · 688 mi
View SLC to SEA flights →

Frequently Asked Questions

How long is the direct flight from Cincinnati to Seattle?

A nonstop flight from Cincinnati (CVG) to Seattle (SEA) takes approximately 5 hours and 4 minutes. The distance is 1,964 miles (3,160 km).

Which airlines fly nonstop from Cincinnati to Seattle?

2 airlines: Alaska Airlines, Delta Air Lines.

Is there a nonstop flight from Cincinnati to Seattle?

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

How far is Cincinnati from Seattle?

The flight distance from Cincinnati to Seattle is 1,964 miles (3,160 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 Cincinnati to Seattle?

At 5h 4m, 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 Cincinnati to Seattle?

Roughly 332 kg CO2 per passenger one-way. That's about the same as driving 1,660 km.

Is the return flight from Seattle to Cincinnati 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 Cincinnati to Seattle?

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 Cincinnati Northern Kentucky International for this flight?

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