Direct (nonstop) flights from Austin to Seattle

3 airlines fly nonstop from Austin-Bergstrom International Airport (AUS) to Seattle Tacoma International (SEA). It's 1,769 miles (2,847 km), about 4h 39m in the air. Operated by Alaska Airlines, Delta Air Lines, Southwest Airlines.

AUS
Austin-Bergstrom International Airport
🇺🇸 Austin, USA
SEA
Seattle Tacoma International
🇺🇸 Seattle, USA
Flight Time
4h 39m
Distance
1,769 mi
2,847 km
CO₂/pax
299 kg
−40 kg vs. layover
Airlines
3
Alaska Airlines +2
Time Diff
-2h
Operated by Alaska Airlines Alaska Airlines Delta Air Lines Delta Air Lines Southwest Airlines Southwest Airlines

Route data last updated: May 27, 2026

Airlines with non-stop flights

Alaska Airlines AS Alaska Airlines
Route
AUS → SEA
Flight Time
4h 39m
Distance
1,769 mi
Delta Air Lines DL Delta Air Lines
Route
AUS → SEA
Flight Time
4h 39m
Distance
1,769 mi
Southwest Airlines WN Southwest Airlines
Route
AUS → SEA
Flight Time
4h 39m
Distance
1,769 mi

Alternative Routes

Other ways to fly from Austin to Seattle with one stop · direct emits 299 kg CO₂ per passenger

AUS ABQ (Albuquerque) SEA
Leg 1: 1h 55m (619 mi) Leg 2: 3h 18m (1,178 mi) Total: ~5h 13m 🍃 339 kg CO₂ (+13% vs. direct)
Leg 1
AUS → ABQ
1h 55m · 619 mi
View AUS to ABQ flights →
Leg 2
ABQ → SEA
3h 18m · 1,178 mi
View ABQ to SEA flights →
AUS BZN (Bozeman) SEA
Leg 1: 3h 15m (1,298 mi) Leg 2: 2h 1m (542 mi) Total: ~5h 16m 🍃 344 kg CO₂ (+15% vs. direct)
Leg 1
AUS → BZN
3h 15m · 1,298 mi
View AUS to BZN flights →
Leg 2
BZN → SEA
2h 1m · 542 mi
View BZN to SEA flights →
AUS DAL (Dallas) SEA
Leg 1: 1h 5m (188 mi) Leg 2: 4h 15m (1,669 mi) Total: ~5h 20m 🍃 342 kg CO₂ (+14% vs. direct)
Leg 1
AUS → DAL
1h 5m · 188 mi
View AUS to DAL flights →
Leg 2
DAL → SEA
4h 15m · 1,669 mi
View DAL to SEA flights →
AUS SLC (Salt Lake City) SEA
Leg 1: 3h 3m (1,085 mi) Leg 2: 2h 20m (688 mi) Total: ~5h 23m 🍃 335 kg CO₂ (+12% vs. direct)
Leg 1
AUS → SLC
3h 3m · 1,085 mi
View AUS to SLC flights →
Leg 2
SLC → SEA
2h 20m · 688 mi
View SLC to SEA flights →
AUS DEN (Denver) SEA
Leg 1: 2h 22m (774 mi) Leg 2: 3h 2m (1,023 mi) Total: ~5h 24m 🍃 341 kg CO₂ (+14% vs. direct)
Leg 1
AUS → DEN
2h 22m · 774 mi
View AUS to DEN flights →
Leg 2
DEN → SEA
3h 2m · 1,023 mi
View DEN to SEA flights →

Looking for the return flight?

SEA → AUS: Flights from Seattle to Austin

Frequently Asked Questions

How long is the direct flight from Austin to Seattle?

A nonstop flight from Austin (AUS) to Seattle (SEA) takes approximately 4 hours and 39 minutes. The distance is 1,769 miles (2,847 km).

Which airlines fly nonstop from Austin to Seattle?

3 airlines: Alaska Airlines, Delta Air Lines, Southwest Airlines.

Is there a nonstop flight from Austin to Seattle?

Yes. 3 airlines: Alaska Airlines, Delta Air Lines, Southwest Airlines.

How far is Austin from Seattle?

The flight distance from Austin to Seattle is 1,769 miles (2,847 km), measured as the great-circle (shortest air) distance.

What type of aircraft flies from Austin to Seattle?

At 4h 39m, 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 Austin to Seattle?

Roughly 299 kg CO2 per passenger one-way. That's about the same as driving 1,495 km.

Is the return flight from Seattle to Austin 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 Austin 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 Austin-Bergstrom International Airport for this flight?

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