Chicago (ORD) → Seattle (SEA)
About Chicago to Seattle Flights
Discover the best flights from Chicago to Seattle, covering 2,762 km in approximately 3h 57m. Chicago (ORD) to Seattle (SEA) is one of the popular medium-haul routes within United States. With 6 major airlines operating this route including direct flights, travelers have plenty of options to choose from. Whether you're traveling for business or leisure, our comprehensive guide helps you find the best deals, understand seasonal price variations, and choose the right airline for your journey from Chicago to Seattle.
12-Month Price History
Flight prices from Chicago to Seattle vary significantly throughout the year. February typically offers the best deals with average prices around $436, while July sees the highest prices, averaging $729. Savvy travelers can save up to 40% by choosing their travel dates wisely.
Best Time to Fly
Cheapest Month
February
Save up to 40% on average
Most Expensive
July
Peak season pricing
Book in Advance
40 days
For best prices
Booking Tips
For the best prices on Chicago to Seattle flights, we recommend booking 53 days in advance. Domestic flights typically see price increases as the departure date approaches, so early booking is advisable. Tuesday and Wednesday departures often offer the lowest fares, while Friday and Sunday flights tend to be more expensive due to business and leisure travel demand. Consider flying early morning or late evening for additional savings, as these off-peak times usually have lower demand.
Airlines Serving This Route
| Airline | Economy | Business | First |
|---|---|---|---|
SkyWest Airlines OO | $650 | $2120 | $4090 |
American Airlines AA | $660 | $2260 | $3830 |
Kalitta Air K4 | $690 | $2380 | $3640 |
United Airlines UA | $690 | $2310 | $3860 |
Alaska Airlines AS | $700 | $2560 | $3760 |
Delta Air Lines DL | $800 | $2390 | $3630 |
SkyWest Airlines
OO
Economy
$650
Business
$2120
First
$4090
American Airlines
AA
Economy
$660
Business
$2260
First
$3830
Kalitta Air
K4
Economy
$690
Business
$2380
First
$3640
United Airlines
UA
Economy
$690
Business
$2310
First
$3860
Alaska Airlines
AS
Economy
$700
Business
$2560
First
$3760
Delta Air Lines
DL
Economy
$800
Business
$2390
First
$3630
Prices shown are estimates based on historical data. Actual prices may vary based on dates, availability, and current promotions.
Alternative Flight Options
Milwaukee → Seattle
Milwaukee Mitchell International (MKE) to Seattle-Tacoma International (SEA)
Distance: 2,719 km
Average price: $508
Chicago → Seattle
Chicago Midway International (MDW) to Seattle-Tacoma International (SEA)
Distance: 2,782 km
Average price: $517
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Frequently Asked Questions
How long is the flight from Chicago to Seattle?
The flight time from Chicago (ORD) to Seattle (SEA) is approximately 3 hours and 57 minutes. This duration is for direct flights and may vary depending on aircraft type, weather conditions, and air traffic.
What is the distance between Chicago and Seattle?
The aerial distance between Chicago and Seattle is 2,762 kilometers (1,716 miles). This is the straight-line distance, which is used to calculate flight times.
Which airlines fly from Chicago to Seattle?
Several airlines operate flights between Chicago and Seattle, including American Airlines, Delta Air Lines, United Airlines and 3 more airlines. Direct flights are available on this route.
What is the cheapest month to fly from Chicago to Seattle?
Based on historical data, February typically offers the lowest airfares for flights from Chicago to Seattle. However, prices can vary based on holidays, events, and airline promotions. We recommend checking our price calendar for the most up-to-date information.
How far in advance should I book my flight to Seattle?
For the best prices on Chicago to Seattle flights, we recommend booking 68 days in advance. Domestic flights can sometimes offer good last-minute deals, but advance booking is usually cheaper.
Do I need a visa to travel from Chicago to Seattle?
Visa requirements depend on your nationality and the purpose of your visit. Since this is a domestic flight, no visa is required for citizens.
What is the time difference between Chicago and Seattle?
Chicago operates on America/Chicago time zone, while Seattle is in the America/Los_Angeles time zone. For current time differences and to plan your schedule, visit our partner site timezig.com for accurate timezone conversions.