Direct (non-stop) flights from SeaTac (SEA) to Chicago (ORD)
Find comprehensive flight information, schedules, and booking details for direct flights from SeaTac (SEA) to Chicago (ORD). This popular route is operated by 4 airlines, offering multiple daily departures.• Flight Duration: 3h 53m - 4h 27m (average flight time)• Distance: 1725 miles (2776 km) (air miles between airports)• Daily Flights: 10-14 flights (scheduled departures per day)
SeaTac (SEA)
Chicago (ORD)
FLIGHT TIME
3h 53m - 4h 27m
FLIGHT DISTANCE
1725 miles (2776 km)
4h 0m - 4h 14m
00:25
17:55
1725 miles (2776 km)
January
4 (Show)
104
Flight Schedule
December 2025
Airlines with direct flights from SeaTac (SEA) to Chicago (ORD)
Route Insights
Duration variability: Flight duration on this route can vary based on aircraft type, wind conditions, and airline scheduling. Average duration is 3h 53m - 4h 27m.
Pricing patterns: January typically offers lower prices due to reduced demand outside peak travel seasons.
Best departure times: Peak departure times are 0:00, 7:00, 10:00, offering more flight options and potentially better connections.
SeaTac (SEA) - Chicago (ORD) flight price statistics
$277
ApproximateThe numbers are average prices found based on user searches for direct flights between the airports. It's calculated from the cheapest prices found per month for a round-trip with 1 adult and can vary depending on the amount of data we have for this particular route.
$138
Jan$218
Feb$151
Mar$203
Apr$238
May$559
Jun$486
Jul$438
Aug$216
Sep$216
Oct$216
Nov$245
DecRelated Information
Airports: SEA • ORD Airport
Airlines operating this route: Alaska Airlines (AS), American Airlines, United Airlines, DL - Delta Air Lines
Frequently Asked Questions
How many flights operate from SEA to ORD?
There are 14 direct flights operating from SEA to ORD. Approximately 10-14 flights daily.
Which airlines operate flights from SEA to ORD?
4 airlines operate on this route: Alaska Airlines, American Airlines, United Airlines, Delta Air Lines.
How long is the flight from SEA to ORD?
The flight duration from SEA to ORD is approximately 3h 53m - 4h 27m.
What is the distance from SEA to ORD?
The distance from SEA to ORD is 1725 miles (2776 km).
What is the flight time range for this route?
Flight times on this route range from 4h 0m - 4h 14m.
What are the earliest and latest flight departure times?
The earliest flight departs at 00:25 and the latest flight departs at 17:55.
What is the cheapest month to fly from SEA to ORD?
January is typically the cheapest month to fly on this route.
How many flights operate per week on this route?
Approximately 104 flights operate per week from SEA to ORD.
What types of aircraft operate on this route?
This route is served by Boeing 737MAX 9 Passenger, Boeing 737-800 Passenger, Airbus A321neo, Airbus A220-300, Boeing 737-800 (winglets) Passenger/BBJ2 and 2 more aircraft types.
What is the average flight price from SEA to ORD?
The average flight price for a round-trip ticket from SEA to ORD is approximately $277 USD. Prices can vary based on booking time, season, and airline.
When is the best time to book flights from SEA to ORD for the lowest prices?
January is typically the cheapest month to fly from SEA to ORD. Booking in advance and avoiding peak travel seasons can help you find better deals.
How many airlines offer flights from SEA to ORD?
4 airlines offer direct flights from SEA to ORD, providing travelers with multiple options for scheduling and pricing.
How far is ORD from SEA?
The distance from SEA to ORD is 1725 miles (2776 km). This is a long-haul flight route.
How long does it take to fly from SEA to ORD?
The flight time from SEA to ORD is approximately 3h 53m - 4h 27m. Actual flight duration may vary based on weather conditions, aircraft type, and routing.