Cheap flights Seattle — Chicago (SEA — CHI)

Good to know - Cheap tickets Seattle — Chicago

Cheapest flight found $48
Minimal flight time 3h 14m
Flight distance 2789 km
Most popular airline United Express

Airfare Seattle – Chicago by month

Here you can find out in what months how much a ticket Seattle – Chicago costs to buy cheap plane tickets.

Month One-way Round-trip
May 2026
April 2026
January 2026
December 2025
November 2025
October 2025
September 2025
August 2025
July 2025
June 2025
May 2025
April 2025

Remember that the optimal time for booking air tickets is 59 days before the departure date, this is the average time at which air tickets were sold at the lowest prices.

Schedule of direct flights Seattle — Chicago

Departure Arrival Flight days Flight Airlines Flight time Airports
00:20 06:28 daily UA1832 United Express 4h 8m Seattle-Tacoma International Airport — O'Hare International Airport Select dates
00:59 07:03 daily AS328 Alaska Horizon 4h 4m Seattle-Tacoma International Airport — O'Hare International Airport Select dates
03:00 08:26 tue Cargolux 3h 26m Seattle-Tacoma International Airport — O'Hare International Airport Select dates
03:43 09:34 mon 8C3315 Air Transport International 3h 51m Seattle-Tacoma International Airport — Chicago Rockford International Airport Select dates
03:43 09:50 sat 8C3315 Air Transport International 4h 7m Seattle-Tacoma International Airport — Chicago Rockford International Airport Select dates
03:43 09:21 mon 8C3315 Air Transport International 3h 38m Seattle-Tacoma International Airport — Chicago Rockford International Airport Select dates
03:43 09:12 wed 8C3315 Air Transport International 3h 29m Seattle-Tacoma International Airport — Chicago Rockford International Airport Select dates
03:43 09:15 sat 8C3315 Air Transport International 3h 32m Seattle-Tacoma International Airport — Chicago Rockford International Airport Select dates
03:43 09:53 sat 8C3315 Air Transport International 4h 10m Seattle-Tacoma International Airport — Chicago Rockford International Airport Select dates
03:43 10:01 mon 8C3315 Air Transport International 4h 18m Seattle-Tacoma International Airport — Chicago Rockford International Airport Select dates
All routes

Sales of tickets from Seattle to Chicago in the last 48 hours

2025-09-22 one-way

2025-10-08 - 2025-10-15

Dynamics airfare Seattle — Chicago by month for the last year

according to LowCost.Club for the last year

The airfare depends on the departure date. Our chart shows the low season prices on route Seattle — Chicago

The graph shows that booking flights Seattle — Chicago is best planned for July and flights Seattle — Chicago — Seattle in the month of June.

Flights Seattle — Chicago

The selection of cheap flights Seattle — Chicago

Here you can find and purchase the cheapest flights Seattle — Chicago from $48 and Seattle — Chicago — Seattle from $57.

The price of the flight Seattle — Chicago (United States) — Seattle from $57 (round-trip).

The average price of the flight Seattle — Chicago (United States) — Seattle $238 (round-trip).

Low cost flights Seattle — Chicago (SEA — CHI)

Flying from Seattle to Chicago offers a practical and efficient travel option for both leisure and business travelers looking to connect two major American cities. Covering a distance of approximately 2,789 kilometers, the direct flight typically takes about 3 hours and 14 minutes, making it a convenient choice for a relatively quick coast-to-coast journey.

Seattle, known for its vibrant culture and position as a gateway to the Pacific Northwest, serves as the departure point from three main airports: Boeing Field, Kenmore Air Harbor Seaplane Base (SPB), and Seattle-Tacoma International Airport (SEA). Chicago, a bustling metropolis renowned for its architectural landmarks and rich history, has several arrival airports including O'Hare International Airport (ORD), Chicago Midway International Airport (MDW), Merrill C. Meigs Field, DuPage Airport, Chicago NAS, Palwaukee Municipal Airport, Chicago FSS, and Rockford Airport. This variety of airports provides flexibility depending on your travel needs and final destination within the Chicago area.

The Seattle to Chicago route is served by 43 airlines, with 10 major carriers offering direct flights. Among these, United Airlines, American Airlines, and Alaska Airlines are prominent, regularly operating non-stop services throughout the week. Other airlines providing direct connections include Cargolux, Air Transport International, Southwest Airlines, United Parcel Service, Delta Air Lines, Air Canada, and China Southern Airlines. This broad selection allows travelers to choose flights that best align with their preferred schedules and service preferences.

For those willing to consider flights with layovers, a diverse array of carriers provides connecting options. These include international and domestic airlines such as Aer Lingus, AeroMéxico, Air France, British Airways, Emirates, Lufthansa, Qatar Airways, Turkish Airlines, and Virgin Atlantic Airways among others. While flights with stops may increase total travel time, they can also offer cost savings and additional scheduling options.

When it comes to ticket prices, travelers can find economy fares starting as low as $48 for one-way tickets and $57 for round-trip journeys, making this route accessible to passengers with average income who plan their own trips without agency assistance. The average ticket price for a round trip stands around $238, though prices fluctuate depending on the season and availability. Data indicates that the busiest season for travel on this route tends to be September, while July generally offers the lowest prices for flight bookings.

Flights between Seattle and Chicago are available every day of the week, providing consistent opportunities to book travel that fits personal or business schedules. This daily frequency also supports last-minute travel plans or flexible itineraries.

Choosing a direct flight has distinct advantages if you prioritize minimizing travel time and simplifying the journey. However, connecting flights can sometimes offer more competitive pricing or suit travelers seeking to visit other cities en route. It is important to weigh these factors when planning your trip.

LowCost.Club offers a comprehensive search platform that compares prices across multiple airlines, including the major carriers operating direct and connecting flights on the Seattle-Chicago route. By accessing this tool, travelers can easily identify the best deals available at any given time. Additionally, the site frequently updates with promotions and special offers, helping travelers secure the lowest prices possible.

Planning your trip independently allows detailed control over your itinerary and potentially significant savings. Utilizing expert flight search services such as LowCost.Club ensures you have access to the full range of available flights, streamlining your booking process and enhancing your travel experience.

Explore the flight options from Seattle to Chicago today using our search function. Find the flight that best suits your schedule and budget, and secure your ticket at the most competitive price available. Start your journey now with LowCost.Club and enjoy seamless, affordable travel between these two dynamic cities.

Routes from nearby cities to Chicago

A flight from a neighbouring city can help you save money on plane tickets.

Most often, they fly to Chicago from Pasco, this is the closest city with an airport from Seattle. The cheapest ticket can be bought for a flight departing from Portland from $73.

Popular International routes from Seattle

Seattle — Shymkent

Seattle — Coimbatore

Seattle — Conakry

Popular routes from Chicago

If you are going to fly from Chicago, then study the popular flights. The most popular flights from Chicago:

Popular domestic routes from Seattle

FAQ about Seattle — Chicago

Yes, they do: UA1832, AS328, , 8C3315, WN2152, AS408, AA2922, WN2447, WN3893, 5X2987, WN2625, UA1502, UA2618, DL2055, AS890, AC7015, AA3334, AS429, UA2652, UA747, UA265, DL2299, WN1563, AS410, WN2531, AA2966, WN4035, AA3260, AA1525, UA2627, UA2665, AA2398, DL2108, AS941, UA1951, UA1340, DL8889, AS538, 5X987, 5X9301, DL8961, WN4463, WN1666

Yes, you can fly from Seattle to Chicago. Seattle has 3 airports (Boeing Field International Airport, Kenmore Air Harbor SPB, Seattle-Tacoma International Airport) for flights. United Express, Alaska Horizon, Cargolux, Air Transport International, Southwest Airlines, American Airlines, UPS, Delta Air Lines, Air Canada depart from Seattle on mon, tue, wed, thu, fri, sat, sun. There are non-direct flights through ABX Air, Aer Lingus, AeroLogic, Aeromexico, Air France, AirZeta, All Nippon Airways, Allegiant Air, AlphaSky, Asiana Airlines, Atlas Air, British Airways, China Airlines, China Cargo Airlines, DHL, Emirates, EVA Air, FedEx, Frontier (Flower the Hummingbird Livery), Icelandair, Japan Airlines, Jet Linx Aviation, JetBlue, KlasJet, Korean Air, Lufthansa, NetJets, Phoenix Air, Qatar Airways (25 Years of Excellence Sticker), SAS, SkyWest Airlines, Slate Aviation, Southern Airways Express, Spirit Airlines, Sun Country Airlines, TUI, Turkish Airlines, Virgin Atlantic, Volaris, WestJet.

A direct flight lasts an average of 3h 14m, during which time the aircraft covers a distance of 2789 km.

The price of flights Seattle — Chicago starts from $48.

Planes fly Seattle — Chicago 7 times a week on the following days: mon, tue, wed, thu, fri, sat, sun

In Seattle — Boeing Field International Airport, Kenmore Air Harbor SPB, Seattle-Tacoma International Airport. In Chicago — Merrill C Meigs, DuPage Airport, Chicago Midway International Airport, Chicago NAS, Chicago Executive Airport, Chicago FSS, Chicago Rockford International Airport, O'Hare International Airport.

The following flights fly between Seattle and Chicago: UA1832, AS328, 8C3315, 8C3315, 8C3315, 8C3315, 8C3315, 8C3315, 8C3315, 8C3315, 8C3315, 8C3315, WN2152, WN2152, AS408, AA2922, AA2922, WN2447, AA2922, WN3893, WN3893, 5X2987, WN2152, WN2625, UA1502, UA2618, UA2618, DL2055, DL2055, AS890, AS890, AC7015, AA3334, AA3334, AS429, WN3893, AS429, AS429, UA2652, UA747, UA265, DL2299, DL2299, DL2299, WN1563, AS410, WN2531, AA2966, WN2447, WN4035, AA3260, AA3260, AA3260, WN2625, AA1525, AS410, AS410, UA2627, UA2665, UA2665, AA2398, DL2108, AS941, AS941, AS941, UA1951, UA1340, DL8889, UA1340, DL2108, DL2108, AS538, AS538, DL2108, DL2108, 5X987, 5X987, 5X9301, DL8961, WN4463, WN1666, AS328, UA747, UA747

High season is considered to be September and the cheapest month is July. Enter your preferred airports (or cities) and dates into the search form above to unlock the latest Seattle — Chicago flight deals.

The following airlines have direct flights Seattle — Chicago: United Express, Alaska Horizon, Cargolux, Air Transport International, Southwest Airlines, American Airlines, UPS, Delta Air Lines, Air Canada.

All the following airlines flights Seattle — Chicago: ABX Air, Aer Lingus, AeroLogic, Aeromexico, Air Canada, Air France, Air Transport International, AirZeta, Alaska Horizon, All Nippon Airways, Allegiant Air, AlphaSky, American Airlines, Asiana Airlines, Atlas Air, British Airways, Cargolux, China Airlines, China Cargo Airlines, Delta Air Lines, DHL, Emirates, EVA Air, FedEx, Frontier (Flower the Hummingbird Livery), Icelandair, Japan Airlines, Jet Linx Aviation, JetBlue, KlasJet, Korean Air, Lufthansa, NetJets, Phoenix Air, Qatar Airways (25 Years of Excellence Sticker), SAS, SkyWest Airlines, Slate Aviation, Southern Airways Express, Southwest Airlines, Spirit Airlines, Sun Country Airlines, TUI, Turkish Airlines, United Express, UPS, Virgin Atlantic, Volaris, WestJet.

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