What percentage of Seattle to Chicago flights are direct?

In the trailing 90 days, approximately 45.4% of flights from Seattle to Chicago have been direct. For flights that include one or more stops, travelers typically experience a median of 2 stopovers. This indicates that while direct options are available, a notable portion of routes involve connections.

What's the flight time from Seattle to Chicago?

The typical direct flight from Seattle to Chicago has a median duration of 4 hours and 12 minutes. This route covers an approximate distance of 2782 kilometers. For flights with one stop, the median travel time increases significantly to about 8 hours and 34 minutes, reflecting the additional time for layovers.

Should I set a price alert for Seattle to Chicago flights?

Historically, deals for flights from Seattle to Chicago have been frequent. This suggests that price fluctuations are common on this route. Setting a price alert could be beneficial to capture favorable fares as they become available, given the historical frequency of price changes over a 30-day period.

Flights From Seattle

To Chicago

Cheap Flights from Seattle to Chicago

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Deals from

Seattle

RatePunk searches hundreds of travel sites at once for deals on flights to Chicago

Prices updated 2 days ago

405 airlines compared

80%+ AI score for best value

Fares are subject to change and may not be available for all dates. (Data last updated Jul 26, 2026.)

Today’s best flight deals from Seattle to Chicago

Explore current cheapest deals departing from Seattle to Chicago

2026-11-10 – 2026-11-13
SEA - Chicago
69% AI deal score
$248
$216
Round trip
2026-09-17 – 2026-09-23
SEA - Chicago
71% AI deal score
$277
$225
Round trip
2026-08-24 – 2026-08-29
SEA - Chicago
68% AI deal score
$255
$230
Round trip
2026-08-24 – 2026-08-26
SEA - Chicago
69% AI deal score
$265
$230
Round trip
2026-08-21 – 2026-08-26
SEA - Chicago
68% AI deal score
$255
$231
Round trip
2026-08-21 – 2026-08-29
SEA - Chicago
66% AI deal score
$235
$231
Round trip
2026-09-02 – 2026-09-12
SEA - Chicago
68% AI deal score
$253
$234
Round trip
2026-10-14 – 2026-11-13
SEA - Chicago
66% AI deal score
$239
$239
Round trip
2026-10-13 – 2026-10-27
SEA - Chicago
66% AI deal score
$156
$241
Round trip
2026-11-03 – 2026-11-17
SEA - Chicago
66% AI deal score
$164
$241
Round trip

Seattle to Chicago: Overview

Insights for flights from Seattle to Chicago

Right now, only 1% of recent fares from Seattle to Chicago are classified as a good price. Fares for this route typically range from $250–$743, with a median of $374. Current fares are significantly above the typical level, suggesting that prices are higher than usual.

When looking for cheap flights from Seattle to Chicago, the data indicates that January is typically the most affordable month, with a median fare of $198. Following closely, November also offers lower prices, with a median of $222. April is another good option for budget-conscious travelers, showing a median fare of $248.

A typical journey from Seattle to Chicago takes about 4h 12m, including connections. While a meaningful share of itineraries are non-stop, the rest connect at least once. For itineraries that include connections, the median number of stopovers is 2.

The distance between Seattle and Chicago is approximately 2,782 kilometers. This classifies the route as a medium-haul flight, meaning you can expect a journey of several hours.

How much is a round trip from Seattle to Chicago

Regular price: $231 - $380

Prices for flights from Seattle to Chicago are currently below the regular range.

The regular price range for this route is $231 to $380. The current lowest deal is $225 with Frontier Airlines, for travel from Sep 17-Sep 23.

now $225

Low $231

High $380

The cheapest time to fly from Seattle to Chicago

The cheapest month to fly from Seattle to Chicago is January, with a median price of $203. The most expensive month is February, with a median price of $906. Prices are generally lower from January to November.

January

Cheapest

Flights from $203

February

Most Expensive

Flights from $906

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Direct flights from Seattle to Chicago

Alaska Airlines, Inc.

Southwest Airlines

Last-minute flights going from Seattle to Chicago

Mon, Jul 27

⌛ Last-Minute

SEA - Chicago

Seattle (SEA) - Chicago (ORD)

Frontier Airlines

$366

$344

One-way

Sat, Aug 1

⌛ Last-Minute

SEA - Chicago

Seattle (SEA) - Chicago (ORD)

Alaska Airlines, Inc.

$422

$432

One-way

Tue, Aug 4

⌛ Last-Minute

SEA - Chicago

Seattle (SEA) - Chicago (ORD)

Frontier Airlines

$322

$305

One-way

Fri, Aug 7

⌛ Last-Minute

SEA - Chicago

Seattle (SEA) - Chicago (MDW)

Southwest Airlines

$349

$357

One-way

Sat, Aug 8

⌛ Last-Minute

PAE - Chicago

Everett (PAE) - Chicago (ORD)

Alaska Airlines, Inc.

$477

$418

One-way

Wed, Aug 12

⌛ Last-Minute

SEA - Chicago

Seattle (SEA) - Chicago (ORD)

Alaska Airlines, Inc.

$170

$242

One-way

Biggest price drops on these dates for flights from Seattle to Chicago

4 nights

Aug 15 - Aug 19

$428 → $286

33%

7 nights

Aug 15 - Aug 22

$394 → $286

27%

5 nights

Aug 13 - Aug 18

$410 → $307

25%

2 nights

Aug 8 - Aug 10

$477 → $418

12%

Popular Airports to fly from Seattle to Chicago

Seattle - Chicago route insights

💸 Price insights

Recent fares are above the typical level.

Recent fares for Seattle to Chicago are above the typical level, with a median price of $374.

📅 Best time to fly

January is historically the cheapest month to fly.

Historically, January is the cheapest month to fly from Seattle to Chicago, with a median price of $198.

⏱️ Flight duration

Direct flights average 4h 12m.

Direct flights from Seattle to Chicago typically take 4h 12m, while connecting flights average 20h 9m.

✈️ Airlines & availability

45.4% of recent flights are direct.

Historically, 45.4% of flights from Seattle to Chicago are direct, with a median of 2 stopovers when connecting.

🏆 Airline highlight

Frontier Airlines offers a recent deal for $225.

A recent deal on Frontier Airlines from Seattle to Chicago Rockford International was found for $225.

🎯 Booking tip

Deals are frequent on this route.

Deals for flights from Seattle to Chicago are frequent, appearing within a 30-day window.

Seattle main airports to depart from

Seattle–Tacoma International (SEA)

Cheapest

Seattle–Tacoma International Airport (SEA) is a primary departure point for flights from Seattle to Chicago.

📍 ~18 km from Seattle city center (reachable by car or train)

💸 Flights from ~$185

Chicago main airports to arrive at

O Hare International (ORD)

Cheapest

O'Hare International Airport is a major hub, offering extensive connections for your trip to Chicago.

📍 ~25 km from Chicago city center (reachable by car, train, and bus).

💸 Flights from ~$225

Airports nearby Chicago used as alternative

General Mitchell International (MKE)

General Mitchell International offers significant carrier presence and direct flight options for Chicago travelers.

📍 ~135 km from Chicago (reachable by train or car)

💸 Flights from ~$279

Business & First Class Flight Deals to Chicago

86% AI deal score

$1,480

$857

Save $623

Frequently Asked Questions About Flights to Chicago

Historically, the optimal time to book flights from Seattle to Chicago is typically 7-13 days before departure. During this period, the average price for a flight has been observed at approximately $341. Booking within 0-6 days of departure generally sees prices rise to about $549. Conversely, booking 60+ days out has historically resulted in an average price of around $487, indicating that last-minute deals can be more favorable than very early bookings for this route.

Across the trailing quarter, a flight from Seattle to Chicago is considered a good price at or below $250. The median price for this route during the same period was $374. Prices can vary, with 75% of fares historically observed at $743 or less over a 90-day window.

Historically, January has been the cheapest month to fly from Seattle to Chicago, with a median price of $198. November also offers competitive fares, with a median price of $222. The annual median price for this route is $374, indicating that certain months offer significant savings compared to the yearly average.

Seattle to Chicago: Overview

Insights for flights from Seattle to Chicago

The distance between Seattle and Chicago is approximately 2,782 kilometers. This classifies the route as a medium-haul flight, meaning you can expect a journey of several hours.

How much is a round trip from Seattle to Chicago

Regular price: $231 - $380

Prices for flights from Seattle to Chicago are currently below the regular range.

The regular price range for this route is $231 to $380. The current lowest deal is $225 with Frontier Airlines, for travel from Sep 17-Sep 23.

now $225

Low $231

High $380

The cheapest time to fly from Seattle to Chicago

January

Cheapest

Flights from $203

February

Most Expensive

Flights from $906

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec