What percentage of Seattle to Chicago flights are direct?

In the trailing 90 days, approximately 45.4% of flights from Seattle to Chicago were direct. For flights that include stopovers, the median number of stopovers observed was 2. Travelers should consider these percentages when planning their journey.

What's the flight time from Seattle to Chicago?

The typical direct flight time from Seattle to Chicago is 4 hours and 12 minutes, covering a distance of 2782 kilometers. For flights with one stop, the median duration extends to 8 hours and 34 minutes. This represents a significant difference in travel time, with direct flights being considerably faster.

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

Yes, setting a price alert for Seattle to Chicago flights is recommended. Historically, this route is classified as one with frequent price changes. Travelers can benefit from monitoring price fluctuations to secure a more favorable fare.

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 1 day ago

462 airlines compared

80%+ AI score for best value

Fares are subject to change and may not be available for all dates. (Data last updated Sep 15, 2026.)

Today’s best flight deals from Seattle to Chicago

Explore current cheapest deals departing from Seattle to Chicago

2026-10-13 – 2026-10-20
SEA - Chicago
71% AI deal score
$224
$183
Round trip
2026-10-15 – 2026-10-16
SEA - Chicago
73% AI deal score
$236
$195
Round trip
2026-10-03 – 2026-10-04
SEA - Chicago
70% AI deal score
$181
$196
Round trip
2026-10-14 – 2026-10-19
SEA - Chicago
68% AI deal score
$173
$196
Round trip
2026-10-14 – 2026-10-16
SEA - Chicago
70% AI deal score
$178
$196
Round trip
2026-11-12 – 2026-11-16
SEA - Chicago
68% AI deal score
$189
$196
Round trip
2026-12-16 – 2026-12-19
SEA - Chicago
69% AI deal score
$194
$196
Round trip
2027-01-14 – 2027-01-19
SEA - Chicago
69% AI deal score
$179
$196
Round trip
2027-01-19 – 2027-01-25
SEA - Chicago
68% AI deal score
$176
$196
Round trip
2026-10-24 – 2026-10-27
SEA - Chicago
69% AI deal score
$175
$197
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 now may not be the optimal time to find cheap flights from Seattle to Chicago.

When considering the cheapest time to fly from Seattle to Chicago, you'll find that January stands out with a median fare of $198. Other favorable months include November, with a median fare of $222, and April, where the median fare is $248. These months offer more budget-friendly options compared to the overall typical fare.

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 once. For connecting flights, the median journey time is significantly longer, at 20h 9m, compared to the 4h 12m for non-stop flights.

The route from Seattle to Chicago covers a distance of 2782 km, classifying it as a medium-haul journey. This distance means you can expect a flight that is neither extremely short nor a long-distance international trip. New deals for this route appear almost daily, offering frequent opportunities to find suitable flights.

How much is a round trip from Seattle to Chicago

Regular price: $186 - $330

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

The regular price range for flights from Seattle to Chicago is typically between $186 and $330. The current lowest deal is $183 with Frontier Airlines for travel from Oct 13-Oct 20.

now $183

Low $186

High $330

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

Tue, Sep 15

⌛ Last-Minute

SEA - Chicago

Seattle (SEA) - Chicago (ORD)

Alaska Airlines, Inc.

$440

$420

One-way

Thu, Sep 17

⌛ Last-Minute

SEA - Chicago

Seattle (SEA) - Chicago (ORD)

Frontier Airlines

$417

$357

One-way

Thu, Sep 17

⌛ Last-Minute

SEA - Chicago

Seattle (SEA) - Chicago (ORD)

Frontier Airlines

$419

$386

One-way

Fri, Sep 18

⌛ Last-Minute

SEA - Chicago

Seattle (SEA) - Chicago (ORD)

Frontier Airlines

$417

$346

One-way

Fri, Sep 18

⌛ Last-Minute

SEA - Chicago

Seattle (SEA) - Chicago (ORD)

Frontier Airlines

$419

$386

One-way

Fri, Sep 18

⌛ Last-Minute

SEA - Chicago

Seattle (SEA) - Chicago (ORD)

Frontier Airlines

$424

$388

One-way

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

1 night

Sep 15 - Sep 16

$442 → $348

21%

2 nights

Sep 15 - Sep 17

$440 → $348

21%

4 nights

Sep 17 - Sep 21

$417 → $348

16%

4 nights

Sep 18 - Sep 22

$417 → $348

16%

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 at $424.

📅 Best time to fly

Fly in January for the lowest prices

Historically, January offers the lowest median prices at $198 for this route.

⏱️ Flight duration

Direct flights average 4h 12m

The typical direct flight duration from Seattle to Chicago is 4h 12m.

✈️ Airlines & availability

Mixed availability of direct flights

About 45.4% of recent flights on this route are direct, with mixed availability.

🏆 Airline highlight

Frontier Airlines offers a recent deal

A recent deal from Frontier Airlines was found for $183.

🎯 Booking tip

Deals appear frequently

Deals for flights from Seattle to Chicago appear frequently, so check often.

Seattle main airports to depart from

Seattle–Tacoma International (SEA)

Cheapest

Seattle–Tacoma International Airport is a good option for flights from Seattle to Chicago.

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

💸 Flights from ~$238

Boeing Field (BFI)

Boeing Field is an alternative departure airport for your trip from Seattle to Chicago.

📍 ~9 km from city center (reachable by car)

💸 Flights from ~$624

Kenmore Air Harbor Seaplane Base (LKE)

Kenmore Air Harbor Seaplane Base is another choice for flights from Seattle to Chicago.

📍 ~3 km from city center (reachable by car)

💸 Flights from ~$817

Chicago main airports to arrive at

O Hare International (ORD)

Cheapest

O'Hare International Airport is a major hub for flights to Chicago, offering many connections from Seattle.

📍 ~25 km from Chicago city center (reachable by car)

💸 Flights from ~$238

Airports nearby Chicago used as alternative

General Mitchell International (MKE)

General Mitchell International is a major international airport with significant carrier presence and direct flight options.

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

💸 Flights from ~$327

Business & First Class Flight Deals to Chicago

80% AI deal score

$1,033

$722

Save $311

Frequently Asked Questions About Flights to Chicago

Historically, the optimal booking window for flights from Seattle to Chicago is typically 7-13 days before departure. During this period, the average price observed was $341. Booking within 0-6 days of departure generally sees a higher average price of $549. For travelers planning further ahead, prices tend to be around $480 for bookings made 14-27 days out, and $525 for those made 28-59 days in advance.

Across the trailing quarter, a good price for a flight from Seattle to Chicago is considered to be around $250 or less. The median price for this route during the same period was $374. Prices can range significantly, with 75% of observed fares being $743 or less.

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. April is another relatively inexpensive option, showing a median price of $248. The annual median price for this route is $374.

Seattle to Chicago: Overview

Insights for flights from Seattle to Chicago

How much is a round trip from Seattle to Chicago

Regular price: $186 - $330

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

The regular price range for flights from Seattle to Chicago is typically between $186 and $330. The current lowest deal is $183 with Frontier Airlines for travel from Oct 13-Oct 20.

now $183

Low $186

High $330

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