Cheap Flights from Seattle to Chicago from 149 €

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Flight deals from Seattle to Chicago

Looking for a cheap last-minute deal or the best return flight from Seattle to Chicago? Find the lowest prices on one-way and return tickets right here.

Chicago.149 € per passenger.Departing Sat, 26 Apr, returning Sat, 3 May.Return flight with Hawaiian Airlines.Outbound direct flight with Hawaiian Airlines departs from Seattle / Tacoma International on Sat, 26 Apr, arriving in Chicago O'Hare International.Inbound direct flight with Hawaiian Airlines departs from Chicago O'Hare International on Sat, 3 May, arriving in Seattle / Tacoma International.Price includes taxes and charges.From 149 €, select.

Chicago.153 € per passenger.Departing Sat, 27 Sep, returning Sat, 4 Oct.Return flight with Hawaiian Airlines.Outbound direct flight with Hawaiian Airlines departs from Seattle / Tacoma International on Sat, 27 Sep, arriving in Chicago O'Hare International.Inbound direct flight with Hawaiian Airlines departs from Chicago O'Hare International on Sat, 4 Oct, arriving in Seattle / Tacoma International.Price includes taxes and charges.From 153 €, select.

Chicago.153 € per passenger.Departing Wed, 3 Sep, returning Wed, 10 Sep.Return flight with Hawaiian Airlines.Outbound direct flight with Hawaiian Airlines departs from Seattle / Tacoma International on Wed, 3 Sep, arriving in Chicago O'Hare International.Inbound direct flight with Hawaiian Airlines departs from Chicago O'Hare International on Wed, 10 Sep, arriving in Seattle / Tacoma International.Price includes taxes and charges.From 153 €, select.

Chicago.153 € per passenger.Departing Wed, 5 Nov, returning Wed, 12 Nov.Return flight with Hawaiian Airlines.Outbound direct flight with Hawaiian Airlines departs from Seattle / Tacoma International on Wed, 5 Nov, arriving in Chicago O'Hare International.Inbound direct flight with Hawaiian Airlines departs from Chicago O'Hare International on Wed, 12 Nov, arriving in Seattle / Tacoma International.Price includes taxes and charges.From 153 €, select.

Chicago.153 € per passenger.Departing Wed, 1 Oct, returning Tue, 7 Oct.Return flight with Hawaiian Airlines.Outbound direct flight with Hawaiian Airlines departs from Seattle / Tacoma International on Wed, 1 Oct, arriving in Chicago O'Hare International.Inbound direct flight with Hawaiian Airlines departs from Chicago O'Hare International on Tue, 7 Oct, arriving in Seattle / Tacoma International.Price includes taxes and charges.From 153 €, select.

Chicago.155 € per passenger.Departing Wed, 7 May, returning Tue, 13 May.Return flight with Hawaiian Airlines.Outbound direct flight with Hawaiian Airlines departs from Seattle / Tacoma International on Wed, 7 May, arriving in Chicago O'Hare International.Inbound direct flight with Hawaiian Airlines departs from Chicago O'Hare International on Tue, 13 May, arriving in Seattle / Tacoma International.Price includes taxes and charges.From 155 €, select.

Chicago.156 € per passenger.Departing Wed, 11 Jun, returning Tue, 17 Jun.Return flight with United.Outbound direct flight with United departs from Seattle / Tacoma International on Wed, 11 Jun, arriving in Chicago O'Hare International.Inbound direct flight with United departs from Chicago O'Hare International on Tue, 17 Jun, arriving in Seattle / Tacoma International.Price includes taxes and charges.From 156 €, select.

Chicago.156 € per passenger.Departing Wed, 28 May, returning Wed, 4 Jun.Return flight with Delta.Outbound direct flight with Delta departs from Seattle / Tacoma International on Wed, 28 May, arriving in Chicago O'Hare International.Inbound direct flight with Delta departs from Chicago O'Hare International on Wed, 4 Jun, arriving in Seattle / Tacoma International.Price includes taxes and charges.From 156 €, select.

Find the cheapest month to fly from Seattle to Chicago

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Seattle to Chicago flights are currently cheapest in September.

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Direct flights from Seattle to Chicago

Alternative Seattle to Chicago routes

Looking for the cheapest, fastest or easiest route from Seattle to Chicago? You could fly into the following airports instead.

Seattle to Chicago: Flight information

The things to know before you go.

Cheapest flight found	149 €
Cheapest month to fly	April
Average flight time	4 hrs, 5 mins
Most popular airline	American Airlines
Average flights per week	567

Finding cheap flights from Seattle to Chicago: Frequently asked questions

How many airports are there in Chicago?

There are 4 airports in Chicago: Chicago Midway, Chicago O'Hare International, Chicago Dupage County, and Chicago Rockford.

How much are return flights from Seattle to Chicago?

The best price we found for a return flight from Seattle to Chicago is 149 €. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.

How long does it take to fly from Seattle to Chicago?

4 hours and 4 minutes is the average flight time from Seattle to Chicago.

Which airlines fly direct from Seattle to Chicago?

American Airlines, Qatar Airways and United fly direct from Seattle to Chicago.

How many flights are there a week from Seattle to Chicago?

As of April 2025, there are 567 flights per week flying from Seattle to Chicago.

When is the cheapest time to fly from Seattle to Chicago?

The cheapest month to fly from Seattle to Chicago is usually April 2025.

Which is the cheapest airport to fly into in Chicago?

If you're flying from Seattle, the cheapest airport near Chicago is Chicago O'Hare International – which is 25.4 km away from the centre of Chicago. We've found flights into this airport from 149 €.

Which upcoming date is cheapest to fly from Seattle to Chicago on?

After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Seattle to Chicago on Saturday, 26 April 2025.

Can I get a direct flight from Seattle to Chicago?

Yes – the average flight time is 4 hours and 4 minutes.

How can I get the best flight deal from Seattle to Chicago?

We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Chicago but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

When is the best time to book flights to Chicago?

We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Chicago is around 40 days in advance, so don’t leave your flight to the last minute.

What’s the weather like in Chicago?

In April, the average temperature is usually around 8°C. July is typically the warmest month in Chicago, when it usually averages around 26°C. You can expect the least rain in January. The coldest month is January, with temperatures averaging -8°C. The rainiest month is August.

Which is the cheapest airline to fly from Seattle to Chicago with?

The cheapest airline that flies to Chicago is Hawaiian Airlines .

Travelling from Seattle to Chicago: what you need to know

Get your trip started at Seattle-Tacoma International Airport (SEA), the main airport in Seattle. Look for flights from Seattle to Chicago that take off from this terminal.
When it comes to arriving in Chicago, O'Hare International Airport (ORD) is a major gateway. Another is Chicago Midway International Airport (MDW).
The average length of a direct flight from Seattle to Chicago is 4 hours 2 minutes. Chicago's timezone is UTC-5, which makes Chicago 2 hours ahead of Seattle.
Seattle-Tacoma International Airport (SEA) to O'Hare International Airport (ORD) is the most traveled route between these two cities. There are 135 flights a week to choose from. If you have things to do before heading off, the last flight from Seattle to Chicago is with American Airlines at 23:59. Choose the first SEA to ORD departure with United Airlines at 00:28 if you're more of an early bird.
To ensure you get on your flight from Seattle to Chicago, leave enough time for things like baggage drop and finding your gate. Arriving two hours ahead of international departures and an hour before domestic flights is the standard rule.
Longer lines at check-in and security are likely if you're flying during high season, so allow some extra breathing room. A good rule of thumb for peak periods? Get there up to four hours early for international flights and at least two hours for domestic departures.
Once you've booked cheap flights from Seattle to Chicago, get your documents ready. A visa or passport isn't necessary since you're flying within United States. As long as you have some other valid form of identification, such as a driver's licence or an ID card, you're all set.

Flying from Seattle

Seattle-Tacoma International Airport (SEA)

If you're looking for a direct flight from Seattle to Chicago, you can catch one from Seattle-Tacoma International Airport (SEA). Get from SEA to O'Hare International Airport (ORD) in one continuous trip.
At SEA, you'll find a good selection of airlines that operate direct flights from Seattle to Chicago, including:
Stopovers are the ideal opportunity to take a break from travelling — and maybe even visit a new city. When browsing flights from Seattle to Chicago departing from Seattle-Tacoma International Airport, uncheck the 'Direct flights only' box to see where you can stop along the way. Popular options include:
- Los Angeles International Airport (LAX)
- Harry Reid Airport (formerly McCarran Airport) Airport (LAS)
- Nashville International Airport (BNA)
SEA is around 23 kilometres from central Seattle. If you're driving, catching a cab or ride-sharing from the centre, it'll take 18 minutes or so to get there, depending on traffic. If you're using public transport, expect the journey time to be around 54 minutes.
Want a hassle-free start to your trip? Stay near Seattle-Tacoma International Airport. Whether you've booked an early flight from Seattle to Chicago or just don't like being rushed, these hotels are ideal:

Lake Union Sea Plane Base Airport (LKE)

Break up your flight from Seattle to Chicago with a stop so you can stretch your legs or cross another place off your list. Top stopovers between Seattle-Tacoma International Airport and Chicago are:
- Los Angeles International Airport (LAX)
- Harry Reid Airport (formerly McCarran Airport) Airport (LAS)
- Nashville International Airport (BNA)
On public transport, you can travel from central Seattle to LKE in about 23 minutes. The terminal is roughly 3 kilometres away, and getting there by car will take approximately 11 minutes.
Want to enjoy an extra night away before boarding your flight from Seattle to Chicago? Kick back in a hotel near Lake Union Sea Plane Base Airport before your break officially begins. These stays are calling your name:

Arriving in Chicago

O'Hare International Airport (ORD)

O'Hare International Airport (ORD) is around 40 kilometres from the centre of Chicago. With your own car rental or if you take a cab, the drive is around 35 minutes.
If you're travelling by public transport, expect a journey time of roughly 54 minutes.
Book a hotel near ORD if you're taking a late flight from Seattle to Chicago. Select one of these options and skip the long transfer:

Chicago Midway International Airport (MDW)

Once your flight from Seattle to Chicago has touched down, you can get to the city centre in around 21 minutes by car. Central Chicago is approximately 19 kilometres from Chicago Midway International Airport (MDW).
Public transport will get you there in around 46 minutes.
You'll find some cosy stays where you can make a pit stop near MDW. Settle in after your flight from Seattle to Chicago at any of these perfectly located options:

How to find the cheapest flights from Seattle to Chicago

76 € is the lowest price for a one-way ticket from Seattle to Chicago. Return flights start at 149 €. These prices may change based on demand.
Get cheap tickets from Seattle to Chicago by booking 9 months ahead. Based on our research, that's the sweet spot for finding the biggest deals.
The cheapest month for tickets from Seattle to Chicago is May. Compare prices using the 'Whole month' tool to find the dates with the lowest fares.
Sign into your online account or use the app to create a Price Alert. You'll be notified right away if there's a cheaper deal on this route. It doesn't take long, and it'll save you time checking for cheap tickets from Seattle to Chicago every day.
Tailor your travel plans using filters. Pick your preferred arrival and departure times, airlines and total journey duration. You can also sort your results by 'Fastest,' 'Cheapest' or 'Best' flights from Seattle to Chicago.

Best time to go to Chicago

It's time to plan your travel dates for your flight from Seattle to Chicago. August is the most popular month to visit Chicago. If you like a quieter vibe, go in February.
The warmest month in Chicago is July, with the temperature ranging between 15ºC and 29ºC. Lock in your flights from Seattle to Chicago in this month if you enjoy this type of weather.
Search for cheap tickets from Seattle to Chicago in January if you like cooler conditions. Temperatures are at their lowest then, ranging between -12ºC and 3ºC on average.

More about Chicago

After booking your flight from Seattle to Chicago, think about where to rest your head in this city. Make one of these accommodation options your base for exploring Chicago:
All great adventures should include some sightseeing. Millennium Park, Art Institute of Chicago and LandShark Beer Garden at Navy Pier are must-visits when exploring Chicago.

Complete your Chicago trip with a car rental

We use the same magic that helped you find your cheap flight from Seattle to Chicago to track down incredible deals on car rentals. Search for your ride in seconds and easily compare your options. Plus you'll find all the info you need to drive in Chicago, from the most popular car rental to the best time to book.