Cheap flights from Seattle to Chicago from C$ 101
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to Chicago departing on 3/6. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Alaska Airlines flights from Seattle to Chicago O'Hare Intl Airport
Our best Alaska Airlines deals on Seattle to Chicago O'Hare Intl Airport flight tickets
American Airlines flights from Seattle to Chicago O'Hare Intl Airport
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How to get the cheapest flight ticket from Seattle to Chicago O'Hare Intl Airport
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to Chicago O'Hare Intl Airport?
In general, September is the cheapest month to fly from Seattle to Chicago O'Hare Intl Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around C$ 350. The month of January is another great option to travel to Chicago O'Hare Intl Airport, with average flight prices from Seattle averaging around C$ 357.
What is the cheapest day to depart on your flight to Chicago O'Hare Intl Airport?
The cheapest day to depart on your flight to Chicago O'Hare Intl Airport is on a Thursday when prices can be found for as low as C$ 690. This is often the case because there is less demand to fly during this day of the week. When flying out on a Tuesday, the most expensive travel day of the week, you can expect to see flight prices from Seattle to Chicago O'Hare Intl Airport for around C$ 1,239.
What is the cheapest time of day to depart on your flight to Chicago O'Hare Intl Airport?
In the afternoon is the cheapest time of day to fly from Seattle to Chicago O'Hare Intl Airport when you can find flight prices for as low as C$ 328. Flying to Chicago O'Hare Intl Airport in the afternoon is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are C$ 1,208 on average. Flights to Chicago O'Hare Intl Airport from Seattle in the morning are generally more expensive because this time of day is more convenient for travellers’ schedules.
What is the cheapest Seattle/Tacoma Intl to Chicago O'Hare Intl flight route?
Fly from Seattle/Tacoma Intl to Chicago O'Hare Intl for the best Seattle/Tacoma Intl - Chicago O'Hare Intl flight prices
How far in advance should I book a flight to Chicago O'Hare Intl Airport?
You are more likely to see cheaper flights to Chicago O'Hare Intl Airport from Seattle when booking 6 weeks ahead of your departure date. In general, you can expect to find flights to Chicago O'Hare Intl Airport for around C$ 428 when searching 6 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Chicago O'Hare Intl Airport from Seattle for as low as C$ 368 on momondo.
What cabin class options are available on Seattle/Tacoma Intl to Chicago O'Hare Intl flights?
There are 4 cabin classes available to choose from on Seattle/Tacoma Intl to Chicago O'Hare Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
How many flights depart from Seattle to Chicago O'Hare Intl Airport on average per day?
As of April 2025, 45 flights take off from Seattle and land in Chicago O'Hare Intl Airport each day. The most common flight departure time for this route is 11:00a.m., with 55% of daily flights taking off at noon.
How many flights depart from Seattle to Chicago O'Hare Intl Airport on average per week?
The number of flights available between Seattle and Chicago O'Hare Intl Airport is 316 per week as of April 2025. The most frequent departure day is Tue, with 19% of weekly flights leaving on this day.
When to book flights from Seattle to Chicago O'Hare Intl Airport
Cheap Seattle to Chicago O'Hare Intl Airport (SEA to ORD) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Seattle to Chicago O'Hare Intl Airport
How far is Seattle/Tacoma Intl to Chicago O'Hare Intl by plane?
The straight-line distance from Seattle/Tacoma Intl to Chicago O'Hare Intl is 2762.2 km. A reasonable flight in good conditions will take 4h 00m.
When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Chicago O'Hare Intl Airport?
Prices for flights from Seattle/Tacoma Intl Airport to Chicago O'Hare Intl Airport are updated daily.
How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to Chicago O'Hare Intl Airport?
As of April 2025, there are 2 operators available to choose from for flights from Seattle/Tacoma Intl Airport to Chicago O'Hare Intl Airport.
How old do you have to be to fly from Seattle/Tacoma Intl Airport to Chicago O'Hare Intl Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Seattle/Tacoma Intl Airport to Chicago O'Hare Intl Airport.
What documentation or ID do you need to fly to Chicago O'Hare Intl Airport?
The travel and health documents you'll need for your trip to Chicago O'Hare Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Chicago O'Hare Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Seattle to Chicago O'Hare Intl Airport?
Based on momondo bookings for flights between Seattle and Chicago O'Hare Intl Airport, the leading plane model is Boeing 737-800, making up 19.57% of the total bookings. Other popular models include Boeing 737-900 Passenger/BBJ3 (winglets) with 16.67%, Boeing 737-800 Passenger/BBJ2 (winglets) with 10.57%, and Airbus A320-100/200 with 10.53%.
What is the most popular airline from Seattle to Chicago O'Hare Intl Airport?
Based on momondo bookings for flights between Seattle and Chicago O'Hare Intl Airport, the leading airline is Alaska Airlines, making up 73% of the total bookings. Other popular airlines include Delta with 27%.
Best airlines flying from Seattle to Chicago O'Hare Intl Airport
Compare and see reviews for airlines that fly from Seattle to Chicago O'Hare Intl Airport with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom C$ 117 | Free Cancellation | Rating 8.0 7,934 reviews | |||
| PriceFrom C$ 214 | Free Cancellation | Rating 8.0 9,968 reviews |
Delta Flights From Seattle to Chicago O'Hare Intl Airport
Delta is one of the most popular airlines flying from Seattle to Chicago O'Hare Intl Airport, operating 20 flights/week on average for this route. A good Delta flight deal for Seattle to Chicago O'Hare Intl Airport starts from C$ 84 round-trip, up to an average price of C$ 364. Our users have rated Delta at 8.0/10.
Alaska Airlines Flights From Seattle to Chicago O'Hare Intl Airport
Alaska Airlines (8.0/10 from 9,968 reviews) operates around 32 flights from Seattle to Chicago O'Hare Intl Airport in any given week. The average Alaska Airlines airfare for this route is around C$ 268, with deals from around C$ 155 rare but found on momondo. Referenced prices are for round-trip Seattle to Chicago O'Hare Intl Airport flight searches in the last 72 hours.
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Why should I use momondo to find a flight deal from Seattle to Chicago?
It is quick and easy to find Seattle to Chicago flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Chicago that suits you.
Can I find flights from Seattle to Chicago with flexible booking policies on momondo?
Yes. All flights to Chicago from Seattle on momondo can be compared and filtered by various policies on offer, including flexible booking.
How can momondo help me find flights from Seattle to Chicago?
momondo helps you find the best flight between Seattle and Chicago by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.
I’m not ready to book a flight from Seattle to Chicago right now. Can momondo alert me if prices change?
Of course. momondo tracks the price of Seattle to Chicago flights. All you need is a valid email address and we will do the rest; it is that quick and easy.