Cheap flights from Chicago to Seattle from $54
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Chicago to Seattle departing on 2/26. 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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How to get the cheapest flight ticket from Chicago to Seattle
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 Seattle?
In general, February is the cheapest month to fly from Chicago to Seattle. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $198. If you don’t want to visit Seattle in February, then you should wait until January to fly from Chicago, when ticket prices are also cheap, with an average price of $218.
What is the cheapest day to depart on your flight to Seattle?
On average, the least expensive day to fly to Seattle from Chicago is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as $268. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Sunday is the most expensive day to depart from Chicago because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $352.
What is the cheapest time of day to depart on your flight to Seattle?
Flying to Seattle from Chicago in the evening is the least expensive time of day to depart. momondo users have found prices as low as $292 when looking at flights departing in the evening. Flights to Seattle are more costly at noon, with an average ticket price of $309. Departure times at noon fall within the peak daily travel times, which is why tickets can be more expensive.
What is the cheapest Chicago to Seattle/Tacoma Intl flight route?
Fly from Chicago Midway to Seattle/Tacoma Intl for the best Chicago - Seattle/Tacoma Intl flight prices
How far in advance should I book a flight to Seattle?
You are more likely to see cheaper flights to Seattle from Chicago when booking 38 days ahead of your departure date. In general, you can expect to find flights to Seattle for around $277 when searching 38 days out. Keep in mind that you might be able to find cheaper flights to Seattle at any time. In fact, our users found flights for as low as $186 in the past 72 hours.
What cabin class options are available on Chicago to Seattle/Tacoma Intl flights?
There are 4 cabin classes available to choose from on Chicago to Seattle/Tacoma Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
Can stopping save me money on Chicago to Seattle flights?
You could potentially save up to 36% on your flight if you consider stops on a Chicago to Seattle flight.
How have Chicago to Seattle flight prices changed over time?
As of December 2024, prices for Chicago to Seattle flights are approximately 34% more expensive when compared to flights at the same time last year.
How many flights depart from Chicago to Seattle on average per day?
The number of flights available between Chicago and Seattle is 30 per day as of December 2024. The most frequent departure time is 7:00PM, with 35% of daily flights leaving at noon.
How many flights depart from Chicago to Seattle on average per week?
214 flights are operational weekly from Chicago to Seattle as of December 2024. The most popular departure day for this route is Mon, with 22% of flights per week taking off on this day.
When to book flights from Chicago to Seattle
Cheap Chicago to Seattle (CHI to SEA) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Chicago to Seattle
How far is Chicago to Seattle/Tacoma Intl by plane?
The straight-line distance from Chicago to Seattle/Tacoma Intl is 1732.3 mi. By plane, this route typically takes 4h 30m.
When did momondo last update prices for flights from Chicago to Seattle/Tacoma Intl Airport?
Prices for flights from Chicago to Seattle/Tacoma Intl Airport refresh daily.
How many operators does momondo search for flights from Chicago to Seattle/Tacoma Intl Airport?
As of December 2024, there are 8 operators available to choose from for flights from Chicago to Seattle/Tacoma Intl Airport.
How old do you have to be to fly from Chicago to Seattle/Tacoma Intl Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Chicago to Seattle/Tacoma Intl Airport.
What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?
The travel and health documents you'll need for your trip to Seattle/Tacoma 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 Seattle/Tacoma 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 Chicago to Seattle?
Based on momondo bookings for flights between Chicago and Seattle, the leading plane model is Boeing 737-800, making up 24.55% of the total bookings. Other popular models include Boeing 737-900 with 18.42%, Airbus A320-100/200 with 14.94%, and Boeing 737 MAX 8 with 10.54%.
What is the most popular airline from Chicago to Seattle?
Based on momondo bookings for flights between Chicago and Seattle, the leading airline is Alaska Airlines, making up 42% of the total bookings. Other popular airlines include Delta with 24%, United Airlines with 24%, and American Airlines with 7%.
Best airlines flying from Chicago to Seattle
Compare and see reviews for airlines that fly from Chicago to Seattle with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $116 | Free Cancellation | Rating 8.0 8,537 reviews | |||
| PriceFrom $116 | Free Cancellation | Rating 8.0 9,601 reviews | |||
| PriceFrom $118 | Free Cancellation | Rating 6.0 3,453 reviews | |||
| PriceFrom $121 | Free Cancellation | Rating 6.3 8,106 reviews | |||
| PriceFrom $145 | Free Cancellation | Rating 7.4 8,978 reviews | |||
| PriceFrom $155 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $188 | Free Cancellation | Rating 8.1 4,707 reviews |
Southwest Flights From Chicago to Seattle
Southwest flies from Chicago to Seattle around 6 times per week, with 4,707 momondo users rating the airline 8.1/10. The cheapest Southwest deal from Chicago to Seattle in the last 72 hours was $188 (round-trip), much lower than the average airfare cost of $425 for Southwest flights on this route.
Delta Flights From Chicago to Seattle
Another popular option for Chicago to Seattle flights is Delta (8.0/10, 8,537 ratings). Delta flies from Chicago to Seattle around 14 times per week, with deals starting from $116 round-trip and rising to an average price of around $405.
Why use momondo?
Why should I use momondo to find a flight deal from Chicago to Seattle?
It is quick and easy to find Chicago to Seattle 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 Seattle that suits you.
Can I find flights from Chicago to Seattle with flexible booking policies on momondo?
Yes. momondo enables you to select and highlight flights to Seattle from Chicago with this policy.
How can momondo help me find flights from Chicago to Seattle?
Once all potential Chicago to Seattle flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.
I’m not ready to book a flight from Chicago to Seattle right now. Can momondo alert me if prices change?
Yes. momondo can track prices for Chicago to Seattle flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.