Cheap flights from Chicago to Seattle from $108
Deals available from 900+ travel sites.
Travel Restriction Alert
View current United States travel restrictionsFlight information for Chicago to Seattle
(CHI to SEA)
Find info about flight duration, direct flights, and airports for your flight from Chicago to Seattle
Best Price Found | $108 |
|---|---|
Fastest flight time | 4h 29m |
Direct flights | Mon, Tue, Thu, Fri, Sat and Sun |
Airports in Seattle | 3 airports |
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 from Chicago to Seattle?
August
The cheapest time of year to fly to Seattle from Chicago is August. Most expensive is December
What is the cheapest day to depart Chicago for Seattle?
Thursday
The cheapest day of the week is typically Thursday. The most expensive is typically Monday
When is the cheapest time to fly from Chicago to Seattle?
in the afternoon
Chicago to Seattle flights are approximately 12% more expensive at noon than in the afternoon
What is the cheapest airline that flies to Seattle from Chicago?
Juneyao Airlines
Alaska Airlines, American Airlines, and Delta are the most popular carriers operating from Chicago to Seattle
What is the cheapest Chicago to Seattle flight route?
Chicago O'Hare Intl - Seattle/Tacoma Intl
Fly from Chicago O'Hare Intl to Seattle/Tacoma Intl for the best Chicago - Seattle flight prices
How far in advance should you book Chicago to Seattle flights?
55 days before
The cheapest time to buy a flight from Chicago to Seattle is approximately 55 days to departure
| Chicago O'Hare Intl Airport (ORD) to Seattle/Tacoma Intl Airport (SEA) | $215 | |
| Chicago Midway Airport (MDW) to Seattle/Tacoma Intl Airport (SEA) | $234 |
When traveling from Chicago to Seattle, the most popular airport to fly into is Seattle/Tacoma Intl Airport. The majority of travelers flying into Seattle/Tacoma Intl Airport from Chicago are departing from Chicago O'Hare Intl Airport. If you are looking for an alternate airport near Chicago O'Hare Intl Airport, Chicago Midway Airport is a great option and is located in Chicago. When traveling from Chicago, it is helpful to have an alternative airport to fly into when you land in Seattle. The nearest airport to Seattle/Tacoma Intl Airport is Seattle/Tacoma Intl Airport which is located in Seattle. The least expensive flight option from Chicago to Seattle will typically be ORD — SEA during the month of May with an average price of $215 RT.
Easily compare round-trip flights from Chicago to Seattle
Below you can see the best fares for your round-trip flight route over the next three months. All fares were found on momondo this week. Browse the quickest and cheapest flights from Chicago to Seattle by changing tabs
Find the cheapest one-way flights from Chicago to Seattle
If you're looking for one-way flights from Chicago to Seattle, view some of our deals below provided by American Airlines, Delta and Spirit Airlines
Search last-minute flights to Seattle from Chicago
Find and compare round-trip flight prices for your last-minute flight from Chicago to Seattle
Best airlines flying from Chicago to Seattle
Compare and see reviews for airlines that fly from Chicago to Seattle with momondo
Alaska Airlines Flights From Chicago to Seattle
Alaska Airlines flies from Chicago to Seattle around 9 times per week, with 403 momondo users rating the airline 8.0/10. The cheapest Alaska Airlines deal from Chicago to Seattle in the last 72 hours was $106 (round-trip), much lower than the average airfare cost of $385 for Alaska Airlines flights on this route.
Delta Flights From Chicago to Seattle
Another popular option for Chicago to Seattle flights is Delta (7.9/10, 385 ratings). Delta flies from Chicago to Seattle around 14 times per week, with deals starting from $108 round-trip and rising to an average price of around $371.
American Airlines flights from Chicago to Seattle
Our best American Airlines deals on Chicago to Seattle flight tickets
United Airlines flights from Chicago to Seattle
Our best United Airlines deals on Chicago to Seattle flight tickets
Are airlines flying from Chicago to Seattle/Tacoma Intl offering flexible cancellation due to COVID-19?
To ease the stress of booking flights, some of our airline partners flying from Chicago to Seattle/Tacoma Intl are responding to the global pandemic. The following airlines may have a flexible cancellation policy to help accommodate travelers: Alaska Airlines, United Airlines, and Delta.
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 32m.
Can I fly to Seattle/Tacoma Intl from Chicago right now?
Most visitors from Chicago need to provide a negative COVID-19 test result and/or quarantine to enter Seattle/Tacoma Intl.
COVID-19 testing requirements
Visitors from Chicago must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 1 day for RT-PCR (NAAT) and 1 day for Antigen (quick-test) before departing to Seattle/Tacoma Intl.
Quarantine requirements
Visitors from Chicago are not required to quarantine after entering Seattle/Tacoma Intl.
Can I fly back to Chicago from Seattle/Tacoma Intl?
COVID-19 testing requirements
Visitors from Seattle/Tacoma Intl must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 1 day for RT-PCR (NAAT) and 1 day for Antigen (quick-test) before departing to Chicago.
Quarantine requirements
Visitors from Seattle/Tacoma Intl are not required to quarantine after entering Chicago.
Alternative routes for Chicago to Seattle
Compare alternative flights to and from nearby airports and cities to discover the best prices and most convenient flight times
Similar Chicago to Seattle flights
Flexible with your destination? Broaden your search and find flights similar to your Chicago to Seattle route
Flights to other cities in United States
Lost the lust for Seattle? Check out some flights to other cities in United States
Why use momondo?
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.
Yes. momondo enables you to select and highlight flights to Seattle from Chicago with this policy.
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.
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.