Most accurate provider | FlightHub 3 stars |
---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $168 (Southwest) |
One-way from | $86 (CheapOair) |
Popular in | July |
Cheapest in | September |
Average price | $229 |
Good round-trip deal | $271 or less |
Good one-way deal | $145 or less |
Fly from
Fly to
Route
Depart
Return
Price
ChicagoSeattle
ORD - SEA
ORDSEA
Chicago O'Hare Intl
Tue 3/18
2:42 pm-8:43 am
1 stop20h 01m
Seattle/Tacoma Intl
Mon 3/24
9:48 am-6:42 am
1 stop18h 54m
ChicagoSeattle
ORD - SEA
ORDSEA
Chicago O'Hare Intl
Tue 4/22
6:25 pm-9:10 pm
Nonstop4h 45m
Seattle/Tacoma Intl
Sat 4/26
5:55 pm-11:59 pm
Nonstop4h 04m
ChicagoSeattle
MDW - SEA
MDWSEA
Chicago Midway
Tue 4/22
2:20 pm-4:50 pm
Nonstop4h 30m
Seattle/Tacoma Intl
Wed 4/30
6:00 am-12:10 pm
Nonstop4h 10m
ChicagoSeattle
ORD - SEA
ORDSEA
Chicago O'Hare Intl
Tue 4/22
7:35 am-10:15 am
Nonstop4h 40m
Seattle/Tacoma Intl
Tue 4/29
11:59 pm-6:04 am
Nonstop4h 05m
ChicagoSeattle
ORD - SEA
ORDSEA
Chicago O'Hare Intl
Wed 3/12
10:12 am-7:02 pm
1 stop10h 50m
Seattle/Tacoma Intl
Thu 3/13
11:38 am-5:10 am
1 stop15h 32m
ChicagoSeattle
ORD - SEA
ORDSEA
Chicago O'Hare Intl
Sat 3/15
7:45 am-2:22 pm
1 stop8h 37m
Seattle/Tacoma Intl
Sun 3/23
8:59 pm-12:39 pm
1 stop13h 40m
ChicagoSeattle
ORD - SEA
ORDSEA
Chicago O'Hare Intl
Sat 4/5
8:00 am-10:39 am
Nonstop4h 39m
Seattle/Tacoma Intl
Thu 4/24
11:59 pm-6:05 am
Nonstop4h 06m
ChicagoSeattle
ORD - SEA
ORDSEA
Chicago O'Hare Intl
Thu 4/3
7:00 am-1:59 pm
1 stop8h 59m
Seattle/Tacoma Intl
Tue 4/8
11:45 pm-5:46 am
Nonstop4h 01m
ChicagoSeattle
MDW - SEA
MDWSEA
Chicago Midway
Tue 4/8
7:25 am-2:16 pm
1 stop8h 51m
Seattle/Tacoma Intl
Tue 4/15
4:16 pm-5:23 am
1 stop11h 07m
ChicagoSeattle
ORD - SEA
ORDSEA
Chicago O'Hare Intl
Fri 3/14
7:45 am-10:28 am
Nonstop4h 43m
Seattle/Tacoma Intl
Mon 3/17
6:03 pm-11:59 pm
Nonstop3h 56m
Provider | Price Accuracy | Trust Score* |
---|---|---|
Price Accuracy1 star | Trust Score*3 stars | |
Price Accuracy3 stars | Trust Score*3 stars | |
Price Accuracy3 stars | Trust Score*3 stars | |
Price Accuracy3 stars | Trust Score*2 stars | |
Price Accuracy3 stars | Trust Score*2 stars | |
Price Accuracy3 stars | Trust Score*3 stars | |
Price Accuracy1 star | Trust Score*3 stars | |
Price Accuracy- | Trust Score*3 stars | |
Price Accuracy1 star | Trust Score*3 stars | |
Price Accuracy- | Trust Score*3 stars |
The best time to book flights from Chicago to Seattle is 62 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
Currently, January is the cheapest month in which you can book a flight from Chicago to Seattle (average of $238). Flying from Chicago to Seattle in July is currently the most expensive (average of $411). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
It’s typically best to fly out from Chicago to Seattle in the evening. Doing so could potentially save you 21% on the flight price compared to flying at noon, which is usually more expensive.
Travelers seeking maximum savings on their Chicago to Seattle flight should consider departing on Tuesday evenings when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
The most flights from CHI to SEA are scheduled on a Monday (39 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (13 on average).
In terms of precipitation, rainfall in Seattle ranges from 0.7 - 6.6 inches per month. November is typically the wettest month, when rainfall can reach 6.6 in. July is typically the driest time to visit Seattle when rainfall is around 0.7 in.
If weather is an important factor for your trip to Seattle, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 66.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 41.0 F).
Overall
Crew
Comfort
Entertainment
Boarding
Food
Reviews
Merlyn,Feb 2025
LAX - SMF
Overall
Crew
Comfort
Entertainment
Boarding
Food
Reviews
Merlyn,Feb 2025
LAX - SMF
Overall
Crew
Comfort
Entertainment
Boarding
Food
Reviews
Merlyn,Feb 2025
LAX - SMF
Overall
Crew
Comfort
Entertainment
Boarding
Food
Reviews
Merlyn,Feb 2025
LAX - SMF
Overall
Crew
Comfort
Entertainment
Boarding
Food
Reviews
Merlyn,Feb 2025
LAX - SMF
Overall
Crew
Comfort
Entertainment
Boarding
Food
Reviews
Merlyn,Feb 2025
LAX - SMF
Airline | Cheapest | Average | Flexibility | On-time |
---|---|---|---|---|
Cheapest$118 | Average$223 | FlexibilityNo cancel fee | On-time62% | |
Cheapest$121 | Average$239 | FlexibilityNo cancel fee | On-time65% | |
Cheapest$127 | Average$305 | FlexibilityNo cancel fee | On-time75% | |
Cheapest$130 | Average$399 | FlexibilityNo cancel fee | On-timeN/A | |
Cheapest$149 | Average$334 | FlexibilityNo cancel fee | On-time69% | |
Cheapest$159 | Average$323 | FlexibilityNo cancel fee | On-time71% | |
Cheapest$188 | Average$345 | FlexibilityNo cancel fee | On-time63% |