
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $210 (Frontier) |
One-way from | $99 (Vakatrip) |
Popular in | December |
Cheapest in | February |
Average price | $341 |
Good round-trip deal | $320 or less |
Good one-way deal | $194 or less |
Fly from
Fly to
Route
Depart
Return
SeattleChicago
SEA - MDW
SEAMDW
Seattle/Tacoma Intl
vie. 4/17
11:55 pm-5:55 am
Nonstop4h 00m
Chicago Midway
vie. 4/24
9:35 pm-12:05 am
Nonstop4h 30m
SeattleChicago
SEA - MDW
SEAMDW
Seattle/Tacoma Intl
lun. 5/4
2:50 pm-11:55 pm
1 stop7h 05m
Chicago Midway
lun. 5/11
9:35 pm-12:05 am
Nonstop4h 30m
SeattleChicago
SEA - MDW
SEAMDW
Seattle/Tacoma Intl
mié. 4/29
11:45 pm-5:45 am
Nonstop4h 00m
Chicago Midway
lun. 5/4
4:35 pm-12:55 am
2 stops10h 20m
SeattleChicago
SEA - ORD
SEAORD
Seattle/Tacoma Intl
sáb. 4/18
5:49 pm-11:59 pm
Nonstop4h 10m
Chicago O'Hare Intl
mar. 4/21
8:00 am-10:43 am
Nonstop4h 43m
SeattleChicago
SEA - ORD
SEAORD
Seattle/Tacoma Intl
vie. 4/17
11:14 pm-8:01 am
1 stop6h 47m
Chicago O'Hare Intl
jue. 4/23
1:36 pm-9:50 pm
1 stop10h 14m
SeattleChicago
SEA - ORD
SEAORD
Seattle/Tacoma Intl
vie. 4/17
3:48 pm-12:30 am
1 stop6h 42m
Chicago O'Hare Intl
vie. 4/24
9:54 pm-12:34 am
Nonstop4h 40m
SeattleChicago
SEA - MDW
SEAMDW
Seattle/Tacoma Intl
lun. 4/13
9:00 pm-5:45 am
1 stop6h 45m
Chicago Midway
mié. 4/15
9:40 pm-12:10 am
Nonstop4h 30m
SeattleChicago
SEA - MDW
SEAMDW
Seattle/Tacoma Intl
jue. 4/30
5:15 am-11:10 am
Nonstop3h 55m
Chicago Midway
sáb. 5/2
6:05 pm-8:35 pm
Nonstop4h 30m
SeattleChicago
SEA - MDW
SEAMDW
Seattle/Tacoma Intl
jue. 5/14
5:15 am-11:10 am
Nonstop3h 55m
Chicago Midway
sáb. 5/16
6:15 am-5:55 pm
1 stop13h 40m
SeattleChicago
SEA - ORD
SEAORD
Seattle/Tacoma Intl
mar. 4/14
8:25 am-11:55 pm
2 stops13h 30m
Chicago O'Hare Intl
lun. 4/20
6:15 am-2:10 pm
1 stop9h 55m
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*2 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy- | Trust Score*1 star |
The price you pay for your flight from Seattle to Chicago may vary depending on when you book. For the best chance of a lower fare, look to book 55 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
Currently, January is the cheapest month in which you can book a flight from Seattle to Chicago (average of $93). Flying from Seattle to Chicago in March is currently the most expensive (average of $177). 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 Seattle to Chicago in the evening. Doing so could potentially save you 6% on the flight price compared to flying in the morning, which is usually more expensive.
Travelers seeking maximum savings on their Seattle to Chicago flight should consider departing on Saturday afternoons 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 SEA to CHI are scheduled on a Monday (43 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (29 on average).
Overall
Comfort
Food
Boarding
Entertainment
Crew
Reviews
Dominic,Mar 2026
MCO - SMF
Overall
Comfort
Food
Boarding
Entertainment
Crew
Reviews
Dominic,Mar 2026
MCO - SMF
Overall
Comfort
Food
Boarding
Entertainment
Crew
Reviews
Dominic,Mar 2026
MCO - SMF
Overall
Comfort
Food
Boarding
Entertainment
Crew
Reviews
Dominic,Mar 2026
MCO - SMF
Overall
Comfort
Food
Boarding
Entertainment
Crew
Reviews
Dominic,Mar 2026
MCO - SMF
Overall
Comfort
Food
Boarding
Entertainment
Crew
Reviews
Dominic,Mar 2026
MCO - SMF
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$108 | Average$285 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$114 | Average$257 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$162 | Average$288 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$163 | Average$312 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$169 | Average$311 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$177 | Average$335 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$177 | Average$330 | FlexibilityNo cancel fee | On-time71% |