For a quick departure, use the "L" train to reach ORD, avoiding Chicago traffic delays common with taxis and rideshares.
Round-trip from | $174 (Kiwi.com) |
---|---|
One-way from | $100 (United Airlines) |
Popular in | December |
Cheapest in | September |
Average price | $333 |
Good round-trip deal | $247 or less |
Good one-way deal | $166 or less |
Fly from
Fly to
Route
Depart
Return
Price
ChicagoSeattle
ORD - SEA
ORDSEA
Chicago O'Hare Intl
Sat 9/20
10:00 am-12:34 pm
Nonstop4h 34m
Seattle/Tacoma Intl
Wed 9/24
3:59 pm-10:07 pm
Nonstop4h 08m
ChicagoSeattle
ORD - SEA
ORDSEA
Chicago O'Hare Intl
Wed 9/10
10:00 am-12:34 pm
Nonstop4h 34m
Seattle/Tacoma Intl
Wed 9/10
3:59 pm-10:07 pm
Nonstop4h 08m
ChicagoSeattle
ORD - SEA
ORDSEA
Chicago O'Hare Intl
Sat 10/11
7:15 am-9:49 am
Nonstop4h 34m
Seattle/Tacoma Intl
Fri 10/17
12:34 am-6:42 am
Nonstop4h 08m
ChicagoSeattle
ORD - SEA
ORDSEA
Chicago O'Hare Intl
Tue 9/9
4:10 pm-6:49 pm
Nonstop4h 39m
Seattle/Tacoma Intl
Tue 9/23
7:10 am-5:10 pm
1 stop8h 00m
ChicagoSeattle
ORD - SEA
ORDSEA
Chicago O'Hare Intl
Sat 8/30
4:20 pm-10:30 pm
1 stop8h 10m
Seattle/Tacoma Intl
Sat 9/6
5:00 am-1:05 pm
1 stop6h 05m
ChicagoSeattle
ORD - SEA
ORDSEA
Chicago O'Hare Intl
Tue 9/2
7:15 am-9:45 am
Nonstop4h 30m
Seattle/Tacoma Intl
Wed 9/10
5:50 pm-11:51 pm
Nonstop4h 01m
ChicagoSeattle
ORD - SEA
ORDSEA
Chicago O'Hare Intl
Wed 9/10
2:07 pm-9:36 pm
1 stop9h 29m
Seattle/Tacoma Intl
Wed 9/17
7:00 am-9:37 am
1 stop24h 37m
ChicagoSeattle
ORD - SEA
ORDSEA
Chicago O'Hare Intl
Tue 9/16
6:00 am-1:03 pm
1 stop9h 03m
ChicagoSeattle
ORD - SEA
ORDSEA
Chicago O'Hare Intl
Mon 8/25
11:44 am-12:34 am
1 stop14h 50m
ChicagoSeattle
ORD - SEA
ORDSEA
Chicago O'Hare Intl
Sat 9/27
2:07 pm-8:35 pm
1 stop8h 28m
The price you pay for your flight from Chicago O'Hare Intl Airport to Seattle may vary depending on when you book. For the best chance of a lower fare, look to book 64 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 Chicago O'Hare Intl Airport to Seattle (average of $238). Flying from Chicago O'Hare Intl Airport to Seattle in June is currently the most expensive (average of $389). 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.
One of the essential ways to save on airfare from Chicago O'Hare Intl Airport to Seattle is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight in the evening could potentially save you up to 14% on airfare.
Travelers seeking maximum savings on their Chicago O'Hare Intl Airport to Seattle flight should consider departing on Wednesday 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 ORD to SEA are scheduled on a Sunday (75 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (49 on average).
Entertainment
Boarding
Comfort
Overall
Food
Crew
Reviews
Anonymous,Jul 2025
EUG - SEA
Entertainment
Boarding
Comfort
Overall
Food
Crew
Reviews
Anonymous,Jul 2025
EUG - SEA
Entertainment
Boarding
Comfort
Overall
Food
Crew
Reviews
Anonymous,Jul 2025
EUG - SEA
Entertainment
Boarding
Comfort
Overall
Food
Crew
Reviews
Anonymous,Jul 2025
EUG - SEA
Entertainment
Boarding
Comfort
Overall
Food
Crew
Reviews
Anonymous,Jul 2025
EUG - SEA
Entertainment
Boarding
Comfort
Overall
Food
Crew
Reviews
Anonymous,Jul 2025
EUG - SEA
Airline | Cheapest | Average | Flexibility | On-time |
---|---|---|---|---|
Cheapest$90 | Average$250 | FlexibilityNo cancel fee | On-time85% | |
Cheapest$98 | Average$209 | FlexibilityNo cancel fee | On-time65% | |
Cheapest$118 | Average$195 | FlexibilityNo cancel fee | On-time62% | |
Cheapest$123 | Average$260 | FlexibilityNo cancel fee | On-timeN/A | |
Cheapest$156 | Average$290 | FlexibilityNo cancel fee | On-time75% | |
Cheapest$166 | Average$324 | FlexibilityNo cancel fee | On-time69% | |
Cheapest$168 | Average$322 | FlexibilityNo cancel fee | On-time71% |