For a quick departure, use the free shuttle train between terminals at ORD, especially if your flight is from a different terminal.
Most accurate provider | FlightHub 3 stars |
---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $168 (Kiwi.com) |
One-way from | $90 (United Airlines) |
Popular in | July |
Cheapest in | April |
Average price | $318 |
Good round-trip deal | $268 or less |
Good one-way deal | $147 or less |
Fly from
Fly to
Route
Depart
Return
Price
ChicagoSeattle
ORD - SEA
ORDSEA
Chicago O'Hare Intl
Sat 4/26
6:00 am-8:30 am
Nonstop4h 30m
Seattle/Tacoma Intl
Sat 5/3
10:48 am-5:00 pm
Nonstop4h 12m
ChicagoSeattle
ORD - SEA
ORDSEA
Chicago O'Hare Intl
Wed 9/3
7:05 am-9:40 am
Nonstop4h 35m
Seattle/Tacoma Intl
Sat 9/13
11:40 am-5:50 pm
Nonstop4h 10m
ChicagoSeattle
ORD - SEA
ORDSEA
Chicago O'Hare Intl
Sat 4/26
9:00 am-11:32 am
Nonstop4h 32m
Seattle/Tacoma Intl
Sat 5/3
5:58 pm-11:59 pm
Nonstop4h 01m
ChicagoSeattle
ORD - SEA
ORDSEA
Chicago O'Hare Intl
Sun 8/31
8:42 pm-11:22 pm
Nonstop4h 40m
Seattle/Tacoma Intl
Sat 9/20
5:51 pm-11:59 pm
Nonstop4h 08m
ChicagoSeattle
ORD - SEA
ORDSEA
Chicago O'Hare Intl
Wed 4/23
7:00 am-1:59 pm
1 stop8h 59m
Seattle/Tacoma Intl
Tue 4/29
7:00 am-1:06 pm
Nonstop4h 06m
ChicagoSeattle
ORD - SEA
ORDSEA
Chicago O'Hare Intl
Wed 5/7
9:02 pm-12:10 am
1 stop29h 08m
Seattle/Tacoma Intl
Tue 5/13
3:20 pm-5:25 am
1 stop12h 05m
ChicagoSeattle
ORD - SEA
ORDSEA
Chicago O'Hare Intl
Wed 4/23
2:50 pm-11:50 pm
1 stop11h 00m
Seattle/Tacoma Intl
Fri 4/25
2:55 pm-11:05 pm
1 stop6h 10m
ChicagoSeattle
ORD - SEA
ORDSEA
Chicago O'Hare Intl
Thu 5/1
8:14 pm-6:02 pm
1 stop23h 48m
Seattle/Tacoma Intl
Mon 5/5
12:21 pm-11:41 pm
1 stop9h 20m
ChicagoSeattle
ORD - SEA
ORDSEA
Chicago O'Hare Intl
Wed 5/7
7:35 am-10:15 am
Nonstop4h 40m
Seattle/Tacoma Intl
Mon 5/12
1:10 am-11:08 am
1 stop7h 58m
ChicagoSeattle
ORD - SEA
ORDSEA
Chicago O'Hare Intl
Tue 4/29
7:00 am-1:59 pm
1 stop8h 59m
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 Accuracy- | Trust Score*3 stars | |
Price Accuracy3 stars | Trust Score*3 stars | |
Price Accuracy1 star | Trust Score*3 stars | |
Price Accuracy1 star | Trust Score*3 stars | |
Price Accuracy1 star | Trust Score*3 stars |
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 42 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 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.
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 at noon tend to be the most expensive. A flight in the evening could potentially save you up to 21% 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 Friday (46 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (14 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).
Crew
Food
Overall
Entertainment
Comfort
Boarding
Reviews
Ila,Mar 2025
HOU - DAL
Crew
Food
Overall
Entertainment
Comfort
Boarding
Reviews
Ila,Mar 2025
HOU - DAL
Crew
Food
Overall
Entertainment
Comfort
Boarding
Reviews
Ila,Mar 2025
HOU - DAL
Crew
Food
Overall
Entertainment
Comfort
Boarding
Reviews
Ila,Mar 2025
HOU - DAL
Crew
Food
Overall
Entertainment
Comfort
Boarding
Reviews
Ila,Mar 2025
HOU - DAL
Crew
Food
Overall
Entertainment
Comfort
Boarding
Reviews
Ila,Mar 2025
HOU - DAL
Airline | Cheapest | Average | Flexibility | On-time |
---|---|---|---|---|
Cheapest$114 | Average$283 | FlexibilityNo cancel fee | On-time85% | |
Cheapest$118 | Average$193 | FlexibilityNo cancel fee | On-time62% | |
Cheapest$121 | Average$240 | FlexibilityNo cancel fee | On-time65% | |
Cheapest$136 | Average$306 | FlexibilityNo cancel fee | On-time75% | |
Cheapest$136 | Average$281 | FlexibilityNo cancel fee | On-timeN/A | |
Cheapest$151 | Average$328 | FlexibilityNo cancel fee | On-time69% | |
Cheapest$167 | Average$328 | FlexibilityNo cancel fee | On-time71% |