Cheap flights from Chicago O'Hare Intl Airport to Seattle from C$ 205
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/3. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — SEA
9 Oct — 16 Oct1
Round-trip
1 adult
Economy
Round-trip
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Chicago O'Hare Intl to Seattle/Tacoma Intl are usually found in January or February, booked 35 days in advance, depart on a Thursday or Wednesday and return on a Thursday
Cheap flight deals from O'Hare Intl to Seattle
Enter your travel dates to find the best prices.
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Cheapest flights from O'Hare Intl to Seattle
Explore the most affordable flight options available from O'Hare Intl to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 9 September 2026.
Thu 15/107:16 p.m. -
Nonstop4h 43m
Sun 18/108:07 p.m. -
1 stop15h 18m
Deal found 7/9C$ 386
Thu 5/117:20 a.m. -
1 stop17h 37m
Sun 8/1111:42 p.m. -
Nonstop3h 58m
Deal found 6/9C$ 389
Thu 19/112:15 p.m. -
1 stop10h 42m
Thu 26/1111:40 a.m. -
Nonstop4h 16m
Deal found 6/9C$ 394
Mon 28/98:09 p.m. -
Nonstop4h 44m
Thu 1/105:07 p.m. -
Nonstop4h 03m
Deal found 6/9C$ 396
Fri 30/102:03 p.m. -
1 stop6h 59m
Thu 5/119:35 p.m. -
1 stop24h 15m
Deal found 7/9C$ 400
Fri 9/107:49 p.m. -
1 stop15h 39m
Sun 11/1011:41 p.m. -
Nonstop3h 59m
Deal found 6/9C$ 401
Sat 3/107:20 a.m. -
1 stop16h 13m
Sun 11/1011:41 p.m. -
Nonstop3h 59m
Deal found 5/9C$ 405
Fri 30/102:03 p.m. -
1 stop10h 02m
Fri 6/119:35 p.m. -
2 stops15h 01m
Deal found 7/9C$ 407
Sun 13/126:00 a.m. -
Nonstop4h 39m
Sun 13/1211:41 a.m. -
1 stop10h 18m
Deal found 7/9C$ 408
Wed 25/117:26 a.m. -
1 stop9h 58m
Fri 11/121:45 p.m. -
Nonstop4h 10m
Deal found 5/9C$ 409
Sat 12/126:00 a.m. -
Nonstop4h 39m
Sat 12/1211:31 a.m. -
2 stops10h 28m
Deal found 7/9C$ 411
Best flights from O'Hare Intl to Seattle
Discover carefully curated flight deals from O'Hare Intl to Seattle that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 9 September 2026.
Fri 9/107:16 p.m. -
Nonstop4h 43m
Sun 11/109:08 p.m. -
1 stop14h 17m
Deal found 6/9C$ 386
Sat 12/122:44 p.m. -
1 stop9h 20m
Mon 21/125:52 p.m. -
Nonstop4h 07m
Deal found 5/9C$ 459
Tue 29/98:00 a.m. -
Nonstop4h 34m
Mon 5/1011:41 p.m. -
Nonstop3h 59m
Deal found 8/9C$ 437
Fri 9/102:45 p.m. -
1 stop9h 13m
Mon 12/1011:50 p.m. -
1 stop7h 03m
Deal found 5/9C$ 473
Wed 30/97:20 a.m. -
1 stop9h 19m
Mon 5/1011:41 p.m. -
Nonstop3h 59m
Deal found 8/9C$ 451
Thu 3/128:00 a.m. -
Nonstop4h 41m
Sat 5/127:00 a.m. -
1 stop9h 55m
Deal found 9/9C$ 451
Wed 30/98:00 a.m. -
Nonstop4h 34m
Tue 6/107:04 a.m. -
1 stop9h 49m
Deal found 8/9C$ 451
Wed 4/116:35 p.m. -
Nonstop4h 54m
Mon 9/119:08 a.m. -
1 stop7h 51m
Deal found 8/9C$ 451
Wed 21/103:49 p.m. -
Nonstop4h 39m
Fri 23/109:08 p.m. -
1 stop14h 17m
Deal found 9/9C$ 455
Sat 19/98:00 a.m. -
Nonstop4h 34m
Fri 2/105:51 p.m. -
Nonstop4h 08m
Deal found 7/9C$ 458
Thu 29/107:20 a.m. -
1 stop9h 57m
Mon 2/1111:43 a.m. -
1 stop10h 06m
Deal found 9/9C$ 465
Direct flights from O'Hare Intl to Seattle
Explore direct flight options from O'Hare Intl to Seattle based on user searches, and compare prices and availability for your desired travel dates. Data last updated 9 September 2026.
Mon 28/98:09 p.m. -
Nonstop4h 44m
Thu 1/105:07 p.m. -
Nonstop4h 03m
Deal found 6/9C$ 396
Thu 19/117:00 a.m. -
Nonstop4h 50m
Sun 22/1111:58 p.m. -
Nonstop3h 58m
Deal found 8/9C$ 409
Mon 12/108:09 p.m. -
Nonstop4h 44m
Tue 13/105:07 p.m. -
Nonstop4h 03m
Deal found 6/9C$ 416
Tue 15/127:45 p.m. -
Nonstop4h 48m
Thu 17/1211:44 p.m. -
Nonstop4h 15m
Deal found 7/9C$ 419
Tue 29/93:52 p.m. -
Nonstop4h 33m
Sat 3/1011:41 p.m. -
Nonstop3h 59m
Deal found 7/9C$ 423
Mon 12/108:09 p.m. -
Nonstop4h 44m
Sat 17/105:07 p.m. -
Nonstop4h 03m
Deal found 6/9C$ 425
Tue 29/96:00 a.m. -
Nonstop4h 30m
Tue 29/911:35 a.m. -
Nonstop4h 26m
Deal found 8/9C$ 430
Wed 9/128:42 p.m. -
Nonstop4h 44m
Wed 16/1212:36 a.m. -
Nonstop4h 04m
Deal found 7/9C$ 432
Mon 26/107:16 p.m. -
Nonstop4h 43m
Tue 3/115:51 p.m. -
Nonstop4h 08m
Deal found 8/9C$ 437
Thu 1/105:44 p.m. -
Nonstop4h 36m
Wed 7/105:30 p.m. -
Nonstop4h 04m
Deal found 9/9C$ 438
Thu 17/125:55 p.m. -
Nonstop4h 47m
Sat 26/125:52 p.m. -
Nonstop4h 07m
Deal found 5/9C$ 445
Sat 26/96:00 a.m. -
Nonstop4h 30m
Thu 1/105:51 p.m. -
Nonstop4h 08m
Deal found 5/9C$ 451
Last-minute flights from O'Hare Intl to Seattle
Discover last-minute flight deals from O'Hare Intl to Seattle. Data last updated 9 September 2026 and is based on user searches.
Mon 28/98:09 p.m. -
Nonstop4h 44m
Thu 1/105:07 p.m. -
Nonstop4h 03m
Deal found 6/9C$ 396
Tue 29/94:20 p.m. -
1 stop6h 55m
Wed 7/105:07 p.m. -
Nonstop4h 03m
Deal found 6/9C$ 409
Tue 29/97:20 a.m. -
1 stop9h 19m
Mon 5/1011:41 p.m. -
Nonstop3h 59m
Deal found 5/9C$ 421
Wed 30/97:20 a.m. -
1 stop9h 19m
Wed 30/95:51 p.m. -
Nonstop4h 08m
Deal found 8/9C$ 418
Sat 3/107:20 a.m. -
1 stop16h 13m
Sun 11/1011:41 p.m. -
Nonstop3h 59m
Deal found 5/9C$ 405
Sat 3/1010:32 a.m. -
2 stops12h 43m
Sun 11/105:07 p.m. -
Nonstop4h 03m
Deal found 6/9C$ 425
Thu 8/107:49 p.m. -
1 stop15h 39m
Sun 11/1011:41 p.m. -
Nonstop3h 59m
Deal found 5/9C$ 423
Fri 9/107:49 p.m. -
1 stop15h 39m
Sun 11/1011:41 p.m. -
Nonstop3h 59m
Deal found 6/9C$ 401
Thu 15/107:16 p.m. -
Nonstop4h 43m
Sun 18/108:07 p.m. -
1 stop15h 18m
Deal found 7/9C$ 386
Fri 30/102:03 p.m. -
1 stop6h 59m
Thu 5/119:35 p.m. -
1 stop24h 15m
Deal found 7/9C$ 400
Fri 30/102:03 p.m. -
1 stop10h 02m
Fri 6/119:35 p.m. -
2 stops15h 01m
Deal found 7/9C$ 407
One-way flights from O'Hare Intl to Seattle
Search for one-way flight options from O'Hare Intl to Seattle. Find affordable one-way fares based on user searches. Data last updated 9 September 2026.
Sat 6/36:00 a.m. -
Nonstop4h 39m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 6/9C$ 205
Sat 3/1010:32 a.m. -
2 stops12h 43m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 6/9C$ 219
Wed 30/912:55 p.m. -
1 stop9h 42m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 8/9C$ 226
Wed 21/107:20 a.m. -
1 stop8h 57m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 8/9C$ 233
Fri 6/117:00 a.m. -
Nonstop4h 50m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 8/9C$ 234
Wed 30/96:00 a.m. -
Nonstop4h 30m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 6/9C$ 247
Fri 18/98:55 p.m. -
1 stop14h 47m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 5/9C$ 248
Mon 8/31:30 p.m. -
1 stop8h 40m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 9/9C$ 254
Sat 26/98:12 p.m. -
Nonstop4h 44m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 5/9C$ 261
Find flight deals from O'Hare Intl to Seattle
Discover tips and strategies to find the most affordable flight options for your journey from O'Hare Intl (ORD) to Seattle (SEA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 9 September 2026.
Customize your flight search to find flights from O'Hare Intl to Seattle that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated 9 September 2026.
Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Seattle that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
Cheapest round-trip
ChicagoSeattle
ORD Chicago O'Hare Intl - SEA Seattle/Tacoma Intl
ORDSEA
Chicago O'Hare Intl
Sat 3/10
10:32 a.m.-9:15 p.m.
2 stops12h 43m
Seattle/Tacoma Intl
Wed 31/12
12:00 a.m.-2:00 a.m.
Nonstop0h 00m
C$ 219
ChicagoSeattle
ORD Chicago O'Hare Intl - SEA Seattle/Tacoma Intl
ORDSEA
Chicago O'Hare Intl
Wed 30/9
6:25 a.m.-2:53 p.m.
1 stop10h 28m
Seattle/Tacoma Intl
Wed 31/12
12:00 a.m.-2:00 a.m.
Nonstop0h 00m
C$ 267
ChicagoSeattle
ORD Chicago O'Hare Intl - SEA Seattle/Tacoma Intl
ORDSEA
Chicago O'Hare Intl
Wed 7/10
7:20 a.m.-4:04 p.m.
2 stops10h 44m
Seattle/Tacoma Intl
Wed 31/12
12:00 a.m.-2:00 a.m.
Nonstop0h 00m
C$ 277
ChicagoSeattle
ORD Chicago O'Hare Intl - SEA Seattle/Tacoma Intl
ORDSEA
Chicago O'Hare Intl
Wed 25/11
7:38 p.m.-9:23 a.m.
1 stop15h 45m
Seattle/Tacoma Intl
Wed 31/12
12:00 a.m.-2:00 a.m.
Nonstop0h 00m
C$ 287
ChicagoSeattle
ORD Chicago O'Hare Intl - SEA Seattle/Tacoma Intl
ORDSEA
Chicago O'Hare Intl
Mon 5/10
7:20 a.m.-5:33 p.m.
2 stops12h 13m
Seattle/Tacoma Intl
Wed 31/12
12:00 a.m.-2:00 a.m.
Nonstop0h 00m
C$ 303
ChicagoSeattle
ORD Chicago O'Hare Intl - SEA Seattle/Tacoma Intl
ORDSEA
Chicago O'Hare Intl
Sat 19/9
5:44 p.m.-8:20 p.m.
Nonstop4h 36m
Seattle/Tacoma Intl
Wed 31/12
12:00 a.m.-2:00 a.m.
Nonstop0h 00m
C$ 323
ChicagoSeattle
ORD Chicago O'Hare Intl - SEA Seattle/Tacoma Intl
ORDSEA
Chicago O'Hare Intl
Tue 29/9
7:00 a.m.-9:35 a.m.
Nonstop4h 35m
Seattle/Tacoma Intl
Wed 31/12
12:00 a.m.-2:00 a.m.
Nonstop0h 00m
C$ 323
Quickest round-trip
ChicagoSeattle
ORD Chicago O'Hare Intl - SEA Seattle/Tacoma Intl
ORDSEA
Chicago O'Hare Intl
Sat 19/9
8:00 a.m.-10:34 a.m.
Nonstop4h 34m
Seattle/Tacoma Intl
Wed 31/12
12:00 a.m.-2:00 a.m.
Nonstop0h 00m
C$ 323
ChicagoSeattle
ORD Chicago O'Hare Intl - SEA Seattle/Tacoma Intl
ORDSEA
Chicago O'Hare Intl
Fri 25/9
7:00 a.m.-9:35 a.m.
Nonstop4h 35m
Seattle/Tacoma Intl
Wed 31/12
12:00 a.m.-2:00 a.m.
Nonstop0h 00m
C$ 323
ChicagoSeattle
ORD Chicago O'Hare Intl - SEA Seattle/Tacoma Intl
ORDSEA
Chicago O'Hare Intl
Fri 9/10
7:16 p.m.-9:59 p.m.
Nonstop4h 43m
Seattle/Tacoma Intl
Sun 11/10
9:08 p.m.-1:25 p.m.
1 stop14h 17m
C$ 386
Flights are sorted by cheapest round-trip flights first.
Deals found on 7/9
Showing 1-10 of 20 resultsSorted by cheapest first
1
2
Best time to book a flight from O'Hare Intl to Seattle
Have a flexible travel schedule? Discover the best time to fly to Seattle from O'Hare Intl with our price prediction graph.
ORD-SEA
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Chicago O'Hare Intl Airport to Seattle
Prices
Airlines
How far ahead should I book a flight from Chicago O'Hare Intl Airport to Seattle?
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 34 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
What is the cheapest month to book a flight from Chicago O'Hare Intl Airport to Seattle?
Currently, January is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Seattle (average of C$ 301). Flying from Chicago O'Hare Intl Airport to Seattle in July is currently the most expensive (average of C$ 563). 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.
What is the cheapest time of day to fly from ORD to SEA?
Find hourly flight availability from O'Hare Intl to Seattle. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 9 September 2026.
It’s typically best to fly out from Chicago O'Hare Intl Airport to Seattle at noon. Doing so could potentially save you 51% on the flight price compared to flying in the morning, which is usually more expensive.
How much does it cost to fly round-trip from Chicago O'Hare Intl Airport to Seattle?
Airfare is below average for this route at the moment.
Chicago O'Hare Intl Airport to Seattle flights typically cost between C$ 411 and C$ 605 in October.The cheapest round-trip price found within the last 5 days was C$ 386 on Alaska Airlines (15 Oct-18 Oct).
Weekly flight availability from Chicago O'Hare Intl Airport to Seattle
Explore weekly flight availability from O'Hare Intl to Seattle. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 9 September 2026.
The most flights from ORD to SEA are scheduled on a Tuesday (49 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (14 on average).
Related info for your journey
Find useful and relevant information for your journey from O'Hare Intl to Seattle. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
What airport do you fly into for flights to Seattle from Chicago O'Hare Intl?
Located just 18.4 km from the city centre, Seattle/Tacoma Intl is the airport most travellers will use when flying to Seattle from Chicago O'Hare Intl. Booking flights from Chicago O'Hare Intl to Seattle/Tacoma Intl (SEA) should be relatively easy as there are 22 daily inbound flights from Chicago O'Hare Intl from 0 different airlines.
How long is the flight from Chicago O'Hare Intl Airport to Seattle?
There are many flights that can get you from Chicago O'Hare Intl Airport to Seattle in 4h 47m. Fly via Alaska Airlines or United Airlines to get the fastest option. The distance from Chicago O'Hare Intl Airport to Seattle is about 2760 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.
What are the most reliable airlines from Chicago O'Hare Intl Airport to Seattle?
The top 3 most reliable airlines when flying from Chicago O'Hare Intl Airport to Seattle are Qatar Airways (69%), American Airlines (67%) and Royal Jordanian (67%).
Can I find deals for flights from O'Hare Intl to Seattle that include hotel bookings?
Yes. In addition to deals on O'Hare Intl to Seattle flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from O'Hare Intl to Seattle?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from O'Hare Intl to Seattle.
Can I find deals for business class flights from O'Hare Intl to Seattle?
Yes. Cheapflights offers flight deals from O'Hare Intl to Seattle by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Chicago O'Hare Intl Airport to Seattle?
Currently, January is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Seattle (average of C$ 301). Flying from Chicago O'Hare Intl Airport to Seattle in July is currently the most expensive (average of C$ 563). 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.
Browse through other flights departing from O'Hare Intl. Flights are based on user searches made on Cheapflights and were last updated on 9 September 2026.
Explore flights to Seattle departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 9 September 2026.
Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.
How does Cheapflights help users find flights from O'Hare Intl to Seattle?
Cheapflights makes it easy to find O'Hare Intl to Seattle flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.
Why should you use Cheapflights to find cheap flight tickets from O'Hare Intl to Seattle?
Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from O'Hare Intl to Seattle for you. Better yet — we are completely free to use.
Can Cheapflights find flights from O'Hare Intl to Seattle with no change fees?
Users can book flights with no change fees policies with our dedicated filters. Book flights from O'Hare Intl to Seattle flexibly with Cheapflights today.
Can Cheapflights notify me if prices for flights from O'Hare Intl to Seattle become cheaper?
Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!
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