Cheap flights from Chicago O'Hare Intl Airport to Seattle from C$ 203
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 6/1. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — SEA
24 Nov — 1 Dec1
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 Friday
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 25 October 2026.
Fri 13/117:57 p.m. -
1 stop20h 48m
Sat 14/115:51 p.m. -
Nonstop4h 08m
Deal found 23/10C$ 388
Thu 24/126:00 a.m. -
Nonstop4h 54m
Tue 29/127:15 a.m. -
Nonstop4h 17m
Deal found 23/10C$ 394
Fri 25/129:01 a.m. -
Nonstop4h 59m
Mon 11/18:11 a.m. -
Nonstop4h 10m
Deal found 23/10C$ 401
Fri 13/119:25 a.m. -
Nonstop4h 54m
Mon 16/117:00 a.m. -
Nonstop4h 10m
Deal found 23/10C$ 408
Tue 22/126:00 a.m. -
Nonstop5h 00m
Wed 6/15:50 p.m. -
Nonstop4h 09m
Deal found 21/10C$ 410
Thu 24/122:17 p.m. -
1 stop9h 27m
Thu 14/111:45 a.m. -
Nonstop4h 14m
Deal found 23/10C$ 415
Fri 25/126:57 p.m. -
Nonstop4h 59m
Tue 12/112:00 p.m. -
1 stop8h 08m
Deal found 23/10C$ 422
Tue 22/126:57 p.m. -
Nonstop4h 59m
Tue 5/110:05 a.m. -
1 stop10h 03m
Deal found 21/10C$ 424
Thu 12/112:15 p.m. -
1 stop10h 42m
Mon 16/119:59 p.m. -
1 stop13h 10m
Deal found 23/10C$ 429
Thu 24/122:17 p.m. -
1 stop9h 27m
Tue 12/110:05 a.m. -
1 stop10h 03m
Deal found 23/10C$ 436
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 25 October 2026.
Mon 21/122:27 p.m. -
Nonstop4h 48m
Tue 29/125:52 p.m. -
Nonstop4h 07m
Deal found 23/10C$ 394
Wed 20/18:00 a.m. -
Nonstop4h 47m
Wed 3/28:11 a.m. -
Nonstop4h 10m
Deal found 23/10C$ 410
Mon 9/118:20 p.m. -
Nonstop4h 47m
Wed 11/1112:20 p.m. -
1 stop7h 40m
Deal found 22/10C$ 424
Thu 7/112:40 p.m. -
Nonstop4h 39m
Thu 14/15:45 p.m. -
Nonstop4h 01m
Deal found 20/10C$ 410
Tue 1/123:19 p.m. -
Nonstop4h 52m
Mon 7/127:05 a.m. -
1 stop9h 55m
Deal found 22/10C$ 424
Mon 16/118:20 p.m. -
Nonstop4h 47m
Fri 20/117:00 a.m. -
Nonstop4h 10m
Deal found 21/10C$ 472
Thu 19/1112:58 p.m. -
Nonstop4h 38m
Mon 23/1110:39 a.m. -
Nonstop4h 08m
Deal found 24/10C$ 461
Wed 25/116:54 p.m. -
Nonstop5h 02m
Fri 27/115:50 p.m. -
Nonstop4h 09m
Deal found 24/10C$ 461
Tue 22/129:01 a.m. -
Nonstop4h 59m
Tue 29/127:59 p.m. -
1 stop15h 11m
Deal found 24/10C$ 475
Sat 19/126:00 a.m. -
Nonstop5h 00m
Mon 21/129:09 p.m. -
1 stop14h 10m
Deal found 24/10C$ 475
Thu 24/122:17 p.m. -
1 stop9h 27m
Sat 2/18:07 a.m. -
Nonstop4h 14m
Deal found 21/10C$ 483
Wed 25/117:26 a.m. -
1 stop11h 19m
Mon 30/1111:58 p.m. -
Nonstop3h 58m
Deal found 20/10C$ 483
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 25 October 2026.
Thu 24/126:00 a.m. -
Nonstop4h 54m
Tue 29/127:15 a.m. -
Nonstop4h 17m
Deal found 23/10C$ 394
Fri 25/129:01 a.m. -
Nonstop4h 59m
Mon 11/18:11 a.m. -
Nonstop4h 10m
Deal found 23/10C$ 401
Fri 13/119:25 a.m. -
Nonstop4h 54m
Mon 16/117:00 a.m. -
Nonstop4h 10m
Deal found 23/10C$ 408
Tue 22/126:57 p.m. -
Nonstop4h 59m
Tue 5/111:45 a.m. -
Nonstop4h 14m
Deal found 21/10C$ 410
Fri 18/1212:58 p.m. -
Nonstop4h 33m
Wed 23/127:15 a.m. -
Nonstop4h 17m
Deal found 23/10C$ 452
Thu 26/116:00 a.m. -
Nonstop4h 41m
Thu 26/1111:40 a.m. -
Nonstop4h 16m
Deal found 24/10C$ 454
Mon 23/118:20 p.m. -
Nonstop4h 47m
Fri 27/117:00 a.m. -
Nonstop4h 10m
Deal found 23/10C$ 459
Thu 3/125:55 p.m. -
Nonstop4h 47m
Sat 5/1210:39 a.m. -
Nonstop4h 11m
Deal found 24/10C$ 461
Sat 19/126:57 p.m. -
Nonstop4h 59m
Sat 2/18:07 a.m. -
Nonstop4h 14m
Deal found 21/10C$ 469
Fri 18/1212:58 p.m. -
Nonstop4h 33m
Wed 6/15:45 p.m. -
Nonstop4h 01m
Deal found 21/10C$ 471
Fri 8/16:30 a.m. -
Nonstop4h 45m
Tue 12/15:45 p.m. -
Nonstop4h 01m
Deal found 20/10C$ 472
Tue 17/1112:58 p.m. -
Nonstop4h 38m
Thu 19/1110:39 a.m. -
Nonstop4h 08m
Deal found 21/10C$ 483
Last-minute flights from O'Hare Intl to Seattle
Discover last-minute flight deals from O'Hare Intl to Seattle. Data last updated 25 October 2026 and is based on user searches.
Thu 12/1112:58 p.m. -
Nonstop4h 38m
Mon 16/115:55 p.m. -
Nonstop4h 04m
Deal found 23/10C$ 394
Thu 12/112:15 p.m. -
1 stop10h 42m
Mon 16/119:59 p.m. -
1 stop13h 10m
Deal found 23/10C$ 429
Fri 13/117:57 p.m. -
1 stop20h 48m
Sat 14/115:51 p.m. -
Nonstop4h 08m
Deal found 23/10C$ 388
Fri 13/119:25 a.m. -
Nonstop4h 54m
Mon 16/117:00 a.m. -
Nonstop4h 10m
Deal found 23/10C$ 408
Thu 19/112:15 p.m. -
1 stop9h 14m
Mon 23/114:37 p.m. -
1 stop6h 16m
Deal found 24/10C$ 436
Thu 19/117:20 a.m. -
1 stop11h 36m
Mon 23/116:00 a.m. -
1 stop12h 03m
Deal found 21/10C$ 438
Thu 19/116:30 a.m. -
2 stops14h 03m
Mon 23/114:37 p.m. -
1 stop6h 16m
Deal found 24/10C$ 444
Wed 25/113:19 p.m. -
Nonstop4h 52m
Mon 30/1111:58 p.m. -
Nonstop3h 58m
Deal found 21/10C$ 410
Wed 25/116:00 a.m. -
Nonstop4h 41m
Tue 1/129:12 a.m. -
1 stop7h 48m
Deal found 21/10C$ 424
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 25 October 2026.
Wed 6/16:10 a.m. -
1 stop28h 59m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 22/10C$ 203
Mon 9/1112:58 p.m. -
Nonstop4h 38m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 24/10C$ 204
Mon 7/127:55 p.m. -
Nonstop4h 48m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 21/10C$ 206
Sat 9/17:30 a.m. -
1 stop29h 08m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 22/10C$ 209
Tue 2/312:51 p.m. -
1 stop9h 36m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 23/10C$ 211
Tue 17/1110:34 a.m. -
1 stop10h 43m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 21/10C$ 213
Thu 17/125:45 p.m. -
1 stop7h 31m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 23/10C$ 218
Wed 25/113:56 p.m. -
1 stop9h 19m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 20/10C$ 220
Mon 30/119:01 p.m. -
1 stop14h 31m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 22/10C$ 227
Mon 23/115:15 a.m. -
1 stop9h 22m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 22/10C$ 228
Sat 21/118:20 p.m. -
Nonstop4h 47m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 24/10C$ 231
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 25 October 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 25 October 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
Wed 18/11
7:00 a.m.-9:50 a.m.
Nonstop4h 50m
Seattle/Tacoma Intl
Wed 31/12
12:00 a.m.-2:00 a.m.
Nonstop0h 00m
C$ 206
ChicagoSeattle
ORD Chicago O'Hare Intl - SEA Seattle/Tacoma Intl
ORDSEA
Chicago O'Hare Intl
Wed 23/12
6:00 a.m.-8:54 a.m.
Nonstop4h 54m
Seattle/Tacoma Intl
Wed 31/12
12:00 a.m.-2:00 a.m.
Nonstop0h 00m
C$ 206
ChicagoSeattle
ORD Chicago O'Hare Intl - SEA Seattle/Tacoma Intl
ORDSEA
Chicago O'Hare Intl
Sat 21/11
8:20 p.m.-11:07 p.m.
Nonstop4h 47m
Seattle/Tacoma Intl
Wed 31/12
12:00 a.m.-2:00 a.m.
Nonstop0h 00m
C$ 206
ChicagoSeattle
ORD Chicago O'Hare Intl - SEA Seattle/Tacoma Intl
ORDSEA
Chicago O'Hare Intl
Thu 7/1
6:57 p.m.-9:42 p.m.
Nonstop4h 45m
Seattle/Tacoma Intl
Wed 31/12
12:00 a.m.-2:00 a.m.
Nonstop0h 00m
C$ 206
ChicagoSeattle
ORD Chicago O'Hare Intl - SEA Seattle/Tacoma Intl
ORDSEA
Chicago O'Hare Intl
Tue 5/1
8:00 a.m.-10:47 a.m.
Nonstop4h 47m
Seattle/Tacoma Intl
Wed 31/12
12:00 a.m.-2:00 a.m.
Nonstop0h 00m
C$ 206
ChicagoSeattle
ORD Chicago O'Hare Intl - SEA Seattle/Tacoma Intl
ORDSEA
Chicago O'Hare Intl
Mon 7/12
6:00 a.m.-8:57 a.m.
Nonstop4h 57m
Seattle/Tacoma Intl
Wed 31/12
12:00 a.m.-2:00 a.m.
Nonstop0h 00m
C$ 206
ChicagoSeattle
ORD Chicago O'Hare Intl - SEA Seattle/Tacoma Intl
ORDSEA
Chicago O'Hare Intl
Sat 9/1
6:57 p.m.-9:42 p.m.
Nonstop4h 45m
Seattle/Tacoma Intl
Wed 31/12
12:00 a.m.-2:00 a.m.
Nonstop0h 00m
C$ 206
ChicagoSeattle
ORD Chicago O'Hare Intl - SEA Seattle/Tacoma Intl
ORDSEA
Chicago O'Hare Intl
Mon 4/1
2:17 p.m.-11:44 p.m.
1 stop11h 27m
Seattle/Tacoma Intl
Wed 31/12
12:00 a.m.-2:00 a.m.
Nonstop0h 00m
C$ 220
Quickest round-trip
ChicagoSeattle
ORD Chicago O'Hare Intl - SEA Seattle/Tacoma Intl
ORDSEA
Chicago O'Hare Intl
Fri 13/11
12:58 p.m.-3:36 p.m.
Nonstop4h 38m
Seattle/Tacoma Intl
Wed 31/12
12:00 a.m.-2:00 a.m.
Nonstop0h 00m
C$ 266
ChicagoSeattle
ORD Chicago O'Hare Intl - SEA Seattle/Tacoma Intl
ORDSEA
Chicago O'Hare Intl
Fri 27/11
6:40 a.m.-9:30 a.m.
Nonstop4h 50m
Seattle/Tacoma Intl
Wed 31/12
12:00 a.m.-2:00 a.m.
Nonstop0h 00m
C$ 267
Flights are sorted by cheapest round-trip flights first.
Deals found on 23/10
Showing 1-10 of 22 resultsSorted by cheapest first
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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$ 298). Flying from Chicago O'Hare Intl Airport to Seattle in July is currently the most expensive (average of C$ 573). 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 25 October 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$ 424 and C$ 666 in November.The cheapest round-trip price found within the last 5 days was C$ 388 on Alaska Airlines (13 Nov-14 Nov).
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 25 October 2026.
The most flights from ORD to SEA are scheduled on a Friday (52 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (18 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 24 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 38m. Fly via Alaska Airlines, United Airlines, or Delta to get the fastest option. The distance from Chicago O'Hare Intl Airport to Seattle is about 2760 km. Most flights are nonstop.
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 KLM (100%), Korean Air (78%) and Royal Jordanian (74%).
What are the cheapest flights from Chicago O'Hare Intl Airport to Seattle?
On average you can expect to pay C$ 379 for a flight from Chicago O'Hare Intl Airport to Seattle. The cheapest flight overall is C$ 222 while the most popular route, (Chicago O'Hare Intl - Seattle/Tacoma Intl) is currently priced at C$ 665.
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$ 298). Flying from Chicago O'Hare Intl Airport to Seattle in July is currently the most expensive (average of C$ 573). 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 25 October 2026.
Explore flights to Seattle departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 25 October 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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