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Cheap flights from Seattle to Chicago O'Hare Intl Airport from C$ 135

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/3. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — ORD
22 ene. — 29 ene.1
1 adult

The best prices from Seattle/Tacoma Intl to Chicago O'Hare Intl are usually found in February or January, booked 89 days in advance, depart on a Tuesday or Thursday and return on a Wednesday

Cheap flight deals from Seattle to O'Hare Intl

Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to O'Hare Intl (ORD). 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 17 enero 2025.

Round-trip from

C$ 256

One-way from

C$ 135

Popular in

December

Cheapest in

February

Average price

C$ 341
Delta
  • Delta
  • 20/2-4/3
  • Nonstop
  • 8h 59m total
  • Seattle to Chicago
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Alaska Airlines
  • Alaska Airlines
  • 2/3
  • Nonstop
  • 3h 54m total
  • Seattle to Chicago
Search Deals
High demand for flights, 6% potential price rise
Search Deals
Best time to find cheap flights, 3% potential price drop
Search Deals
Average for round-trip flights in January 2025
Search Deals

Find flight deals from Seattle to O'Hare Intl

Cheapest flights from Seattle to O'Hare Intl
Explore the most affordable flight options available from Seattle to O'Hare Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 enero 2025.

jue. 20/25:55 p.m.SEA - ORD
Nonstop4h 01mDelta
mar. 4/37:00 a.m.ORD - SEA
Nonstop4h 58mDelta
Deal found 16/1C$ 256
mié. 12/311:59 p.m.SEA - ORD
Nonstop4h 00mAmerican Airlines
mié. 19/38:25 p.m.ORD - SEA
Nonstop4h 42mAmerican Airlines
Deal found 15/1C$ 259
mar. 18/211:59 p.m.SEA - ORD
Nonstop3h 54mUnited Airlines
vie. 21/28:45 a.m.ORD - SEA
1 stop9h 03mUnited Airlines
Deal found 16/1C$ 264
sáb. 8/29:59 p.m.SEA - ORD
1 stop13h 08mAlaska Airlines
sáb. 15/25:56 p.m.ORD - SEA
Nonstop4h 41mAlaska Airlines
Deal found 15/1C$ 270
jue. 1/56:00 a.m.SEA - ORD
1 stop6h 26mMultiple Airlines
lun. 5/56:45 a.m.ORD - SEA
1 stop18h 25mMultiple Airlines
Deal found 16/1C$ 322
mié. 2/46:40 a.m.SEA - ORD
2 stops13h 55mSouthwest
lun. 7/42:50 p.m.ORD - SEA
1 stop11h 40mSouthwest
Deal found 16/1C$ 400
jue. 3/711:59 p.m.SEA - ORD
1 stop17h 12mSun Country Air
dom. 6/78:10 p.m.ORD - SEA
1 stop28h 40mSun Country Air
Deal found 16/1C$ 496

Find flights from Seattle to O'Hare Intl within your budget

Customize your flight search to find flights from Seattle to O'Hare Intl 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 629,999 searches. Data last updated 17 enero 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

SeattleChicago

SEA - ORD

SEAORD

Seattle/Tacoma Intl

jue. 20/2

11:59 p.m.-5:53 a.m.

Nonstop3h 54m

Chicago O'Hare Intl

mar. 25/2

5:54 p.m.-8:35 p.m.

Nonstop4h 41m

C$ 256

SeattleChicago

SEA - ORD

SEAORD

Seattle/Tacoma Intl

sáb. 8/2

7:25 a.m.-1:30 p.m.

Nonstop4h 05m

Chicago O'Hare Intl

sáb. 15/2

7:00 a.m.-9:55 a.m.

Nonstop4h 55m

C$ 257

SeattleChicago

SEA - ORD

SEAORD

Seattle/Tacoma Intl

mié. 12/3

11:59 p.m.-5:59 a.m.

Nonstop4h 00m

Chicago O'Hare Intl

mié. 19/3

8:25 p.m.-11:07 p.m.

Nonstop4h 42m

C$ 259

SeattleChicago

SEA - ORD

SEAORD

Seattle/Tacoma Intl

mar. 18/2

11:59 p.m.-5:53 a.m.

Nonstop3h 54m

Chicago O'Hare Intl

vie. 21/2

8:45 a.m.-3:48 p.m.

1 stop9h 03m

C$ 264

SeattleChicago

SEA - ORD

SEAORD

Seattle/Tacoma Intl

jue. 1/5

6:00 a.m.-2:26 p.m.

1 stop6h 26m

Chicago O'Hare Intl

lun. 5/5

6:45 a.m.-11:10 p.m.

1 stop18h 25m

C$ 322

SeattleChicago

SEA - ORD

SEAORD

Seattle/Tacoma Intl

mié. 2/4

6:40 a.m.-10:35 p.m.

2 stops13h 55m

Chicago O'Hare Intl

lun. 7/4

2:50 p.m.-12:30 a.m.

1 stop11h 40m

C$ 400

SeattleChicago

SEA - ORD

SEAORD

Seattle/Tacoma Intl

jue. 3/7

11:59 p.m.-7:11 p.m.

1 stop17h 12m

Chicago O'Hare Intl

dom. 6/7

8:10 p.m.-10:50 p.m.

1 stop28h 40m

C$ 496

SeattleChicago

SEA - ORD

SEAORD

Seattle/Tacoma Intl

dom. 2/3

11:59 p.m.-5:53 a.m.

Nonstop3h 54m

C$ 135

SeattleChicago

SEA - ORD

SEAORD

Seattle/Tacoma Intl

jue. 20/3

6:15 a.m.-5:10 p.m.

1 stop8h 55m

C$ 142

SeattleChicago

SEA - ORD

SEAORD

Seattle/Tacoma Intl

mar. 18/2

5:38 p.m.-5:28 a.m.

1 stop9h 50m

C$ 168

Flights are sorted by cheapest round-trip flights first.

Deals found on 16/1

Showing 1-10 of 14 results
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Best time to book a flight from Seattle to O'Hare Intl

Have a flexible travel schedule? Discover the best time to fly to O'Hare Intl from Seattle with our price prediction graph.
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.

Travel insights for flights from Seattle to O'Hare Intl

Get recent, data-driven insights about flights from Seattle to O'Hare Intl including ideal travel times, pricing trends, and more.

How far ahead should I book a flight from Seattle to Chicago O'Hare Intl Airport?

Use this chart to determine the optimal time to book a round-trip flight from Seattle to O'Hare Intl. Price data was last updated on 10 January 2025.

Booking 89 days in advance of your planned departure date is, on average, the best time to get cheap flights from Seattle to Chicago O'Hare Intl Airport. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Seattle to Chicago O'Hare Intl Airport?

Currently, January is the cheapest month in which you can book a flight from Seattle to Chicago O'Hare Intl Airport (average of C$ 261). Flying from Seattle to Chicago O'Hare Intl Airport in March is currently the most expensive (average of C$ 355). 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 SEA to ORD?

Find hourly flight availability from Seattle to O'Hare Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 17 enero 2025.

One of the essential ways to save on airfare from Seattle to Chicago O'Hare Intl Airport 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.

Weekly flight availability from Seattle to Chicago O'Hare Intl Airport

Explore weekly flight availability from Seattle to O'Hare Intl. 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 17 enero 2025.

The most flights from SEA to ORD are scheduled on a Wednesday (32 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (14 on average).

Rainfall in O'Hare Intl by month

Plan your trip to O'Hare Intl by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Chicago O'Hare Intl Airport ranges from 43.0 - 125.0 mm per month. August is typically the wettest month, when rainfall can reach 125.0 mm. January is typically the driest time to visit Chicago O'Hare Intl Airport when rainfall is around 43.0 mm.

Temperature in O'Hare Intl by month

Plan your trip to O'Hare Intl by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Chicago O'Hare Intl Airport, 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 23.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -5.0 C).

Reviews of airlines servicing O'Hare Intl

Get insights into the airlines that provide service to O'Hare Intl. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to O'Hare Intl. Reviews last updated 17 enero 2025.
Get a feel of what it's like to fly with Alaska Airlines, Delta and United Airlines from Seattle to Chicago by reading reviews from past customers. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
4,659 reviews
Check prices

Entertainment

7.7

Comfort

8.1

Overall

8.1

Boarding

8.2

Crew

8.7

Food

7.2

Reviews

1 / 10

We BARELY made the connection and when we got onboard we were treated like disobedient children who should have arrived earlier because we had to ask other passengers to move so we could sit with our kids. The flight attendants on the first flight were nice but the second one, they were snippy and fairly rude.

Southwest
8.1
Very good
4,659 reviews
Southwest
8.1
Very good
4,659 reviews
Check prices

Entertainment

7.7

Comfort

8.1

Overall

8.1

Boarding

8.2

Crew

8.7

Food

7.2

Reviews

1 / 10

We BARELY made the connection and when we got onboard we were treated like disobedient children who should have arrived earlier because we had to ask other passengers to move so we could sit with our kids. The flight attendants on the first flight were nice but the second one, they were snippy and fairly rude.

Alaska Airlines
8.0
Very good
9,681 reviews
Southwest
8.1
Very good
4,659 reviews
Check prices

Entertainment

7.7

Comfort

8.1

Overall

8.1

Boarding

8.2

Crew

8.7

Food

7.2

Reviews

1 / 10

We BARELY made the connection and when we got onboard we were treated like disobedient children who should have arrived earlier because we had to ask other passengers to move so we could sit with our kids. The flight attendants on the first flight were nice but the second one, they were snippy and fairly rude.

Delta
8.0
Very good
8,511 reviews
Southwest
8.1
Very good
4,659 reviews
Check prices

Entertainment

7.7

Comfort

8.1

Overall

8.1

Boarding

8.2

Crew

8.7

Food

7.2

Reviews

1 / 10

We BARELY made the connection and when we got onboard we were treated like disobedient children who should have arrived earlier because we had to ask other passengers to move so we could sit with our kids. The flight attendants on the first flight were nice but the second one, they were snippy and fairly rude.

United Airlines
7.4
Good
8,964 reviews
Southwest
8.1
Very good
4,659 reviews
Check prices

Entertainment

7.7

Comfort

8.1

Overall

8.1

Boarding

8.2

Crew

8.7

Food

7.2

Reviews

1 / 10

We BARELY made the connection and when we got onboard we were treated like disobedient children who should have arrived earlier because we had to ask other passengers to move so we could sit with our kids. The flight attendants on the first flight were nice but the second one, they were snippy and fairly rude.

American Airlines
7.2
Good
10,000 reviews
Southwest
8.1
Very good
4,659 reviews
Check prices

Entertainment

7.7

Comfort

8.1

Overall

8.1

Boarding

8.2

Crew

8.7

Food

7.2

Reviews

1 / 10

We BARELY made the connection and when we got onboard we were treated like disobedient children who should have arrived earlier because we had to ask other passengers to move so we could sit with our kids. The flight attendants on the first flight were nice but the second one, they were snippy and fairly rude.

Related info for your journey

Find useful and relevant information for your journey from Seattle to O'Hare Intl. 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 from for flights from Seattle to Chicago O'Hare Intl?

    Seattle/Tacoma Intl (SEA), located 18.4 km from the city centre, is the airport you fly out of when you book flights from Seattle to Chicago O'Hare Intl. 2 airlines have flights from Seattle/Tacoma Intl to Chicago O'Hare Intl on a regular basis. Booking flights from Seattle/Tacoma Intl to Chicago O'Hare Intl should not be difficult; the airport handles an average of 23 outbound flights to Chicago O'Hare Intl per day.

  • What are the cheapest airlines flying from Seattle to Chicago O'Hare Intl Airport round-trip?

    Delta, at C$ 256, was found to be the cheapest airline from Seattle to Chicago O'Hare Intl Airport.Alternate airlines to your destination round-trip include American Airlines and United Airlines. Delta is 41% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the cheapest airlines to fly from Seattle to Chicago O'Hare Intl Airport one-way?

    One-way options have recently been found by users for as low as C$ 135 on Alaska Airlines. Other airlines that offer cheap prices include United Airlines from C$ 142 and Spirit Airlines from C$ 168 one-way.

  • What are the most reliable airlines from Seattle to Chicago O'Hare Intl Airport?

    The top 3 most reliable airlines when flying from Seattle to Chicago O'Hare Intl Airport are Royal Jordanian (100%), Iberia (92%) and Singapore Airlines (91%).

  • What are the cheapest flights from Seattle to Chicago O'Hare Intl Airport?

    Looking at all options, your cheapest flight can be booked for C$ 212. While the most popular route (Seattle/Tacoma Intl - Chicago O'Hare Intl) can be booked for C$ 280 on average our data indicates C$ 850 when flying from Seattle to Chicago O'Hare Intl Airport.

  • Can I find deals for flights from Seattle to O'Hare Intl that include hotel bookings?

    Yes. In addition to deals on Seattle to O'Hare Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Seattle to O'Hare Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Seattle to O'Hare Intl.

  • Can I find deals for business class flights from Seattle to O'Hare Intl?

    Yes. Cheapflights offers flight deals from Seattle to O'Hare Intl 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 Seattle to Chicago O'Hare Intl Airport?

    Currently, January is the cheapest month in which you can book a flight from Seattle to Chicago O'Hare Intl Airport (average of C$ 261). Flying from Seattle to Chicago O'Hare Intl Airport in March is currently the most expensive (average of C$ 355). 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.

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Top 2 airlines flying from Seattle to O'Hare Intl

Discover the top 2 airlines that operate flights from Seattle to O'Hare Intl. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 17 enero 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapestC$ 121AverageC$ 298FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Alaska AirlinesCheapestC$ 182AverageC$ 345FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Seattle to O'Hare Intl?

Cheapflights makes it easy to find Seattle to O'Hare Intl 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 Seattle to O'Hare Intl?

Cheapflights simply makes it quick and affordable to book flights from Seattle to O'Hare Intl by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Seattle to O'Hare Intl with no change fees?

Certainly. Search results for flights to O'Hare Intl from Seattle shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Seattle to O'Hare Intl become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to O'Hare Intl from Seattle today and book when prices fit your budget.

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