Cheap flights from O'Hare Intl (ORD) to Seattle (SEA) from $45

This is the cheapest one-way flight price, found on 9/27. Prices may vary by date and flight preferences.
ORD — SEA
oct. 3 — oct. 101

How to find the cheapest flight from O'Hare Intl (ORD) to Seattle (SEA)

All the information you need to plan the best ORD to SEA flight in 2023: compare O'Hare Intl to Seattle flight prices with the expected peak season, weather and rainfall in Seattle.

Popular in

July

Cheapest in

February

Round-trip from

$237

One-way from

$83
High demand for flights, 33% potential price rise
Best time to find cheap flights, 32% potential price drop
From Chicago O'Hare Intl to Seattle/Tacoma Intl
One-way flight from Chicago O'Hare Intl to Seattle/Tacoma Intl

ORD - SEA

Price

$237 - $457

SEA

Temperature

41 - 66.2 °F

SEA

Rainfall

0.7 - 6.6 inches

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

To save on the cost of your flight from Chicago O'Hare Intl Airport to Seattle, book at least 22 days before your planned departure. Booking around this time can save you about 22% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $399 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $495.

What is the cheapest month to fly from Chicago O'Hare Intl Airport to Seattle?

Due to multiple factors, expect to potentially pay more when booking in June. For low rates, January can be a great choice for travel to Seattle. Flights to Seattle from Chicago O'Hare Intl Airport in January are about $346 on average during January, but can be found for as low as $158.

When is the cheapest time to fly from Chicago O'Hare Intl Airport to Seattle (ORD - SEA)?

When flying from Chicago O'Hare Intl Airport to Seattle, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Cheap Delta flights from O'Hare Intl to Seattle

Take a look at some of the lowest-priced Delta flights heading from Chicago to Seattle. Come back soon if you're not finding the exact deal you're looking for.
  • One of the most popular airlines traveling from Chicago O'Hare Intl Airport to Seattle is Delta. Flights from Delta traveling this route typically cost $327.80 RT. This price is typically 46% cheaper than other airlines that offer Chicago O'Hare Intl Airport to Seattle flights. When booking this route, the cheapest RT price found was $119. Chicago O'Hare Intl Airport is the most common Chicago O'Hare Intl Airport airport to take off from when flying to Seattle. Seattle/Tacoma Intl Airport is the most popular arrival airport in Seattle. When flying from Chicago O'Hare Intl Airport to Seattle, Delta flights are 10% more popular than any other airline flying that same route.

Cheap Spirit Airlines flights from O'Hare Intl to Seattle

Browse through some of the cheapest Spirit Airlines flights traveling from Chicago to Seattle. Make sure to examine the flight information before completing your reservation.
  • If you’re traveling from Chicago O'Hare Intl Airport to Seattle, one of the more common airlines traveling that route is Spirit Airlines. Chicago O'Hare Intl Airport to Seattle flights are typically 41% cheaper than other airlines traveling the same route. Flights from Spirit Airlines typically cost $307.36 RT. The cheapest Spirit Airlines flight found for this route was $114. When traveling from Chicago O'Hare Intl Airport to Seattle on Spirit Airlines, the most popular airport to depart from is Chicago O'Hare Intl Airport and the most popular airport to arrive at is Seattle/Tacoma Intl Airport. When flying from Chicago O'Hare Intl Airport to Seattle, Spirit Airlines flights are 8% more popular than any other airline flying that same route.

Cheap O'Hare Intl to Seattle flights in September & October 2023

The best prices found for ORD to SEA flights for September, October
Listed are some of the best fares we've found on flights departing from Chicago to Seattle in 2023. For more flight deals, be sure to check back very soon.

O'Hare Intl to Seattle 2023 flight deals

Cheap flights to Seattle from O'Hare Intl found for this year
Listed are some of the best fares we've found on flights departing from Chicago to Seattle in 2023. For more flight deals, be sure to check back very soon.

Non-stop flights to Seattle from O'Hare Intl

Save time with O'Hare Intl to Seattle direct flight deals
To help reduce your travel time, choose from one of these non-stop flights from Chicago to Seattle. Users can also choose from other Chicago to Seattle flights by using the search form above.

O'Hare Intl to Seattle flights leaving soon

Late deals on return flights to Seattle from O'Hare Intl, departing today and this week
Users seeking a last-minute flight from Chicago to Seattle should consider booking one of these fares. It's wise to confirm all flight details are correct before booking.

One-way flights to Seattle from O'Hare Intl

The cheapest one-way flights from O'Hare Intl to Seattle
Some of the best available deals we've found on one-way flights from Chicago to Seattle. Those needing a return flight from Chicago to Seattle can use the search form above.

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

Use the slider to find flights from O'Hare Intl to Seattle that fit your budget.

Fly from

Any airport

Fly to

Any airport

Budget

$104 - $163

Route

Depart

Return

Price

Chicago O'Hare IntlSeattle/Tacoma Intl

ORD - SEA

ORDSEA

Chicago O'Hare Intl

mar. 10/24

1 stop19h 55m

Seattle/Tacoma Intl

mar. 11/7

1 stop15h 07m

Chicago O'Hare IntlSeattle/Tacoma Intl

ORD - SEA

ORDSEA

Chicago O'Hare Intl

mié. 11/8

2 stops12h 56m

Seattle/Tacoma Intl

mar. 11/14

1 stop15h 07m

Chicago O'Hare IntlSeattle/Tacoma Intl

ORD - SEA

ORDSEA

Chicago O'Hare Intl

sáb. 11/4

2 stops17h 19m

Seattle/Tacoma Intl

mar. 11/7

1 stop15h 07m

Chicago O'Hare IntlSeattle/Tacoma Intl

ORD - SEA

ORDSEA

Chicago O'Hare Intl

mar. 10/31

2 stops14h 01m

Seattle/Tacoma Intl

vie. 11/3

1 stop13h 17m

Chicago O'Hare IntlSeattle/Tacoma Intl

ORD - SEA

ORDSEA

Chicago O'Hare Intl

jue. 10/26

1 stop11h 10m

Seattle/Tacoma Intl

lun. 11/6

1 stop11h 49m

Chicago O'Hare IntlSeattle/Tacoma Intl

ORD - SEA

ORDSEA

Chicago O'Hare Intl

mié. 10/18

Nonstop4h 38m

Seattle/Tacoma Intl

mar. 10/24

Nonstop3h 56m

Chicago O'Hare IntlSeattle/Tacoma Intl

ORD - SEA

ORDSEA

Chicago O'Hare Intl

sáb. 11/4

Nonstop4h 35m

Seattle/Tacoma Intl

mar. 11/14

Nonstop4h 05m

Chicago O'Hare IntlSeattle/Tacoma Intl

ORD - SEA

ORDSEA

Chicago O'Hare Intl

sáb. 10/21

Nonstop4h 34m

Seattle/Tacoma Intl

sáb. 10/28

Nonstop4h 00m

Chicago O'Hare IntlSeattle/Tacoma Intl

ORD - SEA

ORDSEA

Chicago O'Hare Intl

mar. 10/24

Nonstop4h 41m

Seattle/Tacoma Intl

mar. 11/7

1 stop7h 36m

Flights are sorted by cheapest first

Deals found on 9/27

Reviews of airlines servicing Seattle

Read through reviews of airlines operating flights from Chicago to Seattle, such as Delta, Spirit Airlines and United Airlines. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.1
Very good
1,394 reviews

Entertainment

7.2

Boarding

8.3

Crew

8.6

Comfort

8.0

Food

7.2

Overall

8.1

Reviews

1 / 10

The outlet at my seat did not work so I was not able to enjoy the in flight entertainment because my phone was dying.

Alaska Airlines
8.1
Very good
1,394 reviews
Alaska Airlines
8.1
Very good
1,394 reviews

Entertainment

7.2

Boarding

8.3

Crew

8.6

Comfort

8.0

Food

7.2

Overall

8.1

Reviews

1 / 10

The outlet at my seat did not work so I was not able to enjoy the in flight entertainment because my phone was dying.

Delta
7.9
Good
3,023 reviews
Alaska Airlines
8.1
Very good
1,394 reviews

Entertainment

7.2

Boarding

8.3

Crew

8.6

Comfort

8.0

Food

7.2

Overall

8.1

Reviews

1 / 10

The outlet at my seat did not work so I was not able to enjoy the in flight entertainment because my phone was dying.

Sun Country Air
7.4
Good
94 reviews
Alaska Airlines
8.1
Very good
1,394 reviews

Entertainment

7.2

Boarding

8.3

Crew

8.6

Comfort

8.0

Food

7.2

Overall

8.1

Reviews

1 / 10

The outlet at my seat did not work so I was not able to enjoy the in flight entertainment because my phone was dying.

United Airlines
7.4
Good
1,890 reviews
Alaska Airlines
8.1
Very good
1,394 reviews

Entertainment

7.2

Boarding

8.3

Crew

8.6

Comfort

8.0

Food

7.2

Overall

8.1

Reviews

1 / 10

The outlet at my seat did not work so I was not able to enjoy the in flight entertainment because my phone was dying.

American Airlines
7.2
Good
2,635 reviews
Alaska Airlines
8.1
Very good
1,394 reviews

Entertainment

7.2

Boarding

8.3

Crew

8.6

Comfort

8.0

Food

7.2

Overall

8.1

Reviews

1 / 10

The outlet at my seat did not work so I was not able to enjoy the in flight entertainment because my phone was dying.

Related info for your journey

Useful info, stats and facts about O'Hare Intl to Seattle flights.

What airport do you fly into for flights to Seattle from Chicago O'Hare Intl?

Located just 11.4 mi from the city center, Seattle/Tacoma Intl is the airport most travelers 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 21 daily inbound flights from Chicago O'Hare Intl from 6 different airlines.

Can I find flights from Chicago O'Hare Intl Airport to Seattle for under $200 on Cheapflights?

Yes, there are multiple flights from Chicago O'Hare Intl Airport to Seattle for under $200. The cheapest flight booked recently is on Multiple Airlines for just $104, but on average you can expect to pay $120.

Are there nonstop flights from Chicago O'Hare Intl Airport to Seattle for under $200 on Cheapflights?

Cheapflights has at least 20 direct flights from Chicago O'Hare Intl Airport to Seattle under $200. A good price for a nonstop flight from Chicago O'Hare Intl Airport to Seattle is less than $181.

Are there last-minute flights available from Chicago O'Hare Intl Airport to Seattle for under $200?

There are currently 20+ open flights from Chicago O'Hare Intl Airport to Seattle within the next 7 days for less than $200.

What days are nonstop flights available from Chicago O'Hare Intl Airport to Seattle?

Nonstop flights are available for this route on the following days: Sunday, Monday, Tuesday, Thursday, Friday, Saturday.

How many flights depart from Chicago O'Hare Intl Airport to Seattle on average per day?

Travelers can expect 61 flights from Chicago O'Hare Intl Airport to Seattle on average per day.
Early Morning (Midnight to 6am) - 8% of flight departures
Morning (6am - Noon) - 16% of flight departures
Afternoon (Noon - 6pm) - 31% of flight departures
Evening (6pm - Midnight) - 44% of flight departures

How long is the flight from Chicago O'Hare Intl Airport to Seattle?

A quick flight from Chicago O'Hare Intl Airport to Seattle can take about 11h 10m. Frontier provides one of the quickest options available for as low as $109. The distance between Chicago O'Hare Intl Airport and Seattle is about 1725 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

Our cheapest airline available from Chicago O'Hare Intl Airport to Seattle is Frontier. Our recent data shows that you can find tickets from as low as $109 on this airline. An additional option worth looking into is Spirit Airlines, starting at $125. Users have found that Frontier is 68% cheaper than the other options available to this destination.

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

The cheapest airlines for a one-way flight from Chicago O'Hare Intl Airport to Seattle are Frontier ($45), Spirit Airlines ($63), and Delta ($78).

What are the most popular airlines that fly from Chicago O'Hare Intl Airport to Seattle?

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

Before booking your flight to Seattle from Chicago O'Hare Intl Airport, check out the most reliable airlines to get you to your destination on time: Air France (96%), Delta (89%), Brussels Airlines( 85%).

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

On average you can expect to pay $659 for a flight from Chicago O'Hare Intl Airport to Seattle. The cheapest flight overall is $79 while the most popular route, (Chicago O'Hare Intl - Seattle/Tacoma Intl) is currently priced at $122.

What does ORD to SEA mean?

ORD and SEA are unique codes to identify airports used in the aviation industry. They are defined by IATA (International Air Transport Association) and are commonly called IATA codes. ORD to SEA refers to a flight route from Chicago O'Hare Intl Airport to Seattle/Tacoma Intl Airport.

Alternative routes for O'Hare Intl to Seattle

See prices for flight routes from nearby airports that may be better suited for you.

Top 5 airlines flying from O'Hare Intl to Seattle

The chart below displays the airlines Cheapflights users traveling from O'Hare Intl to Seattle choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$109Average$323FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
United AirlinesCheapest$109Average$353FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
DeltaCheapest$114Average$307FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Alaska AirlinesCheapest$119Average$328FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights
Spirit AirlinesCheapest$139Average$302FlexibilityNo cancel feeOn-time65%
Search Spirit Airlines flights

Hourly flight availability from O'Hare Intl to Seattle

See what time of day planes typically take off from O'Hare Intl to Seattle
4%of flight departuresEarly morningMidnight to 6 am
18%of flight departuresMorning6 am to noon
55%of flight departuresAfternoonNoon to 6 pm
23%of flight departuresEvening6 pm to midnight
Midnight
6 AM
Noon
6 PM

Weekly flight availability from O'Hare Intl to Seattle

See how many times per day planes take to the skies headed from O'Hare Intl to Seattle
Sunday20daily flights
Monday26daily flights
Tuesday18daily flights
Wednesday19daily flights
Thursday22daily flights
Friday24daily flights
Saturday19daily flights

Fly with Cheapflights

What makes Cheapflights the go-to destination for all your flight needs

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

Cheapflights helps you search for flights from O'Hare Intl to Seattle via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from O'Hare Intl to Seattle?

Cheapflights helps you find that perfect flight to Seattle from O'Hare Intl by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

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

Yes, we can. To see specific flights from O'Hare Intl to Seattle with no change fees, users can toggle flexible booking options after using the search form above to find flights.

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

Yes, Cheapflights has a feature called Price Alert, which essentially offers users the ability to be notified when flight prices change. Track prices for your flight to Seattle from O'Hare Intl today and book when you’re ready!

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