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Cheap flights from Chicago O'Hare Intl Airport to Seattle from $100

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Chicago O'Hare Intl Airport to Seattle departing on 8/19. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags
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mar. 6/11
mar. 6/18

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Easily compare round-trip flights from Chicago O'Hare Intl Airport to Seattle

Below you can see the best fares for your round-trip flight route over the next six months. All fares were found on momondo this week. Browse the quickest and cheapest flights from Chicago O'Hare Intl Airport to Seattle by changing tabs
Alaska Airlines
Sep 17
ORD5:59 pmChicago O'Hare Intl
4h 33m
SEA8:32 pmSeattle/Tacoma Intl
Sep 17
SEA10:44 pmSeattle/Tacoma Intl
3h 53m
ORD4:37 amChicago O'Hare Intl
American Airlines
Sep 18
ORD6:14 pmChicago O'Hare Intl
4h 38m
SEA8:52 pmSeattle/Tacoma Intl
Sep 24
SEA6:00 amSeattle/Tacoma Intl
4h 09m
ORD12:09 pmChicago O'Hare Intl
Multiple Airlines
Aug 21
ORD6:00 amChicago O'Hare Intl
4h 34m
SEA8:34 amSeattle/Tacoma Intl
Aug 28
SEA5:30 amSeattle/Tacoma Intl
10h 57m
1 stop
ORD6:27 pmChicago O'Hare Intl
United Airlines
Aug 14
ORD6:30 pmChicago O'Hare Intl
4h 39m
SEA9:09 pmSeattle/Tacoma Intl
Aug 20
SEA5:00 pmSeattle/Tacoma Intl
4h 00m
ORD11:00 pmChicago O'Hare Intl
Spirit Airlines
Aug 26
ORD11:10 pmChicago O'Hare Intl
16h 01m
1 stop
SEA1:11 pmSeattle/Tacoma Intl
Aug 28
SEA5:30 amSeattle/Tacoma Intl
10h 57m
1 stop
ORD6:27 pmChicago O'Hare Intl
Frontier
Sep 21
ORD5:56 pmChicago O'Hare Intl
16h 41m
1 stop
SEA8:37 amSeattle/Tacoma Intl
Sep 28
SEA11:30 amSeattle/Tacoma Intl
15h 17m
1 stop
ORD4:47 amChicago O'Hare Intl

Find the cheapest one-way flights from Chicago O'Hare Intl Airport to Seattle

If you're looking for one-way flights from Chicago O'Hare Intl Airport to Seattle, view some of our deals below provided by Alaska Airlines, Delta and Frontier
Frontier
Aug 19
ORD7:30 pmChicago O'Hare Intl
25h 31m
1 stop
SEA7:01 pmSeattle/Tacoma Intl
Sun Country Air
Jul 2
ORD8:05 pmChicago O'Hare Intl
13h 57m
1 stop
SEA8:02 amSeattle/Tacoma Intl
Delta
Jun 19
ORD2:10 pmChicago O'Hare Intl
4h 30m
SEA4:40 pmSeattle/Tacoma Intl

Find the cheapest direct flights from Chicago O'Hare Intl Airport to Seattle

Alaska Airlines
Sep 17
ORD5:59 pmChicago O'Hare Intl
4h 33m
SEA8:32 pmSeattle/Tacoma Intl
Sep 17
SEA10:44 pmSeattle/Tacoma Intl
3h 53m
ORD4:37 amChicago O'Hare Intl
American Airlines
Sep 18
ORD6:14 pmChicago O'Hare Intl
4h 38m
SEA8:52 pmSeattle/Tacoma Intl
Sep 24
SEA6:00 amSeattle/Tacoma Intl
4h 09m
ORD12:09 pmChicago O'Hare Intl
United Airlines
Aug 14
ORD6:30 pmChicago O'Hare Intl
4h 39m
SEA9:09 pmSeattle/Tacoma Intl
Aug 20
SEA5:00 pmSeattle/Tacoma Intl
4h 00m
ORD11:00 pmChicago O'Hare Intl
Undisclosed Carrier
Aug 6
ORD7:22 pmChicago O'Hare Intl
4h 38m
SEA10:00 pmSeattle/Tacoma Intl
Aug 14
SEA6:07 amSeattle/Tacoma Intl
4h 06m
ORD12:13 pmChicago O'Hare Intl
Delta
Sep 15
ORD6:50 amChicago O'Hare Intl
4h 33m
SEA9:23 amSeattle/Tacoma Intl
Sep 24
SEA7:10 amSeattle/Tacoma Intl
4h 05m
ORD1:15 pmChicago O'Hare Intl
Alaska Airlines
Sep 18
ORD1:18 pmChicago O'Hare Intl
4h 34m
SEA3:52 pmSeattle/Tacoma Intl
Sep 24
SEA10:44 pmSeattle/Tacoma Intl
3h 53m
ORD4:37 amChicago O'Hare Intl

Search last-minute flights to Seattle from Chicago O'Hare Intl Airport

Find and compare round-trip flight prices for your last-minute flight from Chicago O'Hare Intl Airport to Seattle
Frontier
Jun 15
ORD10:11 pmChicago O'Hare Intl
12h 59m
1 stop
SEA9:10 amSeattle/Tacoma Intl
Jun 24
SEA10:03 pmSeattle/Tacoma Intl
29h 22m
1 stop
ORD5:25 amChicago O'Hare Intl
Multiple Airlines
Jun 15
ORD10:11 pmChicago O'Hare Intl
12h 59m
1 stop
SEA9:10 amSeattle/Tacoma Intl
Jun 25
SEA9:41 pmSeattle/Tacoma Intl
6h 55m
1 stop
ORD6:36 amChicago O'Hare Intl
Spirit Airlines
Jun 13
ORD12:32 pmChicago O'Hare Intl
9h 37m
1 stop
SEA8:09 pmSeattle/Tacoma Intl
Jun 19
SEA8:59 pmSeattle/Tacoma Intl
7h 25m
1 stop
ORD6:24 amChicago O'Hare Intl
Alaska Airlines
Jun 12
ORD9:20 pmChicago O'Hare Intl
4h 35m
SEA11:55 pmSeattle/Tacoma Intl
Jun 26
SEA10:45 pmSeattle/Tacoma Intl
3h 55m
ORD4:40 amChicago O'Hare Intl
American Airlines
Jun 12
ORD5:15 pmChicago O'Hare Intl
4h 33m
SEA7:48 pmSeattle/Tacoma Intl
Jun 19
SEA10:52 pmSeattle/Tacoma Intl
4h 15m
ORD5:07 amChicago O'Hare Intl
United Airlines
Jun 15
ORD5:04 amChicago O'Hare Intl
6h 58m
1 stop
SEA10:02 amSeattle/Tacoma Intl
Jun 21
SEA5:10 pmSeattle/Tacoma Intl
4h 00m
ORD11:10 pmChicago O'Hare Intl

Spirit Airlines flights from Chicago O'Hare Intl Airport to Seattle

Our best Spirit Airlines deals on Chicago O'Hare Intl Airport to Seattle flight tickets
Spirit Airlines
Aug 26
ORD11:10 pmChicago O'Hare Intl
16h 01m
1 stop
SEA1:11 pmSeattle/Tacoma Intl
Aug 28
SEA5:30 amSeattle/Tacoma Intl
10h 57m
1 stop
ORD6:27 pmChicago O'Hare Intl
Spirit Airlines
Aug 20
ORD6:45 amChicago O'Hare Intl
17h 39m
1 stop
SEA10:24 pmSeattle/Tacoma Intl
Aug 27
SEA5:30 amSeattle/Tacoma Intl
10h 57m
1 stop
ORD6:27 pmChicago O'Hare Intl
Spirit Airlines
Jul 30
ORD11:05 pmChicago O'Hare Intl
19h 10m
1 stop
SEA4:15 pmSeattle/Tacoma Intl
Aug 6
SEA5:15 pmSeattle/Tacoma Intl
10h 46m
1 stop
ORD6:01 amChicago O'Hare Intl

Alaska Airlines flights from Chicago O'Hare Intl Airport to Seattle

Our best Alaska Airlines deals on Chicago O'Hare Intl Airport to Seattle flight tickets
Alaska Airlines
Sep 17
ORD5:59 pmChicago O'Hare Intl
4h 33m
SEA8:32 pmSeattle/Tacoma Intl
Sep 17
SEA10:44 pmSeattle/Tacoma Intl
3h 53m
ORD4:37 amChicago O'Hare Intl
Alaska Airlines
Sep 18
ORD9:07 pmChicago O'Hare Intl
4h 34m
SEA11:41 pmSeattle/Tacoma Intl
Sep 21
SEA6:07 amSeattle/Tacoma Intl
4h 10m
ORD12:17 pmChicago O'Hare Intl
Alaska Airlines
Sep 17
ORD7:00 amChicago O'Hare Intl
6h 37m
1 stop
SEA11:37 amSeattle/Tacoma Intl
Sep 17
SEA10:44 pmSeattle/Tacoma Intl
3h 53m
ORD4:37 amChicago O'Hare Intl

How to get the cheapest flight ticket from Chicago O'Hare Intl Airport to Seattle

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

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

February. The cheapest time of year to fly to Seattle from Chicago O'Hare Intl Airport is February. Most expensive is July

What is the cheapest day to depart Chicago O'Hare Intl Airport for Seattle?

Tuesday. The cheapest day of the week is typically Tuesday. The most expensive is typically Sunday

When is the cheapest time to fly from Chicago O'Hare Intl Airport to Seattle?

In the afternoon. Chicago O'Hare Intl Airport to Seattle flights are approximately 7% more expensive in the evening than in the afternoon

What is the cheapest airline that flies to Seattle from Chicago O'Hare Intl Airport?

Frontier. Alaska Airlines, American Airlines, and Delta are the most popular carriers operating from Chicago O'Hare Intl Airport to Seattle

How far in advance should you book Chicago O'Hare Intl Airport to Seattle flights?

34 days before. The cheapest time to buy a flight from Chicago O'Hare Intl Airport to Seattle is approximately 34 days to departure

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

As of June 2024, 21 flights take off from Chicago O'Hare Intl Airport and land in Seattle each day. The most common flight departure time for this route is 6:00PM, with 47% of daily flights taking off in the afternoon.

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

148 flights are operational weekly from Chicago O'Hare Intl Airport to Seattle as of June 2024. The most popular departure day for this route is Monday, with 18% of flights per week taking off on this day.

What cabin class options are available on Chicago O'Hare Intl Airport to Seattle flights?

There are 4 cabin classes available to choose from on Chicago O'Hare Intl Airport to Seattle flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Chicago O'Hare Intl Airport to Seattle flights?

No. A direct flight is the cheapest option for a flight between Chicago O'Hare Intl Airport to Seattle.

Cheap Chicago O'Hare Intl Airport to Seattle (ORD to SEA) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Chicago O'Hare Intl Airport to Seattle

Best Price Found

$100

Fastest flight time

4h 25m

Direct flights

Every day

Airports in Seattle

1 airport
The best one-way flight to Seattle from Chicago O'Hare Intl Airport in the past 72 hours is $100. The best round-trip flight deal from Chicago O'Hare Intl Airport to Seattle found on momondo in the last 72 hours is $143.
The fastest flight from Chicago O'Hare Intl Airport to Seattle takes 4h 25m
Direct flights go from Chicago O'Hare Intl Airport to Seattle every day.
There is 1 airport near Seattle: Seattle/Tacoma Intl (SEA)

  • How far is Chicago O'Hare Intl to Seattle/Tacoma Intl by plane?

    Seattle/Tacoma Intl is 1716.3 mi away from Chicago O'Hare Intl. A reasonable flight in good conditions will take 4h 25m.

  • When did momondo last update prices for flights from Chicago O'Hare Intl Airport to Seattle/Tacoma Intl Airport?

    Prices for flights from Chicago O'Hare Intl Airport to Seattle/Tacoma Intl Airport refresh daily.

  • How many operators does momondo search for flights from Chicago O'Hare Intl Airport to Seattle/Tacoma Intl Airport?

  • How old do you have to be to fly from Chicago O'Hare Intl Airport to Seattle/Tacoma Intl Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Chicago O'Hare Intl Airport to Seattle/Tacoma Intl Airport.

  • What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?

    The travel and health documents you'll need for your trip to Seattle/Tacoma Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Seattle/Tacoma Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.


Best airlines flying from Chicago O'Hare Intl Airport to Seattle

Compare and see reviews for airlines that fly from Chicago O'Hare Intl Airport to Seattle with momondo
Airline
Rating
Free Cancellation
Price
Alaska AirlinesPriceFrom $82Free CancellationRating
8.0
9,222 reviews
Search Alaska Airlines flights
DeltaPriceFrom $99Free CancellationRating
8.0
10,368 reviews
Search Delta flights
American AirlinesPriceFrom $109Free CancellationRating
7.3
14,227 reviews
Search American Airlines flights
United AirlinesPriceFrom $114Free CancellationRating
7.4
10,696 reviews
Search United Airlines flights
FrontierPriceFrom $124Free CancellationRating
6.2
3,985 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $130Free CancellationRating
6.4
8,567 reviews
Search Spirit Airlines flights
  • Alaska Airlines Flights From Chicago O'Hare Intl Airport to Seattle

    Alaska Airlines operates around 20 flights from Chicago O'Hare Intl Airport to Seattle every week. The average price of these flights found in the last 72 hours has been $297, but momondo users have found Alaska Airlines deals from Chicago O'Hare Intl Airport to Seattle from as low as $82 round-trip. Alaska Airlines has been scored 8.0/10 in 9,222 reviews.

  • Delta Flights From Chicago O'Hare Intl Airport to Seattle

    Across 10,368 Delta reviews on momondo, the average score is 8.0/10. Delta flies from Chicago O'Hare Intl Airport to Seattle about 14 times each week, with ticket deals ranging from $99 to $276. Price data is based on momondo searches in the last 72 hours.


Why use momondo?

Why should I use momondo to find a flight deal from Chicago to Seattle?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Seattle from Chicago.

Can I find flights from Chicago to Seattle with flexible booking policies on momondo?

momondo does allow users to show only those flights to Seattle from Chicago which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Chicago to Seattle?

momondo provides multiple filters to help you find the best flight to Seattle from Chicago. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Chicago to Seattle right now. Can momondo alert me if prices change?

Price alerts on flights to Seattle from Chicago are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.


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To?
mar. 6/11
mar. 6/18
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