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Cheap flights from Chicago to Seattle from £59

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 18/6. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
CHI — SEA
21 May — 28 May1
1 adult
Tue 21/5
Tue 28/5

Cheap flight deals from Chicago to Seattle

Discover tips and strategies to find the most affordable flight options for your journey from Chicago (CHI) 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 16 May 2024.

Popular in

July

Cheapest in

January

Round-trip from

£460

One-way from

£113
High demand for flights, 32% potential price rise
Search Deals
Best time to find cheap flights, 34% potential price drop
Search Deals
From Chicago (CHI) to Seattle/Tacoma Intl
Search Deals
One-way flight from Chicago (CHI) to Seattle/Tacoma Intl
Search Deals

How far in advance should I book a flight from Chicago to Seattle?

Users have found that booking a flight from Chicago to Seattle at least 50 days early can save you up to 106% on average compared to booking a flight this week. If booking 50 days before your flight isn’t an option for you, users have found flights from Chicago to Seattle for as little as £254 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as £456 for flights departing within the next 3 days.

What is the cheapest month to fly from Chicago to Seattle?

Flights from Chicago to Seattle lean towards being more expensive in July. Prices are generally better when you fly from Chicago to Seattle in January, with the cheapest ticket starting at £77.

When is the cheapest time to fly from Chicago to Seattle (CHI - SEA)?

When flying from Chicago to Seattle, the time of day you fly usually plays a role in the price. Save by searching for a flight at midday, which can drop the price by up to 7% versus a flight in the morning.

Cheap Alaska Airlines flights from Chicago to Seattle

Explore cheap flight options specifically provided by Alaska Airlines for the route between Chicago and Seattle. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 844,321 searches. Data last updated 16 May 2024.
Peruse some of the lowest-priced Alaska Airlines flights we've found from Chicago to Seattle. Come back soon if you're not finding the exact deal you're looking for.
Wed 18/917:59ORD - SEA
Nonstop4h 33mAlaska Airlines
Tue 24/907:00SEA - ORD
1 stop7h 15mAlaska Airlines
Deal found 16/5£140
Wed 4/906:00ORD - SEA
Nonstop4h 34mAlaska Airlines
Fri 13/921:45SEA - ORD
1 stop5h 45mAlaska Airlines
Deal found 14/5£148
Wed 19/621:22ORD - SEA
Nonstop4h 37mAlaska Airlines
Tue 25/622:45SEA - ORD
Nonstop3h 55mAlaska Airlines
Deal found 16/5£160
Fri 6/917:59ORD - SEA
Nonstop4h 33mAlaska Airlines
Tue 17/906:00SEA - ORD
1 stop8h 15mAlaska Airlines
Deal found 16/5£164
Thu 6/621:20ORD - SEA
Nonstop4h 35mAlaska Airlines
Tue 11/619:45SEA - ORD
1 stop6h 55mAlaska Airlines
Deal found 16/5£165
Thu 30/508:00ORD - SEA
1 stop8h 29mAlaska Airlines
Sat 1/622:49SEA - ORD
Nonstop4h 06mAlaska Airlines
Deal found 16/5£172
Thu 18/718:20ORD - SEA
1 stop7h 39mAlaska Airlines
Tue 23/719:45SEA - ORD
1 stop7h 30mAlaska Airlines
Deal found 16/5£173
Wed 19/619:22ORD - SEA
Nonstop4h 38mAlaska Airlines
Wed 26/616:29SEA - ORD
1 stop10h 46mAlaska Airlines
Deal found 15/5£178
Sun 6/1007:00ORD - SEA
1 stop7h 52mAlaska Airlines
Sun 13/1019:55SEA - ORD
1 stop7h 35mAlaska Airlines
Deal found 16/5£180

Cheap Sun Country Air flights from Chicago to Seattle

Explore cheap flight options specifically provided by Sun Country Air for the route between Chicago and Seattle. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 844,321 searches. Data last updated 16 May 2024.
To aid your search, here are some of the cheapest Sun Country Air flights we've found from Chicago to Seattle. Deals are refreshing constantly so come back soon for more options.
Tue 28/517:30ORD - SEA
1 stop25h 10mSun Country Air
Tue 2/718:02SEA - ORD
1 stop25h 04mSun Country Air
Deal found 15/5£185
Sun 23/607:00ORD - SEA
1 stop17h 54mSun Country Air
Sun 30/623:59SEA - ORD
1 stop17h 44mSun Country Air
Deal found 16/5£191
Fri 21/620:11ORD - SEA
1 stop21h 55mSun Country Air
Sun 23/623:59SEA - ORD
1 stop17h 07mSun Country Air
Deal found 16/5£196
Thu 18/707:00ORD - SEA
1 stop17h 53mSun Country Air
Sat 27/717:34SEA - ORD
1 stop23h 36mSun Country Air
Deal found 15/5£201
Fri 14/620:05ORD - SEA
1 stop21h 57mSun Country Air
Sun 16/623:59SEA - ORD
1 stop17h 07mSun Country Air
Deal found 16/5£207
Fri 5/720:35ORD - SEA
1 stop21h 51mSun Country Air
Tue 9/718:07SEA - ORD
1 stop19h 59mSun Country Air
Deal found 16/5£212
Sun 23/607:00ORD - SEA
1 stop17h 54mSun Country Air
Wed 3/709:07SEA - ORD
1 stop9h 59mSun Country Air
Deal found 15/5£213
Thu 20/620:05ORD - SEA
1 stop28h 49mSun Country Air
Sun 23/623:59SEA - ORD
1 stop17h 07mSun Country Air
Deal found 15/5£215
Wed 24/720:05ORD - SEA
1 stop28h 48mSun Country Air
Sun 28/723:59SEA - ORD
1 stop18h 00mSun Country Air
Deal found 16/5£224

Cheap Chicago to Seattle flights in May & June 2024

Find cheap flight options from Chicago to Seattle specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 844,321 searches. Prices were last updated on 16 May 2024.
The lowest fares we've come across on flights travelling from Chicago to Seattle in May and June 2024. Check back in a little while for more flight options.
Sat 15/619:22ORD - SEA
Nonstop4h 38mAlaska Airlines
Tue 2/720:45SEA - ORD
1 stop6h 30mAlaska Airlines
Deal found 16/5£141
Fri 7/608:00ORD - SEA
1 stop8h 29mAlaska Airlines
Tue 11/623:34SEA - ORD
Nonstop4h 06mAlaska Airlines
Deal found 16/5£148
Sat 8/618:50ORD - SEA
Nonstop4h 44mDelta
Wed 12/607:10SEA - ORD
Nonstop4h 04mDelta
Deal found 15/5£149
Mon 24/620:05ORD - SEA
1 stop16h 57mMultiple Airlines
Wed 31/718:45SEA - ORD
1 stop9h 35mMultiple Airlines
Deal found 16/5£159
Wed 19/621:22ORD - SEA
Nonstop4h 37mAlaska Airlines
Tue 25/622:45SEA - ORD
Nonstop3h 55mAlaska Airlines
Deal found 16/5£160
Thu 30/506:00ORD - SEA
Nonstop4h 27mAlaska Airlines
Fri 7/623:34SEA - ORD
Nonstop4h 06mAlaska Airlines
Deal found 16/5£165
Wed 5/615:50ORD - SEA
Nonstop4h 31mAlaska Airlines
Tue 11/623:34SEA - ORD
Nonstop4h 06mAlaska Airlines
Deal found 16/5£168
Thu 30/521:20ORD - SEA
Nonstop4h 35mAlaska Airlines
Mon 3/619:45SEA - ORD
1 stop6h 55mAlaska Airlines
Deal found 16/5£172
Thu 30/519:40ORD - SEA
Nonstop4h 42mDelta
Sat 8/618:00SEA - ORD
Nonstop3h 58mDelta
Deal found 16/5£173

Chicago to Seattle 2024 flight deals

Discover exclusive flight deals for travel between Chicago and Seattle in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 844,321 searches. Data last updated 16 May 2024.
The lowest fares we've come across on flights travelling from Chicago to Seattle in May and June 2024. Check back in a little while for more flight options.
Tue 17/918:50ORD - SEA
Nonstop4h 47mDelta
Tue 24/918:00SEA - ORD
Nonstop3h 58mDelta
Deal found 16/5£118
Wed 18/917:59ORD - SEA
Nonstop4h 33mAlaska Airlines
Tue 24/907:00SEA - ORD
1 stop7h 15mAlaska Airlines
Deal found 16/5£140
Sat 15/619:22ORD - SEA
Nonstop4h 38mAlaska Airlines
Tue 2/720:45SEA - ORD
1 stop6h 30mAlaska Airlines
Deal found 16/5£141
Wed 18/906:00ORD - SEA
Nonstop4h 34mAlaska Airlines
Sun 22/921:45SEA - ORD
1 stop5h 45mAlaska Airlines
Deal found 16/5£148
Sat 8/618:50ORD - SEA
Nonstop4h 44mDelta
Wed 12/607:10SEA - ORD
Nonstop4h 04mDelta
Deal found 15/5£149
Wed 18/906:00ORD - SEA
Nonstop4h 34mAlaska Airlines
Wed 18/910:48SEA - ORD
Nonstop4h 10mAlaska Airlines
Deal found 16/5£155
Mon 24/620:05ORD - SEA
1 stop16h 57mMultiple Airlines
Wed 31/718:45SEA - ORD
1 stop9h 35mMultiple Airlines
Deal found 16/5£159
Wed 19/621:22ORD - SEA
Nonstop4h 37mAlaska Airlines
Tue 25/622:45SEA - ORD
Nonstop3h 55mAlaska Airlines
Deal found 16/5£160
Fri 6/917:59ORD - SEA
Nonstop4h 33mAlaska Airlines
Tue 17/906:00SEA - ORD
1 stop8h 15mAlaska Airlines
Deal found 16/5£164

Direct flights to Seattle from Chicago

Discover direct flight options from Chicago to Seattle. Find direct flights with no stopovers, providing a convenient travel experience. Explore direct flight options based on user searches, and compare prices and availability for your desired travel dates. Over the last 7 days, Cheapflights users made 844,321 searches. Data last updated 16 May 2024.
For a shorter flight, select 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.
Wed 21/818:50ORD - SEA
Nonstop4h 38mDelta
Tue 27/817:55SEA - ORD
Nonstop3h 59mDelta
Deal found 16/5£118
Thu 6/606:00ORD - SEA
Nonstop4h 27mAlaska Airlines
Tue 11/617:45SEA - ORD
Nonstop4h 04mAlaska Airlines
Deal found 16/5£141
Sat 8/618:50ORD - SEA
Nonstop4h 44mDelta
Wed 12/607:10SEA - ORD
Nonstop4h 04mDelta
Deal found 15/5£149
Tue 11/621:20ORD - SEA
Nonstop4h 35mAlaska Airlines
Wed 19/622:45SEA - ORD
Nonstop3h 55mAlaska Airlines
Deal found 16/5£160
Fri 31/506:00ORD - SEA
Nonstop4h 27mAlaska Airlines
Sun 2/623:34SEA - ORD
Nonstop4h 06mAlaska Airlines
Deal found 16/5£165
Wed 5/615:50ORD - SEA
Nonstop4h 31mAlaska Airlines
Tue 11/623:34SEA - ORD
Nonstop4h 06mAlaska Airlines
Deal found 16/5£168
Thu 30/519:40ORD - SEA
Nonstop4h 42mDelta
Sat 8/618:00SEA - ORD
Nonstop3h 58mDelta
Deal found 16/5£173
Sat 8/618:50ORD - SEA
Nonstop4h 44mDelta
Tue 11/618:00SEA - ORD
Nonstop3h 58mDelta
Deal found 15/5£181
Mon 17/621:22ORD - SEA
Nonstop4h 37mAlaska Airlines
Tue 25/622:45SEA - ORD
Nonstop3h 55mAlaska Airlines
Deal found 16/5£184

Chicago to Seattle flights leaving soon

Find last-minute flight options from Chicago to Seattle for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 844,321 searches. Data last updated 16 May 2024.
Check out these flights departing soon from Chicago to Seattle. Users should double check the flight they book to ensure it matches the day, time, and destination they're looking for.
Sat 25/517:28ORD - SEA
Nonstop4h 31mAlaska Airlines
Wed 5/617:45SEA - ORD
Nonstop4h 04mAlaska Airlines
Deal found 15/5£208
Sun 26/514:54ORD - SEA
1 stop6h 17mAlaska Airlines
Wed 5/617:45SEA - ORD
Nonstop4h 04mAlaska Airlines
Deal found 15/5£215
Sat 25/517:28ORD - SEA
Nonstop4h 31mAlaska Airlines
Sun 2/617:45SEA - ORD
Nonstop4h 04mAlaska Airlines
Deal found 15/5£232
Thu 23/506:00ORD - SEA
Nonstop4h 27mAlaska Airlines
Thu 30/519:45SEA - ORD
1 stop6h 55mAlaska Airlines
Deal found 16/5£239
Sat 25/514:29ORD - SEA
Nonstop4h 30mDelta
Fri 31/518:00SEA - ORD
Nonstop4h 05mDelta
Deal found 16/5£248
Fri 24/515:50ORD - SEA
Nonstop4h 31mAlaska Airlines
Sat 1/610:39SEA - ORD
Nonstop4h 15mAlaska Airlines
Deal found 16/5£255
Sat 25/517:28ORD - SEA
Nonstop4h 31mAlaska Airlines
Thu 6/617:40SEA - ORD
Nonstop4h 04mAlaska Airlines
Deal found 15/5£256
Thu 23/506:00ORD - SEA
Nonstop4h 27mAlaska Airlines
Thu 30/510:39SEA - ORD
Nonstop4h 15mAlaska Airlines
Deal found 16/5£259
Fri 24/515:50ORD - SEA
Nonstop4h 31mAlaska Airlines
Thu 30/519:45SEA - ORD
1 stop6h 55mAlaska Airlines
Deal found 16/5£262

One-way flights to Seattle from Chicago

Search for one-way flight options from Chicago to Seattle. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 844,321 searches. Data last updated 16 May 2024.
Take a look at some of the one-way flights we've detected from Chicago to Seattle. Users can also find round-trip Chicago to Seattle flights by using the search form above.
Tue 18/621:22ORD - SEA
Nonstop4h 37mAlaska Airlines
Deal found 16/5£59
Wed 16/1017:45ORD - SEA
1 stop7h 59mAlaska Airlines
Deal found 16/5£82
Mon 17/621:22ORD - SEA
Nonstop4h 37mAlaska Airlines
Deal found 16/5£83
Fri 7/608:00ORD - SEA
1 stop8h 29mAlaska Airlines
Deal found 16/5£90
Sat 8/618:50ORD - SEA
Nonstop4h 44mDelta
Deal found 15/5£91
Wed 26/606:55ORD - SEA
Nonstop4h 30mDelta
Deal found 15/5£102
Thu 20/606:00ORD - SEA
Nonstop4h 31mAlaska Airlines
Deal found 16/5£107
Sat 20/718:45ORD - SEA
Nonstop4h 40mDelta
Deal found 16/5£110
Sun 21/707:00ORD - SEA
1 stop27h 06mSun Country Air
Deal found 16/5£113

Find flights from Chicago to Seattle within your budget

Customise your flight search to find flights from Chicago 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 844,321 searches. Data last updated 16 May 2024.

Fly from

Any airport

Fly to

Any airport

Budget

£118 - £193

Route

Depart

Return

Price

Chicago O'Hare IntlSeattle/Tacoma Intl

ORD - SEA

ORDSEA

Chicago O'Hare Intl

Wed 21/8

Nonstop4h 38m

Seattle/Tacoma Intl

Tue 27/8

Nonstop3h 59m

£118

Chicago O'Hare IntlSeattle/Tacoma Intl

ORD - SEA

ORDSEA

Chicago O'Hare Intl

Wed 18/9

Nonstop4h 33m

Seattle/Tacoma Intl

Tue 24/9

1 stop7h 15m

£140

Chicago O'Hare IntlSeattle/Tacoma Intl

ORD - SEA

ORDSEA

Chicago O'Hare Intl

Wed 14/8

Nonstop4h 38m

Seattle/Tacoma Intl

Thu 22/8

Nonstop4h 06m

£141

Chicago O'Hare IntlSeattle/Tacoma Intl

ORD - SEA

ORDSEA

Chicago O'Hare Intl

Wed 4/9

Nonstop4h 34m

Seattle/Tacoma Intl

Fri 13/9

1 stop5h 45m

£148

Chicago O'Hare IntlSeattle/Tacoma Intl

ORD - SEA

ORDSEA

Chicago O'Hare Intl

Sat 8/6

Nonstop4h 44m

Seattle/Tacoma Intl

Wed 12/6

Nonstop4h 04m

£149

Chicago O'Hare IntlSeattle/Tacoma Intl

ORD - SEA

ORDSEA

Chicago O'Hare Intl

Mon 24/6

1 stop16h 57m

Seattle/Tacoma Intl

Wed 31/7

1 stop9h 35m

£159

Chicago O'Hare IntlSeattle/Tacoma Intl

ORD - SEA

ORDSEA

Chicago O'Hare Intl

Wed 19/6

Nonstop4h 37m

Seattle/Tacoma Intl

Tue 25/6

Nonstop3h 55m

£160

Chicago O'Hare IntlSeattle/Tacoma Intl

ORD - SEA

ORDSEA

Chicago O'Hare Intl

Tue 28/5

1 stop25h 10m

Seattle/Tacoma Intl

Tue 2/7

1 stop25h 04m

£185

Chicago O'Hare IntlSeattle/Tacoma Intl

ORD - SEA

ORDSEA

Chicago O'Hare Intl

Sat 17/8

Nonstop4h 40m

Seattle/Tacoma Intl

Wed 21/8

1 stop9h 45m

£192

Flights are sorted by cheapest first

Deals found on 16/5

When is the best time to book a flight from Chicago to Seattle?

Use this chart to determine the optimal time to book a return flight from Chicago to Seattle. Price data was last updated on 10 May 2024.
Booking 49 days in advance of your planned departure date is, on average, the best time to get cheap flights from Chicago to Seattle. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
Search Deals

Average price of flights to Seattle by month

Plan your trip from Chicago to Seattle by taking into account the cheapest months to travel. The average price of a one-way flight from Chicago to Seattle is currently £93 while a return flight costs £155. Price data was last updated on 12 May 2024.

Currently, December is the cheapest month in which you can book a flight from Chicago to Seattle (average of £583). Flying from Chicago to Seattle in July is currently the most expensive (average of £799). 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.

January

£481

February

£469

March

£499

April

£513

May

£531

June

£604

July

£630

August

£605

September

£540

October

£518

November

£473

December

£460

Temperature and rainfall in Seattle by month

Plan your trip to Seattle by taking into account the average temperature and rainfall totals by month.

SEA

Temperature

5 - 19 °C

Reviews of airlines servicing Seattle

Get insights into the airlines that provide service to Seattle. 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 Seattle. Reviews last updated 16 May 2024.
Peruse reviews from past customers who have flown with Alaska Airlines, Sun Country Air and United Airlines from Chicago to Seattle to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.1
Very Good
9,157 reviews
Check prices

Boarding

8.2

Food

7.3

Crew

8.6

Comfort

7.9

Entertainment

7.3

Overall

8.1

Reviews

1 / 10

There were no major issues. A bit of delay but it was understandable. It was a good experience otherwise.

Alaska Airlines
8.1
Very Good
9,157 reviews
Alaska Airlines
8.1
Very Good
9,157 reviews
Check prices

Boarding

8.2

Food

7.3

Crew

8.6

Comfort

7.9

Entertainment

7.3

Overall

8.1

Reviews

1 / 10

There were no major issues. A bit of delay but it was understandable. It was a good experience otherwise.

Delta
8.0
Very Good
10,673 reviews
Alaska Airlines
8.1
Very Good
9,157 reviews
Check prices

Boarding

8.2

Food

7.3

Crew

8.6

Comfort

7.9

Entertainment

7.3

Overall

8.1

Reviews

1 / 10

There were no major issues. A bit of delay but it was understandable. It was a good experience otherwise.

United Airlines
7.4
Good
10,924 reviews
Alaska Airlines
8.1
Very Good
9,157 reviews
Check prices

Boarding

8.2

Food

7.3

Crew

8.6

Comfort

7.9

Entertainment

7.3

Overall

8.1

Reviews

1 / 10

There were no major issues. A bit of delay but it was understandable. It was a good experience otherwise.

Sun Country Air
7.2
Good
630 reviews
Alaska Airlines
8.1
Very Good
9,157 reviews
Check prices

Boarding

8.2

Food

7.3

Crew

8.6

Comfort

7.9

Entertainment

7.3

Overall

8.1

Reviews

1 / 10

There were no major issues. A bit of delay but it was understandable. It was a good experience otherwise.

Related info for your journey

Find useful and relevant information for your journey from Chicago 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?

    Seattle/Tacoma Intl (SEA), located 11.4 mi from the city center, is the airport you fly into when you book flights from Chicago to Seattle. 0 airlines have flights to Seattle/Tacoma Intl from Chicago on a regular basis. Booking flights from Chicago to Seattle/Tacoma Intl should not be difficult; the airport handles an average of 22 inbound flights from Chicago per day.

  • Can I find flights from Chicago to Seattle for under £200 on Cheapflights?

    Yes, there are multiple flights from Chicago to Seattle for under £200. The cheapest flight booked recently is on Delta for just £118, but on average you can expect to pay £165.

  • Are there nonstop flights from Chicago to Seattle for under £200 on Cheapflights?

    Cheapflights has at least 20 direct flights from Chicago to Seattle under £200. A good price for a nonstop flight from Chicago to Seattle is less than £185.

  • Are there last-minute flights available from Chicago to Seattle for under £300?

    There are currently 20+ open flights from Chicago to Seattle within the next 7 days for less than £300.

  • What days are direct flights available from Chicago to Seattle?

    Direct flights can be found on the following days: Sunday, Monday, Tuesday, Thursday, Friday, Saturday.

  • How many flights depart from Chicago to Seattle on average per day?

    On average 56 flights depart from Chicago to Seattle per day.
    Early Morning (Midnight to 6am) - 18% of flight departures
    Morning (6am - Midday) - 16% of flight departures
    Afternoon (Midday - 6pm) - 27% of flight departures
    Evening (6pm - Midnight) - 39% of flight departures

  • How long is the flight from Chicago to Seattle?

    Departing from Chicago to Seattle will take you 4h 33m. The distance between Chicago and Seattle is about 1725 mi. Both multi-stop and direct flights can be found to your destination and back.

  • What are the cheapest airlines flying from Chicago to Seattle round-trip?

    According to our current data, Delta (£118), Alaska Airlines (£140), and Sun Country Air (£185) offers the cheapest pricing from Chicago to Seattle. Delta is currently priced 45% below the average price you’ll pay for this route.

  • What are the cheapest airlines to fly from Chicago to Seattle one-way?

    £59 is the cheapest one-way deal found within the past few days, from Alaska Airlines. You may also be able to find cheap deals on Delta and Sun Country Air, with prices starting from £91 and £113, respectively.

  • What are the most reliable airlines from Chicago to Seattle?

    The top 3 most reliable airlines when flying from Chicago to Seattle are WestJet (100%), KLM (94%) and Korean Air (93%).

  • What are the cheapest flights from Chicago to Seattle?

    While on average a flight from Chicago to Seattle is generally £267, our data shows the cheapest flight currently is £240. When looking at the most popular route, (Chicago O'Hare Intl - Seattle/Tacoma Intl), you can expect to pay £204 for that flight.

  • What does ORD to SEA mean?

    These are just IATA (International Air Transport Association) codes. They are used in aviation to identify and differentiate airports. That’s why a Chicago O'Hare Intl Airport to Seattle/Tacoma Intl Airport flight would often be abbreviated as a ORD to SEA flight. Ready for more IATA code knowledge? These are related airports for your current travel destination: Chicago Midway Airport (MDW), Chicago Greater Rockford Airport (RFD).

  • Can I find deals for flights from Chicago to Seattle that include extra baggage allowance?

    The amount of baggage you can bring on your Chicago to Seattle flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Chicago to Seattle with specific airlines?

    Yes, Cheapflights allows you to browse and filter Chicago to Seattle flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • Can I find deals for flights from Chicago to Seattle that include hotel bookings?

    Yes. In addition to deals on Chicago to Seattle flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Chicago to Seattle?

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

  • Can I find deals for business class flights from Chicago to Seattle?

    Yes. Cheapflights offers flight deals from Chicago 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.

  • Can I find deals for flights from Chicago to Seattle that allow pets onboard?

    Many airlines flying from Chicago to Seattle offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Chicago to Seattle?

    Yes, you can often find last-minute deals on Chicago to Seattle flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Chicago to Seattle flight deals updated?

    The Chicago to Seattle flight deals you see on this page were last updated on 16/5.

See more FAQs

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Search flights from Chicago to Seattle by cabin class

Find flights from Chicago to Seattle, based on your preferred cabin class, be it economy, premium economy, business, or first class.
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Hourly flight availability from Chicago to Seattle

Find hourly flight availability from Chicago 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 16 May 2024.
8%of flight departuresEarly morningMidnight to 6 am
19%of flight departuresMorning6 am to noon
36%of flight departuresAfternoonNoon to 6 pm
37%of flight departuresEvening6 pm to midnight
Midnight
6 AM
Midday
6 PM

Weekly flight availability from Chicago to Seattle

Explore weekly flight availability from Chicago 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 16 May 2024.
Monday28daily flights
Tuesday20daily flights
Wednesday21daily flights
Thursday24daily flights
Friday26daily flights
Saturday20daily flights
Sunday21daily flights

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Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Chicago to Seattle?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Seattle from Chicago today with Cheapflights!

Why should you use Cheapflights to find cheap flight tickets from Chicago to Seattle?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Chicago to Seattle for you. Better yet — we are completely free to use.

Can Cheapflights find flights from Chicago to Seattle with no change fees?

Yes, we can. To see specific flights from Chicago 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 Chicago 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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