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O'Hare International Airport to Seattle-Tacoma International Airport flight

Explore the cheapest one-way and round-trip flights from O'Hare International Airport to Seattle-Tacoma International Airport over the next 90 days, with one-way fares from JPY 14,500 and round-trip from JPY 29,380. Based on Trip.com's latest 7-day flight data.

      • Cheapest nonstop
        ORD 15:49
        4h 39m
        Direct
        SEA 18:28
        Chicago - Seattle | Wed, Oct 28 | Alaska Airlines
        SEA 08:32
        4h 21m
        Direct
        ORD 14:53
        Seattle - Chicago | Wed, Nov 4 | Alaska Airlines
        JPY 29,380 JPY 76,530
        62% off
        62% off
        JPY 76,530 JPY 29,380
      • ORD 21:55
        4h 41m
        Direct
        SEA 00:36
        Chicago - Seattle | Sun, Oct 25 | American Airlines
        SEA 06:12
        4h 14m
        Direct
        ORD 12:26
        Seattle - Chicago | Sun, Nov 1 | American Airlines
        JPY 30,130 JPY 76,530
        61% off
        61% off
        JPY 76,530 JPY 30,130
      • ORD 06:35
        4h 45m
        Direct
        SEA 09:20
        Chicago - Seattle | Sat, Oct 24 | Delta Air Lines
        SEA 07:15
        4h 15m
        Direct
        ORD 13:30
        Seattle - Chicago | Sat, Oct 31 | Delta Air Lines
        JPY 30,150 JPY 76,530
        61% off
        61% off
        JPY 76,530 JPY 30,150
      • ORD 12:58
        4h 38m
        Direct
        SEA 15:36
        Chicago - Seattle | Sun, Nov 15 | Delta Air Lines
        SEA 07:27
        4h 10m
        Direct
        ORD 13:37
        Seattle - Chicago | Mon, Nov 16 | Delta Air Lines
        JPY 30,270
        60% off
        JPY 76,530 JPY 30,270
      • ORD 06:00
        4h 30m
        Direct
        SEA 08:30
        Chicago - Seattle | Tue, Oct 6 | Alaska Airlines
        SEA 00:10
        3h 55m
        Direct
        MDW 06:05
        Seattle - Chicago | Mon, Oct 12 |
        JPY 30,360
        60% off
        JPY 76,530 JPY 30,360
      • ORD 06:49
        4h 42m
        Direct
        SEA 09:31
        Chicago - Seattle | Sat, Oct 24 | American Airlines
        SEA 23:41
        3h 59m
        Direct
        ORD 05:40
        Seattle - Chicago | Sat, Oct 31 | Alaska Airlines
        JPY 30,380
        60% off
        JPY 76,530 JPY 30,380
      • ORD 18:35
        4h 54m
        Direct
        SEA 21:29
        Chicago - Seattle | Wed, Nov 11 | Alaska Airlines
        SEA 17:51
        4h 8m
        Direct
        ORD 23:59
        Seattle - Chicago | Sat, Nov 14 | Alaska Airlines
        JPY 30,380
        60% off
        JPY 76,530 JPY 30,380
      • ORD 09:00
        4h 44m
        Direct
        SEA 11:44
        Chicago - Seattle | Tue, Oct 20 | Alaska Airlines
        SEA 11:56
        4h 24m
        Direct
        ORD 18:20
        Seattle - Chicago | Sat, Oct 24 | Alaska Airlines
        JPY 48,420
        37% off
        JPY 76,530 JPY 48,420
      • ORD 07:00
        4h 42m
        Direct
        SEA 09:42
        Chicago - Seattle | Sun, Oct 25 | Alaska Airlines
        SEA 10:33
        4h 17m
        Direct
        ORD 16:50
        Seattle - Chicago | Sun, Nov 1 | Alaska Airlines
        JPY 48,630
        36% off
        JPY 76,530 JPY 48,630
      • ORD 17:46
        4h 42m
        Direct
        SEA 20:28
        Chicago - Seattle | Wed, Oct 21 | Alaska Airlines
        SEA 10:33
        4h 17m
        Direct
        ORD 16:50
        Seattle - Chicago | Sun, Oct 25 | Alaska Airlines
        JPY 51,720
        32% off
        JPY 76,530 JPY 51,720
      • ORD 21:55
        4h 41m
        Direct
        SEA 00:36
        Chicago - Seattle | Wed, Oct 21 | American Airlines
        SEA 06:12
        4h 14m
        Direct
        ORD 12:26
        Seattle - Chicago | Sun, Oct 25 | American Airlines
        JPY 52,990
        31% off
        JPY 76,530 JPY 52,990
      • ORD 17:30
        4h 46m
        Direct
        SEA 20:16
        Chicago - Seattle | Wed, Oct 21 | Delta Air Lines
        SEA 07:15
        4h 15m
        Direct
        ORD 13:30
        Seattle - Chicago | Sun, Oct 25 | Delta Air Lines
        JPY 53,570
        30% off
        JPY 76,530 JPY 53,570
      • CHI 13:00
        17h 25m
        1 stop
        SEA 14:00
        Chicago - Seattle | Mon, Oct 5 | Normal Airline
        SEA 15:00
        6h
        Direct
        CHI 16:00
        Seattle - Chicago | Wed, Oct 7 | Normal Airline
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      • Cheapest nonstop
        ORD 17:30
        4h 46m
        Direct
        SEA 20:16
        Chicago - Seattle | Sun, Nov 15 | Delta Air Lines
        JPY 16,120 JPY 27,680
        42% off
        42% off
        JPY 27,680 JPY 16,120
      • ORD 18:33
        4h 54m
        Direct
        SEA 21:27
        Chicago - Seattle | Thu, Nov 19 | Alaska Airlines
        JPY 18,700 JPY 27,680
        32% off
        32% off
        JPY 27,680 JPY 18,700
      • ORD 18:00
        4h 48m
        Direct
        SEA 20:48
        Chicago - Seattle | Thu, Nov 19 | Delta Air Lines
        JPY 19,350 JPY 27,680
        30% off
        30% off
        JPY 27,680 JPY 19,350
      • ORD 06:30
        10h 42m
        1 stop
        SEA 15:12
        Chicago - Seattle | Fri, Oct 30 | Frontier Airlines
        JPY 14,500
        48% off
        JPY 27,680 JPY 14,500
      • ORD 06:30
        10h 42m
        1 stop
        SEA 15:12
        Chicago - Seattle | Mon, Nov 9 | Frontier Airlines
        JPY 14,740
        47% off
        JPY 27,680 JPY 14,740
      • ORD 06:30
        10h 42m
        1 stop
        SEA 15:12
        Chicago - Seattle | Fri, Nov 20 | Frontier Airlines
        JPY 14,850
        46% off
        JPY 27,680 JPY 14,850
      • ORD 06:30
        10h 38m
        1 stop
        SEA 15:08
        Chicago - Seattle | Thu, Oct 15 | Frontier Airlines
        JPY 17,620
        36% off
        JPY 27,680 JPY 17,620
      • ORD 06:30
        10h 42m
        1 stop
        SEA 15:12
        Chicago - Seattle | Mon, Nov 23 | Frontier Airlines
        JPY 19,350
        30% off
        JPY 27,680 JPY 19,350
      • ORD 06:30
        10h 42m
        1 stop
        SEA 15:12
        Chicago - Seattle | Wed, Nov 25 | Frontier Airlines
        JPY 19,350
        30% off
        JPY 27,680 JPY 19,350
      • ORD 06:30
        10h 42m
        1 stop
        SEA 15:12
        Chicago - Seattle | Fri, Nov 27 | Frontier Airlines
        JPY 19,350
        30% off
        JPY 27,680 JPY 19,350
      • ORD 06:30
        10h 42m
        1 stop
        SEA 15:12
        Chicago - Seattle | Fri, Nov 6 | Frontier Airlines
        JPY 19,370
        30% off
        JPY 27,680 JPY 19,370
      • ORD 06:30
        10h 42m
        1 stop
        SEA 15:12
        Chicago - Seattle | Fri, Nov 13 | Frontier Airlines
        JPY 19,370
        30% off
        JPY 27,680 JPY 19,370
      • CHI 13:00
        17h 25m
        1 stop
        SEA 14:00
        Chicago - Seattle | Mon, Oct 5 | Normal Airline
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Displayed flight fares from O'Hare International Airport to Seattle-Tacoma International Airport are based on average prices across airlines for the next 3 months according to the latest Trip.com data.

Trip.com Price Insights: Flights from O'Hare International Airport to Seattle-Tacoma International Airport

What is the cheapest month to fly from O'Hare International Airport to Seattle-Tacoma International Airport?

The data is based on the past 12 months and shows the average one-way ticket prices from O'Hare International Airport to Seattle-Tacoma International Airport for each month in the Trip.com database.

Based on Trip.com's data from the past 12 months, the cheapest one-way flights from O'Hare International Airport to Seattle-Tacoma International Airport are usually in September, with an average price of JPY 25,090. It is best to avoid January, when the average price can reach JPY 37,070.

JPY 37,070
JPY 31,080
JPY 25,090
JPY 19,100
  • JPY 25,090
    Sep
  • JPY 26,170
    Oct
  • JPY 30,080
    Nov
  • JPY 35,760
    Dec
  • JPY 37,070
    Jan
  • JPY 27,860
    Feb
  • JPY 29,640
    Mar
  • JPY 32,460
    Apr
  • JPY 34,110
    May
  • JPY 32,500
    Jun
  • JPY 34,080
    Jul
  • JPY 35,710
    Aug

What is the cheapest day of the week to fly from O'Hare International Airport to Seattle-Tacoma International Airport?

The data is based on the past 12 months and shows the average ticket prices from O'Hare International Airport to Seattle-Tacoma International Airport for each day of the week in the Trip.com database.

Based on Trip.com's data from the past 12 months, the cheapest departure day from O'Hare International Airport to Seattle-Tacoma International Airport is Friday, with average prices usually lower than other days. Avoid departing on Sunday as prices are typically highest on that day.

JPY 38,250
JPY 34,255
JPY 30,260
JPY 26,265
    Cheapest
  • JPY 36,780
    Mon
  • JPY 31,310
    Tue
  • JPY 31,370
    Wed
  • JPY 31,780
    Thu
  • JPY 30,260
    Fri
  • JPY 30,770
    Sat
  • JPY 38,250
    Sun

Which airline offers the cheapest flights from O'Hare International Airport to Seattle-Tacoma International Airport?

The cheapest airline flying from O'Hare International Airport to Seattle-Tacoma International Airport is Alaska Airlines (from JPY 14,080) among 7 carriers operating this route. Based on Trip.com's latest 7-day flight data.

Alaska Airlines
From JPY 14,080
Delta Air Lines
From JPY 14,290
Frontier Airlines
From JPY 14,550
American Airlines
From JPY 15,000
United Airlines
From JPY 22,540
Sun Country Airlines
From JPY 30,900
Qatar Airways
From JPY 282,500

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What is the flight schedule from O'Hare International Airport to Seattle-Tacoma International Airport?

Check the schedule for flights from Chicago to Seattle and find the flight that best matches your travel plans.

Flight info.
Departure
Arrival
Weekly Schedule

  1. DL1564

    O'Hare International Airport

    12:40

    ORD

    4h 39m

    15:19

    SEA

    S M T W T F S
    Search

  2. AS579

    O'Hare International Airport

    19:16

    ORD

    4h 43m

    21:59

    SEA

    S - - W T - S
    Search

  3. AS583

    O'Hare International Airport

    09:00

    ORD

    4h 44m

    11:44

    SEA

    S M T W T F S
    Search

  4. DL2041

    O'Hare International Airport

    07:20

    ORD

    4h 45m

    10:05

    SEA

    S M T W T F S
    Search

  5. DL1818

    O'Hare International Airport

    17:30

    ORD

    4h 46m

    20:16

    SEA

    - M T W T F -
    Search

  6. AA2392

    O'Hare International Airport

    21:52

    ORD

    4h 51m

    00:43

    SEA

    S M T W T F S
    Search

  7. AS587

    O'Hare International Airport

    06:00

    ORD

    4h 57m

    08:57

    SEA

    S M T W T F S
    Search

  8. DL1940

    O'Hare International Airport

    14:04

    ORD

    3h 46m

    Direct

    16:50

    SLC

    - M T W T F -
    Search

  9. DL871

    Salt Lake City International Airport

    17:10

    SLC

    2h 20m

    Direct

    18:30

    SEA

    S M T W T F S

  10. F92145

    O'Hare International Airport

    05:15

    ORD

    4h 12m

    Direct

    07:27

    LAS

    S - - - - - S
    Search

  11. F94203

    Harry Reid International Airport

    09:39

    LAS

    2h 58m

    Direct

    12:37

    SEA

    S - - - - - -

  12. F91483

    O'Hare International Airport

    07:25

    ORD

    3h 9m

    Direct

    09:34

    DEN

    S M T W T F S
    Search

  13. F91175

    Denver International Airport

    13:07

    DEN

    3h 5m

    Direct

    15:12

    SEA

    S M T W T F S
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About O'Hare International Airport and Seattle-Tacoma International Airport

Learn about O'Hare International Airport (ORD) and Seattle-Tacoma International Airport (SEA) — including location, terminals, transportation, and travel tips.

Flight distance 2,764.37km
Cheapest one-way ticket price JPY 14,500
Cheapest return ticket price JPY 29,380

FAQs for O'Hare International Airport to Seattle-Tacoma International Airport Flights

  • How long is the flight from O'Hare International Airport to Seattle-Tacoma International Airport?

    O'Hare International Airport to Seattle-Tacoma International Airport takes about 4 hours 20 minutes on average. Actual flight time may vary depending on route, weather and air traffic.
  • There are around 17 daily flights from O'Hare International Airport (ORD) to Seattle-Tacoma International Airport (SEA).
  • The earliest flight from O'Hare International Airport to Seattle-Tacoma International Airport departs at 06:00, and the last departs at 21:24, with about 24 flights per day. Flight times may change, so please check the latest departure and arrival times before you travel.
  • The route from O'Hare International Airport (ORD) to Seattle-Tacoma International Airport (SEA) is quite popular. Without considering departure times or holidays, tickets cost around JPY 42,820 in October, the most expensive month to book this route.
    • The distance from Seattle-Tacoma International Airport to downtown is about 17km, by taxi about 30 minutes.
  • American Airlines is a very popular airline operating an average of 4546 flights per month.
  • One-way flights from O'Hare International Airport to Seattle-Tacoma International Airport currently start from JPY 14,500, and round-trip fares start from JPY 29,380. The current lowest fare is a Frontier Airlines flight departing on Fri, Oct 30; prices may vary depending on availability.
  • Yes. United Airlines, Alaska Airlines, American Airlines and Delta Air Lines operate direct flights from O'Hare International Airport to Seattle-Tacoma International Airport, with an average flight time of 5 hours 14 minutes, and around 152 weekly flights. Actual flight frequency may vary by season.
  • Based on Trip.com flight data for departures within the next 30 days with at most one stop, the average one-way price from O'Hare International Airport to Seattle-Tacoma International Airport is JPY 32,930. Prices may vary depending on the departure date, airline, and availability.
  • O'Hare International Airport to Seattle-Tacoma International Airport operates around 154 weekly flights, mainly by United Airlines, American Airlines and Alaska Airlines. Actual frequency may vary during holidays and seasonal schedule adjustments.
  • Enter O'Hare International Airport and Seattle-Tacoma International Airport, select your departure date and number of passengers, then compare flights by price, flight duration, and baggage allowance. Once you've chosen a fare, review the change and refund rules, fill in passenger details, and pay to receive your booking confirmation.

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Note: Prices shown on this page are the estimated lowest prices and include all taxes and fees found in the last 24 hours.

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Prices displayed on this page are all-inclusive (including taxes, fuel surcharges, civil aviation development fund, etc.), with all fees confirmed before payment. Fees for luggage, meals, Wi-Fi, or other additional services are also included as shown in the flight cards.

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Prices, availability, and travel information on this page have been updated within the last 24 hours—sometimes even in real time. The more popular the route, the more accurate the data.

Change & Cancellation Policy

Trip.com shows the cancellation and change policies for each flight ticket during the booking process, including any fees and applicable conditions. Please check the following scenarios:
Voluntary cancellation/change:
To request a change or cancellation, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and flight segment, and submit your request. Please note that additional charges may apply according to the airline's ticket policy.
Cancellation/change due to a flight schedule change:
If the flight schedule has changed and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please visit the customer support pages.