Flight INFO & United Airlines(UA) flights from Chicago to Seattle

Cheapest nonstop flight price

$44

Cheapest round-trip ticket price

$92

Off-season for travel

November

Peak season for travel

September

Book United Airlines(UA) flights from Chicago to Seattle

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  • Round-trip
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Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

United Airlines(UA) flights from Chicago to Seattle & Flight Schedule

Flight info.
Departure
Arrival
Weekly Schedule
  1. UA1314

    05:00

    ORD

    2.7h

    06:42

    DEN

    SMTW--S
  2. UA1399

    08:07

    DEN

    2.9h

    10:02

    SEA

    SMTWTFS
  3. UA336

    06:05

    ORD

    4.7h

    08:47

    SFO

    SMTWTFS
  4. UA2650

    12:55

    SFO

    2.4h

    15:17

    SEA

    ----TF-
  5. UA2159

    06:15

    ORD

    4.5h

    08:44

    LAX

    ---WT--
  6. UA2013

    08:45

    LAX

    2.8h

    11:30

    SEA

    SMTWT-S
  7. UA1331

    07:10

    ORD

    4.4h

    09:35

    LAX

    SMT---S
  8. UA2013

    08:45

    LAX

    2.8h

    11:30

    SEA

    SMTWT-S
  9. UA300

    07:15

    ORD

    4.8h

    10:05

    SFO

    SMT---S
  10. UA2171

    12:59

    SFO

    2.4h

    15:23

    SEA

    SMTW--S
  11. UA1308

    09:01

    ORD

    4.7h

    Direct

    11:43

    SEA

    SMTWTFS
  12. UA2278

    16:00

    ORD

    4.7h

    Direct

    18:40

    SEA

    SMTWTFS
  13. UA2095

    16:30

    ORD

    4.6h

    19:06

    LAX

    SMTWTFS
  14. UA1631

    20:30

    LAX

    2.5h

    23:00

    SEA

    SMTWTFS
  15. UA767

    20:05

    ORD

    2.8h

    21:54

    DEN

    SMTWTF-
  16. AS643

    06:00

    DEN

    3.0h

    07:58

    SEA

    S-TWTFS
  17. UA2289

    20:08

    ORD

    4.7h

    Direct

    22:50

    SEA

    SMTWTFS
Show less

United Airlines(UA) flights from Chicago to Seattle Flight Booking FAQ

  • When are flight tickets from Chicago (CHI) to Seattle (SEA) the cheapest?

    Airlines adjust prices for flights from Chicago to Seattle based on the departure date and time of your selection. By analyzing data from all airlines, we've discovered that on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays.
  • How much do flights from Chicago (CHI) to Seattle (SEA) cost?

    According to Trip.com's data, the lowest price is around $302.
  • How long does it take to fly from Chicago (CHI) to Seattle (SEA) and what is the distance?

    It takes around 4 hours 37 minutes to fly from Chicago (CHI) to Seattle (SEA).
  • What is the transportation method from the main airport to downtown in Seattle?

    • The distance from Seattle-Tacoma International Airport to downtown is about 17km. It takes about 30 minutes by taxi.
  • What are the most popular airlines that fly from Chicago (CHI) to Seattle (SEA)?