United States Β· 1,716 miles (2,761 km)

Chicago (ORD) to Seattle (SEA) flights

American AAdvantage logo
5,500 milesCheapest economy award, one way, with American AAdvantage

An economy award from Chicago (ORD) to Seattle (SEA) starts at 5,500 miles one way with American AAdvantage on American Airlines, plus taxes and fees from $5.60. 4 airlines fly nonstop from Chicago (ORD) to Seattle (SEA): Alaska Airlines, American Airlines, Delta Air Lines and United Airlines. The two airports are 1,716 miles (2,761 km) apart. Alaska Airlines and American Airlines are in oneworld, Delta Air Lines is in SkyTeam and United Airlines is in Star Alliance. There are also 69 ways to fly it with one stop, through Missoula, Spokane and Billings and more.

How many miles ORD to SEA costs

Economy, one way, on the nonstop flights, from the Award Flight Pricer's award charts. Ranges run off-peak to peak; "from" is the floor of a dynamic price.

ProgramEconomyTaxes and fees
American AAdvantageOn American Airlines5,500$5.60
Alaska Atmos RewardsOn Alaska Airlines10,000$5.60
Avianca LifeMilesOn United Airlines10,000$30.60
Iberia ClubOn American Airlines11,000$5.60
Air Canada AeroplanOn United Airlines12,500$33.60
Qatar Airways Privilege ClubOn American Airlines14,500$5.60
ANA Mileage ClubOn United Airlines15,000$5.60
Cathay Pacific Asia MilesOn American Airlines15,000$5.60
JAL Mileage BankOn American Airlines15,000$5.60
SAS EuroBonusOn Delta Air Lines15,000$56–112
Singapore Airlines KrisFlyerOn United Airlines15,000$5.60
Starlux (COSMILE)On Alaska Airlines15,000$38.60

Business and first class prices, and 10 more programs, are in the Award Flight Pricer. Chart prices need award space on your date, so search it before you transfer points.

Compare every program in the Award Flight Pricer

Airlines flying nonstop from ORD to SEA

  • Alaska Airlines logo
    Alaska Airlinesoneworld Β· bookable with 9 programsWho books it
  • American Airlines logo
    American Airlinesoneworld Β· bookable with 9 programsWho books it
  • Delta Air Lines logo
    Delta Air LinesSkyTeam Β· bookable with 8 programsWho books it
  • United Airlines logo
    United AirlinesStar Alliance Β· bookable with 13 programsWho books it

Book ORD to SEA with points

Loyalty programs that can book at least one of the nonstop airlines, from the Award Booking Guide.

ORD to SEA with one stop

69 connections, most direct first. 2-stop routings and flight times are in Routes with Pro.

  • Via Missoula (MSO)American Airlines and United Airlines, then Alaska Airlines
    American Airlines logo
    United Airlines logo
    Alaska Airlines logo
  • Via Spokane (GEG)United Airlines and American Airlines, then Alaska Airlines and Delta Air Lines
    United Airlines logo
    American Airlines logo
    Alaska Airlines logo
    Delta Air Lines logo
  • Via Billings (BIL)United Airlines and American Airlines, then Alaska Airlines
    United Airlines logo
    American Airlines logo
    Alaska Airlines logo
  • Via Bozeman (BZN)American Airlines and United Airlines, then Alaska Airlines and Delta Air Lines
    American Airlines logo
    United Airlines logo
    Alaska Airlines logo
    Delta Air Lines logo
  • Via Kalispell (FCA)United Airlines and American Airlines, then Alaska Airlines
    United Airlines logo
    American Airlines logo
    Alaska Airlines logo
  • Via Minneapolis (MSP)Delta Air Lines and Sun Country Airlines the whole way
    American Airlines logo
    Delta Air Lines logo
    United Airlines logo
    +1
    Alaska Airlines logo
    Delta Air Lines logo
    Sun Country Airlines logo
  • Via Cedar Rapids (CID)American Airlines the whole way
    American Airlines logo
    United Airlines logo
    American Airlines logo
  • Via Milwaukee (MKE)American Airlines and United Airlines, then Alaska Airlines
    American Airlines logo
    United Airlines logo
    Alaska Airlines logo
  • Via Jackson (JAC)American Airlines and United Airlines, then Alaska Airlines
    American Airlines logo
    United Airlines logo
    Alaska Airlines logo
  • Via Omaha (OMA)American Airlines and United Airlines, then Alaska Airlines
    American Airlines logo
    United Airlines logo
    Alaska Airlines logo
  • Via Idaho Falls (IDA)American Airlines and United Airlines, then Alaska Airlines
    American Airlines logo
    United Airlines logo
    Alaska Airlines logo
  • Via Lincoln (LNK)American Airlines the whole way
    United Airlines logo
    American Airlines logo
    American Airlines logo
  • Via Sun Valley (SUN)United Airlines and American Airlines, then Alaska Airlines and Delta Air Lines
    United Airlines logo
    American Airlines logo
    Alaska Airlines logo
    Delta Air Lines logo
  • Via Boise (BOI)American Airlines and United Airlines, then Alaska Airlines and Delta Air Lines
    American Airlines logo
    United Airlines logo
    Alaska Airlines logo
    Delta Air Lines logo
  • Via Calgary (YYC)WestJet the whole way
    American Airlines logo
    United Airlines logo
    WestJet logo
    Alaska Airlines logo
    WestJet logo
See all 69 in Routes

ORD to SEA: common questions

How many miles does ORD to SEA cost?

In economy it starts at 5,500 miles one way with American AAdvantage on American Airlines, plus taxes and fees from $5.60. Next cheapest: Alaska Atmos Rewards (10,000), Avianca LifeMiles (10,000) and Iberia Club (11,000). These are award chart prices from the Award Flight Pricer. Programs that price dynamically can cost more on busy dates, so check yours before you transfer points. Business and first class prices are in the pricer too.

Which airlines fly nonstop from ORD to SEA?

Alaska Airlines (oneworld), American Airlines (oneworld), Delta Air Lines (SkyTeam) and United Airlines (Star Alliance) fly nonstop from Chicago (ORD) to Seattle (SEA).

How far is Chicago from Seattle by plane?

Chicago (ORD) and Seattle (SEA) are 1,716 miles (2,761 km) apart along the great circle, the shortest path a flight can take. Connections add distance on top.

Which points programs can book ORD to SEA award flights?

30 programs can book at least one of the nonstop airlines: Alaska Atmos Rewards, American AAdvantage, British Airways Club, Cathay Pacific Asia Miles, Finnair Plus, Iberia Club, JAL Mileage Bank, Qantas Frequent Flyer and 22 more. Which flights each can book depends on its partners, so check the airline before you transfer points.

Where can I connect between Chicago and Seattle?

The most direct connections are through Missoula (MSO), Spokane (GEG), Billings (BIL), Bozeman (BZN) and Kalispell (FCA). On 27 of them the same airline flies both flights, for example Delta Air Lines through Minneapolis.

More routes

Routes are scheduled nonstop flights. The route data is refreshed monthly; this list was last checked November 11, 2026. Seasonal routes and new launches can be missing or end early, so confirm with the airline before you book. Distances are great-circle, the shortest path between the two airports.