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

Seattle (SEA) to Chicago (ORD) flights

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

An economy award from Seattle (SEA) to Chicago (ORD) 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 Seattle (SEA) to Chicago (ORD): 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 68 ways to fly it with one stop, through Missoula, Spokane and Billings and more.

How many miles SEA to ORD 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 SEA to ORD

  • 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 SEA to ORD with points

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

SEA to ORD with one stop

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

  • Via Missoula (MSO)Alaska Airlines, then American Airlines and United Airlines
    Alaska Airlines logo
    American Airlines logo
    United Airlines logo
  • Via Spokane (GEG)Alaska Airlines and Delta Air Lines, then United Airlines and American Airlines
    Alaska Airlines logo
    Delta Air Lines logo
    United Airlines logo
    American Airlines logo
  • Via Billings (BIL)Alaska Airlines, then United Airlines and American Airlines
    Alaska Airlines logo
    United Airlines logo
    American Airlines logo
  • Via Bozeman (BZN)Alaska Airlines and Delta Air Lines, then American Airlines and United Airlines
    Alaska Airlines logo
    Delta Air Lines logo
    American Airlines logo
    United Airlines logo
  • Via Kalispell (FCA)Alaska Airlines, then United Airlines and American Airlines
    Alaska Airlines logo
    United Airlines logo
    American Airlines logo
  • Via Minneapolis (MSP)Delta Air Lines and Sun Country Airlines the whole way
    Alaska Airlines logo
    Delta Air Lines logo
    Sun Country Airlines logo
    American Airlines logo
    Delta Air Lines logo
    United Airlines logo
    +1
  • Via Cedar Rapids (CID)American Airlines the whole way
    American Airlines logo
    American Airlines logo
    United Airlines logo
  • Via Milwaukee (MKE)Alaska Airlines, then American Airlines and United Airlines
    Alaska Airlines logo
    American Airlines logo
    United Airlines logo
  • Via Jackson (JAC)Alaska Airlines, then American Airlines and United Airlines
    Alaska Airlines logo
    American Airlines logo
    United Airlines logo
  • Via Omaha (OMA)Alaska Airlines, then American Airlines and United Airlines
    Alaska Airlines logo
    American Airlines logo
    United Airlines logo
  • Via Idaho Falls (IDA)Alaska Airlines, then American Airlines and United Airlines
    Alaska Airlines logo
    American Airlines logo
    United Airlines logo
  • Via Lincoln (LNK)American Airlines the whole way
    American Airlines logo
    United Airlines logo
    American Airlines logo
  • Via Sun Valley (SUN)Alaska Airlines and Delta Air Lines, then United Airlines and American Airlines
    Alaska Airlines logo
    Delta Air Lines logo
    United Airlines logo
    American Airlines logo
  • Via Boise (BOI)Alaska Airlines and Delta Air Lines, then American Airlines and United Airlines
    Alaska Airlines logo
    Delta Air Lines logo
    American Airlines logo
    United Airlines logo
  • Via Calgary (YYC)WestJet the whole way
    Alaska Airlines logo
    WestJet logo
    American Airlines logo
    United Airlines logo
    WestJet logo
See all 68 in Routes

SEA to ORD: common questions

How many miles does SEA to ORD 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 SEA to ORD?

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

How far is Seattle from Chicago by plane?

Seattle (SEA) and Chicago (ORD) 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 SEA to ORD 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 Seattle and Chicago?

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.