Seattle (SEA) to Chicago (ORD) flights
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.
Airlines flying nonstop from SEA to ORD
- Alaska Airlinesoneworld · bookable with 9 programsWho books it
- American Airlinesoneworld · bookable with 9 programsWho books it
- Delta Air LinesSkyTeam · bookable with 8 programsWho books it
- United AirlinesStar Alliance · 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.
- Alaska Atmos RewardsBooks Alaska Airlines, American Airlines
- American AAdvantageBooks Alaska Airlines, American Airlines
- British Airways ClubBooks Alaska Airlines, American Airlines
- Cathay Pacific Asia MilesBooks Alaska Airlines, American Airlines
- Finnair PlusBooks Alaska Airlines, American Airlines
- Iberia ClubBooks Alaska Airlines, American Airlines
- JAL Mileage BankBooks Alaska Airlines, American Airlines
- Qantas Frequent FlyerBooks Alaska Airlines, American Airlines
- Qatar Airways Privilege ClubBooks Alaska Airlines, American Airlines
- Aeromexico RewardsBooks Delta Air Lines
- Air Canada AeroplanBooks United Airlines
- Air France-KLM Flying BlueBooks Delta Air Lines
- Air New Zealand AirpointsBooks United Airlines
- ANA Mileage ClubBooks United Airlines
- Avianca LifeMilesBooks United Airlines
- China Eastern Eastern MilesBooks Delta Air Lines
- Delta SkyMilesBooks Delta Air Lines
- Emirates SkywardsBooks United Airlines
- EVA Air Infinity MileageLandsBooks United Airlines
- Garuda Indonesia GarudaMilesBooks Delta Air Lines
- JetBlue TrueBlueBooks United Airlines
- Korean Air SKYPASSBooks Delta Air Lines
- Lufthansa Miles & MoreBooks United Airlines
- SAS EuroBonusBooks Delta Air Lines
- Singapore Airlines KrisFlyerBooks United Airlines
- TAP Miles&GoBooks United Airlines
- Thai Royal Orchid PlusBooks United Airlines
- Turkish Airlines Miles&SmilesBooks United Airlines
- United MileagePlusBooks United Airlines
- Virgin Atlantic Flying ClubBooks Delta Air Lines
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
- Via Spokane (GEG)Alaska Airlines and Delta Air Lines, then United Airlines and American Airlines
- Via Billings (BIL)Alaska Airlines, then United Airlines and American Airlines
- Via Bozeman (BZN)Alaska Airlines and Delta Air Lines, then American Airlines and United Airlines
- Via Kalispell (FCA)Alaska Airlines, then United Airlines and American Airlines
- Via Minneapolis (MSP)Delta Air Lines and Sun Country Airlines the whole way
+1 - Via Cedar Rapids (CID)American Airlines the whole way
- Via Milwaukee (MKE)Alaska Airlines, then American Airlines and United Airlines
- Via Jackson (JAC)Alaska Airlines, then American Airlines and United Airlines
- Via Omaha (OMA)Alaska Airlines, then American Airlines and United Airlines
- Via Idaho Falls (IDA)Alaska Airlines, then American Airlines and United Airlines
- Via Lincoln (LNK)American Airlines the whole way
- Via Sun Valley (SUN)Alaska Airlines and Delta Air Lines, then United Airlines and American Airlines
- Via Boise (BOI)Alaska Airlines and Delta Air Lines, then American Airlines and United Airlines
- Via Calgary (YYC)WestJet the whole way
SEA to ORD: common questions
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.
How many miles does SEA to ORD cost?
It depends on the program: each prices the route from its own chart or dynamically. The Award Flight Pricer compares 30+ programs for SEA to ORD with taxes and fees.
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.