Chicago (ORD) to Seattle (SEA) flights
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.
Airlines flying nonstop from ORD to SEA
- 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 ORD to SEA 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
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
- Via Spokane (GEG)United Airlines and American Airlines, then Alaska Airlines and Delta Air Lines
- Via Billings (BIL)United Airlines and American Airlines, then Alaska Airlines
- Via Bozeman (BZN)American Airlines and United Airlines, then Alaska Airlines and Delta Air Lines
- Via Kalispell (FCA)United Airlines and American Airlines, then Alaska 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)American Airlines and United Airlines, then Alaska Airlines
- Via Jackson (JAC)American Airlines and United Airlines, then Alaska Airlines
- Via Omaha (OMA)American Airlines and United Airlines, then Alaska Airlines
- Via Idaho Falls (IDA)American Airlines and United Airlines, then Alaska Airlines
- Via Lincoln (LNK)American Airlines the whole way
- Via Sun Valley (SUN)United Airlines and American Airlines, then Alaska Airlines and Delta Air Lines
- Via Boise (BOI)American Airlines and United Airlines, then Alaska Airlines and Delta Air Lines
- Via Calgary (YYC)WestJet the whole way
ORD to SEA: common questions
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.
How many miles does ORD to SEA cost?
It depends on the program: each prices the route from its own chart or dynamically. The Award Flight Pricer compares 30+ programs for ORD to SEA with taxes and fees.
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.