Ontario (ONT) to Seattle (SEA) flights

Program	Economy	Taxes and fees
Alaska Atmos RewardsOn Alaska Airlines	7,500	$5.60
Iberia ClubOn Alaska Airlines	9,000	$5.60
Starlux (COSMILE)On Alaska Airlines	10,000	$38.60
Virgin Atlantic Flying ClubOn Delta Air Lines	11,000	$5.60
JAL Mileage BankOn Alaska Airlines	12,000	$5.60
American AAdvantageOn Alaska Airlines	12,500	$5.60
Qatar Airways Privilege ClubOn Alaska Airlines	13,000	$5.60
Cathay Pacific Asia MilesOn Alaska Airlines	15,000	$5.60
SAS EuroBonusOn Delta Air Lines	15,000	$56–112
British Airways ClubOn Alaska Airlines	16,000	$5.60
Qantas Frequent FlyerOn Alaska Airlines	16,100	$5.60
Finnair PlusOn Alaska Airlines	17,500	$5.60

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

• 
  Alaska Airlinesoneworld · bookable with 9 programsWho books it
• 
  Delta Air LinesSkyTeam · bookable with 8 programsWho books it
• 
  Frontier AirlinesNot in an allianceWho books it

• Aeromexico RewardsBooks Delta Air Lines
• Air France-KLM Flying BlueBooks Delta Air Lines
• Alaska Atmos RewardsBooks Alaska Airlines
• American AAdvantageBooks Alaska Airlines
• British Airways ClubBooks Alaska Airlines
• Cathay Pacific Asia MilesBooks Alaska Airlines
• China Eastern Eastern MilesBooks Delta Air Lines
• Delta SkyMilesBooks Delta Air Lines
• Finnair PlusBooks Alaska Airlines
• Garuda Indonesia GarudaMilesBooks Delta Air Lines
• Iberia ClubBooks Alaska Airlines
• JAL Mileage BankBooks Alaska Airlines
• Korean Air SKYPASSBooks Delta Air Lines
• Qantas Frequent FlyerBooks Alaska Airlines
• Qatar Airways Privilege ClubBooks Alaska Airlines
• SAS EuroBonusBooks Delta Air Lines
• Virgin Atlantic Flying ClubBooks Delta Air Lines

• Via Portland (PDX)Alaska Airlines the whole way
  
  
  
  
• Via Sacramento (SMF)Southwest Airlines the whole way
  
  
  
  
  
• Via San Jose (SJC)Southwest Airlines the whole way
  
  
  
  
• Via Oakland (OAK)Southwest Airlines the whole way
  
  
  
  
• Via Santa Rosa (STS)Alaska Airlines the whole way
  
  
• Via San Francisco (SFO)United Airlines the whole way
  
  
  
  
  
• Via Boise (BOI)Alaska Airlines the whole way
  
  
  
• Via Las Vegas (LAS)Southwest Airlines and Frontier Airlines the whole way
  
  
  
  
  
  +2
• Via Salt Lake City (SLC)Delta Air Lines the whole way
  
  
  
• Via Phoenix (PHX)American Airlines and Southwest Airlines the whole way
  
  
  
  
  
  +1
• Via Denver (DEN)Frontier Airlines, United Airlines and 1 more the whole way
  
  
  
  
  
  
  +3