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Cheap Flights from Seattle to Ontario $143.6

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Here are your best fares found in the past 7 days

The lowest fare found for this route is $143.6 on Wed, May 03 from SEA to ONT
Flights Fare Calendar Find minimum fare between origin SEA and destination ONT Click this button to get previous 30 days data Click this button to get next 30 days data $378 $324 $270 $216 $162 $108 $54 $0 Apr May 24 25 26 27 28 29 30 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 1 2 3 4 5 6 7 8 9 10 11 M T W T F S S M T W T F S S M T W T F S S M T W T F S S M T W T F S S M T W T F S S M T W T F S S M T W T F S S M T W T F S S M T W T F S S M T W T F S S M T W T F S S M T W T F S S M T W T F S S M T W T F S S M T W T F Price is $ 324.4 on Alaska Airlines Price is $ 316.4 on Alaska Airlines Price is $ 311.14 on Delta Price is $ 287.0 on United Price is $ 276.4 on Alaska Airlines Price is $ 276.4 on Alaska Airlines Price is $ 276.4 on Alaska Airlines Price is $ 261.0 on American Airlines Price is $ 254.4 on Alaska Airlines Price is $ 254.4 on Alaska Airlines Price is $ 234.4 on Alaska Airlines Price is $ 234.4 on Alaska Airlines Price is $ 234.4 on Alaska Airlines Price is $ 234.4 on Alaska Airlines Price is $ 234.4 on Alaska Airlines Price is $ 232.6 on Delta Price is $ 230.79 on United Price is $ 230.79 on Alaska Airlines Price is $ 222.99 on Alaska Airlines Price is $ 222.99 on American Airlines Price is $ 220.69 on Alaska Airlines Price is $ 214.4 on Alaska Airlines Price is $ 214.4 on Alaska Airlines Price is $ 214.4 on Alaska Airlines Price is $ 214.4 on Alaska Airlines Price is $ 214.4 on Alaska Airlines Price is $ 214.4 on Alaska Airlines Price is $ 214.4 on Alaska Airlines Price is $ 214.4 on Alaska Airlines Price is $ 214.4 on Alaska Airlines Price is $ 214.4 on Alaska Airlines Price is $ 214.4 on Alaska Airlines Price is $ 214.4 on Alaska Airlines Price is $ 214.4 on Alaska Airlines Price is $ 214.4 on Alaska Airlines Price is $ 214.4 on Alaska Airlines Price is $ 214.4 on Alaska Airlines Price is $ 214.4 on Alaska Airlines Price is $ 214.4 on Alaska Airlines Price is $ 214.4 on Alaska Airlines Price is $ 214.4 on Alaska Airlines Price is $ 214.4 on Alaska Airlines Price is $ 208.8 on Alaska Airlines Price is $ 208.8 on Alaska Airlines Price is $ 202.99 on Alaska Airlines Price is $ 200.01 on Delta Price is $ 193.99 on Delta Price is $ 193.6 on United Price is $ 183.58 on United Price is $ 183.58 on United Price is $ 183.0 on United Price is $ 182.6 on Delta Price is $ 182.6 on Delta Price is $ 182.6 on Delta Price is $ 182.17 on Delta Price is $ 180.32 on United Price is $ 180.32 on Alaska Airlines Price is $ 180.32 on United Price is $ 179.84 on Delta Price is $ 143.6 on United

Cheapest Flights from Seattle to Ontario (SEA to ONT)

Prices found within past 7 days. Prices and availability subject to change. Additional terms may apply.
Ontario Airports

Orange County

$148.00

Long Beach

$146.40

Interesting Facts About Flights from Seattle to Ontario (SEA to ONT)

Question : Best case scenario, how quickly can someone get from SEA to ONT?
Answer : Alaska Airlines currently holds the shortest travel time with two hours and 23 minutes. For example, you would arrive in Ontario at 9:52 AM PDT if you left Seattle at 7:29 AM PDT.

Question : How many days should you spend in Ontario?
Answer : Passengers from SEA to ONT stay six days on average.

Question : In the next four weeks, what day should you book your trip?
Answer : As of Apr 17th, the best day for deals to Ontario (ONT) is Apr 26th. It costs $137, which is 42% below this route's average price.

Question : Can you cut down on flight costs by changing the day of the week you travel to Ontario?
Answer : Sunday is your cheapest day to fly in the month of May. Flexibility is paramount when booking travel plans in order to keep travel costs down.

Question : In terms of overall promptness, how does SEA to ONT rank compared to the rest of the world?
Answer : Using the combined on-time percentage and average delay breakdown, Seattle to Ontario currently has a 4 out of a possible 5 star rating. A 4-star rating means you should feel at ease about getting to Ontario on time.

Question : What's the expected flight time for SEA to ONT?
Answer : When flying from SEA to ONT, it will take two hours and 29 minutes on average.

Question : How many departure times from Seattle-Tacoma International Airport (SEA) to LA/Ontario International Airport (ONT) are there on a daily basis?
Answer : The number of flight times varies by day, but on average, SEA to ONT sees two different choices. That is lower than the national average of five.