Direct flights from Ontario (ONT) to Seattle (SEA)

2 airline(s) are operating this 1548 km flight route, which has a flight time of 2h 58min.

ONT
Ontario International Airport
SEA
Seattle-Tacoma International Airport
Depart
Return
1, Economy
1, Economy
Search flights
route-map
United-States
ONT Ontario
route-path
United-States
SEA Seattle

Distance 962 miles (1548 km)

Flight time 2h 58min

Airlines with direct flights from Ontario International Airport to Seattle-Tacoma International Airport

Alaska Airlines

Alaska Airlines business available

Sunday
Monday
Tuesday
Wednesday
Thursday
Friday
Saturday

business available

2-3 daily flights

Delta Air Lines

Delta Air Lines business available

Sunday
Monday
Tuesday
Wednesday
Thursday
Friday
Saturday

business available

2-3 daily flights

Non-stop flights schedule from Ontario to Seattle

The Ontario International Airport calendar provides a comprehensive overview of all direct flight departures. With the help of the calendar, you can quickly and easily explore all the available flights to Seattle-Tacoma International Airport. If you find a suitable timetable, simply click on it to access a list of flights. Alternatively, you can make a search to compare and find the best prices for your desired destination.

Flights Schedule

Airline Flight Mon Tue Wed Thu Fri Sat Sun
Alaska Airlines
Alaska Airlines
AS 1091
Su
06:00
Mo
06:00
Tu
06:00
We
06:00
Th
06:00
Fr
06:00
Sa
06:00
Alaska Airlines
Alaska Airlines
AS 1255
Su
10:05
Mo
10:05
Tu
10:05
We
10:05
Th
10:05
Fr
10:05
Sa
10:05
Alaska Airlines
Alaska Airlines
AS 1087
Su
20:55
Mo
20:55
Tu
We
Th
20:55
Fr
20:55
Sa
Delta Air Lines
Delta Air Lines
DL 2530
Su
06:00
Mo
06:00
Tu
06:00
We
06:00
Th
06:00
Fr
06:00
Sa
06:00
Delta Air Lines
Delta Air Lines
DL 928
Su
11:44
Mo
11:44
Tu
11:44
We
11:44
Th
11:44
Fr
11:44
Sa
11:44
Delta Air Lines
Delta Air Lines
DL 1687
Su
Mo
19:08
Tu
19:08
We
19:08
Th
19:08
Fr
19:08
Sa

Ontario to Seattle direct flight price statistics

For those looking for the most affordable option, a direct flight from Ontario International Airport to Seattle-Tacoma International Airport can be found for as little as 172€, with the cheapest time to fly being in March.
The average prices for direct flights between Ontario International Airport (ONT) and Seattle-Tacoma International Airport (ONT) are determined based on user searches and calculated from the lowest prices found per month for a round-trip ticket with a single adult. Please note that the prices may vary depending on the amount of data available for this particular route.

€215 Approximately

€204 Jan
€149 Feb
€187 March
€148 April
€207 May
€370 June
€289 July
€240 Aug
€184 Sep
€184 Oct
€203 Nov
€221 Dec

Approximate prices for a flight between Ontario International Airport (ONT) and Seattle-Tacoma International Airport (ONT)

Ontario International Airport

Departing from Ontario International Airport (ONT)

Ontario International Airport (ONT) is one of the larger airports in the United States, serving a significant number of travelers and offering various domestic and international flights.

Show all flights from ONT →
arrow-right
Seattle-Tacoma International Airport

Arriving to Seattle-Tacoma International Airport (SEA)
belgium

Seattle Tacoma International Airport (SEA) is a major airport located in the United States, serving as a key hub for domestic and international flights.

Show all flights from SEA →

Best in Ontario

news

Cheap car rentals in Ontario

Compare prices and book now with free cancellation

Search cars
news

Best hotel deals in Ontario

star star star star star
-70% Discounted Hotels
news

Excursions & Activities in Ontario

Find a local guide or reserve a ticket to the museums

Book an Excursion

Aircrafts flying on this route

The following is a list of aircraft types utilized on this route, along with their corresponding seat capacity and available classes.
  • airplane

    Boeing 737-900 (winglets) Passenger/BBJ3

    Alaska Airlines
    178 seats (all economy)
  • airplane

    Boeing 737-700 Passenger

    Alaska Airlines
    124 seats (all economy)
  • airplane

    Boeing 737-800 (winglets) Passenger/BBJ2

    Alaska Airlines
    174 seats (all economy)
  • airplane

    Boeing 737-900 Passenger

    Alaska Airlines
    181 seats (all economy)
  • airplane

    Boeing 737-800 Passenger

    Delta Air Lines
    167 seats (all economy)
  • airplane

    Code 221

    Delta Air Lines
    109 seats (all economy)

Ontario to Seattle: Flight information

Here are some key points to keep in mind before your trip:
  • ticket

    Cheapest flight found

    148€
  • clock

    Average flight time

    2:58 h
  • checkmark-calendar

    Cheapest month for a flight

    April
  • send

    Most popular airline

    Alaska Airlines
  • regular-calendar

    Flights per week

    14

Frequently asked questions (FAQ)

How much time does it take to fly from Ontario International Airport to Seattle-Tacoma International Airport?

The average flight time between Ontario International Airport and Seattle-Tacoma International Airport typically takes 2h 58min

How many airlines provide direct flights between Ontario International Airport and Seattle-Tacoma International Airport?

2 airline(s): Alaska Airlines, Delta Air Line make direct flights to Seattle-Tacoma International Airport (SEA).

How much does it usually cost to fly from Ontario to Seattle?

You can fly directly from Ontario International Airport and Seattle-Tacoma International Airport for only 172€ if you book in March. A non-stop flight will cost you 370€ in June, when flight prices are higher.

Which airline is the most in-demand on this route?

Alaska Airlines is the most popular airline with direct flights between Ontario to Seattle.

What is the flight travel distance from Ontario to Seattle?

Distance from Ontario to Seattle is approximately 1548 kilometers

Our advantages

medal

100% Free

Europefly is a free platform, so you can begin saving right now.

flexibility

Book with Flexibility

Plan your travels in advance without and find flights with no changes fees

smart

Travel smart

Every year, we assist millions of people with their flight requirements. Our platform offers valuable insights and data-driven charts, which can aid in making informed decisions and simplify travel planning.

Reviews

star
star
star
star
star
4 (14234 reviews)

Emma

star
star
star
star
star
5

My preferred website for comparing flight options is Europefly. Frequently, the prices available on this platform are lower than those found on airline websites.

Markus

star
star
star
star
star
4

Europefly is straightforward and user-friendly. It is highly recommended for people who wish to visit their hometown or explore different countries for vacation purposes.

Elena

star
star
star
star
star
5

The pricing offered by Europefly is exceptionally competitive, and they provide additional options that are not available on many other sites. As a result, I was able to save a considerable amount of money.

Kimberly

star
star
star
star
star
5

Europefly provides a fast and efficient service that allows us to compare flight prices quickly and easily book our tickets. The availability of flights is also displayed, which is extremely beneficial. Overall, the platform is helpful and user-friendly.

Simona

star
star
star
star
star
5

I had an excellent experience using this platform to find the best ticket that offered a perfect balance of cost and travel time. It has become my preferred website for searching flight tickets.

Kim

star
star
star
star
star
4

I have previously used Europefly, and it has always been a hassle-free and efficient experience. I plan to continue using the platform for future bookings.

Elizabeth

star
star
star
star
star
4

I was pleased with the outcome of my search for a flight and found a reasonable price through this platform. I have consistently used this site to book my international flights.