Search Flights from Ontario to Seattle

Quick Flight Summary from Ontario to Seattle

Key numbers to know before you book

  • Lowest recent price
    $55
  • Direct flight duration 2 hour 59 min
  • Arrival airports LKE / SEA / PAE
  • Best days to book Thursday, Friday
  • Average over the last 30 days
    $127

Cheapest flights from Ontario to Seattle

Cheapest Direct Flight

Frontier Airlines

Frontier Airlines
29 Oct, Thu
Ontario – Seattle
3h 2m
Non-stop
ONT–SEA

Frontier Airlines

Frontier Airlines
30 Oct, Fri
Ontario – Seattle
3h 2m
Non-stop
ONT–SEA

Frontier Airlines

Frontier Airlines
5 Nov, Thu
Ontario – Seattle
3h 2m
Non-stop
ONT–SEA

Frontier Airlines

Frontier Airlines
6 Nov, Fri
Ontario – Seattle
3h 2m
Non-stop
ONT–SEA

Frontier Airlines

Frontier Airlines
13 Nov, Fri
Ontario – Seattle
3h 2m
Non-stop
ONT–SEA

Frontier Airlines

Frontier Airlines
19 Nov, Thu
Ontario – Seattle
3h 2m
Non-stop
ONT–SEA

Frontier Airlines

Frontier Airlines
12 Nov, Thu
Ontario – Seattle
3h 2m
Non-stop
ONT–SEA

Delta Air Lines

Delta Air Lines
7 Nov, Sat
Ontario – Seattle
3h 4m
Non-stop
ONT–SEA
Shortest Flight

Delta Air Lines

Delta Air Lines
9 Nov, Mon
Ontario – Seattle
3h 1m
Non-stop
ONT–SEA

Last update: 09 October 2026 00:56

Estimated Prices for Ontario to Seattle Flights

Cheapest Day29 October Thursday
Best Price
$54
Average Price
$140
$215
$54
$198
09Fri
Oct
$185
10Sat
$198
11Sun
$215
12Mon
$185
13Tue
$179
14Wed
$203
15Thu
$203
16Fri
$179
17Sat
$215
18Sun
$198
19Mon
$173
20Tue
$134
21Wed
$131
22Thu
$131
23Fri
$134
24Sat
$179
25Sun
$117
26Mon
$99
27Tue
28Wed
$54
29Thu
$54
30Fri
$99
31Sat
01Sun
Nov
$89
02Mon
$99
03Tue
$99
04Wed
$54
05Thu
$54
06Fri
$76
07Sat

Key Features of the Airlines

Information compiled by AI. For the most up-to-date information, contact the airline.

Transportation to Seattle City Center from Airport

Seattle Tacoma Intl. Airport

Neighboring Canada, the seaport city of Seattle is the largest city in the state of Washington and a major city in the U.S. The city gets its name from an ancient Native American chief and its official nickname is Emerald City due to its lush greenery and beautiful nature.

The city of Seattle is served by the Seattle-Tacoma International Airport, a major airport that handled over 42 million passengers in 2015. Also referred to as Sea-Tac Airport, Seattle-Tacoma International Airport is used as a major transfer airport due to its proximity to Canada. Located about 24 km from the city, there are a variety of transportation alternatives to get to the city center from the airport that are both quick and easy. The Link Light Rail system provides transportation between Sea-Tac Airport and downtown Seattle, which takes about 40 minutes. Other transportation alternatives to get to the city center from the airport include taxis, shuttle services, and rental cars.

Link Light Rail

The Link Light Rail system is the most commonly used means of public transportation in Seattle. These light rail trains are a great transportation alternative to get to the city center from Seattle-Tacoma International Airport. These trains provide transportation directly from the airport to downtown Seattle. The Link Light Rail is accessibly from the parking lot, on level 4. Trains operate every 7.5 to 15 minutes and take about 40 minutes to get to the city center from the airport. Monday to Saturday the Link Light Rail operates from 5 am to 1 am and on Sundays it operates from 6 am to midnight. Tickets can be purchased from kiosks at the station with cash or credit card.

Bicycle

Seattle-Tacoma International Airport features various bicycle resources for passengers who want to travel to and from the airport by bike. The airport features bicycle assembly stations, bicycle parking areas, and long-term storage areas. There are over 50 bicycle rental stations located in the city that are a part of the city’s bike share system. Fees start at 8 USD. You can get to the city center from the airport by following the special bike paths and shared roadways.

Hotel Shuttle Services

Many hotels located in Seattle provide their guests with airport shuttle services. To take advantage of this service make sure to discuss it with the hotel you are staying at in advance. We recommend making a reservation for this service. Hotel shuttle services are an extremely practical and comfortable means of transportation but it can be a bit more expensive than taking a taxi. Depending on your destination in the city it can take about 20 minutes to get to downtown Seattle from the airport. 

Taxi

Taxis are a very convenient transportation alternative to get to the city center from Sea-Tac Airport. Taxis are easily accessible from the taxi stands that are located on the 3rd floor of the parking lot. A taxi to the city center from the airport costs 50 USD on average and takes 20 minutes if there’s no traffic. The fare and duration will vary depending on your final destination in the city.

Rental Car

Renting a car is another way to get to the city center from the airport. Renting a car is also a great option for getting around in the city during your trip. Rental car companies at the airport are located at the Rental Car Facility. Shuttle buses depart from the terminal exits and provide transportation to the Rental Car Facility. Depending on the traffic it takes about 20 minutes to get to the city center from Sea-Tac Airport. Rental car companies that you can choose from include Alamo, Avis, Budget, Dollar Car Rental, Enterprise, Firefly, Hertz, National, Payless, and Sixt.

Shuttle

There are various shared ride van and scheduled airporter services that provide transportation from Sea-Tac Airport to the city center. Each company has specific drop off and pick up locations. For more information on shuttle services to the city, shuttle operators and fares please visit Seattle-Tacoma International Airport’s website.

Seattle Weather

5-Day Forecast • Min / Max Temperature

Thursday
8 Oct
Fog
17°11°
Today
Friday
9 Oct
Clear
14°9°
Saturday
10 Oct
Clear
14°9°
Sunday
11 Oct
Clear
15°7°
Monday
12 Oct
Cloudy
18°6°

Alternative Flights Ontario Seattle

Flights with Alternative Departure Locations Ontario Seattle

Frequently Asked Questions

When you search for Ontario (Ontario Intl.)-Seattle flights, Wingie directly gathers and compares instant data from all airlines. You can see all Ontario (Ontario Intl.)-Seattle flights together for the date you are looking for and choose the most suitable flight.
For Ontario (Ontario Intl.)-Seattle flights, you can use Ontario Intl. Airport, Toronto Union Railway Station as departure airport, and Seattle Lake Union Airport, Seattle Tacoma Intl. Airport, Paine - Snohomish County Airport for arrival.
The flight distance between Ontario (Ontario Intl.)-Seattle is 1555 kilometers in total. The flight between the two cities takes 1 hour 50 minutes.
When the average prices are examined, the most suitable day for Ontario (Ontario Intl.)-Seattle flights is Saturday.
Frontier Airlines, Delta Air Lines organizes direct flights between Ontario (Ontario Intl.)-Seattle.
On this route, low-cost airlines typically offer fares that include only cabin and hand baggage. Full-service airlines may include baggage and refreshment fees in the base price. The best option varies according to baggage needs. Based on current data, the lowest fare on this route with Frontier Airlines starts from approximately $54.
AirlinePriceStandard inclusions
Frontier Airlines
$54
1 piece of handbag (45x35x20 cm cm)
Delta Air Lines
$76
No changes allowed / No Refund / 1 piece cabin baggage / Complimentary Refreshments / In-flight Entertainment
Alaska Airlines
$166
Penalty-Free Change (up to 48 hours) / No Refund / 1 piece cabin baggage

Last update: 07.10.2026

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