Question 1

How long does it take to travel from Ontario to Seattle?

Accepted Answer

A one-way nonstop (direct) flight between Ontario and Seattle takes around 2.8 hours.

Question 2

What is the flight distance between Ontario and Seattle?

Accepted Answer

The flight distance between Ontario and Seattle is 1542 km.

Question 3

What airlines offer nonstop (direct) flights between Ontario and Seattle?

Accepted Answer

Several carriers operate flights between Ontario and Seattle. Airlines offering nonstop (direct) flights include Frontier Airlines, Alaska Airlines.

Question 4

What are the most popular routes to and from Ontario?

Accepted Answer

Travelers frequently search for route combinations, such as Ontario and Guadalajara, London, Dallas, Las Vegas, San Francisco, Mexico City, Houston, Sacramento, Denver, Honolulu, New York, Portland, Chicago, Washington, D.C., Toronto, Orlando, Cancún, Veracruz, Manila, Edmonton.

Question 5

What are the most popular routes to and from Seattle?

Accepted Answer

Travelers frequently search for route combinations, such as Seattle and London, New York, Calgary, Los Angeles, Mexico City, Guadalajara, San Francisco, Las Vegas, Phoenix, Manchester, Edinburgh, Chicago, Denver, San Diego, Dallas, Boston, Washington, D.C., Salt Lake City, Toronto, Orlando.

Question 6

What airports are near Ontario?

Accepted Answer

The main airport in Ontario is Ontario International. It is also served by Tijuana International, San Diego International, Ontario International, John Wayne, Hollywood Burbank, Palm Springs International, Santa Barbara Municipal, Long Beach, Imperial County, McClellan–Palomar.

Question 7

What airports are near Seattle?

Accepted Answer

The main airport in Seattle is Seattle–Tacoma International. It is also served by Vancouver International, Portland International, Bellingham International, Abbotsford International, Pangborn Memorial, Yakima Air Terminal, Paine Field Everett, Victoria Inner Harbour SPB, Vancouver Harbour Flight Centre.

Question 8

Which airlines fly between Ontario and Seattle?

Accepted Answer

Currently, you can fly between Ontario and Seattle with Frontier Airlines, Alaska Airlines, United Airlines, Volaris.

Question 9

When’s the best time to travel between Ontario and Seattle?

Accepted Answer

If you don’t have specific dates for your trip between Ontario and Seattle, you can enter a date range into the departure and return fields. Most carriers on the Kiwi.com website allow you to search and book up to six months from the day of your search. Order the search results by the best, cheapest, or fastest route, or find the cheapest outbound and return combination in the pricing table.

Question 10

What flights operate between Ontario and Seattle?

Accepted Answer

Traveling between Ontario and Seattle, you can choose between direct (nonstop) flights or flights with one or more stops. You can select the number of stops on your journey, including an overnight stopover, and the duration of the stopover. What’s more, you can also select where you want to have your stopover. Want to say "Hi" to a friend in another city en route to your destination? Or fancy a quick round of shopping? Go Multi-City or Nomad and add places to your search that you wish to visit.

Question 11

How many airports are there near Ontario?

Accepted Answer

There are a number of airports in and around Ontario. The main one is Ontario International and other nearby airports include Tijuana International, San Diego International, Ontario International, John Wayne, Hollywood Burbank, Palm Springs International, Santa Barbara Municipal, Long Beach, Imperial County, McClellan–Palomar

Question 12

How many airports are there near Seattle?

Accepted Answer

There are a number of airports in and around Seattle. The main one is Seattle–Tacoma International and other nearby airports include Vancouver International, Portland International, Bellingham International, Abbotsford International, Pangborn Memorial, Yakima Air Terminal, Paine Field Everett, Victoria Inner Harbour SPB, Vancouver Harbour Flight Centre.

Question 13

What time do nonstop (direct) flights between Ontario and Seattle depart?

Accepted Answer

This depends on the airline’s flight schedule. You can easily select your preferred departure time when you search on our website or mobile app. Choose the time of day you wish to depart from Ontario, such as morning, afternoon, evening, or night, or select the exact hours for departure.

Question 14

What time do nonstop (direct) flights between Ontario and Seattle arrive?

Accepted Answer

This depends on the airline’s flight schedule. You can easily select your preferred arrival time when you search on our website or mobile app. Choose the time of day you wish to arrive at Seattle, such as morning, afternoon, evening, or night, or select the exact hours for arrival.

Question 15

What time do flights between Ontario and Seattle depart?

Accepted Answer

This depends on the airline’s flight schedule. You can easily select your preferred departure time when you search on our website or mobile app. Choose the time of day you wish to depart from Ontario, such as morning, afternoon, evening, or night, or select the exact hours for departure.

Question 16

What time do flights between Ontario and Seattle arrive?

Accepted Answer

This depends on the airline’s flight schedule. You can easily select your preferred arrival time when you search on our website or mobile app. Choose the time of day you wish to arrive at Seattle, such as morning, afternoon, evening, or night, or select the exact hours for arrival.

Cheapest one-way trip	£76
Cheapest nonstop round-trip	£215
Cheapest round-trip	£133
Average round-trip	£289
Nonstop flights in October	£119 – £424

Transport Option	Typical Time	Typical Cost	Frequency	Best For
Link Light Rail (1 Line)	35-45 min	$3 – $3.25; fare to downtown stations	every 6–15 min (traffic dependent)	budget travelers to downtown
Sound Transit Express Bus 560	45-70 min	$2.75 – $3.25; varies by destination zone	every 15–30 min (traffic dependent)	Bellevue and Eastside
King County Metro Bus	50-80 min	$2.75; flat fare	every 15–30 min (traffic dependent)	local connections
Taxi	25-50 min	$45 – $65; metered; flat rate to downtown available	on-demand 24/7 (traffic dependent)	door-to-door convenience
Ride-hailing (Uber/Lyft)	25-50 min	$35 – $60; surge pricing may apply	on-demand 24/7 (traffic dependent)	flexible pickup locations
Private Transfer / Shuttle	25-50 min	$50 – $100; pre-booked; varies by provider	by reservation (traffic dependent)	groups and guaranteed pickup
Rental Car	25-50 min	$40 – $100; per day; varies by vehicle and provider	24/7 availability (traffic dependent)	exploring beyond Seattle

Airline	Mon 05.10	Tue 06.10	Wed 07.10	Thu 08.10	Fri 09.10	Sat 10.10	Sun 11.10
Alaska Airlines	4	3	3	4	4	3	4
Frontier Airlines	1	---	1	1	1	---	1
Weekly flights: 30 total	Daily flights: 4.29 average	Most flights: Monday 4 flights

Airline	Mon 12.10	Tue 13.10	Wed 14.10	Thu 15.10	Fri 16.10	Sat 17.10	Sun 18.10
Alaska Airlines	4	3	3	4	4	3	4
Frontier Airlines	1	---	---	1	1	---	1
Weekly flights: 29 total	Daily flights: 4.14 average	Most flights: Monday 4 flights

Airline	Mon 19.10	Tue 20.10	Wed 21.10	Thu 22.10	Fri 23.10	Sat 24.10	Sun 25.10
Alaska Airlines	4	3	3	4	4	3	4
Frontier Airlines	1	---	---	1	1	---	1
Weekly flights: 29 total	Daily flights: 4.14 average	Most flights: Monday 4 flights

Name	Carrier code	IATA Code	Passport needed during booking
Frontier Airlines	FFT	F9	No
Alaska Airlines	ASA	AS	No
		-
United Airlines	UAL	UA	No
Volaris	VOI	Y4	No

Month	Average monthly max temperature	Average monthly min temperature
January	7°C	2°C
February	8°C	2°C
March	10°C	3°C
April	13°C	5°C
May	18°C	8°C
June	21°C	10°C
July	25°C	13°C
August	25°C	14°C
September	21°C	11°C
October	15°C	8°C
November	10°C	4°C
December	6°C	2°C

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