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 2.7 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, John Wayne, Ontario International, Hollywood Burbank, Palm Springs International, Santa Barbara Municipal, Imperial County, McClellan–Palomar, Long Beach.

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, Paine Field Everett, Vancouver Harbour Flight Centre, Pangborn Memorial, Victoria Inner Harbour SPB, Yakima Air Terminal.

Question 8

Which airlines fly between Ontario and Seattle?

Accepted Answer

Currently, you can fly between Ontario and Seattle with Alaska Airlines, Frontier Airlines, Hahn Air Technologies, Harbour Air (Priv), Air Canada.

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, John Wayne, Ontario International, Hollywood Burbank, Palm Springs International, Santa Barbara Municipal, Imperial County, McClellan–Palomar, Long Beach

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, Paine Field Everett, Vancouver Harbour Flight Centre, Pangborn Memorial, Victoria Inner Harbour SPB, Yakima Air Terminal.

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	£92
Cheapest nonstop round-trip	£229
Cheapest round-trip	£185
Average round-trip	£277
Nonstop flights in July	£135 – £307

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 06.07	Tue 07.07	Wed 08.07	Thu 09.07	Fri 10.07	Sat 11.07	Sun 12.07
Alaska Airlines	5	4	4	5	5	4	5
Frontier Airlines	1	1	1	1	1	1	1
Hawaiian Airlines	---	---	---	---	---	---	---
Weekly flights: 39 total	Daily flights: 5.57 average	Most flights: Monday 5 flights

Airline	Mon 13.07	Tue 14.07	Wed 15.07	Thu 16.07	Fri 17.07	Sat 18.07	Sun 19.07
Alaska Airlines	5	4	4	5	5	4	5
Frontier Airlines	1	1	1	1	1	1	1
Hawaiian Airlines	---	---	---	---	---	---	---
Weekly flights: 39 total	Daily flights: 5.57 average	Most flights: Monday 5 flights

Airline	Mon 20.07	Tue 21.07	Wed 22.07	Thu 23.07	Fri 24.07	Sat 25.07	Sun 26.07
Alaska Airlines	5	4	4	5	5	4	5
Frontier Airlines	1	1	1	1	1	1	1
Hawaiian Airlines	---	---	---	---	---	---	---
Weekly flights: 39 total	Daily flights: 5.57 average	Most flights: Monday 5 flights

Cheap flights from Ontario to Seattle from £92

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Company

Platform

Features

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Name	Carrier code	IATA Code	Passport needed during booking
Alaska Airlines	ASA	AS	No
Frontier Airlines	FFT	F9	No
Hahn Air Technologies		X1	Yes
Harbour Air (Priv)	HES	YB	No
Air Canada	ACA	AC	Yes

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	22°C	11°C
October	15°C	8°C
November	10°C	4°C
December	6°C	2°C