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Cheap flights from Redmond to Ontario (SEA - ONT)

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The best prices from Redmond to Ontario are usually found in July or January, booked 33 days in advance, depart on a Wednesday or Tuesday and return on a Wednesday

How to find the cheapest flight from
Redmond (SEA) to Ontario (ONT)

SEA - ONT
Price
$176 - $271

Popular in

December

High demand for flights, 24% potential price rise

Cheapest in

July

Best time to find cheap flights, 15% potential price drop

Round-trip from

$176

From Redmond to Ontario

One-way from

$103

One-way flight from Redmond to Ontario

Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
What is the cheapest day to fly round-trip from Redmond to Ontario?

Users have found that flying from Redmond to Ontario on a Saturday typically leans towards higher prices. However, this doesn’t mean you still can’t find a deal. Flexibility with other aspects of your flight can still land a great price for your trip.

How far in advance should I book a flight from Redmond to Ontario?

To save on the cost of your flight from Redmond to Ontario, book at least 17 days before your planned departure. Booking around this time can save you about 20% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $75 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $95.

What is the cheapest month to fly from Redmond to Ontario?

Due to multiple factors, expect to potentially pay more when booking in December. For low rates, April can be a great choice for travel to Ontario. Flights to Ontario from Redmond in April are about $86 on average during April, but can be found for as low as $43.

When is the cheapest time to fly from Redmond to Ontario (SEA - ONT)?

One of the essential ways to save on airfare from Redmond to Ontario is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the afternoon could potentially save you up to 13% on airfare.

Cheap flights from Redmond to Ontario in October, November 2020

The best prices found for SEA to ONT flights for October, November
18 Nov - 2 Dec
$117pp
SEA
Seattle/Tacoma Intl
Alaska Airlines
Non-Stop
ONT
Ontario
ONT
Ontario
Alaska Airlines
Non-Stop
SEA
Seattle/Tacoma Intl
18 Nov - 2 Dec
$131pp
SEA
Seattle/Tacoma Intl
Multiple Airlines
Non-Stop
ONT
Ontario
ONT
Ontario
Delta
 
1 STOP
SEA
Seattle/Tacoma Intl
18 Nov - 1 Dec
$137pp
SEA
Seattle/Tacoma Intl
Multiple Airlines
Non-Stop
ONT
Ontario
ONT
Ontario
Delta
Non-Stop
SEA
Seattle/Tacoma Intl

Redmond to Ontario 2020 flight deals

Cheap flights to Ontario from Redmond found for this year
18 Nov - 2 Dec
$117pp
SEA
Seattle/Tacoma Intl
Alaska Airlines
Non-Stop
ONT
Ontario
ONT
Ontario
Alaska Airlines
Non-Stop
SEA
Seattle/Tacoma Intl
1 Dec - 2 Dec
$127pp
SEA
Seattle/Tacoma Intl
Multiple Airlines
Non-Stop
ONT
Ontario
ONT
Ontario
Alaska Airlines
Non-Stop
SEA
Seattle/Tacoma Intl
16 Dec - 6 Jan
$131pp
SEA
Seattle/Tacoma Intl
Multiple Airlines
 
1 STOP
ONT
Ontario
ONT
Ontario
Alaska Airlines
Non-Stop
SEA
Seattle/Tacoma Intl

Non-stop flights to Ontario from Redmond

Save time with Redmond to Ontario direct flight deals
18 Nov - 2 Dec
$117pp
SEA
Seattle/Tacoma Intl
Alaska Airlines
Non-Stop
ONT
Ontario
ONT
Ontario
Alaska Airlines
Non-Stop
SEA
Seattle/Tacoma Intl
1 Dec - 2 Dec
$127pp
SEA
Seattle/Tacoma Intl
Multiple Airlines
Non-Stop
ONT
Ontario
ONT
Ontario
Alaska Airlines
Non-Stop
SEA
Seattle/Tacoma Intl
18 Nov - 1 Dec
$137pp
SEA
Seattle/Tacoma Intl
Multiple Airlines
Non-Stop
ONT
Ontario
ONT
Ontario
Delta
Non-Stop
SEA
Seattle/Tacoma Intl

Last minute flights from Redmond to Ontario

Late deals on round-trip flights to Ontario from Redmond, departing today and this week
5 Nov - 14 Nov
$169pp
SEA
Seattle/Tacoma Intl
Frontier
 
1 STOP
ONT
Ontario
ONT
Ontario
Frontier
 
1 STOP
SEA
Seattle/Tacoma Intl
5 Nov - 7 Nov
$178pp
SEA
Seattle/Tacoma Intl
Frontier
 
1 STOP
ONT
Ontario
ONT
Ontario
Frontier
 
1 STOP
SEA
Seattle/Tacoma Intl
5 Nov - 9 Nov
$205pp
SEA
Seattle/Tacoma Intl
Frontier
 
1 STOP
ONT
Ontario
ONT
Ontario
Frontier
 
1 STOP
SEA
Seattle/Tacoma Intl

One-way flights to Ontario from Redmond

The cheapest one-way flights from Redmond to Ontario
7:20 pm - 4:57 am
American Airlines
1 Stop
9h 37m
SEA - ONT
American Airlines
1:58 pm - 6:30 pm
Delta
1 Stop
4h 32m
SEA - ONT
Delta
$113
Delta
6:05 am - 8:35 am
Alaska Airlines
Nonstop
2h 30m
SEA - ONT
Alaska Airlines
$119
Alaska Airlines

Related info for your journey

Useful info, stats and facts about Redmond to Ontario flights.

Flight FAQs

From Redmond to Ontario

Are flight prices decreasing from Seattle to Ontario due to COVID-19 (coronavirus)?

At this time, Cheapflights has noticed price decreases for many domestic flights due to COVID-19. Travel is not necessarily recommended at this time, and flights may be prone to cancellation: please check with local authorities in both Seattle and Ontario for travel alerts, and be sure to review the airline's cancellation policy and travel advisories before booking. For more information, please view our post on what to know about COVID-19 (coronavirus) and travel.

What safety measures are being taken by airlines flying from Seattle/Tacoma Intl to Ontario to control the spread of COVID-19?

Alaska Airlines, JetBlue, and Southwest are some of the many airlines that have implemented additional safety measures to control the spread of COVID-19. New policies for travelers booking flights from Seattle/Tacoma Intl to Ontario include masks being provided and required on board, daily cleaning and sanitization, use of HEPA filters, pre-flight testing for antibodies and symptoms, and socially distanced seating (for a limited time). Keep in mind that policies will vary by airline.

Which airlines flying from Seattle/Tacoma Intl to Ontario have flexible cancellations due to COVID-19?

Due to the rapidly changing circumstances due to COVID-19, airlines like Alaska Airlines, United Airlines, and Delta flying from Seattle/Tacoma Intl to Ontario have implemented new flexible cancellation policies.

Can I find flights from Redmond to Ontario for under $200 on Cheapflights?

Yes, there are multiple flights from Redmond to Ontario for under $200. The cheapest flight booked recently is on Alaska Airlines for just $117, but on average you can expect to pay $155.

Are there nonstop flights from Redmond to Ontario for under $200 on Cheapflights?

Cheapflights has at least 20 direct flights from Redmond to Ontario under $200. A good price for a nonstop flight from Redmond to Ontario is less than $190.

Are there last-minute flights available from Redmond to Ontario for under $200?

There are currently 20+ open flights from Redmond to Ontario within the next 7 days for less than $200.

What days are nonstop flights available from Seattle to Ontario?

Nonstop flights can be found on the following days: Sunday, Monday, Tuesday, Thursday, Friday, Saturday.

How many flights depart from Redmond to Ontario on average per day?

Travelers can expect 1 flight from Seattle/Tacoma Intl to Ontario on average per day.
Evening (6pm - Midnight) - 100% of flight departures

Does it rain more in Seattle or Ontario?

When traveling, it's generally smart to pack in preparation for rain or any other conditions that may arise. The rainfall in Seattle is roughly greater than that of Ontario. You can assume this to be the case over the next 19 days.

Is Seattle weather warmer or cooler than Ontario?

Expect the weather to be around 95 °F on average in July. As the temperature peaks, try to get your plans done early, as flight price and availability will have an impact on your travels. The climate in Ontario is generally hotter than in Seattle.

How long is the flight from Redmond to Ontario?

A quick flight from Redmond to Ontario can take about 2h 28m. Alaska Airlines provides one of the quickest options available for as low as $117. The distance between Redmond and Ontario is about 962 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

What are the cheapest airlines flying from Redmond to Ontario round-trip?

Cheapflights users have booked flights from Redmond to Ontario round-trip from $117. Other airlines that can offer you cheap pricing are Delta, from $141, and United Airlines, from $166. Alaska Airlines is currently priced 43% below the average price you’ll pay for this route.

What are the cheapest airlines to fly from Redmond to Ontario one-way?

One-way options have recently been found by users for as low as $59 on Alaska Airlines. Other airlines that offer cheap prices include Delta from $69 and Frontier from $74 one-way.

Alternative routes for Redmond to Ontario

Destination information for Ontario

Things to know before you go. Useful info for your trip from Redmond to Ontario
Flight duration
2h 38m

Airports servicing Seattle

Airports servicing Ontario

Hourly flight availability from Redmond to Ontario

Morning 6 AM to noon 51% of SEA to ONT departures
Afternoon Noon to 6 PM 29% of SEA to ONT departures
Evening 6 PM to midnight 19% of SEA to ONT departures
Early morning Midnight to 6 AM 1% of SEA to ONT departures
Midnight
6 AM
Noon
6 PM
Weekly flight availability
from Redmond to Ontario
Sunday
2 daily flights
Monday
2 daily flights
Tuesday
6 daily flights
Wednesday
6 daily flights
Thursday
6 daily flights
Friday
6 daily flights
Saturday
4 daily flights
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