$139+ Cheap flights from Redmond to Ontario (RDM - ONT)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/28. Fares are subject to change and may not be available on all flights or dates of travel.
RDM — ONT
Sep 5 — Sep 121
Round-trip
1 adult, Economy
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Find cheap flights from Redmond to Ontario with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Redmond to Ontario
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Best
Last-minute
One-way
Cheapest flights from Redmond to OntarioExplore the most affordable flight options available from Redmond to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 6, 2026.
Explore the most affordable flight options available from Redmond to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 6, 2026.
This Delta deal was found by Cheapflights users on 8/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/186:15 am -
1 stop5h 01m
Fri 8/2111:56 am -
1 stop6h 49m
Deal found 8/3![Delta logo]()
$289
This Delta deal was found by Cheapflights users on 8/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/36:15 am -
2 stops10h 09m
Thu 9/106:00 pm -
1 stop5h 08m
Deal found 8/2![Delta logo]()
$294
This Delta deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/171:44 pm -
2 stops10h 03m
Tue 9/229:52 am -
2 stops8h 52m
Deal found 8/1![Delta logo]()
$300
This Alaska Airlines deal was found by Cheapflights users on 8/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/116:17 pm -
1 stop5h 07m
Sat 9/126:02 am -
1 stop6h 38m
Deal found 8/2![Alaska Airlines logo]()
$314
This Delta deal was found by Cheapflights users on 8/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/196:15 am -
1 stop5h 01m
Thu 8/276:01 pm -
1 stop4h 57m
Deal found 8/2![Delta logo]()
$324
This Booking.com deal was found by Cheapflights users on 8/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/226:04 am -
1 stop5h 00m
Sun 9/67:59 pm -
1 stop13h 30m
Deal found 8/5![Alaska Airlines logo]()
$329
This Alaska Airlines deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/215:25 am -
1 stop4h 26m
Sun 8/237:12 am -
1 stop4h 40m
Deal found 8/1![Alaska Airlines logo]()
$339
This Alaska Airlines deal was found by Cheapflights users on 8/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/314:02 pm -
1 stop4h 22m
Mon 9/77:12 am -
1 stop4h 40m
Deal found 8/2![Alaska Airlines logo]()
$344
This Delta deal was found by Cheapflights users on 8/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/76:15 am -
1 stop5h 01m
Tue 9/1511:54 am -
1 stop6h 50m
Deal found 8/4![Delta logo]()
$354
This Mytrip deal was found by Cheapflights users on 8/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2912:32 pm -
1 stop4h 46m
Sat 10/36:02 am -
1 stop11h 24m
Deal found 8/3![Alaska Airlines logo]()
$357
This Delta deal was found by Cheapflights users on 8/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/76:15 am -
1 stop5h 01m
Mon 9/141:04 pm -
2 stops10h 04m
Deal found 8/5![Delta logo]()
$359
Best flights from Redmond to OntarioDiscover carefully curated flight deals from Redmond to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 6, 2026.
Discover carefully curated flight deals from Redmond to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 6, 2026.
This Delta deal was found by Cheapflights users on 8/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/195:10 am -
1 stop7h 04m
Tue 9/225:15 pm -
1 stop6h 43m
Deal found 8/6![Delta logo]()
$289
This United Airlines deal was found by Cheapflights users on 8/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/86:00 am -
1 stop6h 18m
Mon 10/121:52 pm -
1 stop4h 20m
Deal found 8/5![United Airlines logo]()
$289
This Alaska Airlines deal was found by Cheapflights users on 8/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/114:02 pm -
1 stop4h 22m
Sun 9/137:59 pm -
1 stop13h 37m
Deal found 8/4![Alaska Airlines logo]()
$289
This Delta deal was found by Cheapflights users on 8/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/276:15 am -
1 stop5h 01m
Sun 8/3011:56 am -
1 stop6h 49m
Deal found 8/4![Delta logo]()
$289
This Booking.com deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/126:04 am -
1 stop5h 12m
Sun 9/137:59 pm -
1 stop13h 37m
Deal found 8/1![Alaska Airlines logo]()
$289
This Delta deal was found by Cheapflights users on 8/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/156:10 am -
1 stop5h 06m
Mon 10/1911:56 am -
1 stop6h 54m
Deal found 8/5![Delta logo]()
$289
This Delta deal was found by Cheapflights users on 8/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/116:15 am -
1 stop4h 59m
Sun 9/136:00 am -
1 stop7h 04m
Deal found 8/2![Delta logo]()
$289
This Delta deal was found by Cheapflights users on 8/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/196:15 am -
1 stop5h 01m
Wed 8/266:01 pm -
1 stop4h 57m
Deal found 8/2![Delta logo]()
$289
This Delta deal was found by Cheapflights users on 8/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/286:15 am -
1 stop5h 01m
Mon 8/316:01 pm -
1 stop4h 57m
Deal found 8/5![Delta logo]()
$289
This Delta deal was found by Cheapflights users on 8/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/26:15 am -
1 stop5h 01m
Tue 9/86:00 pm -
1 stop5h 08m
Deal found 8/2![Delta logo]()
$289
This Delta deal was found by Cheapflights users on 8/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/266:15 am -
1 stop5h 01m
Sat 8/291:06 pm -
2 stops9h 52m
Deal found 8/4![Delta logo]()
$294
Last-minute flights from Redmond to OntarioDiscover last-minute flight deals from Redmond to Ontario. Data last updated August 6, 2026 and is based on user searches.
Discover last-minute flight deals from Redmond to Ontario. Data last updated August 6, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 8/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/186:15 am -
1 stop5h 01m
Fri 8/2111:56 am -
1 stop6h 49m
Deal found 8/3![Delta logo]()
$289
This Delta deal was found by Cheapflights users on 8/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/196:15 am -
1 stop5h 01m
Thu 8/276:01 pm -
1 stop4h 57m
Deal found 8/2![Delta logo]()
$324
This Alaska Airlines deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/215:25 am -
1 stop4h 26m
Sun 8/237:12 am -
1 stop4h 40m
Deal found 8/1![Alaska Airlines logo]()
$339
This Booking.com deal was found by Cheapflights users on 8/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/226:04 am -
1 stop5h 00m
Sun 9/67:59 pm -
1 stop13h 30m
Deal found 8/5![Alaska Airlines logo]()
$329
This Alaska Airlines deal was found by Cheapflights users on 8/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/314:02 pm -
1 stop4h 22m
Mon 9/77:12 am -
1 stop4h 40m
Deal found 8/2![Alaska Airlines logo]()
$344
This Delta deal was found by Cheapflights users on 8/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/36:15 am -
2 stops10h 09m
Fri 9/116:00 am -
1 stop5h 50m
Deal found 8/2![Delta logo]()
$294
This Delta deal was found by Cheapflights users on 8/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/76:15 am -
1 stop5h 01m
Tue 9/1511:54 am -
1 stop6h 50m
Deal found 8/4![Delta logo]()
$354
This Delta deal was found by Cheapflights users on 8/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/76:15 am -
1 stop5h 01m
Mon 9/141:04 pm -
2 stops10h 04m
Deal found 8/4![Delta logo]()
$359
This Alaska Airlines deal was found by Cheapflights users on 8/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/116:17 pm -
1 stop5h 07m
Sat 9/126:02 am -
1 stop6h 38m
Deal found 8/2![Alaska Airlines logo]()
$314
This Delta deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/171:44 pm -
2 stops10h 03m
Tue 9/229:52 am -
2 stops8h 52m
Deal found 8/1![Delta logo]()
$300
This Mytrip deal was found by Cheapflights users on 8/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2912:32 pm -
1 stop4h 46m
Sat 10/36:02 am -
1 stop11h 24m
Deal found 8/3![Alaska Airlines logo]()
$357
One-way flights from Redmond to OntarioSearch for one-way flight options from Redmond to Ontario. Find affordable one-way fares based on user searches. Data last updated August 6, 2026.
Search for one-way flight options from Redmond to Ontario. Find affordable one-way fares based on user searches. Data last updated August 6, 2026.
This Trip.com deal was found by Cheapflights users on 8/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/284:02 pm -
1 stop4h 22m
Deal found 8/5![Alaska Airlines logo]()
$139
This United Airlines deal was found by Cheapflights users on 8/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/181:52 pm -
1 stop6h 09m
Deal found 8/4![United Airlines logo]()
$145
This Delta deal was found by Cheapflights users on 8/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/281:52 pm -
2 stops9h 42m
Deal found 8/5![Delta logo]()
$150
This United Airlines deal was found by Cheapflights users on 8/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/31:52 pm -
1 stop4h 19m
Deal found 8/5![United Airlines logo]()
$185
This Delta deal was found by Cheapflights users on 8/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/76:15 am -
1 stop5h 01m
Deal found 8/5![Delta logo]()
$210
This United Airlines deal was found by Cheapflights users on 8/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/136:00 am -
1 stop6h 12m
Deal found 8/3![United Airlines logo]()
$230
This Booking.com deal was found by Cheapflights users on 8/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/177:49 pm -
1 stop4h 03m
Deal found 8/4![Alaska Airlines logo]()
$240
This Delta deal was found by Cheapflights users on 8/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/116:15 am -
1 stop5h 01m
Deal found 8/5![Delta logo]()
$256
This Booking.com deal was found by Cheapflights users on 8/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/57:40 am -
2 stops10h 11m
Deal found 8/3![Alaska Airlines logo]()
$267
This United Airlines deal was found by Cheapflights users on 8/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/236:00 am -
1 stop6h 12m
Deal found 8/4![United Airlines logo]()
$270
Find flight deals from Redmond to Ontario
Discover tips and strategies to find the most affordable flight options for your journey from Redmond (RDM) to Ontario (ONT). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated August 6, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $289 (Delta) |
One-way from | $139 (Trip.com) |
Popular in | May |
Cheapest in | September |
Average price | $258 |
Cheapflights Fare Finder
Customize your flight search to find flights from Redmond to Ontario that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated August 6, 2026.
Use the filters below to find and compare flights from Redmond to Ontario that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
RedmondOntario
RDM Bend/Redmond - ONT Ontario
RDMONT
Bend/Redmond
Sat 9/19
5:10 am-12:14 pm
1 stop7h 04m
Ontario
Tue 9/22
5:15 pm-11:58 pm
1 stop6h 43m
$289
RedmondOntario
RDM Bend/Redmond - ONT Ontario
RDMONT
Bend/Redmond
Thu 10/8
6:00 am-12:18 pm
1 stop6h 18m
Ontario
Mon 10/12
1:52 pm-6:12 pm
1 stop4h 20m
$289
RedmondOntario
RDM Bend/Redmond - ONT Ontario
RDMONT
Bend/Redmond
Fri 9/11
4:02 pm-8:24 pm
1 stop4h 22m
Ontario
Sun 9/13
7:59 pm-9:36 am
1 stop13h 37m
$289
RedmondOntario
RDM Bend/Redmond - ONT Ontario
RDMONT
Bend/Redmond
Thu 8/27
6:15 am-11:16 am
1 stop5h 01m
Ontario
Sun 8/30
11:56 am-6:45 pm
1 stop6h 49m
$289
RedmondOntario
RDM Bend/Redmond - ONT Ontario
RDMONT
Bend/Redmond
Sat 9/12
6:04 am-11:16 am
1 stop5h 12m
Ontario
Sun 9/13
7:59 pm-9:36 am
1 stop13h 37m
$289
RedmondOntario
RDM Bend/Redmond - ONT Ontario
RDMONT
Bend/Redmond
Thu 10/15
6:10 am-11:16 am
1 stop5h 06m
Ontario
Mon 10/19
11:56 am-6:50 pm
1 stop6h 54m
$289
RedmondOntario
RDM Bend/Redmond - ONT Ontario
RDMONT
Bend/Redmond
Fri 9/11
6:15 am-11:14 am
1 stop4h 59m
Ontario
Sun 9/13
6:00 am-1:04 pm
1 stop7h 04m
$289
Quickest round-trip
RedmondOntario
RDM Bend/Redmond - ONT Ontario
RDMONT
Bend/Redmond
Wed 8/19
6:15 am-11:16 am
1 stop5h 01m
Ontario
Wed 8/26
6:01 pm-10:58 pm
1 stop4h 57m
$289
RedmondOntario
RDM Bend/Redmond - ONT Ontario
RDMONT
Bend/Redmond
Fri 8/28
6:15 am-11:16 am
1 stop5h 01m
Ontario
Mon 8/31
6:01 pm-10:58 pm
1 stop4h 57m
$289
RedmondOntario
RDM Bend/Redmond - ONT Ontario
RDMONT
Bend/Redmond
Wed 9/2
6:15 am-11:16 am
1 stop5h 01m
Ontario
Tue 9/8
6:00 pm-11:08 pm
1 stop5h 08m
$289
Showing 1-10 of 23 resultsSorted by cheapest first
Compare providers for flights from Redmond to Ontario
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Redmond to Ontario in August.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Redmond-Ontario flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Redmond-Ontario flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Redmond-Ontario flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Redmond-Ontario flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Redmond-Ontario flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Redmond to Ontario
Have a flexible travel schedule? Discover the best time to fly to Ontario from Redmond with our price prediction graph.
RDM-ONT
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Redmond to Ontario
What is the cheapest month to book a flight from Redmond to Ontario?
Currently, September is the cheapest month in which you can book a flight from Redmond to Ontario (average of $256). Flying from Redmond to Ontario in May is currently the most expensive (average of $478). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
How much does it cost to fly round-trip from Redmond to Ontario?
Airfare is typical for this route at the moment.
Redmond to Ontario flights typically cost between $236 and $434 in August.The cheapest round-trip price found within the last 5 days was $289 on Delta (Aug 18-Aug 21).
Reviews of airlines servicing Ontario
Get insights into the airlines that provide service to Ontario. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Ontario. Reviews last updated August 6, 2026.
Read through reviews of airlines operating flights from Redmond to Ontario, such as Alaska Airlines,Delta, andUnited Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.1
Food
7.0
Crew
8.5
Entertainment
7.0
Comfort
7.8
Overall
7.9
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Boarding
8.1
Food
7.0
Crew
8.5
Entertainment
7.0
Comfort
7.8
Overall
7.9
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Boarding
8.1
Food
7.0
Crew
8.5
Entertainment
7.0
Comfort
7.8
Overall
7.9
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Boarding
8.1
Food
7.0
Crew
8.5
Entertainment
7.0
Comfort
7.8
Overall
7.9
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Related info for your journey
Find useful and relevant information for your journey from Redmond to Ontario. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Top 3 airlines flying from Redmond to Ontario
Discover the top 3 airlines that operate flights from Redmond to Ontario. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated August 6, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$197 | Average$339 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$216 | Average$300 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$233 | Average$429 | FlexibilityNo cancel fee | On-time75% |