$145+ 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 9/2. Fares are subject to change and may not be available on all flights or dates of travel.
RDM — ONT
Sep 21 — Sep 281
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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Last-minute
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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 22, 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 22, 2026.
This Delta deal was found by Cheapflights users on 8/18. 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 9/95:10 am -
1 stop7h 04m
Fri 9/1111:54 am -
1 stop6h 50m
Deal found 8/18![Delta logo]()
$289
This Delta deal was found by Cheapflights users on 8/18. 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 9/96:15 am -
1 stop4h 59m
Mon 9/141:04 pm -
2 stops10h 04m
Deal found 8/18![Delta logo]()
$294
This Delta deal was found by Cheapflights users on 8/17. 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 9/96:15 am -
2 stops10h 20m
Sat 9/121:04 pm -
2 stops9h 49m
Deal found 8/17![Delta logo]()
$300
This United Airlines deal was found by Cheapflights users on 8/17. 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.
Fri 9/41:52 pm -
1 stop6h 09m
Mon 9/76:08 am -
1 stop5h 58m
Deal found 8/17![United Airlines logo]()
$313
This Delta deal was found by Cheapflights users on 8/19. 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 9/96:15 am -
1 stop4h 59m
Fri 9/186:00 pm -
1 stop5h 08m
Deal found 8/19![Delta logo]()
$324
This Alaska Airlines deal was found by Cheapflights users on 8/18. 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.
Sun 9/66:04 am -
1 stop5h 00m
Wed 9/96:02 am -
1 stop6h 38m
Deal found 8/18![Alaska Airlines logo]()
$329
This Delta deal was found by Cheapflights users on 8/19. 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 10/16:15 am -
2 stops10h 20m
Mon 10/51:04 pm -
2 stops10h 04m
Deal found 8/19![Delta logo]()
$335
This Delta deal was found by Cheapflights users on 8/17. 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.
Sun 9/65:10 am -
1 stop7h 06m
Thu 9/106:00 am -
1 stop5h 50m
Deal found 8/17![Delta logo]()
$354
This Delta deal was found by Cheapflights users on 8/20. 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
Sun 9/206:00 am -
1 stop7h 04m
Deal found 8/20![Delta logo]()
$356
This Delta deal was found by Cheapflights users on 8/17. 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.
Sun 9/65:10 am -
1 stop7h 06m
Sat 9/121:04 pm -
2 stops9h 49m
Deal found 8/17![Delta logo]()
$359
This Alaska Airlines deal was found by Cheapflights users on 8/18. 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.
Sun 9/66:04 am -
1 stop5h 00m
Fri 9/1110:47 am -
1 stop4h 35m
Deal found 8/18![Alaska Airlines logo]()
$362
This Delta deal was found by Cheapflights users on 8/21. 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 10/21:44 pm -
2 stops10h 03m
Sun 10/41:04 pm -
2 stops10h 04m
Deal found 8/21![Delta logo]()
$364
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 22, 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 22, 2026.
This Delta deal was found by Cheapflights users on 8/19. 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 9/106:15 am -
1 stop4h 59m
Wed 9/166:00 am -
1 stop7h 04m
Deal found 8/19![Delta logo]()
$289
This Priceline deal was found by Cheapflights users on 8/21. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/246:00 am -
1 stop7h 16m
Sun 10/256:02 am -
1 stop6h 36m
Deal found 8/21![Alaska Airlines logo]()
$289
This United Airlines deal was found by Cheapflights users on 8/18. 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 9/171:52 pm -
1 stop6h 09m
Sat 9/198:00 am -
1 stop4h 06m
Deal found 8/18![United Airlines logo]()
$369
This Delta deal was found by Cheapflights users on 8/20. 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 pm -
1 stop5h 08m
Deal found 8/20![Delta logo]()
$289
This Delta deal was found by Cheapflights users on 8/17. 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
Wed 9/166:00 pm -
1 stop5h 08m
Deal found 8/17![Delta logo]()
$289
This Delta deal was found by Cheapflights users on 8/17. 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 9/166:15 am -
1 stop4h 59m
Sat 9/195:15 pm -
1 stop4h 42m
Deal found 8/17![Delta logo]()
$289
This United Airlines deal was found by Cheapflights users on 8/21. 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 9/106:00 am -
1 stop6h 12m
Sun 9/131:53 pm -
1 stop6h 57m
Deal found 8/21![United Airlines logo]()
$369
This Delta deal was found by Cheapflights users on 8/20. 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 9/306:15 am -
1 stop4h 59m
Sat 10/36:00 am -
1 stop5h 50m
Deal found 8/20![Delta logo]()
$354
This Delta deal was found by Cheapflights users on 8/18. 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 9/45:10 am -
1 stop7h 06m
Mon 9/711:56 am -
1 stop6h 49m
Deal found 8/18![Delta logo]()
$354
This Delta deal was found by Cheapflights users on 8/20. 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
Sun 9/206:00 am -
1 stop7h 04m
Deal found 8/20![Delta logo]()
$356
Last-minute flights from Redmond to OntarioDiscover last-minute flight deals from Redmond to Ontario. Data last updated August 22, 2026 and is based on user searches.
Discover last-minute flight deals from Redmond to Ontario. Data last updated August 22, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 8/17. 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.
Fri 9/41:52 pm -
1 stop6h 09m
Mon 9/76:08 am -
1 stop5h 58m
Deal found 8/17![United Airlines logo]()
$313
This Alaska Airlines deal was found by Cheapflights users on 8/18. 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.
Sun 9/66:04 am -
1 stop5h 00m
Sun 9/136:02 am -
1 stop6h 38m
Deal found 8/18![Alaska Airlines logo]()
$329
This Delta deal was found by Cheapflights users on 8/17. 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.
Sun 9/65:10 am -
1 stop7h 06m
Thu 9/106:00 am -
1 stop5h 50m
Deal found 8/17![Delta logo]()
$354
This Delta deal was found by Cheapflights users on 8/17. 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.
Sun 9/65:10 am -
1 stop7h 06m
Sat 9/121:04 pm -
2 stops9h 49m
Deal found 8/17![Delta logo]()
$359
This Alaska Airlines deal was found by Cheapflights users on 8/18. 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.
Sun 9/66:04 am -
1 stop5h 00m
Fri 9/1110:47 am -
1 stop4h 35m
Deal found 8/18![Alaska Airlines logo]()
$362
This Delta deal was found by Cheapflights users on 8/18. 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 9/96:15 am -
1 stop4h 59m
Mon 9/146:00 pm -
1 stop5h 08m
Deal found 8/18![Delta logo]()
$289
This Delta deal was found by Cheapflights users on 8/18. 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 9/96:15 am -
2 stops10h 20m
Sat 9/126:00 pm -
1 stop4h 53m
Deal found 8/18![Delta logo]()
$294
This Delta deal was found by Cheapflights users on 8/19. 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 9/96:15 am -
1 stop4h 59m
Fri 9/186:00 pm -
1 stop5h 08m
Deal found 8/19![Delta logo]()
$324
This United Airlines deal was found by Cheapflights users on 8/17. 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.
Sat 9/121:52 pm -
1 stop4h 19m
Mon 9/146:08 am -
1 stop5h 58m
Deal found 8/17![United Airlines logo]()
$369
This Delta deal was found by Cheapflights users on 8/20. 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
Sun 9/206:00 am -
1 stop7h 04m
Deal found 8/20![Delta logo]()
$356
This Alaska Airlines deal was found by Cheapflights users on 8/18. 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.
Sat 9/266:04 am -
2 stops9h 43m
Mon 9/286:02 am -
1 stop6h 38m
Deal found 8/18![Alaska Airlines logo]()
$376
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 22, 2026.
Search for one-way flight options from Redmond to Ontario. Find affordable one-way fares based on user searches. Data last updated August 22, 2026.
This Delta deal was found by Cheapflights users on 8/18. 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
Deal found 8/18![Delta logo]()
$145
This Delta deal was found by Cheapflights users on 8/21. 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 9/51:52 pm -
2 stops8h 31m
Deal found 8/21![Delta logo]()
$150
This Alaska Airlines deal was found by Cheapflights users on 8/21. 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.
Sat 9/51:31 pm -
1 stop5h 32m
Deal found 8/21![Alaska Airlines logo]()
$185
This Kiwi.com deal was found by Cheapflights users on 8/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/2812:20 pm -
2 stops35h 27m
Deal found 8/17![Multiple Airlines logo]()
$224
This Booking.com deal was found by Cheapflights users on 8/19. 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 8/297:40 am -
1 stop6h 29m
Deal found 8/19![Alaska Airlines logo]()
$256
This Booking.com deal was found by Cheapflights users on 8/17. 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.
Tue 9/296:04 am -
2 stops9h 43m
Deal found 8/17![Alaska Airlines logo]()
$262
This United Airlines deal was found by Cheapflights users on 8/17. 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.
Fri 8/285:00 am -
1 stop7h 50m
Deal found 8/17![United Airlines logo]()
$306
This Delta deal was found by Cheapflights users on 8/21. 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 -
2 stops10h 09m
Deal found 8/21![Delta logo]()
$311
This United Airlines deal was found by Cheapflights users on 8/17. 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 10/81:52 pm -
1 stop6h 39m
Deal found 8/17![United Airlines logo]()
$325
This Booking.com deal was found by Cheapflights users on 8/21. 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 9/127:40 am -
2 stops8h 07m
Deal found 8/21![Alaska Airlines logo]()
$362
This Alaska Airlines deal was found by Cheapflights users on 8/21. 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.
Sun 9/271:37 pm -
2 stops26h 33m
Deal found 8/21![Alaska Airlines logo]()
$369
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 22, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $289 (Delta) |
One-way from | $145 (Delta) |
Popular in | May |
Cheapest in | September |
Average price | $288 |
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 7,457,451 searches. Data last updated August 22, 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
Thu 9/10
6:15 am-11:14 am
1 stop4h 59m
Ontario
Wed 9/16
6:00 am-1:04 pm
1 stop7h 04m
$289
RedmondOntario
RDM Bend/Redmond - ONT Ontario
RDMONT
Bend/Redmond
Sat 10/24
6:00 am-1:16 pm
1 stop7h 16m
Ontario
Sun 10/25
6:02 am-12:38 pm
1 stop6h 36m
$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 pm-11:08 pm
1 stop5h 08m
$289
RedmondOntario
RDM Bend/Redmond - ONT Ontario
RDMONT
Bend/Redmond
Fri 9/11
6:15 am-11:14 am
1 stop4h 59m
Ontario
Wed 9/16
6:00 pm-11:08 pm
1 stop5h 08m
$289
Quickest round-trip
RedmondOntario
RDM Bend/Redmond - ONT Ontario
RDMONT
Bend/Redmond
Wed 9/16
6:15 am-11:14 am
1 stop4h 59m
Ontario
Sat 9/19
5:15 pm-9:57 pm
1 stop4h 42m
$289
RedmondOntario
RDM Bend/Redmond - ONT Ontario
RDMONT
Bend/Redmond
Wed 9/30
6:15 am-11:14 am
1 stop4h 59m
Ontario
Sat 10/3
6:00 am-11:50 am
1 stop5h 50m
$354
RedmondOntario
RDM Bend/Redmond - ONT Ontario
RDMONT
Bend/Redmond
Fri 9/4
5:10 am-12:16 pm
1 stop7h 06m
Ontario
Mon 9/7
11:56 am-6:45 pm
1 stop6h 49m
$354
RedmondOntario
RDM Bend/Redmond - ONT Ontario
RDMONT
Bend/Redmond
Sat 9/19
5:10 am-12:14 pm
1 stop7h 04m
Ontario
Sun 9/20
6:00 am-1:04 pm
1 stop7h 04m
$356
RedmondOntario
RDM Bend/Redmond - ONT Ontario
RDMONT
Bend/Redmond
Thu 9/17
1:52 pm-8:01 pm
1 stop6h 09m
Ontario
Sat 9/19
8:00 am-12:06 pm
1 stop4h 06m
$369
RedmondOntario
RDM Bend/Redmond - ONT Ontario
RDMONT
Bend/Redmond
Thu 9/10
6:00 am-12:12 pm
1 stop6h 12m
Ontario
Sun 9/13
1:53 pm-8:50 pm
1 stop6h 57m
$369
Showing 1-10 of 19 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
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 22, 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.
Comfort
7.8
Food
7.0
Boarding
8.1
Crew
8.5
Overall
7.9
Entertainment
7.0
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Comfort
7.8
Food
7.0
Boarding
8.1
Crew
8.5
Overall
7.9
Entertainment
7.0
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Comfort
7.8
Food
7.0
Boarding
8.1
Crew
8.5
Overall
7.9
Entertainment
7.0
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Comfort
7.8
Food
7.0
Boarding
8.1
Crew
8.5
Overall
7.9
Entertainment
7.0
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
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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 7,457,451 searches. Data last updated August 22, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$197 | Average$339 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$233 | Average$429 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$237 | Average$288 | FlexibilityNo cancel fee | On-time69% |