$133+ Cheap flights from Redmond to Ontario (RDM - ONT)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/5. Fares are subject to change and may not be available on all flights or dates of travel.
RDM — ONT
Oct 15 — Oct 221
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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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 September 15, 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 September 15, 2026.
This Alaska Airlines deal was found by Cheapflights users on 9/10. 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 10/91:35 pm -
1 stop20h 42m
Fri 10/166:56 pm -
1 stop22h 33m
Deal found 9/10![Alaska Airlines logo]()
$263
This Delta deal was found by Cheapflights users on 9/15. 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 10/245:05 am -
1 stop7h 31m
Mon 10/266:00 pm -
1 stop5h 06m
Deal found 9/15![Delta logo]()
$308
This Delta deal was found by Cheapflights users on 9/11. 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 10/65:05 am -
1 stop7h 31m
Tue 10/136:00 am -
1 stop5h 45m
Deal found 9/11![Delta logo]()
$309
This Delta deal was found by Cheapflights users on 9/11. 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 10/66:10 am -
2 stops10h 13m
Thu 10/156:00 pm -
1 stop5h 06m
Deal found 9/11![Delta logo]()
$314
This Booking.com deal was found by Cheapflights users on 9/10. 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.
Wed 10/76:09 pm -
1 stop16h 08m
Sat 10/106:02 am -
1 stop6h 36m
Deal found 9/10![Alaska Airlines logo]()
$316
This SmartFares deal was found by Cheapflights users on 9/10. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/26:17 pm -
1 stop5h 07m
Tue 10/66:02 am -
1 stop6h 36m
Deal found 9/10![Alaska Airlines logo]()
$318
This Delta deal was found by Cheapflights users on 9/14. 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 9/296:15 am -
2 stops10h 20m
Sat 10/31:04 pm -
2 stops9h 49m
Deal found 9/14![Delta logo]()
$319
This Flightnetwork deal was found by Cheapflights users on 9/11. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/136:09 pm -
1 stop16h 08m
Tue 10/206:02 am -
2 stops9h 18m
Deal found 9/11![Alaska Airlines logo]()
$328
This lol.travel deal was found by Cheapflights users on 9/14. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/74:00 pm -
1 stop4h 15m
Wed 10/1411:13 am -
1 stop6h 16m
Deal found 9/14![Alaska Airlines logo]()
$341
This Delta deal was found by Cheapflights users on 9/11. 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 10/96:10 am -
1 stop5h 06m
Sat 10/106:00 pm -
1 stop5h 06m
Deal found 9/11![Delta logo]()
$344
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 September 15, 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 September 15, 2026.
This Alaska Airlines deal was found by Cheapflights users on 9/10. 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.
Thu 10/151:35 pm -
1 stop10h 07m
Tue 10/206:02 am -
1 stop27h 40m
Deal found 9/10![Alaska Airlines logo]()
$263
This Delta deal was found by Cheapflights users on 9/15. 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 10/245:05 am -
1 stop7h 31m
Mon 10/266:00 pm -
1 stop5h 06m
Deal found 9/15![Delta logo]()
$308
This Delta deal was found by Cheapflights users on 9/14. 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 11/116:20 am -
1 stop4h 57m
Sat 12/56:00 am -
1 stop5h 43m
Deal found 9/14![Delta logo]()
$309
This Alaska Airlines deal was found by Cheapflights users on 9/10. 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 11/141:39 pm -
1 stop4h 38m
Wed 11/1810:40 am -
1 stop5h 01m
Deal found 9/10![Alaska Airlines logo]()
$316
This Delta deal was found by Cheapflights users on 9/10. 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 11/131:17 pm -
2 stops10h 32m
Mon 11/165:59 pm -
1 stop4h 58m
Deal found 9/10![Delta logo]()
$314
This Booking.com deal was found by Cheapflights users on 9/10. 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.
Wed 10/76:09 pm -
1 stop16h 08m
Sat 10/106:02 am -
1 stop6h 36m
Deal found 9/10![Alaska Airlines logo]()
$316
This Alaska Airlines deal was found by Cheapflights users on 9/15. 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.
Wed 10/288:00 am -
1 stop5h 16m
Sat 10/316:02 am -
1 stop6h 36m
Deal found 9/15![Alaska Airlines logo]()
$349
This Priceline deal was found by Cheapflights users on 9/10. 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.
Thu 12/35:31 pm -
1 stop5h 08m
Fri 2/266:10 pm -
1 stop4h 32m
Deal found 9/10![Alaska Airlines logo]()
$356
This Alaska Airlines deal was found by Cheapflights users on 9/13. 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.
Wed 10/74:00 pm -
1 stop4h 15m
Wed 10/146:02 am -
1 stop6h 36m
Deal found 9/13![Alaska Airlines logo]()
$364
Last-minute flights from Redmond to OntarioDiscover last-minute flight deals from Redmond to Ontario. Data last updated September 15, 2026 and is based on user searches.
Discover last-minute flight deals from Redmond to Ontario. Data last updated September 15, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 9/14. 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 9/296:15 am -
2 stops10h 20m
Sat 10/31:04 pm -
2 stops9h 49m
Deal found 9/14![Delta logo]()
$319
This SmartFares deal was found by Cheapflights users on 9/10. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/26:17 pm -
1 stop5h 07m
Tue 10/66:02 am -
1 stop6h 36m
Deal found 9/10![Alaska Airlines logo]()
$318
This Delta deal was found by Cheapflights users on 9/11. 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 10/65:05 am -
1 stop7h 31m
Tue 10/136:00 am -
1 stop5h 45m
Deal found 9/11![Delta logo]()
$309
This Delta deal was found by Cheapflights users on 9/11. 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 10/66:10 am -
2 stops10h 13m
Thu 10/156:00 pm -
1 stop5h 06m
Deal found 9/11![Delta logo]()
$314
This Booking.com deal was found by Cheapflights users on 9/10. 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.
Wed 10/76:09 pm -
1 stop16h 08m
Sat 10/106:02 am -
1 stop6h 36m
Deal found 9/10![Alaska Airlines logo]()
$316
This lol.travel deal was found by Cheapflights users on 9/14. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/74:00 pm -
1 stop4h 15m
Wed 10/1411:13 am -
1 stop6h 16m
Deal found 9/14![Alaska Airlines logo]()
$341
This Alaska Airlines deal was found by Cheapflights users on 9/10. 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 10/91:35 pm -
1 stop20h 42m
Fri 10/166:56 pm -
1 stop22h 33m
Deal found 9/10![Alaska Airlines logo]()
$263
This Delta deal was found by Cheapflights users on 9/11. 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 10/96:10 am -
1 stop5h 06m
Fri 10/96:00 pm -
1 stop5h 06m
Deal found 9/11![Delta logo]()
$344
This Flightnetwork deal was found by Cheapflights users on 9/11. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/136:09 pm -
1 stop16h 08m
Tue 10/206:02 am -
2 stops9h 18m
Deal found 9/11![Alaska Airlines logo]()
$328
This Delta deal was found by Cheapflights users on 9/15. 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 10/245:05 am -
1 stop7h 31m
Mon 10/266:00 pm -
1 stop5h 06m
Deal found 9/15![Delta logo]()
$308
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 September 15, 2026.
Search for one-way flight options from Redmond to Ontario. Find affordable one-way fares based on user searches. Data last updated September 15, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/14. 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 10/512:20 pm -
1 stop28h 39m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![Multiple Airlines logo]()
$133
This Kiwi.com deal was found by Cheapflights users on 9/14. 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.
Fri 10/912:20 pm -
1 stop20h 49m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![Multiple Airlines logo]()
$140
This Delta deal was found by Cheapflights users on 9/10. 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 10/256:10 am -
1 stop5h 06m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Delta logo]()
$145
This Delta deal was found by Cheapflights users on 9/12. 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 10/56:15 am -
1 stop4h 59m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/12![Delta logo]()
$155
This Delta deal was found by Cheapflights users on 9/14. 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 10/106:10 am -
2 stops10h 13m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![Delta logo]()
$160
This Mytrip deal was found by Cheapflights users on 9/11. 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.
Mon 10/51:35 pm -
1 stop10h 07m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/11![Alaska Airlines logo]()
$163
This Mytrip deal was found by Cheapflights users on 9/14. 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 10/136:09 pm -
1 stop16h 08m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![Alaska Airlines logo]()
$174
This Priceline deal was found by Cheapflights users on 9/10. 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.
Fri 9/254:02 pm -
1 stop4h 22m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Alaska Airlines logo]()
$185
This United Airlines deal was found by Cheapflights users on 9/15. 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 10/156:00 am -
1 stop6h 18m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![United Airlines logo]()
$195
This Priceline deal was found by Cheapflights users on 9/12. 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.
Fri 10/166:09 pm -
1 stop5h 33m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/12![Alaska Airlines logo]()
$210
This Alaska Airlines deal was found by Cheapflights users on 9/13. 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 9/286:17 pm -
1 stop5h 07m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/13![Alaska Airlines logo]()
$250
This Priceline deal was found by Cheapflights users on 9/12. 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.
Tue 9/225:25 am -
1 stop4h 26m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/12![Alaska Airlines logo]()
$266
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 September 15, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $263 (Alaska Airlines) |
One-way from | $133 (Kiwi.com) |
Popular in | May |
Cheapest in | April |
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 September 15, 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
Sun 10/25
6:10 am-11:16 am
1 stop5h 06m
Ontario
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$145
RedmondOntario
RDM Bend/Redmond - ONT Ontario
RDMONT
Bend/Redmond
Mon 9/28
6:00 am-12:18 pm
1 stop6h 18m
Ontario
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$155
RedmondOntario
RDM Bend/Redmond - ONT Ontario
RDMONT
Bend/Redmond
Wed 10/7
6:10 am-11:16 am
1 stop5h 06m
Ontario
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$155
RedmondOntario
RDM Bend/Redmond - ONT Ontario
RDMONT
Bend/Redmond
Sat 10/10
6:00 am-10:23 am
1 stop4h 23m
Ontario
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$155
RedmondOntario
RDM Bend/Redmond - ONT Ontario
RDMONT
Bend/Redmond
Mon 10/26
5:05 am-12:36 pm
1 stop7h 31m
Ontario
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$155
RedmondOntario
RDM Bend/Redmond - ONT Ontario
RDMONT
Bend/Redmond
Sun 10/11
6:10 am-11:16 am
1 stop5h 06m
Ontario
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$155
RedmondOntario
RDM Bend/Redmond - ONT Ontario
RDMONT
Bend/Redmond
Sat 10/10
6:10 am-4:23 pm
2 stops10h 13m
Ontario
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$160
RedmondOntario
RDM Bend/Redmond - ONT Ontario
RDMONT
Bend/Redmond
Tue 10/13
6:09 pm-10:17 am
1 stop16h 08m
Ontario
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$174
RedmondOntario
RDM Bend/Redmond - ONT Ontario
RDMONT
Bend/Redmond
Fri 9/25
4:02 pm-8:24 pm
1 stop4h 22m
Ontario
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$185
RedmondOntario
RDM Bend/Redmond - ONT Ontario
RDMONT
Bend/Redmond
Sun 11/1
2:05 pm-8:15 pm
1 stop6h 10m
Ontario
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$195
Showing 1-10 of 21 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 September.
| 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 September 15, 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
Entertainment
7.0
Overall
7.9
Boarding
8.1
Food
7.0
Crew
8.5
Reviews
1 / 20
2.0
MediocreChris,Aug 2026
GEG - SFO
Comfort
7.8
Entertainment
7.0
Overall
7.9
Boarding
8.1
Food
7.0
Crew
8.5
Reviews
1 / 20
2.0
MediocreChris,Aug 2026
GEG - SFO
Comfort
7.8
Entertainment
7.0
Overall
7.9
Boarding
8.1
Food
7.0
Crew
8.5
Reviews
1 / 20
2.0
MediocreChris,Aug 2026
GEG - SFO
Comfort
7.8
Entertainment
7.0
Overall
7.9
Boarding
8.1
Food
7.0
Crew
8.5
Reviews
1 / 20
2.0
MediocreChris,Aug 2026
GEG - SFO
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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Alternative routes for Redmond to Ontario
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Complete your trip to Ontario by adding a car rental and/or hotel reservation to your travel itinerary.
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Other flights to Ontario
Explore flights to Ontario departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 15, 2026.
Redmond and Ontario flights
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Other flights from Redmond
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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 September 15, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$197 | Average$353 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$233 | Average$392 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$237 | Average$300 | FlexibilityNo cancel fee | On-time69% |