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$317+ Cheap flights from Roswell, NM to Ontario (ROW - 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 3/25. Fares are subject to change and may not be available on all flights or dates of travel.
ROW — ONT
Mar 15 — Mar 221
Sun 3/15
Sun 3/22
1 adult, Economy
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Cheap flight deals from Roswell to Ontario

Cheapest flights from Roswell to Ontario
Explore the most affordable flight options available from Roswell to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 13, 2026.

This American Airlines deal was found by Cheapflights users on 2/9. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/246:18 am
ROW
-
ONT
1 stop8h 31m
American Airlines
Sat 2/2812:26 pm
ONT
-
ROW
2 stops8h 45m
American Airlines
Deal found 2/9$502
This United Airlines deal was found by Cheapflights users on 2/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/810:45 am
ROW
-
ONT
1 stop10h 51m
United Airlines
Tue 5/195:00 am
ONT
-
ROW
1 stop11h 18m
United Airlines
Deal found 2/11$584
This United Airlines deal was found by Cheapflights users on 2/8. 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 10/275:50 pm
ROW
-
ONT
2 stops19h 30m
United Airlines
Sat 10/311:00 pm
ONT
-
ROW
1 stop28h 20m
United Airlines
Deal found 2/8$646
This United Airlines deal was found by Cheapflights users on 2/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/2510:55 am
ROW
-
ONT
1 stop10h 55m
United Airlines
Sat 2/285:00 am
ONT
-
ROW
1 stop11h 01m
United Airlines
Deal found 2/11$652
This United Airlines deal was found by Cheapflights users on 2/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/2510:55 am
ROW
-
ONT
1 stop10h 55m
United Airlines
Sun 3/15:00 am
ONT
-
ROW
1 stop11h 16m
United Airlines
Deal found 2/11$672

Find flight deals from Roswell to Ontario

Discover tips and strategies to find the most affordable flight options for your journey from Roswell (ROW) 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 February 13, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$584
(United Airlines)

One-way from

$317
(United Airlines)
Provider with most accurate pricing for Roswell Intl-Ontario flight deals.
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Provider most trusted by Cheapflights users for Roswell Intl-Ontario flights.
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From Roswell Intl to Ontario
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One-way flight from Roswell Intl to Ontario
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Roswell 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 February 13, 2026.
Use the filters below to find and compare flights from Roswell to Ontario that are best for you.

Fly from

Roswell

Fly to

Ontario

Route

Depart

Return

Price

RoswellOntario

ROW - ONT

ROWONT

Roswell Intl

Tue 2/24

6:18 am-1:49 pm

1 stop8h 31m

Ontario

Sat 2/28

12:26 pm-10:11 pm

2 stops8h 45m

$502

RoswellOntario

ROW - ONT

ROWONT

Roswell Intl

Fri 5/8

10:45 am-8:36 pm

1 stop10h 51m

Ontario

Tue 5/19

5:00 am-5:18 pm

1 stop11h 18m

$584

RoswellOntario

ROW - ONT

ROWONT

Roswell Intl

Wed 2/25

10:55 am-8:50 pm

1 stop10h 55m

Ontario

Sat 2/28

5:00 am-5:01 pm

1 stop11h 01m

$652

RoswellOntario

ROW - ONT

ROWONT

Roswell Intl

Wed 2/25

10:55 am-8:50 pm

1 stop10h 55m

Ontario

Sun 3/1

5:00 am-5:16 pm

1 stop11h 16m

$672

RoswellOntario

ROW - ONT

ROWONT

Roswell Intl

Fri 6/26

10:55 am-8:17 pm

1 stop10h 22m

Ontario

Sun 6/28

1:00 pm-9:55 am

1 stop19h 55m

$774

RoswellOntario

ROW - ONT

ROWONT

Roswell Intl

Thu 6/25

5:50 pm-12:32 pm

1 stop19h 42m

Ontario

Sun 6/28

1:00 pm-9:55 am

1 stop19h 55m

$774

RoswellOntario

ROW - ONT

ROWONT

Roswell Intl

Wed 3/25

10:45 am-10:57 pm

2 stops13h 12m

$317

RoswellOntario

ROW - ONT

ROWONT

Roswell Intl

Sun 3/1

10:55 am-8:50 pm

1 stop10h 55m

$352

RoswellOntario

ROW - ONT

ROWONT

Roswell Intl

Sun 3/1

12:05 pm-8:48 am

2 stops21h 43m

$393

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/13

  • Most accurate provider: When it comes to deals on Roswell, New Mexico-Ontario flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Roswell, New Mexico-Ontario flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Roswell, New Mexico-Ontario flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Roswell, New Mexico-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 Roswell, New Mexico-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 Roswell to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from Roswell with our price prediction graph.
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.

Related info for your journey

Find useful and relevant information for your journey from Roswell to Ontario. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Roswell, New Mexico to Ontario?

    American Airlines and United Airlines can get you from Roswell, New Mexico to Ontario in just under 8h 31m. Your travel time can differ by up to 2h 20m. The distance from Roswell, New Mexico to Ontario is about 752 mi. This flight may include one or multiple stops.

  • Can I find deals for flights from Roswell to Ontario that include hotel bookings?

    Yes. In addition to deals on Roswell to Ontario flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Roswell to Ontario?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Roswell to Ontario.

  • Can I find deals for business class flights from Roswell to Ontario?

    Yes. Cheapflights offers flight deals from Roswell to Ontario by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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