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$119+ Cheap flights from Medford to Ontario (MFR - 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 8/16. Fares are subject to change and may not be available on all flights or dates of travel.
MFR — ONT
Jul 8 — Jul 151
Tue 7/8
Tue 7/15
1 adult, Economy
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Cheap flight deals from Medford to Ontario

Discover tips and strategies to find the most affordable flight options for your journey from Medford (MFR) 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 July 3, 2025.

Round-trip from

$238
(Alaska Airlines)

One-way from

$119
(Alaska Airlines)

Popular in

December

Cheapest in

August

Average price

$366
From Medford to Ontario
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One-way flight from Medford to Ontario
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Highest demand for flights based on searches. 9% potential increase in price ($35 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($14 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Find flight deals from Medford to Ontario

Cheapest flights from Medford to Ontario
Explore the most affordable flight options available from Medford to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 3, 2025.

This Alaska Airlines deal was found by Cheapflights users on 7/2. 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.
Sat 8/166:00 amMFR - ONT
1 stop7h 26mAlaska Airlines
Sat 8/237:10 amONT - MFR
1 stop4h 49mAlaska Airlines
Deal found 7/2$238
This Hawaiian Airlines deal was found by Cheapflights users on 7/1. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/1412:05 pmMFR - ONT
1 stop6h 28mHawaiian Airlines
Mon 10/206:00 amONT - MFR
1 stop5h 16mHawaiian Airlines
Deal found 7/1$240
This Delta deal was found by Cheapflights users on 7/1. 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.
Fri 8/226:00 amMFR - ONT
1 stop4h 50mDelta
Wed 8/276:00 amONT - MFR
1 stop5h 00mDelta
Deal found 7/1$288
This United Airlines deal was found by Cheapflights users on 7/2. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/252:12 pmMFR - ONT
1 stop3h 31mUnited Airlines
Sun 7/276:10 amONT - MFR
1 stop16h 31mUnited Airlines
Deal found 7/2$431

Cheapflights Fare Finder

Customize your flight search to find flights from Medford 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 July 3, 2025.
Use the filters below to find and compare flights from Medford to Ontario that are best for you.

Fly from

Medford

Fly to

Ontario

Route

Depart

Return

Price

MedfordOntario

MFR - ONT

MFRONT

Medford

Sat 8/16

6:00 am-1:26 pm

1 stop7h 26m

Ontario

Sat 8/23

7:10 am-11:59 am

1 stop4h 49m

$238

MedfordOntario

MFR - ONT

MFRONT

Medford

Tue 10/14

12:05 pm-6:33 pm

1 stop6h 28m

Ontario

Mon 10/20

6:00 am-11:16 am

1 stop5h 16m

$240

MedfordOntario

MFR - ONT

MFRONT

Medford

Fri 8/22

6:00 am-10:50 am

1 stop4h 50m

Ontario

Wed 8/27

6:00 am-11:00 am

1 stop5h 00m

$288

MedfordOntario

MFR - ONT

MFRONT

Medford

Fri 7/25

2:12 pm-5:43 pm

1 stop3h 31m

Ontario

Sun 7/27

6:10 am-10:41 pm

1 stop16h 31m

$431

MedfordOntario

MFR - ONT

MFRONT

Medford

Sat 8/16

6:14 pm-12:15 am

1 stop6h 01m

$119

MedfordOntario

MFR - ONT

MFRONT

Medford

Fri 8/15

12:00 pm-6:04 pm

1 stop6h 04m

$121

MedfordOntario

MFR - ONT

MFRONT

Medford

Sun 8/17

6:00 am-10:50 am

1 stop4h 50m

$139

MedfordOntario

MFR - ONT

MFRONT

Medford

Thu 11/20

6:00 am-12:37 pm

1 stop6h 37m

$157

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/1

Best time to book a flight from Medford to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from Medford 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.

Cheapflights Insights

Everything you need to know about your flight from Medford to Ontario

What is the cheapest month to book a flight from Medford to Ontario?

Currently, August is the cheapest month in which you can book a flight from Medford to Ontario (average of $246). Flying from Medford to Ontario in March is currently the most expensive (average of $328). 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.

What is the cheapest time of day to fly from MFR to ONT?

Find hourly flight availability from Medford to Ontario. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 3, 2025.

One of the essential ways to save on airfare from Medford to Ontario is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the afternoon could potentially save you up to 24% on airfare.

How much does it cost to fly round-trip from Medford 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 July 3, 2025.
See what other customers who have flown with Alaska Airlines, Delta, and Hawaiian Airlines from Medford to Ontario have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Entertainment

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Entertainment

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,982 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Entertainment

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Hawaiian Airlines
7.8
Good
2,545 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Entertainment

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,861 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Entertainment

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Related info for your journey

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

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

    Our cheapest airline available from Medford to Ontario is Alaska Airlines. Our recent data shows that you can find tickets from as low as $238 on this airline. Additional options worth looking into are Hawaiian Airlines and Delta, starting at $240 and $288 round-trip. These flights start at 32% lower than the current average price 3 months from now.

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

    For one-way options, check prices for Alaska Airlines. According to our data, you can fly for as low as $119. Users have also found prices from $121 and $139 on Hawaiian Airlines and Delta, respectively.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Medford 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.

  • What is the cheapest month to book a flight from Medford to Ontario?

    Currently, August is the cheapest month in which you can book a flight from Medford to Ontario (average of $246). Flying from Medford to Ontario in March is currently the most expensive (average of $328). 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.

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Top 4 airlines flying from Medford to Ontario

Discover the top 4 airlines that operate flights from Medford 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 July 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$216Average$399FlexibilityNo cancel feeOn-time71%
DeltaCheapest$216Average$274FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$234Average$327FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$242Average$350FlexibilityNo cancel feeOn-time69%

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