What is the cheapest airline to fly from Detroit to Ontario round-trip?

Cheapflights users have booked flights from Detroit to Ontario round-trip from $168. Users have found that Frontier is 65% cheaper than the other options available to this destination.

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

The cheapest airline one-way is Frontier, with whom users have recently found tickets for as low as $90. However, be on the lookout for offers from Southwest and American Airlines, as they are both options that can get you from Detroit to Ontario for a low price.

What are the most popular airlines that fly from Detroit to Ontario?

When booking a flight from Detroit to Ontario, you may want to consider flying on American Airlines, Delta or Frontier as they are the most popular for this route.

What are the cheapest flights from Detroit to Ontario?

On average you can expect to pay $699 for a flight from Detroit to Ontario. The cheapest flight overall is $135 while the most popular route, (Detroit Metropolitan Wayne County - Ontario) is currently priced at $191.

Can I find flights from Detroit to Ontario for under $200 on Cheapflights?

Yes, there are multiple flights from Detroit to Ontario for under $200. The cheapest flight booked recently is on Frontier for just $168, but on average you can expect to pay $218.

Are there last-minute flights available from Detroit to Ontario for under $200?

There are currently 20+ open flights from Detroit to Ontario within the next 7 days for less than $200.

Which airlines flying from Detroit to Ontario have flexible cancellations due to COVID-19?

Due to the rapidly changing circumstances due to COVID-19, airlines like Delta, American Airlines, and Frontier flying from Detroit to Ontario have implemented new flexible cancellation policies.

What is the cheapest day to fly round-trip from Detroit to Ontario?

Leaving on a Monday is a viable option for saving on travel. Heavily demanded days of the week can typically drive up the prices you see. Booking your travel for a less competitive day can save up to 24% on the overall cost on flights from Detroit to Ontario.

What is the cheapest month to fly from Detroit to Ontario?

Flights from Detroit to Ontario lean towards being more expensive in June. Prices are generally better when you fly from Detroit to Ontario in February, with the cheapest ticket starting at $159.

When is the cheapest time to fly from Detroit to Ontario (DTT - ONT)?

A simple way to save on the total cost of your ticket is to fly from Detroit to Ontario at noon. If you’re flexible enough to do this you can expect to save up to 17% on your trip compared to booking a flight in the afternoon.

What does DTW to ONT mean?

DTW and ONT are unique codes to identify airports used in the aviation industry. They are defined by IATA (International Air Transport Association) and are commonly called IATA codes. DTW to ONT refers to a flight route from Detroit Metropolitan Wayne County Airport to Ontario Airport.

Flights from Detroit, MI to Ontario, CA from $90

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DTT — ONT

Apr 2 — Apr 91

Round-tripOne-way

1 adult, Economy

We work with more than 300 partners to bring you better travel deals

The best prices from Detroit All airports to Ontario are usually found in August or January, booked 40 days in advance, depart on a Tuesday or Monday and return on a Wednesday

How to find the cheapest flight from Detroit (DTT) to Ontario (ONT)

DTT - ONT Price	$348 - $633
ONT Temperature	53.6 - 78.8 °F
ONT Rainfall	0.1 - 3.4 inches

DTT - ONT

Price

$348 - $633

ONT

Temperature

53.6 - 78.8 °F

ONT

Rainfall

0.1 - 3.4 inches

Popular in	April	High demand for flights, 24% potential price rise
Cheapest in	August	Best time to find cheap flights, 28% potential price drop
Round-trip from	$348	From Detroit (DTT) to Ontario
One-way from	$200	One-way flight from Detroit (DTT) to Ontario

Users have found that booking a flight from Detroit to Ontario at least 28 days early can save you up to 34% on average compared to booking a flight this week. If booking 28 days before your flight isn’t an option for you, users have found flights from Detroit to Ontario for as little as $383 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as $503 for flights departing within the next 3 days.

Cheap flights from Detroit to Ontario in March, April 2023

Apr 4 - Apr 12

DTW

Detroit Metropolitan Wayne County

ONT

Ontario

1 stop

17h 30m

ONT

Ontario

DTW

Detroit Metropolitan Wayne County

1 stop

18h 52m

$168

Frontier

Pick Dates

Deal found 3/28

Apr 17 - Apr 24

DTW

Detroit Metropolitan Wayne County

ONT

Ontario

1 stop

17h 12m

ONT

Ontario

DTW

Detroit Metropolitan Wayne County

1 stop

13h 16m

$188

Frontier

Pick Dates

Deal found 3/27

Apr 26 - May 3

DTW

Detroit Metropolitan Wayne County

ONT

Ontario

1 stop

10h 19m

ONT

Ontario

DTW

Detroit Metropolitan Wayne County

1 stop

18h 52m

$191

Multiple Airlines

Pick Dates

Deal found 3/26

Apr 13 - Apr 18

DTW

Detroit Metropolitan Wayne County

ONT

Ontario

1 stop

16h 38m

ONT

Ontario

DTW

Detroit Metropolitan Wayne County

1 stop

23h 26m

$193

Frontier

Pick Dates

Deal found 3/28

Apr 24 - May 1

DTW

Detroit Metropolitan Wayne County

ONT

Ontario

1 stop

15h 36m

ONT

Ontario

DTW

Detroit Metropolitan Wayne County

1 stop

13h 16m

$198

Frontier

Pick Dates

Deal found 3/27

Apr 27 - May 24

DTW

Detroit Metropolitan Wayne County

ONT

Ontario

1 stop

15h 44m

ONT

Ontario

DTW

Detroit Metropolitan Wayne County

1 stop

17h 43m

$208

Frontier

Pick Dates

Deal found 3/27

Apr 22 - Apr 29

DTW

Detroit Metropolitan Wayne County

ONT

Ontario

1 stop

9h 59m

ONT

Ontario

DTW

Detroit Metropolitan Wayne County

1 stop

19h 02m

$209

Multiple Airlines

Pick Dates

Deal found 3/26

Apr 22 - Apr 24

DTW

Detroit Metropolitan Wayne County

ONT

Ontario

1 stop

9h 59m

ONT

Ontario

DTW

Detroit Metropolitan Wayne County

2 stops

39h 48m

$210

Multiple Airlines

Pick Dates

Deal found 3/27

Apr 19 - Apr 22

DTW

Detroit Metropolitan Wayne County

ONT

Ontario

1 stop

17h 12m

ONT

Ontario

DTW

Detroit Metropolitan Wayne County

1 stop

19h 02m

$218

Frontier

Pick Dates

Deal found 3/27

Detroit to Ontario 2023 flight deals

Apr 4 - Apr 12

DTW

Detroit Metropolitan Wayne County

ONT

Ontario

1 stop

17h 30m

ONT

Ontario

DTW

Detroit Metropolitan Wayne County

1 stop

18h 52m

$168

Frontier

Pick Dates

Deal found 3/28

Apr 17 - Apr 24

DTW

Detroit Metropolitan Wayne County

ONT

Ontario

1 stop

17h 12m

ONT

Ontario

DTW

Detroit Metropolitan Wayne County

1 stop

13h 16m

$188

Frontier

Pick Dates

Deal found 3/27

Apr 26 - May 3

DTW

Detroit Metropolitan Wayne County

ONT

Ontario

1 stop

10h 19m

ONT

Ontario

DTW

Detroit Metropolitan Wayne County

1 stop

18h 52m

$191

Multiple Airlines

Pick Dates

Deal found 3/26

Apr 13 - Apr 18

DTW

Detroit Metropolitan Wayne County

ONT

Ontario

1 stop

16h 38m

ONT

Ontario

DTW

Detroit Metropolitan Wayne County

1 stop

23h 26m

$193

Frontier

Pick Dates

Deal found 3/28

Apr 24 - May 1

DTW

Detroit Metropolitan Wayne County

ONT

Ontario

1 stop

15h 36m

ONT

Ontario

DTW

Detroit Metropolitan Wayne County

1 stop

13h 16m

$198

Frontier

Pick Dates

Deal found 3/27

May 3 - May 8

DTW

Detroit Metropolitan Wayne County

ONT

Ontario

1 stop

10h 19m

ONT

Ontario

DTW

Detroit Metropolitan Wayne County

1 stop

19h 20m

$203

Multiple Airlines

Pick Dates

Deal found 3/27

Apr 27 - May 24

DTW

Detroit Metropolitan Wayne County

ONT

Ontario

1 stop

15h 44m

ONT

Ontario

DTW

Detroit Metropolitan Wayne County

1 stop

17h 43m

$208

Frontier

Pick Dates

Deal found 3/27

Apr 22 - Apr 29

DTW

Detroit Metropolitan Wayne County

ONT

Ontario

1 stop

9h 59m

ONT

Ontario

DTW

Detroit Metropolitan Wayne County

1 stop

19h 02m

$209

Multiple Airlines

Pick Dates

Deal found 3/26

Apr 22 - Apr 24

DTW

Detroit Metropolitan Wayne County

ONT

Ontario

1 stop

9h 59m

ONT

Ontario

DTW

Detroit Metropolitan Wayne County

2 stops

39h 48m

$210

Multiple Airlines

Pick Dates

Deal found 3/27

Cheap Frontier flights from Detroit to Ontario

Apr 10 - Apr 12

DTW

Detroit Metropolitan Wayne County

ONT

Ontario

1 stop

17h 12m

ONT

Ontario

DTW

Detroit Metropolitan Wayne County

1 stop

18h 52m

$168

Frontier

Pick Dates

Deal found 3/27

Apr 17 - Apr 24

DTW

Detroit Metropolitan Wayne County

ONT

Ontario

1 stop

17h 12m

ONT

Ontario

DTW

Detroit Metropolitan Wayne County

1 stop

13h 16m

$188

Frontier

Pick Dates

Deal found 3/27

Apr 13 - Apr 18

DTW

Detroit Metropolitan Wayne County

ONT

Ontario

1 stop

16h 38m

ONT

Ontario

DTW

Detroit Metropolitan Wayne County

1 stop

23h 26m

$193

Frontier

Pick Dates

Deal found 3/28

Apr 24 - May 1

DTW

Detroit Metropolitan Wayne County

ONT

Ontario

1 stop

15h 36m

ONT

Ontario

DTW

Detroit Metropolitan Wayne County

1 stop

13h 16m

$198

Frontier

Pick Dates

Deal found 3/27

Apr 27 - May 24

DTW

Detroit Metropolitan Wayne County

ONT

Ontario

1 stop

15h 44m

ONT

Ontario

DTW

Detroit Metropolitan Wayne County

1 stop

17h 43m

$208

Frontier

Pick Dates

Deal found 3/27

Apr 19 - Apr 22

DTW

Detroit Metropolitan Wayne County

ONT

Ontario

1 stop

17h 12m

ONT

Ontario

DTW

Detroit Metropolitan Wayne County

1 stop

19h 02m

$218

Frontier

Pick Dates

Deal found 3/27

May 11 - May 21

DTW

Detroit Metropolitan Wayne County

ONT

Ontario

1 stop

21h 25m

ONT

Ontario

DTW

Detroit Metropolitan Wayne County

1 stop

6h 12m

$228

Frontier

Pick Dates

Deal found 3/26

Apr 12 - Apr 28

DTW

Detroit Metropolitan Wayne County

ONT

Ontario

1 stop

17h 21m

ONT

Ontario

DTW

Detroit Metropolitan Wayne County

1 stop

10h 14m

$238

Frontier

Pick Dates

Deal found 3/26

Apr 4 - Apr 8

DTW

Detroit Metropolitan Wayne County

ONT

Ontario

1 stop

17h 30m

ONT

Ontario

DTW

Detroit Metropolitan Wayne County

1 stop

19h 02m

$248

Frontier

Pick Dates

Deal found 3/27

Cheap American Airlines flights from Detroit to Ontario

Apr 26 - May 3

DTW

Detroit Metropolitan Wayne County

ONT

Ontario

2 stops

15h 11m

ONT

Ontario

DTW

Detroit Metropolitan Wayne County

2 stops

17h 01m

$396

American Airlines

Pick Dates

Deal found 3/26

Apr 26 - May 1

DTW

Detroit Metropolitan Wayne County

ONT

Ontario

1 stop

8h 56m

ONT

Ontario

DTW

Detroit Metropolitan Wayne County

1 stop

9h 36m

$399

American Airlines

Pick Dates

Deal found 3/27

May 4 - May 10

DTW

Detroit Metropolitan Wayne County

ONT

Ontario

1 stop

7h 38m

ONT

Ontario

DTW

Detroit Metropolitan Wayne County

1 stop

8h 26m

$401

American Airlines

Pick Dates

Deal found 3/27

Apr 19 - Apr 22

DTW

Detroit Metropolitan Wayne County

ONT

Ontario

1 stop

8h 56m

ONT

Ontario

DTW

Detroit Metropolitan Wayne County

2 stops

11h 28m

$406

American Airlines

Pick Dates

Deal found 3/27

Apr 4 - Jun 6

DTW

Detroit Metropolitan Wayne County

ONT

Ontario

1 stop

11h 34m

ONT

Ontario

DTW

Detroit Metropolitan Wayne County

1 stop

7h 17m

$485

American Airlines

Pick Dates

Deal found 3/27

Apr 4 - Jun 6

DTW

Detroit Metropolitan Wayne County

ONT

Ontario

2 stops

14h 23m

ONT

Ontario

DTW

Detroit Metropolitan Wayne County

1 stop

7h 17m

$490

American Airlines

Pick Dates

Deal found 3/27

Apr 5 - Apr 16

DTW

Detroit Metropolitan Wayne County

ONT

Ontario

1 stop

11h 34m

ONT

Ontario

DTW

Detroit Metropolitan Wayne County

1 stop

9h 48m

$567

American Airlines

Pick Dates

Deal found 3/26

Apr 4 - Apr 12

DTW

Detroit Metropolitan Wayne County

ONT

Ontario

2 stops

14h 18m

ONT

Ontario

DTW

Detroit Metropolitan Wayne County

1 stop

9h 36m

$586

American Airlines

Pick Dates

Deal found 3/28

Apr 5 - Apr 9

DTW

Detroit Metropolitan Wayne County

ONT

Ontario

1 stop

11h 34m

ONT

Ontario

DTW

Detroit Metropolitan Wayne County

1 stop

6h 24m

$588

American Airlines

Pick Dates

Deal found 3/26

Last minute flights from Detroit to Ontario

Apr 4 - Apr 12

DTW

Detroit Metropolitan Wayne County

ONT

Ontario

1 stop

17h 30m

ONT

Ontario

DTW

Detroit Metropolitan Wayne County

1 stop

18h 52m

$168

Frontier

Pick Dates

Deal found 3/28

Apr 4 - Apr 8

DTW

Detroit Metropolitan Wayne County

ONT

Ontario

1 stop

17h 30m

ONT

Ontario

DTW

Detroit Metropolitan Wayne County

1 stop

19h 02m

$248

Frontier

Pick Dates

Deal found 3/27

Apr 2 - Apr 5

DTW

Detroit Metropolitan Wayne County

ONT

Ontario

1 stop

16h 26m

ONT

Ontario

DTW

Detroit Metropolitan Wayne County

1 stop

12h 51m

$258

Frontier

Pick Dates

Deal found 3/27

Apr 6 - Apr 8

DTW

Detroit Metropolitan Wayne County

ONT

Ontario

1 stop

16h 38m

ONT

Ontario

DTW

Detroit Metropolitan Wayne County

1 stop

19h 02m

$268

Frontier

Pick Dates

Deal found 3/27

Apr 3 - Apr 8

DTW

Detroit Metropolitan Wayne County

ONT

Ontario

1 stop

17h 30m

ONT

Ontario

DTW

Detroit Metropolitan Wayne County

1 stop

19h 02m

$328

Frontier

Pick Dates

Deal found 3/27

Apr 2 - Apr 8

DTW

Detroit Metropolitan Wayne County

ONT

Ontario

1 stop

16h 26m

ONT

Ontario

DTW

Detroit Metropolitan Wayne County

1 stop

12h 50m

$338

Frontier

Pick Dates

Deal found 3/27

Apr 5 - Apr 6

DTW

Detroit Metropolitan Wayne County

ONT

Ontario

1 stop

17h 12m

ONT

Ontario

DTW

Detroit Metropolitan Wayne County

1 stop

9h 21m

$357

Frontier

Pick Dates

Deal found 3/27

Apr 7 - Apr 8

DTW

Detroit Metropolitan Wayne County

ONT

Ontario

1 stop

17h 12m

ONT

Ontario

DTW

Detroit Metropolitan Wayne County

1 stop

12h 50m

$457

Frontier

Pick Dates

Deal found 3/27

Apr 4 - Jun 6

DTW

Detroit Metropolitan Wayne County

ONT

Ontario

1 stop

11h 34m

ONT

Ontario

DTW

Detroit Metropolitan Wayne County

1 stop

7h 17m

$485

American Airlines

Pick Dates

Deal found 3/27

One-way flights to Ontario from Detroit

Apr 5

DTW

Detroit Metropolitan Wayne County

ONT

Ontario

1 stop

17h 12m

$90

Frontier

Pick Dates

Deal found 3/27

Apr 12

DTW

Detroit Metropolitan Wayne County

ONT

Ontario

1 stop

17h 21m

$100

Frontier

Pick Dates

Deal found 3/27

Apr 25

DTW

Detroit Metropolitan Wayne County

ONT

Ontario

1 stop

11h 56m

$104

Frontier

Pick Dates

Deal found 3/27

Apr 6

DTW

Detroit Metropolitan Wayne County

ONT

Ontario

1 stop

16h 38m

$110

Frontier

Pick Dates

Deal found 3/28

Apr 25

DTW

Detroit Metropolitan Wayne County

ONT

Ontario

2 stops

32h 17m

$112

Multiple Airlines

Pick Dates

Deal found 3/26

Apr 16

DTW

Detroit Metropolitan Wayne County

ONT

Ontario

1 stop

16h 28m

$120

Frontier

Pick Dates

Deal found 3/26

Apr 14

DTW

Detroit Metropolitan Wayne County

ONT

Ontario

1 stop

17h 12m

$130

Frontier

Pick Dates

Deal found 3/27

Apr 25

DTW

Detroit Metropolitan Wayne County

ONT

Ontario

3 stops

15h 29m

$134

Multiple Airlines

Pick Dates

Deal found 3/26

May 5

DTW

Detroit Metropolitan Wayne County

ONT

Ontario

1 stop

11h 30m

$144

Frontier

Pick Dates

Deal found 3/27

Find flights from Detroit to Ontario within your budget

Fly from

Fly to

Budget

$168 - $396

Route

Depart

Return

Price

Detroit Metropolitan Wayne CountyOntario

DTW - ONT

DTWONT

Detroit Metropolitan Wayne County

2023-04-10

1 stop17h 12m

Ontario

2023-04-12

1 stop18h 52m

$168

Pick Dates

Detroit Metropolitan Wayne CountyOntario

DTW - ONT

DTWONT

Detroit Metropolitan Wayne County

2023-04-17

1 stop17h 12m

Ontario

2023-04-24

1 stop13h 16m

$188

Pick Dates

Detroit Metropolitan Wayne CountyOntario

DTW - ONT

DTWONT

Detroit Metropolitan Wayne County

2023-04-26

1 stop10h 19m

Ontario

2023-05-03

1 stop18h 52m

$191

Pick Dates

Detroit Metropolitan Wayne CountyOntario

DTW - ONT

DTWONT

Detroit Metropolitan Wayne County

2023-04-13

1 stop16h 38m

Ontario

2023-04-18

1 stop23h 26m

$193

Pick Dates

Detroit Metropolitan Wayne CountyOntario

DTW - ONT

DTWONT

Detroit Metropolitan Wayne County

2023-04-24

1 stop15h 36m

Ontario

2023-05-01

1 stop13h 16m

$198

Pick Dates

Detroit Metropolitan Wayne CountyOntario

DTW - ONT

DTWONT

Detroit Metropolitan Wayne County

2023-05-03

1 stop10h 19m

Ontario

2023-05-08

1 stop19h 20m

$203

Pick Dates

Detroit Metropolitan Wayne CountyOntario

DTW - ONT

DTWONT

Detroit Metropolitan Wayne County

2023-04-22

1 stop9h 59m

Ontario

2023-04-29

1 stop19h 02m

$209

Pick Dates

Detroit Metropolitan Wayne CountyOntario

DTW - ONT

DTWONT

Detroit Metropolitan Wayne County

2023-04-22

1 stop9h 59m

Ontario

2023-04-24

2 stops39h 48m

$210

Pick Dates

Detroit Metropolitan Wayne CountyOntario

DTW - ONT

DTWONT

Detroit Metropolitan Wayne County

2023-04-26

2 stops15h 11m

Ontario

2023-05-03

2 stops17h 01m

$396

Pick Dates

Flights are sorted by cheapest first

Deals found on 3/27

Reviews of Airlines Servicing Ontario

Alaska Airlines

8.0

Very good

1,369 reviews

Check prices

Reviews

1 / 10

Clean and new aircraft. Friendly crew. On time departure and arrival.

Alaska Airlines

8.0

Very good

1,369 reviews

Alaska Airlines

8.0

Very good

1,369 reviews

Check prices

Reviews

1 / 10

Clean and new aircraft. Friendly crew. On time departure and arrival.

Southwest

7.6

Good

1,037 reviews

Alaska Airlines

8.0

Very good

1,369 reviews

Check prices

Reviews

1 / 10

Clean and new aircraft. Friendly crew. On time departure and arrival.

United Airlines

7.6

Good

1,427 reviews

Alaska Airlines

8.0

Very good

1,369 reviews

Check prices

Reviews

1 / 10

Clean and new aircraft. Friendly crew. On time departure and arrival.

American Airlines

7.4

Good

1,787 reviews

Alaska Airlines

8.0

Very good

1,369 reviews

Check prices

Reviews

1 / 10

Clean and new aircraft. Friendly crew. On time departure and arrival.

Frontier

6.1

Okay

544 reviews

Alaska Airlines

8.0

Very good

1,369 reviews

Check prices

Reviews

1 / 10

Clean and new aircraft. Friendly crew. On time departure and arrival.

Related info for your journey

Alternative routes for Detroit to Ontario

Grand Rapids to Los Angelesfrom $105 pp

Grand Rapids to Ontariofrom $166 pp

Kalamazoo to Santa Anafrom $239 pp

Flint to Fresnofrom $242 pp

Kalamazoo to Los Angelesfrom $312 pp

Grand Rapids to Santa Anafrom $314 pp

Top 5 airlines flying from Detroit to Ontario

Airline	Cheapest	Average	Flexibility	On-time	COVID-19 safety
Frontier	Cheapest$164	Average$320	FlexibilityNo cancel fee	On-time62%	COVID-19 safety	Search Frontier flights
Spirit Airlines	Cheapest$178	Average$317	FlexibilityNo cancel fee	On-time65%	COVID-19 safety	Search Spirit Airlines flights
American Airlines	Cheapest$399	Average$558	FlexibilityNo cancel fee	On-time71%	COVID-19 safety	Search American Airlines flights
Delta	Cheapest$415	Average$579	FlexibilityNo cancel fee	On-timeN/A	COVID-19 safety	Search Delta flights
United Airlines	Cheapest$418	Average$581	FlexibilityNo cancel fee	On-time69%	COVID-19 safety	Search United Airlines flights

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Cheap flights from Detroit to Ontario (DTT - ONT) from $90

The best prices from Detroit All airports to Ontario are usually found in August or January, booked 40 days in advance, depart on a Tuesday or Monday and return on a Wednesday

How to find the cheapest flight from Detroit (DTT) to Ontario (ONT)

All the information you need to plan the best DTT to ONT flight in 2023: compare Detroit to Ontario flight prices with the expected peak season, weather and rainfall in Ontario.

What is the cheapest day to fly round-trip from Detroit to Ontario?

How far in advance should I book a flight from Detroit to Ontario?

What is the cheapest month to fly from Detroit to Ontario?

When is the cheapest time to fly from Detroit to Ontario (DTT - ONT)?

Cheap flights from Detroit to Ontario in March, April 2023

The best prices found for DTT to ONT flights for March, April

Detroit to Ontario 2023 flight deals

Cheap flights to Ontario from Detroit found for this year

Cheap Frontier flights from Detroit to Ontario

Cheap American Airlines flights from Detroit to Ontario

Last minute flights from Detroit to Ontario

Late deals on return flights to Ontario from Detroit, departing today and this week

One-way flights to Ontario from Detroit

The cheapest one-way flights from Detroit to Ontario

Find flights from Detroit to Ontario within your budget

Use the slider to find flights from Detroit to Ontario that fit your budget.

Reviews of Airlines Servicing Ontario

Related info for your journey

Useful info, stats and facts about Detroit to Ontario flights.

Which airlines flying from Detroit to Ontario have flexible cancellations due to COVID-19?

Can I find flights from Detroit to Ontario for under $200 on Cheapflights?

Are there last-minute flights available from Detroit to Ontario for under $200?

What is the cheapest airline to fly from Detroit to Ontario round-trip?

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

What are the most popular airlines that fly from Detroit to Ontario?

What are the cheapest flights from Detroit to Ontario?

What does DTW to ONT mean?

Other flights from Detroit

Other flights to Ontario

Flights to Ontario from Detroit

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Alternative routes for Detroit to Ontario

See prices for flight routes from nearby airports that may be better suited for you.

Top 5 airlines flying from Detroit to Ontario

The chart below displays the airlines Cheapflights users traveling from Detroit to Ontario choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.

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