What are the cheapest airlines flying from Frankfurt am Main Airport to Ontario round-trip?

Currently priced at $556, KLM will fly you from Frankfurt am Main Airport to Ontario and back. In addition to KLM, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Delta and British Airways - these airlines can fly you to your destination from $571 and $574, respectively. KLM is priced at 28% lower than the current average price of a flight leaving 3 months from now.

What are the cheapest airlines to fly from Frankfurt am Main Airport to Ontario one-way?

For one-way options, check prices for Iberia. According to our data, you can fly for as low as $615. Users have also found prices from $621 and $703 on British Airways and Lufthansa, respectively.

What is the cheapest day to fly from Frankfurt am Main Airport to Ontario?

Travelers seeking maximum savings on their Frankfurt am Main Airport to Ontario flight should consider departing on Friday mornings when fares are most often at their lowest. Sunday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

What is the cheapest day to fly round-trip from Frankfurt am Main Airport to Ontario?

Flying to your destination on a Saturday can be more expensive, but this shouldn’t discourage you from finding affordable options to get to Ontario. Check prices with Cheapflights to find a great deal for your trip.

How far in advance should I book a flight from Frankfurt am Main Airport to Ontario?

Find a great deal and save up to 15% by booking at least 59 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from Frankfurt am Main Airport to Ontario within the next two weeks, with the cheapest ticket starting at $676.

What is the cheapest month to fly from Frankfurt am Main Airport to Ontario?

Flights from Frankfurt am Main Airport to Ontario lean towards being more expensive in July. Prices are generally better when you fly from Frankfurt am Main Airport to Ontario in February, with the cheapest ticket starting at $560.

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

A simple way to save on the total cost of your ticket is to fly from Frankfurt am Main Airport to Ontario in the morning. If you’re flexible enough to do this you can expect to save up to 51% on your trip compared to booking a flight at noon.

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

Most trusted provider : When it comes to deals on Frankfurt am Main Airport-Ontario flights, Cheapflights users trust eDreams the most. eDreams 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 Frankfurt am Main Airport-Ontario flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

What airport do you fly into for flights to Ontario from Frankfurt am Main?

For a flight from Frankfurt am Main to Ontario, you will be flying into Ontario. Ontario (ONT) is just 3.1 mi from the center of the city. Ontario is the only Ontario airport and it handles 0 inbound flights from Frankfurt am Main per day. 1 airline has flights to Ontario from Frankfurt am Main on a regular basis.

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

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

How can I find direct flights from Frankfurt to Ontario?

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

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

Yes. Cheapflights offers flight deals from Frankfurt 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.

$506+ Flights from Frankfurt am Main Airport to Ontario - Compare & Save Big

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Cheap flight deals from Frankfurt to Ontario

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$556 (AirNGo)
One-way from	$506 (Kiwi.com)
Popular in	December
Cheapest in	February
Average price	$834

Provider with most accurate pricing for Frankfurt am Main-Ontario flight deals.

Search Deals

Provider most trusted by Cheapflights users for Frankfurt am Main-Ontario flights.

Search Deals

From Frankfurt am Main to Ontario

Search Deals

One-way flight from Frankfurt am Main to Ontario

Search Deals

Highest demand for flights based on searches. 17% potential increase in price ($170 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 6% potential price decrease ($46 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in April 2025

Search Deals

Find flight deals from Frankfurt to Ontario

Cheapest flights from Frankfurt to Ontario
Explore the most affordable flight options available from Frankfurt to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 25, 2025.

Mon 6/910:40 amFRA - ONT

1 stop20h 45mKLM

Tue 6/247:05 amONT - FRA

1 stop16h 50mKLM

Deal found 4/25

$556

Thu 5/17:00 amFRA - ONT

2 stops24h 36mDelta

Mon 5/510:15 pmONT - FRA

2 stops25h 45mDelta

Deal found 4/24

$571

Sat 5/1710:55 amFRA - ONT

1 stop21h 48mBritish Airways

Sun 5/256:15 amONT - FRA

1 stop17h 30mBritish Airways

Deal found 4/24

$574

Wed 8/139:20 amFRA - ONT

1 stop19h 27mAmerican Airlines

Mon 8/182:59 pmONT - FRA

2 stops22h 26mAmerican Airlines

Deal found 4/24

$594

Tue 9/1610:45 amFRA - ONT

1 stop20h 11mIberia

Sat 10/48:43 amONT - FRA

1 stop15h 02mIberia

Deal found 4/24

$618

Thu 5/151:55 pmFRA - ONT

1 stop17h 05mUnited Airlines

Tue 5/203:10 pmONT - FRA

1 stop15h 05mUnited Airlines

Deal found 4/25

$630

Mon 6/99:55 amFRA - ONT

2 stops20h 09mMultiple Airlines

Mon 6/166:32 pmONT - FRA

3 stops28h 38mMultiple Airlines

Deal found 4/25

$636

Mon 6/95:05 pmFRA - ONT

3 stops28h 26mAir Canada

Mon 6/166:32 pmONT - FRA

3 stops28h 38mAir Canada

Deal found 4/25

$643

Fri 5/910:40 amFRA - ONT

1 stop20h 49mAir France

Fri 5/2312:18 pmONT - FRA

1 stop35h 37mAir France

Deal found 4/25

$714

Best flights from Frankfurt to Ontario
Discover carefully curated flight deals from Frankfurt to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 25, 2025.

Mon 6/910:40 amFRA - ONT

1 stop20h 45mKLM

Tue 6/247:05 amONT - FRA

1 stop16h 50mKLM

Deal found 4/25

$556

Sat 8/307:00 amFRA - ONT

2 stops24h 41mDelta

Sat 9/2010:59 pmONT - FRA

2 stops25h 01mDelta

Deal found 4/24

$571

Sat 5/1710:55 amFRA - ONT

1 stop21h 48mBritish Airways

Sun 5/256:15 amONT - FRA

1 stop17h 30mBritish Airways

Deal found 4/24

$574

Wed 8/139:20 amFRA - ONT

1 stop19h 27mAmerican Airlines

Mon 8/182:59 pmONT - FRA

2 stops22h 26mAmerican Airlines

Deal found 4/24

$594

Tue 9/1610:45 amFRA - ONT

1 stop20h 11mIberia

Sat 10/48:43 amONT - FRA

1 stop15h 02mIberia

Deal found 4/24

$618

Thu 5/151:55 pmFRA - ONT

1 stop17h 05mUnited Airlines

Tue 5/203:10 pmONT - FRA

1 stop15h 05mUnited Airlines

Deal found 4/25

$630

Mon 6/99:55 amFRA - ONT

2 stops20h 09mMultiple Airlines

Mon 6/166:32 pmONT - FRA

3 stops28h 38mMultiple Airlines

Deal found 4/25

$636

Mon 6/95:05 pmFRA - ONT

3 stops28h 26mAir Canada

Mon 6/166:32 pmONT - FRA

3 stops28h 38mAir Canada

Deal found 4/25

$643

Fri 5/910:40 amFRA - ONT

1 stop20h 49mAir France

Fri 5/2312:18 pmONT - FRA

1 stop35h 37mAir France

Deal found 4/25

$714

Last-minute flights from Frankfurt to Ontario
Discover last-minute flight deals from Frankfurt to Ontario. Data last updated April 25, 2025 and is based on user searches.

Wed 4/309:55 amFRA - ONT

2 stops35h 43mUnited Airlines

Wed 5/74:15 pmONT - FRA

2 stops14h 50mUnited Airlines

Deal found 4/25

$892

Thu 5/17:00 amFRA - ONT

2 stops24h 36mDelta

Mon 5/510:15 pmONT - FRA

2 stops25h 45mDelta

Deal found 4/24

$571

Thu 5/17:00 amFRA - ONT

2 stops18h 44mKLM

Mon 5/510:15 pmONT - FRA

1 stop25h 40mKLM

Deal found 4/24

$575

Thu 5/19:55 amFRA - ONT

2 stops19h 58mMultiple Airlines

Mon 5/54:15 pmONT - FRA

3 stops29h 55mMultiple Airlines

Deal found 4/24

$822

Thu 5/15:05 pmFRA - ONT

3 stops28h 33mAir Canada

Mon 5/54:15 pmONT - FRA

3 stops29h 55mAir Canada

Deal found 4/24

$828

Fri 5/210:55 amFRA - ONT

1 stop21h 55mBritish Airways

Fri 5/96:15 amONT - FRA

1 stop17h 30mBritish Airways

Deal found 4/25

$584

Fri 5/211:15 amFRA - ONT

1 stop39h 45mChina Airlines

Thu 5/812:10 amONT - FRA

1 stop45h 45mChina Airlines

Deal found 4/25

$8,819

Sat 5/310:55 amFRA - ONT

1 stop20h 03mIberia

Mon 5/197:30 amONT - FRA

1 stop16h 15mIberia

Deal found 4/24

$759

Mon 5/52:25 pmFRA - ONT

2 stops35h 19mWestJet

Thu 5/86:00 amONT - FRA

2 stops21h 45mWestJet

Deal found 4/25

$1,847

Tue 5/610:55 amFRA - ONT

1 stop20h 03mIberia

Fri 5/3012:45 pmONT - FRA

1 stop35h 00mIberia

Deal found 4/25

$734

Thu 5/810:55 amFRA - ONT

1 stop16h 41mMultiple Airlines

Thu 5/227:30 amONT - FRA

1 stop16h 15mMultiple Airlines

Deal found 4/24

$791

Fri 5/910:40 amFRA - ONT

1 stop20h 49mAir France

Fri 5/2312:18 pmONT - FRA

1 stop35h 37mAir France

Deal found 4/25

$714

One-way flights from Frankfurt to Ontario
Search for one-way flight options from Frankfurt to Ontario. Find affordable one-way fares based on user searches. Data last updated April 25, 2025.

Fri 5/23:05 pmFRA - ONT

3 stops49h 19mMultiple Airlines

Deal found 4/25

$506

Fri 8/2210:45 amFRA - ONT

1 stop21h 44mIberia

Deal found 4/24

$615

Fri 8/226:10 amFRA - ONT

2 stops20h 38mBritish Airways

Deal found 4/24

$621

Fri 5/231:55 pmFRA - ONT

1 stop16h 15mLufthansa

Deal found 4/25

$703

Mon 6/92:25 pmFRA - ONT

2 stops35h 36mWestJet

Deal found 4/24

$820

Thu 6/510:55 amFRA - ONT

1 stop32h 09mAmerican Airlines

Deal found 4/24

$878

Fri 6/1310:40 amFRA - ONT

1 stop20h 45mKLM

Deal found 4/24

$1,590

Fri 8/225:35 pmFRA - ONT

3 stops36h 50mUnited Airlines

Deal found 4/24

$1,603

Fri 7/411:15 amFRA - ONT

1 stop40h 25mChina Airlines

Deal found 4/25

$4,503

Cheapflights Fare Finder

Use the filters below to find and compare flights from Frankfurt am Main Airport to Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Frankfurt am MainOntario

FRA - ONT

FRAONT

Frankfurt am Main

Mon 6/9

10:40 am-10:25 pm

1 stop20h 45m

Ontario

Tue 6/24

7:05 am-8:55 am

1 stop16h 50m

$556

Frankfurt am MainOntario

FRA - ONT

FRAONT

Frankfurt am Main

Sat 8/30

7:00 am-10:41 pm

2 stops24h 41m

Ontario

Sat 9/20

10:59 pm-9:00 am

2 stops25h 01m

$571

Frankfurt am MainOntario

FRA - ONT

FRAONT

Frankfurt am Main

Sat 5/17

10:55 am-11:43 pm

1 stop21h 48m

Ontario

Sun 5/25

6:15 am-8:45 am

1 stop17h 30m

$574

Frankfurt am MainOntario

FRA - ONT

FRAONT

Frankfurt am Main

Wed 8/13

9:20 am-11:29 pm

2 stops23h 09m

Ontario

Mon 8/18

2:59 pm-10:25 pm

2 stops22h 26m

$594

Frankfurt am MainOntario

FRA - ONT

FRAONT

Frankfurt am Main

Tue 9/16

10:45 am-9:56 pm

1 stop20h 11m

Ontario

Sat 10/4

8:43 am-8:45 am

1 stop15h 02m

$618

Frankfurt am MainOntario

FRA - ONT

FRAONT

Frankfurt am Main

Thu 5/15

1:55 pm-10:00 pm

1 stop17h 05m

Ontario

Tue 5/20

3:10 pm-3:15 pm

1 stop15h 05m

$630

Frankfurt am MainOntario

FRA - ONT

FRAONT

Frankfurt am Main

Mon 6/9

9:55 am-9:04 pm

2 stops20h 09m

Ontario

Mon 6/16

6:32 pm-8:10 am

3 stops28h 38m

$636

Frankfurt am MainOntario

FRA - ONT

FRAONT

Frankfurt am Main

Mon 6/9

5:05 pm-12:31 pm

3 stops28h 26m

Ontario

Mon 6/16

6:32 pm-8:10 am

3 stops28h 38m

$643

Frankfurt am MainOntario

FRA - ONT

FRAONT

Frankfurt am Main

Fri 5/9

10:40 am-10:29 pm

1 stop20h 49m

Ontario

Fri 5/23

12:18 pm-8:55 am

1 stop35h 37m

$714

Frankfurt am MainOntario

FRA - ONT

FRAONT

Frankfurt am Main

Fri 5/2

3:05 pm-7:24 am

3 stops49h 19m

$506

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/25

Showing 1-10 of 18 results

Compare providers for flights from Frankfurt to Ontario

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Frankfurt to Ontario in April.

Provider	Price Accuracy	Trust Score*
eDreams	Price Accuracy3 stars	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*2 stars
Thrive Travel	Price Accuracy3 stars	Trust Score*2 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

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

Have a flexible travel schedule? Discover the best time to fly to Ontario from Frankfurt 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 Frankfurt am Main Airport to Ontario

What is the cheapest month to book a flight from Frankfurt am Main Airport to Ontario?

Currently, August is the cheapest month in which you can book a flight from Frankfurt am Main Airport to Ontario (average of $246). Flying from Frankfurt am Main Airport 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.

Rainfall in Ontario by month

In terms of precipitation, rainfall in Ontario ranges from 0.1 - 3.4 inches per month. February is typically the wettest month, when rainfall can reach 3.4 in. June is typically the driest time to visit Ontario when rainfall is around 0.1 in.

Temperature in Ontario by month

If weather is an important factor for your trip to Ontario, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 78.8 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 53.6 F).

Reviews of airlines servicing Ontario

Peruse reviews from past customers who have flown with China Airlines, Delta and KLM from Frankfurt am Main to Ontario to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

China Airlines

8.3

Very good

727 reviews

Reviews

1 / 20

6.0

Good

Anonymous,Apr 2025

YVR - TPE

I like the system, but the problem is the food , thre is no option, as a chef i don't recommend the food is worst we keep our hungry until taipe from vancouver

China Airlines

8.3

Very good

727 reviews

China Airlines

8.3

Very good

727 reviews

Reviews

1 / 20

6.0

Good

Anonymous,Apr 2025

YVR - TPE

I like the system, but the problem is the food , thre is no option, as a chef i don't recommend the food is worst we keep our hungry until taipe from vancouver

Delta

8.0

Very good

7,920 reviews

China Airlines

8.3

Very good

727 reviews

Reviews

1 / 20

6.0

Good

Anonymous,Apr 2025

YVR - TPE

I like the system, but the problem is the food , thre is no option, as a chef i don't recommend the food is worst we keep our hungry until taipe from vancouver

KLM

7.8

Good

1,333 reviews

China Airlines

8.3

Very good

727 reviews

Reviews

1 / 20

6.0

Good

Anonymous,Apr 2025

YVR - TPE

I like the system, but the problem is the food , thre is no option, as a chef i don't recommend the food is worst we keep our hungry until taipe from vancouver

Air France

7.4

Good

1,444 reviews

China Airlines

8.3

Very good

727 reviews

Reviews

1 / 20

6.0

Good

Anonymous,Apr 2025

YVR - TPE

I like the system, but the problem is the food , thre is no option, as a chef i don't recommend the food is worst we keep our hungry until taipe from vancouver

United Airlines

7.4

Good

8,685 reviews

China Airlines

8.3

Very good

727 reviews

Reviews

1 / 20

6.0

Good

Anonymous,Apr 2025

YVR - TPE

I like the system, but the problem is the food , thre is no option, as a chef i don't recommend the food is worst we keep our hungry until taipe from vancouver

Related info for your journey

What airport do you fly into for flights to Ontario from Frankfurt am Main?
For a flight from Frankfurt am Main to Ontario, you will be flying into Ontario. Ontario (ONT) is just 3.1 mi from the center of the city. Ontario is the only Ontario airport and it handles 0 inbound flights from Frankfurt am Main per day. 1 airline has flights to Ontario from Frankfurt am Main on a regular basis.
What are the cheapest airlines flying from Frankfurt am Main Airport to Ontario round-trip?
Currently priced at $556, KLM will fly you from Frankfurt am Main Airport to Ontario and back. In addition to KLM, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Delta and British Airways - these airlines can fly you to your destination from $571 and $574, respectively. KLM is priced at 28% lower than the current average price of a flight leaving 3 months from now.
What are the cheapest airlines to fly from Frankfurt am Main Airport to Ontario one-way?
For one-way options, check prices for Iberia. According to our data, you can fly for as low as $615. Users have also found prices from $621 and $703 on British Airways and Lufthansa, respectively.
Can I find deals for flights from Frankfurt to Ontario that include hotel bookings?
Yes. In addition to deals on Frankfurt to Ontario flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Frankfurt to Ontario?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Frankfurt to Ontario.
Can I find deals for business class flights from Frankfurt to Ontario?
Yes. Cheapflights offers flight deals from Frankfurt 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 Frankfurt am Main Airport to Ontario?
Currently, August is the cheapest month in which you can book a flight from Frankfurt am Main Airport to Ontario (average of $246). Flying from Frankfurt am Main Airport 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Other flights to Ontario

Top airline flying from Frankfurt to Ontario

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	Cheapest$668	Average$1,382	FlexibilityNo cancel fee	On-time69%

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$506+ Cheap flights from Frankfurt (FRA) to Ontario (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 5/2. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Frankfurt to Ontario with Cheapflights

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Cheap flight deals from Frankfurt to Ontario

Most accurate provider

Most trusted provider

Round-trip from

One-way from

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Cheapest in

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Find flight deals from Frankfurt to Ontario

Cheapest flights from Frankfurt to OntarioExplore the most affordable flight options available from Frankfurt to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 25, 2025.

Explore the most affordable flight options available from Frankfurt to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 25, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Frankfurt am Main Airport to Ontario that are best for you.

Compare providers for flights from Frankfurt 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 Frankfurt to Ontario in April.

Best time to book a flight from Frankfurt to Ontario

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

Cheapflights Insights

Everything you need to know about your flight from Frankfurt am Main Airport to Ontario

What is the cheapest month to book a flight from Frankfurt am Main Airport to Ontario?

Rainfall in Ontario by month

Plan your trip to Ontario by taking into account the average rainfall totals by month.

Temperature in Ontario by month

Plan your trip to Ontario by taking into account the average temperature totals by month.

Reviews of airlines servicing Ontario

Peruse reviews from past customers who have flown with China Airlines, Delta and KLM from Frankfurt am Main to Ontario to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

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

What airport do you fly into for flights to Ontario from Frankfurt am Main?

What are the cheapest airlines flying from Frankfurt am Main Airport to Ontario round-trip?

What are the cheapest airlines to fly from Frankfurt am Main Airport to Ontario one-way?

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

How can I find direct flights from Frankfurt to Ontario?

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

What is the cheapest month to book a flight from Frankfurt am Main Airport to Ontario?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Frankfurt to Ontario

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

Top airline flying from Frankfurt to Ontario

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Book with Flexibility

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Cheapest flights from Frankfurt to Ontario
Explore the most affordable flight options available from Frankfurt to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 25, 2025.