The cheapest times to fly from ONT to PEK are

  • February 12th to April 29th
  • August 27th to December 9th (except the week of October 1st)

based on data collected exclusively by Champion Traveler across tens of millions of flights. Among all the dates above, the very cheapest time to fly from ONT to PEK is late September. Prices can be as high as $1642 for Saturday flights during mid December, or as low as $479 for Wednesday flights around late September.


When to Fly to Beijing

Flying from Ontario, CA (ONT) to Beijing (PEK) will usually cost between $640 to $1271 per person if booking more than four weeks in advance. On average the very cheapest time to fly is late September with an average ticket price of $550. Due to high demand the most expensive time to fly is mid December, with an average price of $1373. Planning your trip to low-cost times can easily save you $823 on economy flights and even more on first-class flights. Generally, any price below $833 can be considered a good price for a round-trip ONT to PEK flight.

See below for a graph of average weekly prices for the ONT to PEK route. All prices are for round-trip tickets in USD.

ONT to PEK Flight Prices

Compared to other flights, the ONT to PEK flight is cheaper than the average and costs less than the average flight leaving from Ontario. The average price per mile (for a direct flight) is $0.08, which is far below average.


Flight Prices by Day of the Week

Wednesday is usually the cheapest day to fly to PEK, and Tuesday the cheapest day to fly back into ONT. Saturdays are the most expensive days to fly to Beijing, and Fridays are the most expensive days to return to Ontario. Selecting flights on the least expensive days could save you up to $120 (13%) on this flight.

Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Wednesday and returning a week later will cost an average of $833. Return trip prices are from the PEK to ONT flight, and often highlight the quality of our data in showing the same trend.

Departing Prices by Day

Departure Day Prices

Return Trip Prices by Day

Return Day Prices


Nonstop Flights and Layovers

Travelers looking to fly from ONT to PEK can generally find a 1-layover flight. Because there is not usually a direct flight option the real-world direct flight time of 12 hour 15 minutes may not be realistic.


Flight Hacking ONT to PEK

Flight hacking is when you book two tickets instead of a layover, sometimes with different airlines. You will need to either bring only a carry-on bag (highly recommended) or leave yourself plenty of time to go through security again. Flight hacking is completely allowed, but airlines don’t always tell you the cheapest way to get from ONT to PEK — but Champion Traveler does!

Hack #1: Seattle, WA (ONT > SEA > PEK)

  • Price for both tickets: $785
  • Average savings: $48 (5.76%)

See ONT to SEA flights

Hack #2: Denver, CO (ONT > DEN > PEK)

  • Price for both tickets: $801
  • Average savings: $33 (3.9%)

See ONT to DEN flights

Hack #3: San Francisco, CA (ONT > SFO > PEK)

  • Price for both tickets: $831
  • Average savings: $3 (0.3%)

See ONT to SFO flights


Flight Questions Answered

Still have questions about flying from ONT to PEK? We’ve got answers.

Which airlines fly this route?

You can find 14 major airlines flying this route most often: Air Canada, Air China, Alaska, American, British Airways, China Airlines, China Southern, Condor, Delta, EVA Air, Hainan, JAL, Lufthansa, United, and potentially more during busy seasons.

How far away is it from Capital International Airport to Ontario International Airport?

The distance between the two airports is roughly 6258 miles or 10071 kilometers.

How long does it take to fly from ONT to PEK?

The real-world flight time for a nonstop ONT to PEK flight is about 12 hour 15 minutes.

How many flights go between Ontario, CA and Beijing?

It depends on the day of the week and the date, but a typical day might have around 20 available flights from ONT to PEK.


Airport Location Info


Departing Airport

Origination codeONT
Origination airport nameOntario International Airport
CityOntario, CA
Countrythe United States

Return Airport

Destination codePEK
Destination airport nameCapital International Airport


Other Resources

Please note that while we’ve worked hard to analyzed tens of millions of flights to get you this data, we do not calculate current live prices or guarantee pricing. Please see our partners using the links above for current offers.