Cheap Flights Saint Louis (STL) to Ontario (ONT)

The cheapest price from Saint Louis to Ontario is €154.05 with return on May 5, 2026. The average price is €221.53. There are 1 airport in Ontario and no direct flight from Saint Louis.

Cheapest prices for Ontario flights by month

April
€189.00
May
€189.00
June
€172.50
July
€156.00
August
€156.00
September
€156.00
October
€156.00
November
€156.00
December
€156.00
January
€156.00
February
€156.00
March
€156.00

The cheapest months to book a flight from Saint Louis to Ontario are July, August, September, October, November, December, January, February and March and the most expensive months to fly are April and May.

Saint Louis (STL) to Ontario (ONT) Flight Information

The average flight time from Saint Louis to Ontario is with average flight price €221.53 and total distance 0 km.

icon_faq_long Avg. Flight Duration:
icon_faq_price Flight Price: €154.05
Flight Depart from: Saint Louis
Flight Arrive in: Ontario
Distance: 0 km

Frequently Asked Questions

icon_faq_airports   How many airports are in Ontario?
There is one airport in Ontario: Ontario International Airport.
icon_faq_price   What is the best price for a return flight from Saint Louis to Ontario?
The best price for a return flight from Saint Louis to Ontario is €154.05. The average price for a ticket is €221.53
icon_faq_airlines   How many airlines fly directly from Saint Louis to Ontario?
There is no airline that directly flies from Saint Louis to Ontario.

Popular destinations from Saint Louis

From Saint Louis (STL) to Houston (HOU)
From €165.00
From Saint Louis (STL) to Istanbul (IST)
From €753.00
From Saint Louis (STL) to Orlando (ORL)
From €151.00
From Saint Louis (STL) to Dallas (DFW)
From €161.00
From Saint Louis (STL) to Washington (WAS)
From €199.00
From Saint Louis (STL) to Jackson (JAN)
From €219.00
From Saint Louis (STL) to Philadelphia (PHL)
From €245.00
From Saint Louis (STL) to Seattle (SEA)
From €207.00
From Saint Louis (STL) to Los Angeles (LAX)
From €181.00
From Saint Louis (STL) to Baltimore (BWI)
From €204.00
From Saint Louis (STL) to Chicago (CHI)
From €288.00
From Saint Louis (STL) to Cleveland (CLE)
From €247.00
From Saint Louis (STL) to Miami (MIA)
From €158.00
From Saint Louis (STL) to New York (NYC)
From €297.00
From Saint Louis (STL) to Ontario (ONT)
From €156.00
From Saint Louis (STL) to Punta Cana (PUJ)
From €350.00
From Saint Louis (STL) to Ho Chi Minh City (SGN)
From €1,380.00
From Saint Louis (STL) to Knoxville (TYS)
From €222.00
From Saint Louis (STL) to Waco (ACT)
From €785.00
From Saint Louis (STL) to Adler/Sochi (AER)
From €1,553.00
From Saint Louis (STL) to Athens (ATH)
From €880.00
From Saint Louis (STL) to Baku (BAK)
From €1,571.00
From Saint Louis (STL) to Belgrade (BEG)
From €914.00
From Saint Louis (STL) to Batumi (BUS)
From €1,675.00
From Saint Louis (STL) to Cozumel (CZM)
From €482.00
From Saint Louis (STL) to Detroit (DTT)
From €181.00
From Saint Louis (STL) to Dushanbe (DYU)
From €1,812.00
From Saint Louis (STL) to Fort Lauderdale (FLL)
From €416.00
From Saint Louis (STL) to Phuket (HKT)
From €1,106.00
From Saint Louis (STL) to Lexington (LEX)
From €353.00

Popular destinations from Ontario

From Ontario (ONT) to Manila (MNL)
From €628.00
From Ontario (ONT) to Dallas (DFW)
From €159.00
From Ontario (ONT) to New York (NYC)
From €110.00
From Ontario (ONT) to Las Vegas (LAS)
From €50.00
From Ontario (ONT) to Denver (DEN)
From €120.00
From Ontario (ONT) to San Salvador (SAL)
From €304.00
From Ontario (ONT) to Salt Lake City (SLC)
From €128.00
From Ontario (ONT) to Guadalajara (GDL)
From €247.00
From Ontario (ONT) to London (LON)
From €749.00
From Ontario (ONT) to Seattle (SEA)
From €132.00
From Ontario (ONT) to San Francisco (SFO)
From €47.00
From Ontario (ONT) to Portland (PDX)
From €151.00
From Ontario (ONT) to Atlanta (ATL)
From €218.00
From Ontario (ONT) to Honolulu (HNL)
From €280.00
From Ontario (ONT) to New Orleans (MSY)
From €226.00
From Ontario (ONT) to Houston (HOU)
From €137.00
From Ontario (ONT) to Indianapolis (IND)
From €138.00
From Ontario (ONT) to Phnom Penh (Ta Khmau) (KTI)
From €1,284.00
From Ontario (ONT) to Phoenix (PHX)
From €104.00
From Ontario (ONT) to Cancun (CUN)
From €286.00
From Ontario (ONT) to Fort Lauderdale (FLL)
From €212.00
From Ontario (ONT) to Guatemala City (GUA)
From €268.00
From Ontario (ONT) to Orlando (ORL)
From €171.00
From Ontario (ONT) to Sacramento (SAC)
From €132.00
From Ontario (ONT) to San Jose (SJC)
From €95.00
From Ontario (ONT) to Boise (BOI)
From €368.00
From Ontario (ONT) to Baltimore (BWI)
From €148.00
From Ontario (ONT) to Miami (MIA)
From €189.00
From Ontario (ONT) to Anchorage (ANC)
From €317.00
From Ontario (ONT) to Austin (AUS)
From €146.00