Flights to Ontario (ONT)

Last updated: Oct 3, 2026

Ontario International Airport is an airport serving Ontario, United States.

Right now there are 57 airports in 4 countries connected to Ontario, 51 of them domestic, with 34 airlines flying scheduled passenger traffic.

Ontario's longest nonstop connection is Taipei (TPE), 6,818 miles, offered by American Airlines, China Airlines and 1 other airline.

Airlines serving Ontario

Southwest Airlines38 destinations
Frontier Airlines12 destinations
United Airlines12 destinations
Volaris12 destinations
Alaska Airlines5 destinations
American Airlines5 destinations
Air France3 destinations
British Airways3 destinations
Delta Air Lines3 destinations
KLM3 destinations

Virgin Atlantic3 destinations
AeroMexico2 destinations
Air Canada2 destinations
Korean Air2 destinations
Qatar Airways2 destinations
Air Serbia1 destination
Avianca1 destination
China Airlines1 destination
Copa Airlines1 destination
Emirates1 destination

Show top 20 airlines

Popular routes to Ontario

The places connected to Ontario on the most scheduled services, busiest first.

Show top 20 destinations

Popular routes with a stopover

Aside from the non-stop routes above, reaching Ontario from these popular places requires a connection:

Burbank (BUR)United States
New York (LGA)United States
Buffalo (BUF)United States
San Antonio (SAT)United States
Boston (BOS)United States
Milwaukee (MKE)United States
Colorado Springs (COS)United States
Oklahoma City (OKC)United States
Washington (DCA)United States
Baltimore (BWI)United States

Fresno (FAT)United States
Columbus (CMH)United States
Kansas City (MCI)United States
Wichita (ICT)United States
Omaha (OMA)United States
Louisville (SDF)United States
Reno (RNO)United States
Los Angeles (LAX)United States
Spokane (GEG)United States
Birmingham (BHM)United States

Show top 20 destinations

Information on Points & Miles

Distance matters when booking with points and miles: several loyalty programs price award flights in distance bands. Each list below adds the non-stop routes to Ontario not already shown in a shorter great-circle distance band.

Which places within 500 miles can reach Ontario non-stop?

Which places within 1,000 miles can reach Ontario non-stop?

Which places within 2,000 miles can reach Ontario non-stop?

Show all 12 destinations

Which places within 3,000 miles can reach Ontario non-stop?

Which places within 7,000 miles can reach Ontario non-stop?

Taipei (TPE)6,818 mi

Long-haul flights to Ontario

Long-haul routes are usually flown by a wide-body aircraft, and the cabin you book matters more the longer you are in it — which is also where award points go furthest. These are the non-stop routes to Ontario of 3,000 miles or more.

Taipei (TPE)6,818 mi

Flights to Ontario (ONT) by country

Ontario has nonstop connections with 4 airports in Mexico: Guadalajara (GDL), Morelia (MLM), San Jose del Cabo (SJD), and Silao (BJX). These routes are served by Frontier Airlines and Volaris.
Mexico4 destinations
Ontario has a nonstop connection with Santa Clara (SAL) in El Salvador, served by Avianca (Star Alliance).
El Salvador1 destination
Ontario has a nonstop connection with Taipei (TPE) in Taiwan, served by American Airlines (Oneworld), China Airlines (SkyTeam), and Starlux Airlines.
Taiwan1 destination

Seasonal and upcoming routes to Ontario

Not flying yet

Austin (AUS)Oct 4, 2026 – Jun 2, 2027
San Jose del Cabo (SJD)Oct 4, 2026 – Nov 30, 2026
Charlotte (CLT)Starts Oct 5, 2026

Ending before the rest

Nashville (BNA)Through Jun 2, 2027
Dallas (DAL)Through Jun 2, 2027
Houston (HOU)Through Jun 2, 2027
Las Vegas (LAS)Through Jun 2, 2027
Chicago (MDW)Through Jun 2, 2027
Oakland (OAK)Through Jun 2, 2027
San Jose (SJC)Through Jun 2, 2027
Sacramento (SMF)Through Jun 2, 2027

Silao (BJX)Through Jul 30, 2027
Guadalajara (GDL)Through Jul 31, 2027
Morelia (MLM)Through Jul 31, 2027
Santa Rosa (STS)Through Aug 9, 2027

Show all 12 routes

The other 15 routes are scheduled across the whole window the feed publishes.

Airline alliances to Ontario

Oneworld10 destinations
Star Alliance8 destinations
SkyTeam4 destinations

Award programs that reach Ontario

How many of these places each program's airlines fly to Ontario from. Reach, not award availability — that is a live fare question this schedule feed cannot answer.

Frontier Miles12 destinations
Alaska Atmos Rewards10 destinations
American Airlines10 destinations
British Airways10 destinations
Cathay Pacific10 destinations
Finnair Plus10 destinations
Iberia Plus10 destinations
Qantas Frequent Flyer10 destinations
Qatar Airways10 destinations
Aeroplan8 destinations

All Nippon Airways8 destinations
EVA Air Infinity MileageLands8 destinations
LifeMiles8 destinations
Lufthansa Miles & More8 destinations
Singapore KrisFlyer8 destinations
TAP Miles&Go8 destinations
Turkish Miles&Smiles8 destinations
United MileagePlus8 destinations
Club Premier4 destinations
Delta SkyMiles4 destinations

Show top 20 programs

Intercontinental flights to Ontario

Non-stop flights to Ontario from Asia

American Airlines (Oneworld) links Ontario nonstop with Taipei (TPE).

China Airlines (SkyTeam) links Ontario nonstop with Taipei (TPE).

Starlux Airlines links Ontario nonstop with Taipei (TPE).

Domestic flights to Ontario

Show top 20 destinations

Alternative airports near Ontario

Upland (CCB)6 mi / 10 km
Fullerton (FUL)25 mi / 40 km
Santa Ana (SNA)30 mi / 48 km
Long Beach (LGB)36 mi / 58 km
Apple Valley (APV)43 mi / 69 km

Frequently asked questions

What is the official name of airport ONT?

The airport's official name is Ontario International Airport. On Roame and most flight schedules, you will find it under the code ONT.

What is the airport code for Ontario International Airport?

The IATA airport code for Ontario International Airport is ONT. Enter ONT in Flightmap whenever you want to use this exact airport.

Where is Ontario International Airport (ONT)?

Ontario International Airport serves Ontario, United States. Flightmap uses the airport's exact coordinates, so nearby airports and route distances stay tied to ONT, not just the broader city.

How can I explore flights to Ontario (ONT)?

Open the map with Anywhere as your starting point and ONT as the destination. Each result keeps the route pointed toward Ontario, and you can narrow it by airline, alliance, aircraft, mileage program, and nonstop service.

Does Flightmap show direct and connecting flights to Ontario?

Yes. Flightmap separates nonstop routes from destinations that need a connection, and the Nonstop only control lets you focus on direct service to ONT.

Can I look for award flights to Ontario (ONT)?

Yes. When Roame has observed award availability for a route to ONT, signed-in members can see the lowest points price by cabin and the related carrier fees, then continue to the full award search.