SEAYear-round
Seattle–Tacoma (SEA)
Alaska · SkyWest · Frontier
8× daily956 mi$100–$225
ONTInternational
Nonstop flights from Ontario (ONT)
Ontario International Airport · Ontario, CA · large airport
ONT has 27 nonstop destinations, including Seattle, Denver and Phoenix. Every route below is a direct flight from Ontario, busiest first.
27nonstop routes
Yesscheduled service
34.0560° N, 117.6010° W
Direct flights from Ontario (ONT)
27 nonstop destinations — busiest first, with departures per week
Flight counts are departures actually operated in July 2026, and fares are the middle half of one-way tickets sold in the Q2 2025 survey, both from US DOT filings. Routes without a published fare sample show no price.
DENYear-round
Denver (DEN)
Southwest · United · Frontier
8× daily819 mi$75–$200
PHXYear-round
Phoenix Sky Harbor (PHX)
Southwest · American
7× daily325 mi$100–$275
DFWYear-round
Dallas Fort Worth (DFW)
American · Frontier
7× daily1,188 mi$100–$275
LASYear-round
Harry Reid (LAS)
Southwest · Frontier
7× daily197 mi$50–$175
SMFYear-round
Sacramento (SMF)
Southwest
6× daily390 mi$100–$300
SFOYear-round
San Francisco (SFO)
United · SkyWest · Frontier
4× daily363 mi$25–$150
SJCYear-round
Norman Y. Mineta San Jose (SJC)
Southwest
4× daily333 mi$75–$250
OAKYear-round
Oakland San Francisco Bay (OAK)
Southwest
4× daily362 mi$100–$225
SLCYear-round
Salt Lake City (SLC)
Delta · SkyWest · Frontier
4× daily558 mi$150–$325
ATLYear-round
Hartsfield Jackson Atlanta (ATL)
Delta
daily1,900 mi$300–$550
HNLYear-round
Daniel K. Inouye (HNL)
Alaska · Southwest
daily2,603 mi$225–$425
IAHYear-round
George Bush Intercontinental (IAH)
United · Frontier
daily1,334 mi$75–$225
PDXYear-round
Portland (PDX)
Alaska
daily838 mi$100–$225
AUSYear-round
Austin Bergstrom (AUS)
Southwest
daily1,196 mi$125–$250
BNAYear-round
Nashville (BNA)
Southwest
daily1,751 mi$225–$350
BWISummer only
Baltimore/Washington International Thurgood Marshall (BWI)
Southwest
daily2,283 mi$175–$275
DALYear-round
Dallas Love Field (DAL)
Southwest
daily1,200 mi$150–$250
HOUYear-round
William P. Hobby (HOU)
Southwest
daily1,345 mi$125–$250
MDWYear-round
Chicago Midway (MDW)
Southwest
daily1,706 mi$200–$300
STSSummer only
Charles M. Schulz Sonoma County (STS)
SkyWest
daily423 mi
CLTYear-round
Charlotte Douglas (CLT)
American
daily2,078 mi$175–$300
JFKSummer only
John F. Kennedy (JFK)
JetBlue
daily2,429 mi$150–$275
ORDSummer only
Chicago O'Hare (ORD)
United
daily1,700 mi$125–$275
GDLYear-round
Guadalajara
Volaris · Viva Aerobus
MEXYear-round
Mexico City
Volaris
TPEYear-round
Taipei
China Airlines
Other airports near Ontario
Closest CA airports with scheduled service
SBD
San Bernardino
San Bernardino International Airport
CAScheduled
No nonstop routes published yet
SNA
Santa Ana
John Wayne Orange County International Airport
CAScheduled37 routes
LGB
Long Beach
Long Beach International Airport
CAScheduled15 routes
HHR
Hawthorne
Jack Northrop Field Hawthorne Municipal Airport
CAScheduled
No nonstop routes published yet
BUR
Burbank
Hollywood Burbank/Bob Hope Airport
CAScheduled30 routes
LAX
Los Angeles
Los Angeles International Airport
CAScheduled136 routes