Routes from Ontario (ONT)
29 nonstop destinations from Ontario (ONT) on 11 airlines: 24 in United States and 5 abroad. The most routes: Southwest Airlines (12), Frontier Airlines (6) and Alaska Airlines (5). Longest: Taipei (TPE), about 6,818 miles. Routes checked October 27, 2026.
- Nonstop destinations
- 29
- Airlines
- 11
- Countries
- 4
- Longest route
- TPE 6,818 mi
- Atlanta ATLDelta Air Lines
- Austin AUSSouthwest Airlines
- Boise BOIAlaska Airlines
- Charlotte CLTAmerican Airlines
- Chicago MDWSouthwest Airlines
- Chicago ORDUnited Airlines
- Dallas DFWAmerican Airlines, Frontier AirlinesSeasonal
- Dallas DALSouthwest Airlines
- Denver DENFrontier Airlines, Southwest Airlines, United Airlines
- Guadalajara GDLVolaris
- Honolulu HNLAlaska Airlines, Southwest Airlines
- Houston IAHFrontier Airlines, United Airlines
- Houston HOUSouthwest Airlines
- Las Vegas LASFrontier Airlines, Southwest Airlines
- Morelia MLMVolaris
- Nashville BNASouthwest Airlines
- New York JFKJetBlue Airways
- Oakland OAKSouthwest Airlines
- Phoenix PHXAmerican Airlines, Southwest Airlines
- Portland PDXAlaska Airlines
- Sacramento SMFSouthwest Airlines
- Salt Lake City SLCDelta Air Lines
- San Francisco SFOFrontier Airlines, United Airlines
- San Jose SJCSouthwest Airlines
- San Salvador SALAvianca
- Santa Rosa STSAlaska Airlines
- Seattle SEAAlaska Airlines, Delta Air Lines, Frontier Airlines
- Silao BJXVolaris
- Taipei TPEChina Airlines, Starlux Airlines
Route sources (including Wikipedia fallback): Alaska Airlines ↗ (checked Oct 27, 2026), Alaska Airlines ↗ (checked Oct 27, 2026), American Airlines ↗ (checked Oct 27, 2026), American Airlines ↗ (checked Oct 27, 2026) and 8 more.
Airlines flying nonstop from ONT
- Southwest Airlines · 12 destinationsSouthwest Airlines route mapSeat maps
- Frontier Airlines · 6 destinationsFrontier Airlines route mapSeat maps
- Alaska Airlines · 5 destinationsAlaska Airlines route mapSeat maps
- United Airlines · 4 destinationsUnited Airlines route mapSeat maps
- American Airlines · 3 destinationsAmerican Airlines route mapSeat maps
- Delta Air Lines · 3 destinationsDelta Air Lines route mapSeat maps
- Volaris · 3 destinationsVolaris route map
- Avianca · 1 destinationAvianca route map
- China Airlines · 1 destinationChina Airlines route mapSeat maps
- JetBlue Airways · 1 destinationJetBlue Airways route map
- Starlux Airlines · 1 destinationStarlux Airlines route mapSeat maps
Nonstop from ONT, by country
United States · 24
Atlanta ATL, Austin AUS, Boise BOI, Charlotte CLT, Chicago MDW, Chicago ORD, Dallas DFW, Dallas DAL, Denver DEN, Honolulu HNL, Houston IAH, Houston HOU, Las Vegas LAS, Nashville BNA, New York JFK, Oakland OAK, Phoenix PHX, Portland PDX, Sacramento SMF, Salt Lake City SLC, San Francisco SFO, San Jose SJC, Santa Rosa STS, Seattle SEA
Mexico · 3
Guadalajara GDL, Morelia MLM, Silao BJX
El Salvador · 1
San Salvador SAL
Taiwan · 1
Taipei TPE
Quick answers
How many nonstop destinations are there from ONT?
29 nonstop destinations in 4 countries, counting the routes for Southwest Airlines, Frontier Airlines, Alaska Airlines, United Airlines, American Airlines, Delta Air Lines, Volaris, Avianca, China Airlines, JetBlue Airways and Starlux Airlines in the linked official sources and Wikipedia fallbacks (checked October 27, 2026). Airlines whose route maps we haven't loaded aren't counted yet.
Which airlines fly nonstop from ONT?
Southwest Airlines (12 routes), Frontier Airlines (6 routes), Alaska Airlines (5 routes), United Airlines (4 routes), American Airlines (3 routes), Delta Air Lines (3 routes), Volaris (3 routes), Avianca (1 route), China Airlines (1 route), JetBlue Airways (1 route) and Starlux Airlines (1 route).
What is the longest nonstop flight from ONT?
China Airlines to Taipei (TPE), about 6,818 miles great-circle.
Where can you fly nonstop internationally from ONT?
Guadalajara (GDL), Morelia (MLM), San Salvador (SAL), Silao (BJX) and Taipei (TPE).
What new routes are starting from ONT?
None announced by the airlines we track right now.
Are there airport lounges at ONT?
Yes: 2 open lounges at Ontario (ONT), compared on Lounge Frog's ONT lounge guide.