Outbound | Return | Airlines | Shop | Baggage | Price | ||
---|---|---|---|---|---|---|---|
Baltimore Ontario | Outbound 11/09/25 2 Stopovers (ATL, SFO) F92633, F91949, F92678 20h 50min | Return 12/07/25 2 Stopovers (IAH, ATL) F93132, F91404, F94712 30h 28min | | ![]() | ? | $399 | |
Best option Baltimore Ontario | Outbound 11/09/25 1 Stopover (ORD) UA0590, UA2738 08h 19min | Return 12/07/25 1 Stopover (DEN) UA1417, UA0709 06h 26min | | ![]() | $596 | ||
Baltimore Ontario | Outbound 11/09/25 2 Stopovers (DFW, SEA) F91475, AS0365, AS0664 20h 18min | Return 12/07/25 1 Stopover (SFO) UA1341, UA0737 09h 38min | | ![]() | ? | $457 | |
Baltimore Ontario | Outbound 11/09/25 1 Stopover (DEN) UA0540, UA0430 23h 21min | Return 12/07/25 1 Stopover (DEN) UA2446, UA0709 14h 55min | | ![]() | ? | $473 | |
Baltimore Ontario | Outbound 11/09/25 1 Stopover (SEA) HA4841, HA6834 10h 39min | Return 12/07/25 1 Stopover (DFW) AA2198, AA2251 07h 08min | | ![]() | ? | $671 |
Airline
- United Airlines
- Frontier Airlines
- Hawaiian Airlines
Tips and tricks to help you find cheap flights from Baltimore to Ontario
Favorite airline: Frontier Airlines
40 % of flights from Baltimore to Ontario are booked with Frontier Airlines.

Frontier Airlines
40 %

Delta
20 %

United Airlines
20 %
Favourite connection: via Denver
Stopover flights on this route are especially popular via Denver, making up 86 % of bookings.
Route
bookings
1 stopover Denver International Airport, CO
12h 41min, from $323
86 %
1 stopover Seattle-Tacoma International Airport, WA
19h 54min, from $459
14 %
Important flight information
Flight information: Baltimore - Ontario
Roundtrip from | $398.33 |
---|---|
Flight duration | min. 07:45 |
Return flight duration | min. 05:35 |
Distance | 3670 km |
Flights per week | 6 |
Departure airport | Airport Baltimore-Washington International-Thurgood Marshall Airport, MD (BWI) |
Arrival airport | Airport Ontario-CA (ONT) |
Destination country | Flights to United States |
Alternative routes to United States
- Flight Baltimore - Atlanta from $86
- Flight Baltimore - Miami from $130
- Flight Baltimore - Las Vegas from $71
- Flight Baltimore - Orlando from $90
- Flight Baltimore - Fort Lauderdale from $123
- Flight Baltimore - San Francisco from $289
- Flight Baltimore - Fort Myers from $175
- Flight Baltimore - Tampa from $110
- Flight Baltimore - Boston from $238
- Flight Baltimore - Chicago O'Hare from $100
Alternative flights to Ontario
- Flight San Francisco - Ontario from $75
- Flight Dallas - Ontario from $139
- Flight Sacramento - Ontario from $285
Flight destinations with a similar price
- Flight Ontario - Frankfurt from $698
- Flight Ontario - Nuremberg from $881
Flight destinations with a similar price
- Flight Baltimore - Honolulu from $430
- Flight Baltimore - Tucson from $375
- Flight Baltimore - Santo Domingo from $382
- Flight Baltimore - Amsterdam from $434
- Flight Baltimore - Havana from $407
- Flight Baltimore - South Bend from $366