Flights from Baltimore to Ontario

Our cheapest offers for flights from Baltimore to Ontario

Here you can compare cheap flights from Baltimore (BWI) to Ontario (ONT) for one-way or return trips. The following offers were searched for and found on idealo during the last few days. Or start your own flight search to Ontario. Prices and availability may change at any time.

Outbound Return Airlines Shop Baggage Price
Best option
Baltimore
Ontario
Outbound
03/02/25
1 Stopover (DFW)
AA1403, AA2635
10h 17min
Return
03/07/25
1 Stopover (SEA)
AS1091, AS0379
08h 56min
American Airlines ?
$474
Baltimore
Ontario
Outbound
03/02/25
1 Stopover (CLT)
AA1495, AA2276
09h 28min
Return
03/07/25
1 Stopover (CLT)
AA2776, AA1227
06h 21min
American Airlines ?
$605
Baltimore
Ontario
Outbound
03/02/25
1 Stopover (DFW)
AA1213, AA0711
07h 58min
Return
03/07/25
1 Stopover (DFW)
AA2277, AA2314
09h 39min
American Airlines ?
$613
Baltimore
Ontario
Outbound
03/02/25
1 Stopover (DEN)
UA2412, UA0430
07h 39min
Return
03/07/25
2 Stopovers (DEN, ORD)
UA1575, UA1727, UA1583
12h 09min
United Airlines ?
$769
Prices based on recent searches, subject to last-minute changes
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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 $ 473,10
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
Alternative flights to Ontario
Flight destinations with a similar price
Flight destinations with a similar price