| Outbound | Return | Airlines | Shop | Baggage | Price | ||
|---|---|---|---|---|---|---|---|
| Baltimore Ontario | Outbound 07/26/26 1 Stopover (PDX) AS1369, AS1571 19h 36min | Return 08/05/26 1 Stopover (SEA) AS0575, AS0781 09h 52min |  Alaska Airlines |  | ? | $600 | |
| Best option Baltimore Ontario | Outbound 07/26/26 1 Stopover (DFW) AA1626, AA1534 07h 46min | Return 08/05/26 1 Stopover (SEA) AS0575, AS0781 09h 52min |  American Airlines |  | ? | $622 | |
| Baltimore Ontario | Outbound 07/26/26 2 Stopovers (ATL, IAH) F91079, F91403, F93131 41h 09min | Return 08/05/26 2 Stopovers (DEN, MSP) F92908, SY0658, SY0193 19h 26min |  Frontier Airlines |  | ? | $614 | |
| Baltimore Ontario | Outbound 06/25/26 1 Stopover (SFO) UA2192, UA2661 08h 42min | Return 06/30/26 1 Stopover (DEN) UA2446, UA1362 07h 17min |  United Airlines | | $656 | ||
| Baltimore Ontario | Outbound 07/26/26 1 Stopover (DFW) AA1403, AA2242 07h 41min | Return 08/05/26 2 Stopovers (PHX, CLT) AA1666, AA2136, AA1216 11h 59min | American Airlines |  | ? | $666 | |
| Baltimore Ontario | Outbound 06/25/26 2 Stopovers (ATL, DEN) F92633, F93293, F91261 20h 49min | Return 06/30/26 3 Stopovers (BOI, SEA, MSP) AS2026, AS2352, SY0286, SY0193 40h 20min | Frontier Airlines | | ? | $767 | |
| Baltimore Ontario | Outbound 06/25/26 1 Stopover (DFW) AA1626, AA1534 07h 49min | Return 06/30/26 2 Stopovers (PHX, CLT) AA0864, AA0849, AA1635 11h 14min | American Airlines | | ? | $773 |
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 %