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Home / Baltimore — Ontario

Cheap flights Baltimore — Ontario

Baltimore (BWI, US) Ontario (ONT, US)
from $177 3 673 km ~4h 49m 3 flights found 2 airlines cheapest on Friday
Reverse route
How many travellers?
Adults
12+ years
1
Children
2–11 years
0
Infants
under 2
0
Choose your departure date
Cheapest: $177 on 01.01.2027
Prices shown are from searches by other travellers over the last 24 hours. Missing a date? Click any day — we'll find tickets anyway.
November 2026
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December 2026
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January 2027
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Prices found for 2 of 90 days. Prices update as more travellers search. Click any date to search live.
Depart
—
Return
—
Cheapest flights found
01 Jan 2027, Fri
Frontier Airlines F9 3067
00:12
BWI Baltimore/Wash International Thurgood Marshall Airport
08:33
ONT Ontario International Airport
8h 21m 2 stops
Gotogate
$177
View this ticket
28 Jan 2027, Thu
Alaska Airlines AS 379
02:20
BWI Baltimore/Wash International Thurgood Marshall Airport
10:59
ONT Ontario International Airport
8h 39m 1 stop
Mytrip.com
$198
View this ticket
Route characteristics
Distance
3 673 km
Flight time
4h 49m
Time difference
-3h
Minimum price
from $177 (01.01.2027)
Average price
$188
Maximum price
$198
Cheapest day
Friday
Departure airports (1)
BWI Baltimore/Wash International Thurgood Marshall Airport
Arrival airports (1)
ONT Ontario International Airport
Airlines (2)
F9 Frontier Airlines AS Alaska Airlines
Agencies (3)
Gotogate Mytrip.com Flightnetwork
Prices by day of week
Thursday
$198
avg $198
Friday
$177
avg $177
Cheapest
Airlines — cheapest prices 2
Frontier Airlines
Frontier Airlines
Low-cost 2 flights · 2 days
$177
Alaska Airlines
Alaska Airlines
1 flights · 1 days
$198
Where to buy tickets 3
Gotogate
1 tickets · 1 days
from $177
Mytrip.com
1 tickets · 1 days
from $198
Flightnetwork
1 tickets · 1 days
from $209
Airports

From — Baltimore (1)

  • BWI Baltimore/Wash International Thurgood Marshall Airport

To — Ontario (1)

  • ONT Ontario International Airport
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Frequently asked questions about the route Baltimore — Ontario
How long is the flight from Baltimore to Ontario?
Approximate flight time — 4h 49m. This is an average for a direct flight. With connections, the time may be longer.
What is the distance from Baltimore to Ontario?
The straight-line distance — 3 673 km.
How much do flights from Baltimore to Ontario cost?
The minimum price over 3 months — from $177 on 01.01.2027.
What is the average ticket price?
The average price — $188. Range: $177 — $198.
What is the time difference between Baltimore and Ontario?
The difference — -3h.
From which airports does Baltimore operate flights?
From Baltimore: BWI (Baltimore/Wash International Thurgood Marshall Airport).
To which airports in Ontario do flights arrive?
To Ontario: ONT (Ontario International Airport).
Which airlines fly this route?
This route is served by 2 airlines: Frontier Airlines, Alaska Airlines.
Which day of the week is cheapest?
The cheapest day of the week — Friday.
When is the best time to buy tickets?
Optimal — 1–3 months before departure. Check the calendar above — it shows the best dates.
How do I book flights?
Click "View this ticket" on any flight card — you'll be redirected to the booking page with this specific ticket pre-selected.
About the route Baltimore — Ontario

Flights Baltimore — Ontario is a popular route. The straight-line distance is 3 673 km. Flight time 4h 49m. Time difference -3h.

From Baltimore (BWI) flights depart from 1 airport: BWI. To Ontario (ONT) — 1 arrival airport: ONT.

2 airlines operate on this route: Frontier Airlines, Alaska Airlines.

The minimum price for the next 3 months — from $177 (01.01.2027). The cheapest dates are highlighted in the calendar above.

The average ticket price — $188, ranging from $177 to $198. Book 1–3 months in advance to get the best deals.

Cheapest day to fly — Friday.

Other destinations in United States from Baltimore
Jacksonville
US
Oklahoma City
US
Kahului
US
Oakland
US
Myrtle Beach
US
Montrose
US
Norfolk
US
New York
US

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