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Home / Ontario — Baltimore

Cheap flights Ontario — Baltimore

Ontario (ONT, US) Baltimore (BWI, US)
from $158 3 673 km ~4h 49m 4 flights found 2 airlines cheapest on Thursday
Reverse route
How many travellers?
Adults
12+ years
1
Children
2–11 years
0
Infants
under 2
0
Choose your departure date
Cheapest: $158 on 10.12.2026
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
Mo
Tu
We
Th
Fr
Sa
Su
December 2026
Mo
Tu
We
Th
Fr
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Su
January 2027
Mo
Tu
We
Th
Fr
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Prices found for 3 of 90 days. Prices update as more travellers search. Click any date to search live.
Depart
—
Return
—
Cheapest flights found
10 Dec 2026, Thu
Frontier Airlines F9 1500
17:00
ONT Ontario International Airport
01:45
BWI Baltimore/Wash International Thurgood Marshall Airport
8h 45m 3 stops
Mytrip.com
$158
View this ticket
14 Nov 2026, Sat
Frontier Airlines F9 1406
07:03
ONT Ontario International Airport
13:12
BWI Baltimore/Wash International Thurgood Marshall Airport
6h 9m 1 stop
Farera
$220
View this ticket
14 Nov 2026, Sat
Frontier Airlines F9 1262
22:52
ONT Ontario International Airport
06:01
BWI Baltimore/Wash International Thurgood Marshall Airport
7h 9m 2 stops
Kupi.com
$288
View this ticket
03 Jan 2027, Sun
United Airlines UA 4699
05:27
ONT Ontario International Airport
12:33
BWI Baltimore/Wash International Thurgood Marshall Airport
7h 6m 1 stop
City.Travel
$404
View this ticket
Route characteristics
Distance
3 673 km
Flight time
4h 49m
Time difference
+3h
Minimum price
from $158 (10.12.2026)
Average price
$261
Maximum price
$404
Cheapest day
Thursday
Departure airports (1)
ONT Ontario International Airport
Arrival airports (1)
BWI Baltimore/Wash International Thurgood Marshall Airport
Airlines (2)
F9 Frontier Airlines UA United Airlines
Agencies (4)
Mytrip.com Farera Kupi.com City.Travel
Prices by day of week
Thursday
$158
avg $158
Cheapest
Saturday
$220
avg $254
Sunday
$404
avg $404
Price trend by month
November 2026
from $220
avg $254
2 flights
December 2026
from $158
avg $158
1 flights
January 2027
from $404
avg $404
1 flights
Airlines — cheapest prices 2
Frontier Airlines
Frontier Airlines
Low-cost 3 flights · 2 days
$158
United Airlines
United Airlines
1 flights · 1 days
$404
Where to buy tickets 4
Mytrip.com
1 tickets · 1 days
from $158
Farera
1 tickets · 1 days
from $220
Kupi.com
1 tickets · 1 days
from $288
City.Travel
1 tickets · 1 days
from $404
Airports

From — Ontario (1)

  • ONT Ontario International Airport

To — Baltimore (1)

  • BWI Baltimore/Wash International Thurgood Marshall Airport
Other destinations from Ontario
Albuquerque
US
Accra
GH
Nantucket
US
Adelaide
AU
San Andres Island
CO
Malaga
ES · Hub
Auckland
NZ
Almaty
KZ
Alicante
ES
Ahmedabad
IN
Amsterdam
NL · Hub
Anchorage
US
Frequently asked questions about the route Ontario — Baltimore
How long is the flight from Ontario to Baltimore?
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 Ontario to Baltimore?
The straight-line distance — 3 673 km.
How much do flights from Ontario to Baltimore cost?
The minimum price over 3 months — from $158 on 10.12.2026.
What is the average ticket price?
The average price — $261. Range: $158 — $404.
What is the time difference between Ontario and Baltimore?
The difference — +3h.
From which airports does Ontario operate flights?
From Ontario: ONT (Ontario International Airport).
To which airports in Baltimore do flights arrive?
To Baltimore: BWI (Baltimore/Wash International Thurgood Marshall Airport).
Which airlines fly this route?
This route is served by 2 airlines: Frontier Airlines, United Airlines.
Which day of the week is cheapest?
The cheapest day of the week — Thursday.
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 Ontario — Baltimore

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

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

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

The minimum price for the next 3 months — from $158 (10.12.2026). The cheapest dates are highlighted in the calendar above.

The average ticket price — $261, ranging from $158 to $404. Book 1–3 months in advance to get the best deals.

Cheapest day to fly — Thursday.

Other destinations in United States from Ontario
Phoenix
US
Omaha
US
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US
Everett
US
West Palm Beach
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Portland
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Philadelphia
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Providence
US

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