Baltimore

Cheap flights from Ontario to Baltimore (ONT - BWI)

The best prices from Ontario to Baltimore/Washington are usually found in August or January, booked 23 days in advance, depart on a Wednesday or Saturday and return on a Tuesday

How to find the cheapest flight from Ontario to Baltimore

All the information you need to plan the best ONT to BWI flight in 2022: compare Ontario to Baltimore flight prices with the expected peak season, weather and rainfall in Baltimore.

ONT - BWI

Price

$235 - $419

BWI

Temperature

33.8 - 77 °F

BWI

Precipitation

2.9 - 4.1 inches

Popular in

December

High demand for flights, 27% potential price rise

Cheapest in

August

Best time to find cheap flights, 23% potential price drop

Average price

$252

Average for round-trip flights in January 2022

Round-trip from

$235

From Ontario to Baltimore/Washington

What is the cheapest day to fly round-trip from Ontario to Baltimore?

Saturday flights are found to be more expensive to fly from Ontario to Baltimore. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Baltimore.

How far in advance should I book a flight from Ontario to Baltimore?

To save on the cost of your flight from Ontario to Baltimore, book at least 23 days before your planned departure. Booking around this time can save you about 10% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $289 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $317.

What is the cheapest month to fly from Ontario to Baltimore?

Flights from Ontario to Baltimore lean towards being more expensive in December. Prices are generally better when you fly from Ontario to Baltimore in August, with the cheapest ticket starting at $128.

When is the cheapest time to fly from Ontario to Baltimore (ONT - BWI)?

One of the essential ways to save on airfare from Ontario to Baltimore is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight in the afternoon could potentially save you up to 31% on airfare.

Cheap flights from Ontario to Baltimore in January, February 2022

The best prices found for ONT to BWI flights for January, February
Feb 3 - Feb 5
ONT

Ontario

BWI

Baltimore/Washington

2 stops

10h 44m
BWI

Baltimore/Washington

ONT

Ontario

2 stops

19h 38m
$149

Frontier

View Deal

Deal found 1/19/22

Feb 3 - Feb 10
ONT

Ontario

BWI

Baltimore/Washington

1 stop

13h 56m
BWI

Baltimore/Washington

ONT

Ontario

2 stops

14h 25m
$153

Frontier

View Deal

Deal found 1/20/22

Feb 3 - Feb 10
ONT

Ontario

BWI

Baltimore/Washington

2 stops

10h 44m
BWI

Baltimore/Washington

ONT

Ontario

2 stops

14h 25m
$155

Frontier

View Deal

Deal found 1/20/22

Ontario to Baltimore 2022 flight deals

Cheap flights to Baltimore from Ontario found for this year
Feb 3 - Feb 5
ONT

Ontario

BWI

Baltimore/Washington

2 stops

10h 44m
BWI

Baltimore/Washington

ONT

Ontario

2 stops

19h 38m
$149

Frontier

View Deal

Deal found 1/19/22

Mar 30 - Apr 6
ONT

Ontario

BWI

Baltimore/Washington

1 stop

8h 44m
BWI

Baltimore/Washington

ONT

Ontario

1 stop

19h 54m
$151

Frontier

View Deal

Deal found 1/20/22

Feb 3 - Feb 10
ONT

Ontario

BWI

Baltimore/Washington

1 stop

13h 56m
BWI

Baltimore/Washington

ONT

Ontario

2 stops

14h 25m
$153

Frontier

View Deal

Deal found 1/20/22

Last minute flights from Ontario to Baltimore

Late deals on return flights to Baltimore from Ontario, departing today and this week
Jan 30 - Feb 23
ONT

Ontario

BWI

Baltimore/Washington

2 stops

11h 41m
BWI

Baltimore/Washington

ONT

Ontario

1 stop

9h 36m
$195

Multiple Airlines

View Deal

Deal found 1/19/22

Jan 30 - Feb 22
ONT

Ontario

BWI

Baltimore/Washington

2 stops

11h 41m
BWI

Baltimore/Washington

ONT

Ontario

1 stop

9h 38m
$198

Multiple Airlines

View Deal

Deal found 1/19/22

Jan 30 - Feb 21
ONT

Ontario

BWI

Baltimore/Washington

2 stops

11h 41m
BWI

Baltimore/Washington

ONT

Ontario

1 stop

9h 33m
$210

Multiple Airlines

View Deal

Deal found 1/19/22

Related info for your journey

Useful info, stats and facts about Ontario to Baltimore flights.

Which airlines flying from Ontario to Baltimore/Washington have flexible cancellations due to COVID-19?

American Airlines, Frontier, and United Airlines are some of the carriers that may have flexible cancellation policies. You can use our site to filter for other airlines that may also have this kind of flexibility.

Can I find flights from Ontario to Baltimore for under $200 on Cheapflights?

Yes, there are multiple flights from Ontario to Baltimore for under $200. The cheapest flight booked recently is on Frontier for just $149, but on average you can expect to pay $203.

Are there last-minute flights available from Ontario to Baltimore for under $200?

There are currently 20+ open flights from Ontario to Baltimore within the next 7 days for less than $200.

How popular is this Ontario to Baltimore flight route?

This flight path from Ontario to Baltimore/Washington was viewed by 22 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

What is the cheapest airline to fly from Ontario to Baltimore round-trip?

Our cheapest airline available from Ontario to Baltimore is Frontier. Our recent data shows that you can find tickets from as low as $149 on this airline. This flight start at 51% lower than the current average price 3 months from now.

What are the most popular airlines that fly from Ontario to Baltimore?

Major Airline, American Airlines and Alaska Airlines are the most popular airlines when flying from Ontario to Baltimore.

What are the cheapest flights from Ontario to Baltimore?

Looking for the cheapest flight from Ontario to Baltimore? While on average our users pay $634, our data indicates the cheapest price to be $138. The most popular route (Ontario - Baltimore/Washington), is priced around $157.

Can I fly to Baltimore/Washington from Ontario right now?

Information is based on travel restrictions for travel to Baltimore/Washington within the United States

Most visitors from Ontario need to provide a negative COVID-19 test result and/or quarantine to enter Baltimore/Washington.

COVID-19 testing requirements
Visitors from Ontario must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 24 hours before departing to Baltimore/Washington.

Quarantine requirements
Visitors from Ontario are not required to quarantine after entering Baltimore/Washington.

Can I fly back to Ontario from Baltimore/Washington?

Returning to Ontario from Baltimore/Washington

COVID-19 testing requirements
Visitors from Baltimore/Washington must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 24 hours before departing to Ontario.

Quarantine requirements
Visitors from Baltimore/Washington are not required to quarantine after entering Ontario.

Alternative routes for Ontario to Baltimore

See prices for flight routes from nearby airports that may be better suited for you.

Top 6 airlines flying from Ontario to Baltimore

The chart below displays the airlines Cheapflights users traveling from Ontario to Baltimore choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
AirlineCheapestAverageFlexibilityOn-timeCOVID-19 safety
United Airlines
Cheapest$117
Average$369
FlexibilityNo cancel fee
On-time69%
COVID-19 safety
Frontier
Cheapest$119
Average$277
FlexibilityNo cancel fee
On-time62%
COVID-19 safety
Delta
Cheapest$132
Average$383
FlexibilityNo cancel fee
On-timeN/A
COVID-19 safety
American Airlines
Cheapest$140
Average$461
FlexibilityNo cancel fee
On-time71%
COVID-19 safety
Alaska Airlines
Cheapest$140
Average$320
FlexibilityNo cancel fee
On-time75%
COVID-19 safety
Spirit Airlines
Cheapest$175
Average$272
FlexibilityNo cancel fee
On-time65%
COVID-19 safety

Hourly flight availability from Ontario to Baltimore

See what time of day planes typically take off from Ontario to Baltimore
63%of flight departuresEarly morningMidnight to 6 am
37%of flight departuresMorning6 am to noon
0%of flight departuresAfternoonNoon to 6 pm
0%of flight departuresEvening6 pm to midnight
Midnight
6 AM
Noon
6 PM