Flights from Ontario Airport ONT to Baltimore Airport BWI
We've found the cheapest flights to Baltimore
One-way from £186.58
Southwest Airlines is the only airliner who offers flights between Ontario International and Baltimore/Washington International Thurgood Marshall. The official airport code for Ontario International is ONT and for Baltimore/Washington International Thurgood Marshall it is BWI.
The exact cost of the flight we vary quite significantly base on the dates you travel, the time of day you will depart and how long in advance you pre book the flights. If you know the dates you wish to travel then book you flights as soon as you can. The earlier you book your lights the cheaper they will be. You can get saving of up to 50% of you book 2 or 3 months in advance! Flight to Baltimore/Washington International Thurgood Marshall will get more expensive the nearer you get the departure date, so it’s advisable to book in advance if it is possible.
On arriving at Baltimore/Washington International Thurgood Marshall please note the time difference, the time zone at Baltimore/Washington International Thurgood Marshall is 5.0 GMT compared to 8.0 GMT at Ontario International.
If you are planning a trip to Baltimore/Washington International Thurgood Marshall Airport (BWI) from Ontario International Airport you can pre-arrange short or long term parking at Ontario International Airport (ONT).
If you are renting a car at Baltimore/Washington International Thurgood Marshall Airport (BWI) it is recommended to fill up the fuel tank before returning the vehicle at the nearest fuel station to Baltimore/Washington International Thurgood Marshall Airport (BWI) in order to avoid incurring additional costs. *Please check your rental agreement to understand the fuel policy for your vehicle.
We suggest pre-booking your transport to Ontario International Airport (ONT). The following options are available:
- Private Transfers to Ontario International Airport (ONT)
- Buses to Ontario International Airport (ONT)
- Taxis to Ontario International Airport (ONT)
- Train Services to/near Ontario International Airport (ONT)
Ensure your arrival at Baltimore/Washington International Thurgood Marshall Airport (BWI) is as stress-free as possible by pre-booking your onward transport - booking early may also save you money:
- Compare car rental at Baltimore/Washington International Thurgood Marshall Airport (BWI)
- Private transfers at Baltimore/Washington International Thurgood Marshall Airport (BWI)
- Buses from Baltimore/Washington International Thurgood Marshall Airport (BWI)
- Taxis from Baltimore/Washington International Thurgood Marshall Airport (BWI)
- Train services at or near Baltimore/Washington International Thurgood Marshall Airport (BWI)
Find hotels close to Baltimore/Washington International Thurgood Marshall Airport (BWI) many hotels offer airport transfers directly from the airport to your hotel.
To see all airliners that offer flights between Ontario International and Baltimore/Washington International Thurgood Marshall please see the table below.

Airliner | Mo | Tu | We | Th | Fr | Sa | Su | First Flight | Last Flight | Flights |
---|---|---|---|---|---|---|---|---|---|---|
Southwest Airlines | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 21:20 | 21:20 | VIEW FLIGHTS |
The most direct flights are offered by Southwest Airlines but they only offer 1 flight per week. This flight departs 21:20 and goes by the flight number WN4132
Would you like to book your flight? Bookings can be made direct with Southwest Airlines on their website www.southwest.com/?ref=southwestairlines.com.
The flight time for the selected route vary based on the month you will travel, but below we has summarised the most common times they will fly. We recommend you only take these times as guidance and check with appropriate airline for the exact times for the date you depart.

Day | Flight Times | Flights | ||||
---|---|---|---|---|---|---|
Monday | 21:20
| VIEW FLIGHTS | ||||
Tuesday | 21:20
| VIEW FLIGHTS | ||||
Wednesday | 21:20
| VIEW FLIGHTS | ||||
Thursday | 21:20
| VIEW FLIGHTS | ||||
Friday | 21:20
| VIEW FLIGHTS | ||||
Saturday | 21:20
| VIEW FLIGHTS | ||||
Sunday | 21:20
| VIEW FLIGHTS |
If the airlines stated don’t offer flights that suite your travel times, you could look at alternative options. Below we have summarised flights from alternative departures airports and flights that are not direct.

Route | Stops | Distance | Flying Time |
---|---|---|---|
Las Vegas to Baltimore Washington International Thurgood Marshall | 0 | 4 Hours 47 Minutes | |
Los Angeles to Baltimore Washington International Thurgood Marshall | 0 | 5 Hours 12 Minutes | |
Long Beach to Baltimore Washington International Thurgood Marshall | 0 | 5 Hours 11 Minutes | |
San Diego to Baltimore Washington International Thurgood Marshall | 0 | 5 Hours 9 Minutes | |
San Bernardino Norton Afb to Baltimore Washington International Thurgood Marshall | 0 | 5 Hours 5 Minutes | |
Santa Ana John Wayne to Baltimore Washington International Thurgood Marshall | 0 | 5 Hours 10 Minutes |
Please remember to leave plenty of time to get though customers when you are departing form the airports. Flights regulations are getting very strict these days so getting through customs can take in excess of 1 hour in some cases.
Planning a trip? Save money on car hire by booking in advance
Search for cheap car hire at ONT
Flight Price FAQ - Ontario (ONT) to Baltimore (BWI)
Compare Flight Prices from ONT to BWI

Was your flight delayed or cancelled?
You may be eligible to receive up to 600 EUR compensation per person in your party.
Claim Now!Flight Info FAQ - Ontario (ONT) to Baltimore (BWI)
Alternative Airports in United States with Connections from Ontario Airport
- airplanemode_active Ontario California Airport to Denver International 69 flights per week
- airplanemode_active Ontario California Airport to Phoenix 60 flights per week
- airplanemode_active Ontario California Airport to Las Vegas 49 flights per week
- airplanemode_active Ontario California Airport to Oakland International 31 flights per week
- airplanemode_active Ontario California Airport to Portland International 27 flights per week
- airplanemode_active Ontario California Airport to San Francisco 25 flights per week
- airplanemode_active Ontario California Airport to Honolulu International 19 flights per week
- airplanemode_active Ontario California Airport to Santa Maria Public 14 flights per week
- airplanemode_active Ontario California Airport to San Luis Obispo 10 flights per week
- airplanemode_active Ontario California Airport to Dallas Love Field 8 flights per week
- airplanemode_active Ontario California Airport to Nashville 7 flights per week
- airplanemode_active Ontario California Airport to Houston William P Hobby 7 flights per week
- airplanemode_active Ontario California Airport to New York John F Kennedy International 7 flights per week
- airplanemode_active Ontario California Airport to Chicago OHare International 7 flights per week
- airplanemode_active Ontario California Airport to Inyokern 5 flights per week
- airplanemode_active Ontario California Airport to Lancaster William J Fox 5 flights per week
- airplanemode_active Ontario California Airport to Los Angeles 2 flights per week
- airplanemode_active Ontario California Airport to Burbank 1 flights per week
- airplanemode_active Ontario California Airport to Fresno Air Terminal 1 flights per week
- airplanemode_active Ontario California Airport to Palm Springs Municipal 1 flights per week
- airplanemode_active Ontario California Airport to San Diego International 1 flights per week
- airplanemode_active Ontario California Airport to Santa Ana John Wayne 1 flights per week
- airplanemode_active Ontario California Airport to Los Angeles Van Nuys 1 flights per week
- airplanemode_active Ontario California Airport to Seattle Tacoma International 62 flights per week
- airplanemode_active Ontario California Airport to Dallas Fort Worth International 53 flights per week
- airplanemode_active Ontario California Airport to Sacramento International 41 flights per week
- airplanemode_active Ontario California Airport to San Jose Mineta San Jose International 28 flights per week
- airplanemode_active Ontario California Airport to Salt Lake City 26 flights per week
- airplanemode_active Ontario California Airport to Atlanta 21 flights per week
- airplanemode_active Ontario California Airport to Santa Barbara Municipal 18 flights per week
- airplanemode_active Ontario California Airport to Bakersfield 11 flights per week
- airplanemode_active Ontario California Airport to Houston 9 flights per week
- airplanemode_active Ontario California Airport to Austin bergstrom International 7 flights per week
- airplanemode_active Ontario California Airport to Charlotte Douglas 7 flights per week
- airplanemode_active Ontario California Airport to Wilmington Clinton Field 7 flights per week
- airplanemode_active Ontario California Airport to Chicago Midway 7 flights per week
- airplanemode_active Ontario California Airport to Kona 6 flights per week
- airplanemode_active Ontario California Airport to Ventura 5 flights per week
- airplanemode_active Ontario California Airport to Bishop 4 flights per week
- airplanemode_active Ontario California Airport to Aspen 1 flights per week
- airplanemode_active Ontario California Airport to Phoenix Deer Valley 1 flights per week
- airplanemode_active Ontario California Airport to Maui 1 flights per week
- airplanemode_active Ontario California Airport to Oklahoma City Wiley Post 1 flights per week
- airplanemode_active Ontario California Airport to San Bernardino Norton Afb 1 flights per week
- airplanemode_active Ontario California Airport to Santa Rosa Sonoma County 1 flights per week
Planning a trip? Save money on car rental by booking in advance
Search for cheap car hire in Ontario California
Useful Information about Ontario Airport

See all the airport lounges, locations and opening times available at Ontario Airport
View...
See all bars and restaurants at Ontario Airport, including locations and if they are before or after check-in
View...
See all shops available at Ontario Airport - plan your duty free shopping in advance
View...