$133 Flight Deals from Ontario International Airport to Baltimore

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Save an average of $240 per person when bundling your flight and hotel together with Priceline

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Stops

Up to 1 stop

$253

Up to 2 stops

$307

Airlines

Alaska Airlines

$292

American Airlines

$462

Delta Air Lines

$253

Hawaiian Airlines

$333

United Airlines

$388

Cabin Class

Economy

$253

Departure Airports

Ontario International Airport

$253

Arrival Airports

Baltimore/Washington International Thurgood Marshall Airport

$253

Layover Airports

Charlotte Douglas International Airport

$528

Chicago O Hare Airport

$392

Dallas Fort Worth International Airport

$462

Denver International Airport

$392

Detroit Metropolitan Airport

$307

George Bush Intercontinental Houston Airport

$388

Hartsfield Jackson Atlanta International Airport

$253

Minneapolis-St Paul International/Wold-Chamberlain Airport

$596

Norman Y. Mineta San Jose International Airport

$574

Portland International Airport

$416

Salt Lake City International Airport

$273

San Francisco International Airport

$322

Seattle Tacoma International Airport

$292

Best Price. GUARANTEED.

Exclusively for Priceline Members
Tired of searching? Book now!
We'll refund the difference if you find a lower price.

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On average save $240 per traveler

Delta Air Lines

04/23/25

10:15pm

ONT

10h 57m

ATL

04/24/25

9:12am

BWI

Delta Air Lines

05/03/25

5:10pm

BWI

2h 52m

Direct

05/03/25

8:02pm

ONT

^$253

Free cancellation within 83 hours of booking

Delta Air Lines

05/06/25

12:07pm

ONT

9h 49m

ATL

05/06/25

9:56pm

BWI

Delta Air Lines

05/10/25

5:15pm

BWI

2h 40m

Direct

05/10/25

7:55pm

ONT

^$253

Free cancellation within 83 hours of booking

Delta Air Lines

04/22/25

10:15pm

ONT

10h 57m

ATL

04/23/25

9:12am

BWI

Delta Air Lines

05/03/25

5:10pm

BWI

2h 52m

Direct

05/03/25

8:02pm

ONT

^$253

Free cancellation within 83 hours of booking

Delta Air Lines

04/30/25

10:15pm

ONT

10h 57m

ATL

05/01/25

9:12am

BWI

Delta Air Lines

05/07/25

6:55am

BWI

5h 20m

SLC

05/07/25

12:15pm

ONT

^$273

Free cancellation within 83 hours of booking

Alaska Airlines

04/29/25

6:00am

ONT

12h 5m

SEA

04/29/25

6:05pm

BWI

Alaska Airlines

05/13/25

5:38pm

BWI

2h 49m

Direct

05/13/25

8:27pm

ONT

^$292

Free cancellation within 83 hours of booking

Alaska Airlines

04/29/25

6:00am

ONT

12h 5m

SEA

04/29/25

6:05pm

BWI

Alaska Airlines

05/07/25

10:00am

BWI

6h 45m

SEA

05/07/25

4:45pm

ONT

^$298

Free cancellation within 83 hours of booking

Delta Air Lines

04/22/25

10:15pm

ONT

13h 37m

ATL

DTW

04/23/25

11:52am

BWI

Delta Air Lines

04/24/25

6:00am

BWI

4h 57m

ATL

04/24/25

10:57am

ONT

^$307

Free cancellation within 83 hours of booking

Alaska Airlines

04/23/25

6:00am

ONT

12h 5m

SEA

04/23/25

6:05pm

BWI

Alaska Airlines

05/03/25

5:38pm

BWI

2h 49m

Direct

05/03/25

8:27pm

ONT

^$312

Free cancellation within 83 hours of booking

Alaska Airlines

04/23/25

6:00am

ONT

12h 5m

SEA

04/23/25

6:05pm

BWI

Alaska Airlines

04/29/25

7:00am

BWI

8h 8m

SFO

04/29/25

3:08pm

ONT

^$322

Free cancellation within 83 hours of booking

Hawaiian Airlines

04/23/25

6:00am

ONT

12h 5m

SEA

04/23/25

6:05pm

BWI

Hawaiian Airlines

04/26/25

5:38pm

BWI

2h 49m

Direct

04/26/25

8:27pm

ONT

^$333

Free cancellation within 83 hours of booking

Alaska Airlines

04/29/25

6:00am

ONT

12h 5m

SEA

04/29/25

6:05pm

BWI

Alaska Airlines

05/06/25

10:00am

BWI

12h 28m

SEA

SFO

05/06/25

10:28pm

ONT

^$341

Free cancellation within 83 hours of booking

Delta Air Lines

04/22/25

10:15pm

ONT

13h 37m

ATL

DTW

04/23/25

11:52am

BWI

Delta Air Lines

04/25/25

5:50am

BWI

12h 5m

ATL

SEA

04/25/25

5:55pm

ONT

^$341

Free cancellation within 83 hours of booking

Alaska Airlines

05/14/25

4:29pm

ONT

13h 17m

SEA

05/15/25

5:46am

BWI

Alaska Airlines

05/21/25

7:15am

BWI

4h 39m

SFO

05/21/25

11:54am

ONT

^$367

Free cancellation within 83 hours of booking

Hawaiian Airlines

04/23/25

6:00am

ONT

12h 5m

SEA

04/23/25

6:05pm

BWI

Hawaiian Airlines

04/26/25

8:00am

BWI

7h 28m

SEA

04/26/25

3:28pm

ONT

^$371

Free cancellation within 83 hours of booking

United Airlines

05/07/25

6:48pm

ONT

12h 29m

SFO

05/08/25

7:17am

BWI

United Airlines

05/14/25

4:19pm

BWI

5h 41m

IAH

05/14/25

10:00pm

ONT

^$388

Free cancellation within 83 hours of booking

United Airlines

04/26/25

5:00am

ONT

10h 5m

DEN

04/26/25

3:05pm

BWI

United Airlines

04/28/25

12:55pm

BWI

5h 40m

ORD

04/28/25

6:35pm

ONT

^$392

Free cancellation within 83 hours of booking

Alaska Airlines

05/14/25

4:29pm

ONT

13h 17m

SEA

05/15/25

5:46am

BWI

Alaska Airlines

05/20/25

6:30am

BWI

10h 48m

SEA

PDX

05/20/25

5:18pm

ONT

^$416

Free cancellation within 83 hours of booking

United Airlines

05/14/25

5:05am

ONT

10h

DEN

05/14/25

3:05pm

BWI

United Airlines

05/21/25

4:19pm

BWI

5h 41m

IAH

05/21/25

10:00pm

ONT

^$425

Free cancellation within 83 hours of booking

Alaska Airlines

04/16/25

6:00am

ONT

12h 3m

SEA

04/16/25

6:03pm

BWI

Alaska Airlines

04/23/25

5:10pm

BWI

6h 49m

PDX

04/23/25

11:59pm

ONT

^$442

Free cancellation within 83 hours of booking

American Airlines

05/14/25

6:15am

ONT

12h 13m

DFW

05/14/25

6:28pm

BWI

American Airlines

05/21/25

6:03am

BWI

5h 48m

DFW

05/21/25

11:51am

ONT

^$462

Free cancellation within 83 hours of booking

Hawaiian Airlines

05/05/25

4:29pm

ONT

13h 17m

SEA

05/06/25

5:46am

BWI

Hawaiian Airlines

05/12/25

7:06am

BWI

8h 26m

SEA

05/12/25

3:32pm

ONT

^$501

Free cancellation within 83 hours of booking

United Airlines

05/05/25

6:48pm

ONT

12h 29m

SFO

05/06/25

7:17am

BWI

United Airlines

05/12/25

4:10pm

BWI

4h 43m

DEN

05/12/25

8:53pm

ONT

^$508

Free cancellation within 83 hours of booking

United Airlines

04/25/25

1:35pm

ONT

9h 55m

DEN

04/25/25

11:30pm

BWI

United Airlines

04/27/25

6:20am

BWI

7h 22m

ORD

04/27/25

1:42pm

ONT

^$523

Free cancellation within 83 hours of booking

American Airlines

04/21/25

10:40pm

ONT

10h 59m

CLT

04/22/25

9:39am

BWI

American Airlines

04/24/25

8:16am

BWI

2h 59m

Direct

04/24/25

11:15am

ONT

^$528

Free cancellation within 83 hours of booking

American Airlines

04/21/25

10:40pm

ONT

10h 59m

CLT

04/22/25

9:39am

BWI

American Airlines

04/25/25

10:45am

BWI

6h 6m

CLT

04/25/25

4:51pm

ONT

^$537

Free cancellation within 83 hours of booking

Alaska Airlines

04/19/25

6:00am

ONT

12h 3m

SEA

04/19/25

6:03pm

BWI

Alaska Airlines

05/14/25

6:30am

BWI

11h 23m

SEA

SJC

05/14/25

5:53pm

ONT

^$574

Free cancellation within 83 hours of booking

American Airlines

04/19/25

10:40pm

ONT

10h 59m

CLT

04/20/25

9:39am

BWI

American Airlines

04/26/25

6:15am

BWI

7h 34m

DFW

04/26/25

1:49pm

ONT

^$582

Free cancellation within 83 hours of booking

Delta Air Lines

04/21/25

10:15pm

ONT

16h 28m

ATL

MSP

04/22/25

2:43pm

BWI

Delta Air Lines

04/24/25

10:19am

BWI

12h 9m

ATL

SEA

04/24/25

10:28pm

ONT

^$596

Free cancellation within 83 hours of booking

United Airlines

04/26/25

5:00am

ONT

10h 5m

DEN

04/26/25

3:05pm

BWI

United Airlines

04/28/25

10:50am

BWI

9h 40m

ORD

DEN

04/28/25

8:30pm

ONT

^$673

Free cancellation within 83 hours of booking

Delta Air Lines

05/01/25

6:00am

ONT

14h

SLC

ATL

05/01/25

8:00pm

BWI

Delta Air Lines

05/05/25

6:00am

BWI

10h 33m

MSP

SLC

05/05/25

4:33pm

ONT

^$728

Free cancellation within 83 hours of booking

Top Deals on flights from Ontario International Airport to Baltimore

Los Angeles, US (LAX) - Baltimore, US (BWI)

Frontier Airlines

Apr 18

12:59am

ONT

10h 28m

DEN

Apr 18

11:27am

BWI

as low as

$133

Los Angeles, US (LAX) - Baltimore, US (BWI)

Frontier Airlines

Apr 16

7:58pm

ONT

15h 7m

DFW

Apr 17

11:05am

BWI

as low as

$139

Los Angeles, US (LAX) - Baltimore, US (BWI)

Delta Air Lines

Apr 22

10:15pm

ONT

10h 57m

ATL

Apr 23

9:12am

BWI

as low as

$144

Los Angeles, US (LAX) - Baltimore, US (BWI)

American Airlines

Jun 18

12:49pm

ONT

10h 27m

DFW

Jun 18

11:16pm

BWI

as low as

$178

Los Angeles, US (LAX) - Baltimore, US (BWI)

United Airlines

Jun 4

6:32pm

ONT

10h 48m

DEN

Jun 5

5:20am

BWI

as low as

$195

Los Angeles, US (LAX) - Baltimore, US (BWI)

Hawaiian Airlines

May 10

4:29pm

ONT

13h 17m

SEA

May 11

5:46am

BWI

as low as

$198

Los Angeles, US (LAX) - Baltimore, US (BWI)

Alaska Airlines

May 21

6:00am

ONT

12h 5m

SEA

May 21

6:05pm

BWI

as low as

$204

Los Angeles, US (LAX) - Baltimore, US (BWI)

American Airlines

Jun 26

10:28pm

ONT

11h 23m

CLT

Jun 27

9:51am

BWI

as low as

$228

Los Angeles, US (LAX) - Baltimore, US (BWI)

United Airlines

May 4

6:00am

ONT

11h 30m

SFO

May 4

5:30pm

BWI

as low as

$228

Los Angeles, US (LAX) - Baltimore, US (BWI)

American Airlines

Jun 2

7:30am

ONT

11h 57m

DFW

CLT

Jun 2

7:27pm

BWI

as low as

$233

Los Angeles, US (LAX) - Baltimore, US (BWI)

American Airlines

Jun 29

6:23am

ONT

11h 59m

PHX

CLT

Jun 29

6:22pm

BWI

as low as

$233

Los Angeles, US (LAX) - Baltimore, US (BWI)

United Airlines

May 25

6:00am

ONT

10h 25m

IAH

May 25

4:25pm

BWI

as low as

$278

Flights to Baltimore

Return flights

Flights From Baltimore To Ontario International Airport

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Flight Deals from Ontario International Airport to Baltimore from $133

Stops

Airlines

Cabin Class

Departure Airports

Arrival Airports

Layover Airports

Best Price. GUARANTEED.

Top Deals on flights from Ontario International Airport to Baltimore

Flights to Baltimore

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