Title: Cheap Flights from Ontario (ONT) to Baton Rouge (BTR) - Expedia.ca ![](https://images.trvl-media.com/place/603004/64c2c4a5-d6fb-48a5-b56f-73e6b859348a.jpg?impolicy=fcrop&w=1200&h=500&q=medium) ![](https://a.travel-assets.com/travel-assets-manager/fallback-images-brand/bex_flights_v2.jpg?impolicy=fcrop&w=1200&h=500&q=medium) # Cheap Flights from Ontario (ONT) to Baton Rouge (BTR) - [Roundtrip](?flightType=roundtrip) - [One-way](?flightType=oneway) - [Multi-city](?flightType=multicity) ### Travellers Adults ChildrenAges 2 to 17 InfantsYounger than 2 EconomyPremium economyBusiness classFirst class Leaving from Going to Departing Returning Add a place to stay Add a car Direct flights only ## Popular airlines from Los Angeles - Ontario Intl. Airport (ONT) to Baton Rouge Metropolitan Airport (BTR) - ![Delta](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_DL.svg) Delta [](https://www.expedia.ca/Flights-Search?leg1=from:ont,to:btr,departure:17/10/2025TANYT&leg2=from:btr,to:ont,departure:24/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"DL"}}]) - ![American Airlines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AA.svg) American Airlines [](https://www.expedia.ca/Flights-Search?leg1=from:ont,to:btr,departure:17/10/2025TANYT&leg2=from:btr,to:ont,departure:24/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AA"}}]) - ![United](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_UA.svg) United [](https://www.expedia.ca/Flights-Search?leg1=from:ont,to:btr,departure:17/10/2025TANYT&leg2=from:btr,to:ont,departure:24/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"UA"}}]) - ![Alaska Airlines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AS.svg) Alaska Airlines [](https://www.expedia.ca/Flights-Search?leg1=from:ont,to:btr,departure:17/10/2025TANYT&leg2=from:btr,to:ont,departure:24/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AS"}}]) - ## Plan, book, fly with confidence - ### Be in the know Get alerts if flight prices drop or rise\* - ### Book smarter Save up to 30% on select hotels after you book a flight\* - ### Earn twice Earn your airline miles on top of our rewards [Sign in](https://www.expedia.ca/login) ## Find the cheapest month to fly from Ontario (ONT) to Baton Rouge (BTR) ### May is typically the cheapest month to fly From CA $360 - CA $1,162 per traveller. ## Frequently asked questions ### How much is a flight from Los Angeles - Ontario Intl. Airport (ONT) to Baton Rouge Metropolitan Airport (BTR)? > Round-trip journeys from Ontario Airport to Baton Rouge Metropolitan Airport start from . This price is based on fares listed within the last 7 days on Expedia for flights departing within the next year — book ASAP so you don't miss out. Prices and availability are subject to change. Additional terms apply. ### Do I need to pay a cancellation fee if I cancel my flight from Ontario Airport to BTR? > This can vary between airlines, as each one has its own terms and conditions. Head to the [Customer Service Portal](https://www.expedia.ca/helpcenter), where there are easy-to-follow instructions on how to cancel your flight online. ### How do I find cheap flights from Ontario Airport to Baton Rouge Metropolitan Airport that have flexible change policies? > Use our "No change fees" filter to find flexible ticketing options for your flight from ONT to BTR. This allows you to snag a great deal ahead of time and still have the freedom to reschedule without any additional fees. Just keep in mind that fare differences may still apply. ### How many hours is the flight from ONT to Baton Rouge Metropolitan Airport (BTR)? > Lasting around 4 hours and 49 minutes, the flight between Ontario Airport and Baton Rouge Metropolitan Airport (BTR) is a great opportunity to do some last-minute planning. Why not use this time to work on your itinerary for Baton Rouge? ### How far is the flight from Los Angeles - Ontario Intl. Airport (ONT) to BTR? > The flying distance between Los Angeles - Ontario Intl. Airport (ONT) and BTR is 2,500 kilometres. Close your eyes or make a start on the latest bestseller and the journey will fly by. ### Which airlines fly direct from Los Angeles - Ontario Intl. Airport (ONT) to BTR? > You won't find any airlines operating directly between Los Angeles - Ontario Intl. Airport (ONT) and Baton Rouge Metropolitan Airport (BTR), so be ready to make at least one stop on your journey. A layover, whether short or long, can be a welcome way to break up a trip! ### Are Ontario Airport to Baton Rouge Metropolitan Airport flight tickets cheaper when they're purchased at the last minute? > Tickets from ONT to Baton Rouge Metropolitan Airport (BTR) are available up to 12 months prior to departure on Expedia. And although you may occasionally pick up a great last-minute deal, it's never a sure thing. Also, booking your flights well in advance means you'll have more choices — and you can avoid being wedged in the dreaded middle seat! We're constantly updating our fares to bring you the biggest bargains, so check back often for all the latest specials. ## Travel information | Origin airport | Los Angeles - Ontario Intl. | | --- | --- | | Destination airport | Baton Rouge Metropolitan | | Distance | 2493 km | ## Book with confidence ### Los Angeles to Baton Rouge Flights **The easy way to book your flights from Ontario to Baton Rouge**  With Expedia, it’s simple to find and book flights to Baton Rouge from Ontario whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from airlines that cover this route. There are nonstop flights to Baton Rouge Metropolitan, too.   Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from Ontario to Baton Rouge today, tomorrow, or this week.   **Save dollars with cheap flights from Los Angeles - Ontario Intl., ONT to Baton Rouge Metropolitan, BTR**  Sort your search results by price to find great deals on your flight from Ontario to Baton Rouge—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Baton Rouge from Ontario currently is just rising to .   Here are more money-saving tips:  - Fly in when flight prices are normally at their lowest  - Book about a month to 6 weeks before you travel for the best prices to Baton Rouge   - Avoid peak season and weekends when flights can cost more - Early morning and late-night flights are sometimes cheaper, so try varying your travel times  - One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free!  **Reasons to choose Expedia for your flight to Baton Rouge from Ontario**  Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. So book your flight to Baton Rouge with Expedia today. ## Explore a world of travel with Expedia - Flights - [Flights from Baltimore to Eastern Louisiana](https://www.expedia.ca/lp/flights/178235/6058914/baltimore-to-eastern-louisiana) - [Flights from Boston to Eastern Louisiana](https://www.expedia.ca/lp/flights/178239/6058914/boston-to-eastern-louisiana) - [Flights from Calgary to Eastern Louisiana](https://www.expedia.ca/lp/flights/178245/6058914/calgary-to-eastern-louisiana) - [Flights from Dallas to Eastern Louisiana](https://www.expedia.ca/lp/flights/178253/6058914/dallas-to-eastern-louisiana) - [Flights from Denver to Eastern Louisiana](https://www.expedia.ca/lp/flights/178254/6058914/denver-to-eastern-louisiana) - [Flights from Minneapolis - St. Paul to Eastern Louisiana](https://www.expedia.ca/lp/flights/178287/6058914/minneapolis-st-paul-to-eastern-louisiana) - [Flights from Raleigh to Eastern Louisiana](https://www.expedia.ca/lp/flights/178300/6058914/raleigh-to-eastern-louisiana) - [Flights from Spokane to Eastern Louisiana](https://www.expedia.ca/lp/flights/602959/6058914/spokane-to-eastern-louisiana) - [Flights from Tampa to Eastern Louisiana](https://www.expedia.ca/lp/flights/602996/6058914/tampa-to-eastern-louisiana) - [Flights from Jacksonville to Eastern Louisiana](https://www.expedia.ca/lp/flights/602997/6058914/jacksonville-to-eastern-louisiana) - [Flights from Ardmore (ADM) to Lafayette (LFT)](https://www.expedia.ca/lp/flights/adm/lft/ardmore-to-lafayette) - [Flights from Atqasuk (ATK) to Lafayette (LFT)](https://www.expedia.ca/lp/flights/atk/lft/atqasuk-to-lafayette) - [Flights from Atlanta (ATL) to Lafayette (LFT)](https://www.expedia.ca/lp/flights/atl/lft/atlanta-to-lafayette) - [Flights from Auburn (AUO) to Lafayette (LFT)](https://www.expedia.ca/lp/flights/auo/lft/auburn-to-lafayette) - [Flights from Austin (AUS) to New Orleans (MSY)](https://www.expedia.ca/lp/flights/aus/msy/austin-to-new-orleans) - [Flights from Beaver Falls (BFP) to Lafayette (LFT)](https://www.expedia.ca/lp/flights/bfp/lft/beaver-falls-to-lafayette) - [Flights from Bangor (BGR) to Lafayette (LFT)](https://www.expedia.ca/lp/flights/bgr/lft/bangor-to-lafayette) - [Flights from Bellingham (BLI) to Lafayette (LFT)](https://www.expedia.ca/lp/flights/bli/lft/bellingham-to-lafayette) - [Flights from Nashville (BNA) to Lafayette (LFT)](https://www.expedia.ca/lp/flights/bna/lft/nashville-to-lafayette) - [Flights from Boston (BOS) to Lafayette (LFT)](https://www.expedia.ca/lp/flights/bos/lft/boston-to-lafayette) - [Flights from Boston (BOS) to New Orleans (MSY)](https://www.expedia.ca/lp/flights/bos/msy/boston-to-new-orleans) - [Flights from Baton Rouge (BTR) to New Orleans (MSY)](https://www.expedia.ca/lp/flights/btr/msy/baton-rouge-to-new-orleans) - [Flights from Burlington (BTV) to New Orleans (MSY)](https://www.expedia.ca/lp/flights/btv/msy/burlington-to-new-orleans) - [Flights from Buffalo (BUF) to Lafayette (LFT)](https://www.expedia.ca/lp/flights/buf/lft/buffalo-to-lafayette) - [Flights from Baltimore (BWI) to New Orleans (MSY)](https://www.expedia.ca/lp/flights/bwi/msy/baltimore-to-new-orleans) - [Flights from Charleston (CHS) to New Orleans (MSY)](https://www.expedia.ca/lp/flights/chs/msy/charleston-to-new-orleans) - [Flights from Clarksburg (CKB) to Lafayette (LFT)](https://www.expedia.ca/lp/flights/ckb/lft/clarksburg-to-lafayette) - [Flights from Charlotte (CLT) to Lafayette (LFT)](https://www.expedia.ca/lp/flights/clt/lft/charlotte-to-lafayette) - [Flights from Charlotte (CLT) to New Orleans (MSY)](https://www.expedia.ca/lp/flights/clt/msy/charlotte-to-new-orleans) - [Flights from Colorado Springs (COS) to Lafayette (LFT)](https://www.expedia.ca/lp/flights/cos/lft/colorado-springs-to-lafayette) - [Flights from Cancun (CUN) to Lafayette (LFT)](https://www.expedia.ca/lp/flights/cun/lft/cancun-to-lafayette) - [Flights from Washington (DCA) to New Orleans (MSY)](https://www.expedia.ca/lp/flights/dca/msy/washington-to-new-orleans) - [Flights from Denver (DEN) to New Orleans (MSY)](https://www.expedia.ca/lp/flights/den/msy/denver-to-new-orleans) - [Flights from Fargo (FAR) to New Orleans (MSY)](https://www.expedia.ca/lp/flights/far/msy/fargo-to-new-orleans) - [Flights from Fort Lauderdale (FLL) to New Orleans (MSY)](https://www.expedia.ca/lp/flights/fll/msy/fort-lauderdale-to-new-orleans) - [Flights from Spokane (GEG) to New Orleans (MSY)](https://www.expedia.ca/lp/flights/geg/msy/spokane-to-new-orleans) - [Flights from Grand Forks (GFK) to New Orleans (MSY)](https://www.expedia.ca/lp/flights/gfk/msy/grand-forks-to-new-orleans) - [Flights from Great Falls (GTF) to New Orleans (MSY)](https://www.expedia.ca/lp/flights/gtf/msy/great-falls-to-new-orleans) - [Flights from Houma (HUM) to Lafayette (LFT)](https://www.expedia.ca/lp/flights/hum/lft/houma-to-lafayette) - [Flights from Niagara Falls (IAG) to New Orleans (MSY)](https://www.expedia.ca/lp/flights/iag/msy/niagara-falls-to-new-orleans) - [Flights from Houston (IAH) to Lafayette (LFT)](https://www.expedia.ca/lp/flights/iah/lft/houston-to-lafayette) - [Flights from Houston (IAH) to New Orleans (MSY)](https://www.expedia.ca/lp/flights/iah/msy/houston-to-new-orleans) - [Flights from Jacksonville (JAX) to New Orleans (MSY)](https://www.expedia.ca/lp/flights/jax/msy/jacksonville-to-new-orleans) - [Flights from Jamestown (JMS) to Lafayette (LFT)](https://www.expedia.ca/lp/flights/jms/lft/jamestown-to-lafayette) - [Flights from Los Angeles (LAX) to Lafayette (LFT)](https://www.expedia.ca/lp/flights/lax/lft/los-angeles-to-lafayette) - [Flights from Lafayette (LFT) to New Orleans (MSY)](https://www.expedia.ca/lp/flights/lft/msy/lafayette-to-new-orleans) - [Flights from New York (LGA) to Lafayette (LFT)](https://www.expedia.ca/lp/flights/lga/lft/new-york-to-lafayette) - [Flights from Lagos (LOS) to New Orleans (MSY)](https://www.expedia.ca/lp/flights/los/msy/lagos-to-new-orleans) - [Flights from Kansas City (MCI) to New Orleans (MSY)](https://www.expedia.ca/lp/flights/mci/msy/kansas-city-to-new-orleans) - [Flights from Memphis (MEM) to New Orleans (MSY)](https://www.expedia.ca/lp/flights/mem/msy/memphis-to-new-orleans) - [Flights from Miami (MIA) to Lafayette (LFT)](https://www.expedia.ca/lp/flights/mia/lft/miami-to-lafayette) - [Flights from Miami (MIA) to New Orleans (MSY)](https://www.expedia.ca/lp/flights/mia/msy/miami-to-new-orleans) - [Flights from Minot (MOT) to New Orleans (MSY)](https://www.expedia.ca/lp/flights/mot/msy/minot-to-new-orleans) - [Flights from Muscle Shoals (MSL) to Lafayette (LFT)](https://www.expedia.ca/lp/flights/msl/lft/muscle-shoals-to-lafayette) - [Flights from Minneapolis (MSP) to Lafayette (LFT)](https://www.expedia.ca/lp/flights/msp/lft/minneapolis-to-lafayette) - [Flights from Minneapolis (MSP) to New Orleans (MSY)](https://www.expedia.ca/lp/flights/msp/msy/minneapolis-to-new-orleans) - [Flights from New Orleans (MSY) to Lafayette (LFT)](https://www.expedia.ca/lp/flights/msy/lft/new-orleans-to-lafayette) - [Flights from Ogdensburg (OGS) to New Orleans (MSY)](https://www.expedia.ca/lp/flights/ogs/msy/ogdensburg-to-new-orleans) - [Flights from Ontario (ONT) to New Orleans (MSY)](https://www.expedia.ca/lp/flights/ont/msy/ontario-to-new-orleans) - [Flights from Plattsburgh (PBG) to Lafayette (LFT)](https://www.expedia.ca/lp/flights/pbg/lft/plattsburgh-to-lafayette) - [Flights from Plattsburgh (PBG) to New Orleans (MSY)](https://www.expedia.ca/lp/flights/pbg/msy/plattsburgh-to-new-orleans) - [Flights from Philadelphia (PHL) to New Orleans (MSY)](https://www.expedia.ca/lp/flights/phl/msy/philadelphia-to-new-orleans) - [Flights from Phoenix (PHX) to New Orleans (MSY)](https://www.expedia.ca/lp/flights/phx/msy/phoenix-to-new-orleans) - [Flights from Pittsburgh (PIT) to New Orleans (MSY)](https://www.expedia.ca/lp/flights/pit/msy/pittsburgh-to-new-orleans) - [Flights from Pensacola (PNS) to New Orleans (MSY)](https://www.expedia.ca/lp/flights/pns/msy/pensacola-to-new-orleans) - [Flights from Palm Springs (PSP) to New Orleans (MSY)](https://www.expedia.ca/lp/flights/psp/msy/palm-springs-to-new-orleans) - [Flights from Fort Myers (RSW) to New Orleans (MSY)](https://www.expedia.ca/lp/flights/rsw/msy/fort-myers-to-new-orleans) - [Flights from San Diego (SAN) to New Orleans (MSY)](https://www.expedia.ca/lp/flights/san/msy/san-diego-to-new-orleans) - [Flights from San Antonio (SAT) to New Orleans (MSY)](https://www.expedia.ca/lp/flights/sat/msy/san-antonio-to-new-orleans) - [Flights from Savannah (SAV) to New Orleans (MSY)](https://www.expedia.ca/lp/flights/sav/msy/savannah-to-new-orleans) - [Flights from San Francisco (SFO) to New Orleans (MSY)](https://www.expedia.ca/lp/flights/sfo/msy/san-francisco-to-new-orleans) - [Flights from Shreveport (SHV) to New Orleans (MSY)](https://www.expedia.ca/lp/flights/shv/msy/shreveport-to-new-orleans) - [Flights from St. Louis (STL) to New Orleans (MSY)](https://www.expedia.ca/lp/flights/stl/msy/st-louis-to-new-orleans) - [Flights from Silver City (SVC) to Lafayette (LFT)](https://www.expedia.ca/lp/flights/svc/lft/silver-city-to-lafayette) - [Flights from Tampa (TPA) to New Orleans (MSY)](https://www.expedia.ca/lp/flights/tpa/msy/tampa-to-new-orleans) - [Flights from Cornwall (YCC) to New Orleans (MSY)](https://www.expedia.ca/lp/flights/ycc/msy/cornwall-to-new-orleans) - [Flights from Nanaimo (YCD) to New Orleans (MSY)](https://www.expedia.ca/lp/flights/ycd/msy/nanaimo-to-new-orleans) - [Flights from Edmonton (YEG) to Lafayette (LFT)](https://www.expedia.ca/lp/flights/yeg/lft/edmonton-to-lafayette) - [Flights from Fredericton (YFC) to New Orleans (MSY)](https://www.expedia.ca/lp/flights/yfc/msy/fredericton-to-new-orleans) - [Flights from Halifax (YHZ) to Lafayette (LFT)](https://www.expedia.ca/lp/flights/yhz/lft/halifax-to-lafayette) - [Flights from Kitchener (YKF) to New Orleans (MSY)](https://www.expedia.ca/lp/flights/ykf/msy/kitchener-to-new-orleans) - [Flights from Kelowna (YLW) to Lafayette (LFT)](https://www.expedia.ca/lp/flights/ylw/lft/kelowna-to-lafayette) - [Flights from Ottawa (YOW) to Lafayette (LFT)](https://www.expedia.ca/lp/flights/yow/lft/ottawa-to-lafayette) - [Flights from Windsor (YQG) to New Orleans (MSY)](https://www.expedia.ca/lp/flights/yqg/msy/windsor-to-new-orleans) - [Flights from Moncton (YQM) to Lafayette (LFT)](https://www.expedia.ca/lp/flights/yqm/lft/moncton-to-lafayette) - [Flights from Moncton (YQM) to New Orleans (MSY)](https://www.expedia.ca/lp/flights/yqm/msy/moncton-to-new-orleans) - [Flights from Comox (YQQ) to New Orleans (MSY)](https://www.expedia.ca/lp/flights/yqq/msy/comox-to-new-orleans) - [Flights from Thunder Bay (YQT) to New Orleans (MSY)](https://www.expedia.ca/lp/flights/yqt/msy/thunder-bay-to-new-orleans) - [Flights from Montreal (YUL) to Lafayette (LFT)](https://www.expedia.ca/lp/flights/yul/lft/montreal-to-lafayette) - [Flights from Vancouver (YVR) to Lafayette (LFT)](https://www.expedia.ca/lp/flights/yvr/lft/vancouver-to-lafayette) - [Flights from Winnipeg (YWG) to Lafayette (LFT)](https://www.expedia.ca/lp/flights/ywg/lft/winnipeg-to-lafayette) - [Flights from Saskatoon (YXE) to Lafayette (LFT)](https://www.expedia.ca/lp/flights/yxe/lft/saskatoon-to-lafayette) - [Flights from Prince George (YXS) to New Orleans (MSY)](https://www.expedia.ca/lp/flights/yxs/msy/prince-george-to-new-orleans) - [Flights from London (YXU) to New Orleans (MSY)](https://www.expedia.ca/lp/flights/yxu/msy/london-to-new-orleans) - [Flights from Abbotsford (YXX) to New Orleans (MSY)](https://www.expedia.ca/lp/flights/yxx/msy/abbotsford-to-new-orleans) - [Flights from Calgary (YYC) to Lafayette (LFT)](https://www.expedia.ca/lp/flights/yyc/lft/calgary-to-lafayette) - [Flights from Charlottetown (YYG) to New Orleans (MSY)](https://www.expedia.ca/lp/flights/yyg/msy/charlottetown-to-new-orleans) - [Flights from St. John's (YYT) to Lafayette (LFT)](https://www.expedia.ca/lp/flights/yyt/lft/st-johns-to-lafayette) - [Flights from St. John's (YYT) to New Orleans (MSY)](https://www.expedia.ca/lp/flights/yyt/msy/st-johns-to-new-orleans) - [Flights from Toronto (YYZ) to Lafayette (LFT)](https://www.expedia.ca/lp/flights/yyz/lft/toronto-to-lafayette) \*Available to Expedia members.