
$143 Cheap Delta flights from Idaho Falls to Ontario (IDA to ONT)
Find The Best Day To Fly from Idaho Falls to Ontario
Amazing Delta IDA to ONT Flight Deals
The cheapest flights to Los Angeles - Ontario Intl. found within the past 7 days were $320 round trip and $143 one way. Prices and availability subject to change. Additional terms may apply.
Discover our best Delta flight from Idaho Falls IDA to Ontario ONT
To find the best deals on flights to Idaho Falls from Ontario with Delta, just enter your travel dates, filter by Delta, and hit search. You’ll find flights to choose from and can sort by price, flight duration, and arrival or departure time.
Return flights from Idaho Falls IDA to Ontario ONT with Delta
If you’re planning a round trip, booking return flights with Delta is usually the most cost-effective option. With airfares ranging from $320 to $355, it’s easy to find a flight that suits your budget. Prices and availability subject to change. Additional terms may apply.
Book one-way Delta flights from Idaho Falls IDA to Ontario ONT
A one-way ticket gives you much greater flexibility—allowing you to choose your return date, destination, and time whenever you’re ready. By booking in advance you can find great deals on one-way tickets too. Right now, a one-way Delta flight from Idaho Falls to Ontario costs from $143. Prices and availability subject to change. Additional terms may apply.
The easy way to find cheap flights to Ontario ONT from Idaho Falls IDA with Delta
To find a cheap Delta flight from Idaho Falls IDA to Ontario ONT, sort your search results by price or filter by budget. Thanks to Travelocity’s Price Match Promise, if you find a better airfare deal anywhere else within 24 hours, we’ll credit or refund the difference.
How to find our best airfare deals on Delta flights from Idaho Falls IDA to Ontario ONT
If you’re looking for cheap flights, it helps to be flexible when it comes to your travel dates. You’ll usually find lower cost tickets when you travel during quieter months such as July, or if you book a flight with a stopover.
Find nonstop flights from Idaho Falls IDA to Ontario ONT with Delta
If you’re keen to be on Ontario soil fast, don’t waste time with a stopover—filter your search results to show direct Delta flights only. The journey takes around hour(s) min(s) – so you’ll be there before you know it.
Flexible airline tickets for Delta flights from Idaho Falls IDA to Ontario ONT
Make sure you’re not out of pocket if plans change by choosing a flexible ticket with penalty-free amendment and cancellation options. Use our ‘no change fee’ filter to see which flights have this option.
There are a lot of reasons to book your flights to Ontario ONT from Idaho Falls IDA with Delta on Travelocity
At Travelocity our vast and up-to-the-minute inventory puts all of our best flight deals in one place. So, whether you’re traveling on business or jetting off with friends and family, you can trust Travelocity to get you there.
Airport code | Country | Airport name | Number of flights |
---|---|---|---|
ATL | USA | Hartsfield-Jackson Atlanta Intl. | 252 |
DTW | USA | Detroit Metropolitan Wayne County | 156 |
MSP | USA | Minneapolis - St. Paul Intl. | 131 |
SLC | USA | Salt Lake City Intl. | 116 |
SEA | USA | Seattle - Tacoma Intl. | 57 |
LAX | USA | Los Angeles Intl. | 41 |
AMS | NLD | Schiphol | 31 |
YYC | CAN | Calgary Intl. | 26 |
YYZ | CAN | Pearson Intl. | 24 |
JFK | USA | John F. Kennedy Intl. | 23 |
Travelers ❤️ these 🏨 after their flight to Ontario

Ontario Airport Hotel & Conference Center
Reviewed on Jul 16, 2025

La Quinta Inn & Suites by Wyndham Ontario Airport
Reviewed on Jul 15, 2025

Ontario Airport Inn
Reviewed on Jul 15, 2025
Popular Delta Flight Routes from IDA
Top Delta Flight Routes from ONT
Top Flights for Delta originating from IDA
Domestic
- Philadelphia to Orlando (PHL - MCO)
- Atlanta to Las Vegas (ATL - LAS)
- Chicago to San Juan (ORD - SJU)
- Dallas to Las Vegas (DFW - LAS)
- New York to Orlando (LGA - MCO)
- Newark Liberty Intl. Airport to San Juan (EWR - SJU)
- San Juan to Orlando (SJU - MCO)
- New York to Santo Domingo (JFK - SDQ)
- New York to Las Vegas (JFK - LAS)
- Dallas to Las Vegas (DFW - LAS)
International
- New York to Orlando (LGA - MCO)
- Newark Liberty Intl. Airport to San Juan (EWR - SJU)
- Orlando to San Juan (MCO - SJU)
- Philadelphia to San Juan (PHL - SJU)
- Atlanta to Las Vegas (ATL - LAS)
- New York to Montego Bay (JFK - MBJ)
- New York to Santo Domingo (JFK - SDQ)
- Chicago to San Juan (ORD - SJU)
- Boston to Orlando (BOS - MCO)
- Philadelphia to Orlando (PHL - MCO)
Most Popular
- Flights from Los Angeles (LAX) to Chicago (ORD)
- Flights from Los Angeles (LAX) to London (LHR)
- Flights from Los Angeles (LAX) to Atlanta (ATL)
- Flights from Portland (PDX) to Los Angeles (LAX)
- Flights from Houston (IAH) to Los Angeles (LAX)
- Flights from Los Angeles (LAX) to Cancun (CUN)
- Flights from Los Angeles (LAX) to Paris (CDG)
- Flights from Los Angeles (LAX) to Orlando (MCO)
- Flights from Boston (BOS) to Los Angeles (LAX)
- Flights from Los Angeles (LAX) to Miami (MIA)
- Flights from Los Angeles (LAX) to Honolulu (HNL)
- Flights from Los Angeles (LAX) to Dallas (DFW)
- Flights from Los Angeles (LAX) to New York (JFK)
- Flights from San Francisco (SFO) to Los Angeles (LAX)
- Flights from Orlando (MCO) to Los Angeles (LAX)
- Flights from New York (JFK) to Los Angeles (LAX)
- Flights from Los Angeles (LAX) to Mexico City (MEX)
- Flights from Atlanta (ATL) to Los Angeles (LAX)
- Flights from Los Angeles (LAX) to Portland (PDX)
- Flights from Phoenix (PHX) to Los Angeles (LAX)
- Flights from San Francisco (SFO) to New York (JFK)
- Flights from Salt Lake City (SLC) to Los Angeles (LAX)
- Air India San Francisco (SFO) to Delhi (DEL) flights
- Flights from Los Angeles (LAX) to Boston (BOS)
- Flights from Chicago (ORD) to Los Angeles (LAX)
- Flights from Philadelphia (PHL) to Los Angeles (LAX)
- Flights from New York (JFK) to San Francisco (SFO)
- Flights from Los Angeles (LAX) to Seattle (SEA)
- Flights from Los Angeles (LAX) to San Francisco (SFO)
- Flights from Dallas (DFW) to Los Angeles (LAX)