App
Customer Support
NZD
Find Bookings
Trip.com
>
Cheap Flights
>
United States
>
Delta Air Lines
>
Delta Air Lines Flights to Ontario (ONT)
Worldwide Coverage
Worldwide Coverage
Flights to over 5,000 cities
One-stop Service Guarantee
One-stop Service Guarantee
Price guaranteed upon confirmed payment, booking guaranteed once tickets issued
Secure Payment
Secure Payment
Convenient & reliable booking and payment system
DL

Delta Air Lines Flights to Ontario

  • One way
  • Round-trip
      • Cheapest nonstop
        SEA11:30
        2h 45m
        Nonstop
        ONT14:15
        Delta Air Lines|Seattle - Ontario|Wed, May 14
        NZD 150NZD 206
        27% OFF
        27% OFF
        NZD 206NZD 150

        Choose Delta Air Lines flights from Seattle to Ontario. The one-way direct flight with Delta Air Lines departs from Seattle Tacoma Intl. Airport on Wed, May 14, arriving at Ontario International Airport. One-way Prices start from NZD 150 including taxes and charges.

      • SNA14:00
        23h 16m
        1 stop
        ONT13:16
        Delta Air Lines|Santa Ana - Ontario|Thu, May 8
        NZD 160NZD 206
        22% OFF
        22% OFF
        NZD 206NZD 160

        Choose Delta Air Lines flights from Santa Ana to Ontario. The one-way connecting flight with Delta Air Lines departs from John Wayne Airport on Thu, May 8, arriving at Ontario International Airport. One-way Prices start from NZD 160 including taxes and charges.

      • PDX05:15
        7h 1m
        1 stop
        ONT12:16
        Delta Air Lines|Portland - Ontario|Wed, Apr 23
        NZD 161NZD 206
        22% OFF
        22% OFF
        NZD 206NZD 161

        Choose Delta Air Lines flights from Portland to Ontario. The one-way connecting flight with Delta Air Lines departs from Portland International Airport on Wed, Apr 23, arriving at Ontario International Airport. One-way Prices start from NZD 161 including taxes and charges.

      • RNO06:00
        6h 16m
        1 stop
        ONT12:16
        Delta Air Lines|Reno - Ontario|Tue, Apr 22
        NZD 161
        NZD 161

        Choose Delta Air Lines flights from Reno to Ontario. The one-way connecting flight with Delta Air Lines departs from Reno-Tahoe International Airport on Tue, Apr 22, arriving at Ontario International Airport. One-way Prices start from NZD 161 including taxes and charges.

      • MFR11:50
        6h 30m
        1 stop
        ONT18:20
        Delta Air Lines|Medford - Ontario|Fri, May 30
        NZD 163
        NZD 163

        Choose Delta Air Lines flights from Medford to Ontario. The one-way connecting flight with Delta Air Lines departs from Rogue Valley International Airport on Fri, May 30, arriving at Ontario International Airport. One-way Prices start from NZD 163 including taxes and charges.

      • CLT17:45
        8h 57m
        1 stop
        ONT23:42
        Delta Air Lines|Charlotte - Ontario|Wed, Jun 4
        NZD 165
        NZD 165

        Choose Delta Air Lines flights from Charlotte to Ontario. The one-way connecting flight with Delta Air Lines departs from Charlotte Douglas International Airport on Wed, Jun 4, arriving at Ontario International Airport. One-way Prices start from NZD 165 including taxes and charges.

      • SMF05:45
        6h 31m
        1 stop
        ONT12:16
        Delta Air Lines|Sacramento - Ontario|Sun, Apr 20
        NZD 166
        NZD 166

        Choose Delta Air Lines flights from Sacramento to Ontario. The one-way connecting flight with Delta Air Lines departs from Sacramento International Airport on Sun, Apr 20, arriving at Ontario International Airport. One-way Prices start from NZD 166 including taxes and charges.

      • TUS17:14
        6h 27m
        1 stop
        ONT23:41
        Delta Air Lines|Tucson - Ontario|Tue, Apr 22
        NZD 178
        NZD 178

        Choose Delta Air Lines flights from Tucson to Ontario. The one-way connecting flight with Delta Air Lines departs from Tucson International Airport on Tue, Apr 22, arriving at Ontario International Airport. One-way Prices start from NZD 178 including taxes and charges.

      • DEN05:30
        4h 41m
        1 stop
        ONT09:11
        Delta Air Lines|Denver - Ontario|Wed, May 14
        NZD 179
        NZD 179

        Choose Delta Air Lines flights from Denver to Ontario. The one-way connecting flight with Delta Air Lines departs from Denver International Airport on Wed, May 14, arriving at Ontario International Airport. One-way Prices start from NZD 179 including taxes and charges.

      • GEG06:15
        4h 50m
        1 stop
        ONT11:05
        Delta Air Lines|Spokane - Ontario|Tue, Apr 22
        NZD 180
        NZD 180

        Choose Delta Air Lines flights from Spokane to Ontario. The one-way connecting flight with Delta Air Lines departs from Spokane International Airport on Tue, Apr 22, arriving at Ontario International Airport. One-way Prices start from NZD 180 including taxes and charges.

      • SHA1:00 PM
        3h 5m
        Nonstop
        ONT2:00 PM
        Delta Air Lines|Shanghai - Ontario|Mon, Apr 7
        Find More Flights
        Find More Flights

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

When is the cheapest time to fly to Ontario with Delta Air Lines?

Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.

There is 1 airport in Ontario. Find the most suitable Delta Air Lines flights to Ontario.

  • 12517.03 km from central Ontario
    Ontario International Airport
    Tickets From
    NZD 150

About Delta Air Lines

Airline Name
Delta Air Lines
Airline Code
DL
Airline Type
Full Service Carrier (FSC)
Airline Alliance
SkyTeam
Popular Countries Delta Air Lines Flies to:
China, Philippines and United States
Popular Delta Air Lines Arrival Cities
Popular Delta Air Lines Departure Cities
Based on Trip.com Historical Data

Delta Air Lines Flights to Ontario - FAQ

  • Does Delta Air Lines have baggage allowance?

    0-1 pieces of luggage are usually permitted for each economy class passenger traveling with Delta Air Lines (DL). This information can vary depending on your flight, so be sure to check your itinerary.

  • How to get cheap flights to Ontario?

    You can book cheaper flights in the following ways:
    • Search for tickets to a city or airport near Ontario.
    • Look up different airlines that have flights to Ontario.
    • Browse different departure dates from the same month.
    • Filter for different departure times from the same day.
    • Check for discount information on various social media sites.
    • Explore deals and discounts on airline websites.

  • What is the most popular month to visit Ontario?

    Understanding peak and off travel seasons to Ontario can help you arrange your travel plans accordingly. The most popular month to visit Ontario is May. The average price of flight tickets to Ontario in May is NZD 431.

  • When are the cheapest flights to Ontario?

    Flight tickets to Ontario are the cheapest in March compared to other months, the average price is NZD 723.

Contact Us

About

Other Services

Payment Methods
Our Partners
Copyright © 2025 Trip.com Travel Singapore Pte. Ltd. All rights reserved
Site Operator: Trip.com Travel Singapore Pte. Ltd.