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Portland to Ontario Flights

Age of children at time of trip

We will search for applicable airfare discounts. Must have 1 adult for each infant in lap

Portland and Ontario airports and terminals

Airports in Portland ME, US
map of airports in Portland
  • 1

    Portland Airport (PWM)

    Distance from City Center: 2.9 miles

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Airports in Ontario CA, US
map of airports in Ontario
  • 1

    Ontario International Airport (ONT)

    Distance from City Center: 0.9 miles

  • 2

    Long Beach Municipal (LGB)

    Distance from City Center: 34.9 miles

  • 3

    Bob Hope (BUR)

    Distance from City Center: 43.6 miles

  • 4

    John Wayne Airport (SNA)

    Distance from City Center: 30.6 miles

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Cheap flights from Portland to Ontario

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Highlighted price = Cheapest round-trip flights

Prices are round trip per person (conditions apply)

Featured Ontario Airport Hotels

Hotel only $68

Radisson Hotel Ontario Airport

3 stars
3.9 / 5 44 reviews

2200 EAST HOLT BOULEVARD Map

Save 30% on your stay

The Radisson Ontario Airport, just 1.6 miles from the Ontario International Airport, offers complimentary airport shuttle service to get your business trip or vacation off to the perfect start.... More

Hotel only $101

Holiday Inn ONTARIO AIRPORT

3 stars
4.3 / 5 61 reviews

2155 E. Convention Center Way Map

...Ontario International Airport (0.8 mi/2 km) Ontario Convention Center (0.2 mi/0.4 km).... Executive suites available Centrally located Ontario hotel close to the airport and shopping... More

Hotel only $105

Fairfield Inn by Marriott Ontario

3 stars
3.8 / 5 46 reviews

3201 East Centrelake Drive Map

Cozy, economical hotel close to Ontario airport and major attractions Fairfield Inn by Marriott Ontario offers a comfortable, tranquil guest experience, just minutes away from Ontario... More

Hotel only $132

Residence Inn by Marriott Ontario Airport

3 stars
4.0 / 5 25 reviews

2025 Convention Center Way Map

...The Residence Inn by Marriott Ontario Airport hotel offers 200 apartment-style suites with fully equipped kitchens.... The Residence Inn Ontario Airport hotel is less than a mile from the... More

Hotel only $92

Ayres Hotel & Suites Ontario Airport

3 stars
4.2 / 5 23 reviews

1945 Holt Blvd. Map

A Flurry of Savings – Save 20% on Your Stay

...Located 1/2 mile NW of The Ontario International Airport.... More

Hotel only $75

Red Lion Hotel Ontario Airport

2 stars
4.2 / 5 56 reviews

204 North Vineyard Map

Free Breakfast

The Red Lion Hotel Ontario Airport is conveniently located 1.5 miles from Ontario International Airport and next to the Ontario Convention Center.... More

February

Lowest roundtrip airfare in February from Portland to Ontario

Travel dates Departure Arrival Stops: Round-trip
Leave Wed, Feb 18 Portland (PWM) Ontario (ONT) US Airways $388
Earn $3.88
Return Mon, Feb 23 Ontario (ONT) Portland (PWM) US Airways
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Portland to Ontario Intro 14

Orbitz combines guaranteed low prices with cutting-edge mobile tools for travel from Portland to Ontario to give you a travel experience that is second to none.

Bargain Travel at Your Fingertips

Orbitz provides the cheapest fares from Portland to Ontario. When reserving your flight you can mix and match a range of low cost airlines for you departing and returning domestic or international flights. This way you can travel on a budget while selecting the flights that suit your schedule.

Modern Tools for Fast-Paced Travel

Orbitz makes use of the latest technology to ensure that you are always kept up-to-date on the status of your Portland to Ontario flights. Through easy-to-use mobile Android and iPhone apps you can book low cost flights from Portland to Ontario and choose a range of cheap hotels to stay in.

Enjoy Stress-Free Travel with Flight Alerts

Once you have booked your flights from Portland to Ontario on Orbitz you will always be kept informed of any changes to your flight. When you opt into Orbitz’s free email and SMS alerts on your Portland to Ontario flights you can ask Orbitz to send the flight details to up to 6 other contacts, so keeping your family and business team informed is a cinch.

Frequent Flyer Program

For loyal Orbitz customers who fly from Portland to Ontario the chance to join our frequent flyer program is an added bonus. Simply log-on to your online account and input your frequent flyer number for future flights.