Cheap flights To Adelanto (ONT) from $41

Earn rewards on top of your airline miles with Orbitz Rewards

Many airlines offer flexible change policies

Sign up to receive text alerts about your trip

Cheap Flights to Adelanto from $41 One Way, $52 Round Trip

Prices found within past 7 days. Prices and availability subject to change. Additional terms may apply.

Tue, Jul 15 - Tue, Jul 15
SFO
San Francisco Intl.
ONT
Los Angeles - Ontario Intl.
$52 Roundtrip, found 11 hours ago
$52
Roundtrip
found 11 hours ago
Select United flight, departing Tue, Jul 15 from San Francisco Intl. to Los Angeles - Ontario Intl., returning Tue, Jul 15, priced at $52 found 11 hours ago
Tue, Jul 15 - Tue, Jul 15
SFO
San Francisco Intl.
ONT
Los Angeles - Ontario Intl.
$57 Roundtrip, found 11 hours ago
$57
Roundtrip
found 11 hours ago
Select United flight, departing Tue, Jul 15 from San Francisco Intl. to Los Angeles - Ontario Intl., returning Tue, Jul 15, priced at $57 found 11 hours ago
Tue, Jun 24 - Tue, Jul 1
SFO
San Francisco Intl.
ONT
Los Angeles - Ontario Intl.
$68 Roundtrip, found 21 hours ago
$68
Roundtrip
found 21 hours ago
Select United flight, departing Tue, Jun 24 from San Francisco Intl. to Los Angeles - Ontario Intl., returning Tue, Jul 1, priced at $68 found 21 hours ago
Fri, Sep 12 - Mon, Sep 15
SFO
San Francisco Intl.
SBD
San Bernardino Intl.
$82 Roundtrip, found 6 hours ago
$82
Roundtrip
found 6 hours ago
Select Breeze Airways flight, departing Fri, Sep 12 from San Francisco Intl. to San Bernardino Intl., returning Mon, Sep 15, priced at $82 found 6 hours ago
Thu, Jun 26 - Mon, Jun 30
SFO
San Francisco Intl.
SBD
San Bernardino Intl.
$82 Roundtrip, found 4 days ago
$82
Roundtrip
found 4 days ago
Select Breeze Airways flight, departing Thu, Jun 26 from San Francisco Intl. to San Bernardino Intl., returning Mon, Jun 30, priced at $82 found 4 days ago
Wed, Jul 23 - Wed, Jul 23
SFO
San Francisco Intl.
ONT
Los Angeles - Ontario Intl.
$84 Roundtrip, found 12 hours ago
$84
Roundtrip
found 12 hours ago
Select United flight, departing Wed, Jul 23 from San Francisco Intl. to Los Angeles - Ontario Intl., returning Wed, Jul 23, priced at $84 found 12 hours ago
Wed, Jul 30 - Wed, Jul 30
SFO
San Francisco Intl.
ONT
Los Angeles - Ontario Intl.
$85 Roundtrip, found 2 days ago
$85
Roundtrip
found 2 days ago
Select United flight, departing Wed, Jul 30 from San Francisco Intl. to Los Angeles - Ontario Intl., returning Wed, Jul 30, priced at $85 found 2 days ago
Fri, Aug 15 - Sun, Aug 17
SFO
San Francisco Intl.
ONT
Los Angeles - Ontario Intl.
$99 Roundtrip, found 1 hour ago
$99
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Fri, Aug 15 from San Francisco Intl. to Los Angeles - Ontario Intl., returning Sun, Aug 17, priced at $99 found 1 hour ago
Fri, Aug 15 - Sat, Aug 16
DEN
Denver Intl.
ONT
Los Angeles - Ontario Intl.
$138 Roundtrip, found 15 hours ago
$138
Roundtrip
found 15 hours ago
Select Frontier Airlines flight, departing Fri, Aug 15 from Denver Intl. to Los Angeles - Ontario Intl., returning Sat, Aug 16, priced at $138 found 15 hours ago
Sat, Aug 23 - Sat, Aug 30
SEA
Seattle - Tacoma Intl.
ONT
Los Angeles - Ontario Intl.
$149 Roundtrip, just found
$149
Roundtrip
just found
Select Frontier Airlines flight, departing Sat, Aug 23 from Seattle - Tacoma Intl. to Los Angeles - Ontario Intl., returning Sat, Aug 30, priced at $149 just found

Adelanto Flight Information

Traveling To
Adelanto
Destination Airport IATA Code
ONT
Number of Airlines Serving
Airlines
Breeze Airways, United, Frontier Airlines, Southwest Airlines
Flight Price
$52
Earliest Departing Flight
Latest Departing Flight

Book Your Flight & Hotel Together & Save

Adelanto economy flight packages

Price found within the past 48 hours. Click for updated prices.
Hotel Seville
2.0-star property

Hotel Seville

Jul 17 - Jul 20

3 night stay

Houston (IAH) to Ontario (ONT)

Spirit Airlines • Roundtrip • Coach
per person
found 1 day ago
Super 8 by Wyndham Upland Ontario CA
2.0-star property

Super 8 by Wyndham Upland Ontario CA

Aug 1 - Aug 9

8 night stay

Seattle (SEA) to Ontario (ONT)

Southwest Airlines • Non-stop • Coach

Ontario (ONT) to Seattle (SEA)

Delta • Non-stop • Coach
per person
found 18 hours ago
Days Inn by Wyndham Riverside Tyler Mall
2.0-star property

Days Inn by Wyndham Riverside Tyler Mall

Aug 1 - Aug 9

8 night stay

Seattle (SEA) to Ontario (ONT)

Southwest Airlines • Non-stop • Coach

Ontario (ONT) to Seattle (SEA)

Delta • Non-stop • Coach
per person
found 18 hours ago
Don't see what you're looking for?
See all available trips from Houston to Adelanto
View all trips

Adelanto premium economy flight packages

Price found within the past 48 hours. Click for updated prices.
Delta Hotels by Marriott Ontario Airport
3.0-star property

Delta Hotels by Marriott Ontario Airport

9/10 Wonderful! (99 reviews)

Jul 17 - Jul 20

3 night stay

Houston (IAH) to Ontario (ONT)

Delta • PremiumEconomy

Ontario (ONT) to Houston (IAH)

United • PremiumEconomy
per person
found 1 day ago
Everything was good just the elevator is kinda far from everything.

Reviewed on May 31, 2025

Don't see what you're looking for?
See all available trips from Houston to Adelanto
View all trips

Adelanto

End your search for discount fares on flights to Adelanto. Orbitz has all the best prices on Adelanto flights. With Orbitz, you can expect:

Cheap Deals on Flights to Adelanto

We offer big discounts and last-minute savings on Adelanto flights. We make it easy for you to research, plan, and book your flight to Adelanto — all while offering great low fares. With guaranteed low prices and cutting-edge mobile tools, the perfect trip begins on Orbitz.

Travel Convenience on the Go

Get alerts, updates, or book your Adelanto flight or other flights wherever you are. Download our free apps for iPhone, Android, and iPad or visit our mobile site at m.orbitz.com to conveniently review or change your air travel plans. We can also send free alerts about your Adelanto flight to your email or mobile phone, so you get advance warning about potential disruptions and flight delays. Need to book a hotel with your Adelanto flight? Access exclusive, mobile-only deals via our mobile site and free apps – even on the same day.

Great Customer Care

We want to make your travel booking experience smooth and easy, from planning and researching Adelanto flights to the actual booking. If you want to cancel your flight to Adelanto, many tickets can be conveniently cancelled online. Contact our Customer Service to make changes to your air ticket.

Miles or Points Toward Frequent Flyer Programs

Much like booking with an airline directly, you can earn frequent flyer miles or points on qualified flights to Adelanto with Orbitz. When completing your booking, just fill in your frequent flyer number for the airline you are flying with or for one of its available partner airlines.

Frequently asked questions

Which airlines fly to Adelanto?
You can select from 20 airlines that fly in and out of Los Angeles - Ontario Intl. Airport (ONT), the main airport in the city. With plenty of options, you’re sure to walk away with an incredible deal. Here are some of the major international airlines that’ll get you to Adelanto:

  • Volaris - 9 flights to Adelanto per month
  • China Airlines - 3 flights to Adelanto per month
  • Avianca - 3 flights to Adelanto per month

How much is a flight to Adelanto?
Lots of terrific deals were there for the taking this week, with return flights to Adelanto ranging from $52 to $149. But it was passengers flying in from San Francisco (SFO) who scored the biggest bargains. One-way tickets to Adelanto started at a low $41.
How to book the cheapest flight to Adelanto?
With some of the most impressive flight deals around, bagging a bargain is easy with Orbitz. The following handy hints will help you snap up cheap flights to Adelanto — and leave you with more money in your pocket:

  • Departing from or arriving at other airports can work out cheaper. Enter your preferred departure and arrival airports. Next, select the ‘Nearby airports’ function below to compare your options.
  • If you’re flexible with your travel plans, click on the ‘Show flexible dates’ option. It’ll bring up flight deals for the days around your chosen departure. Fares often vary depending on what day of the week it is.
  • You can also select the ‘Show options’ function to filter results for your preferred airline, seating class, nonstop flights and refundable flights. Under ‘Sort & Filter’ to the left, you can even choose the time of day you’d prefer to fly.
  • Reserve your seat as soon as you’ve figured out your travel dates. While it does happen from time to time, flights rarely get more affordable as your date of departure nears.
  • Consider combining your hotels, flights and car rentals into one convenient package deal to stretch your budget even further.
  • If practical, avoid flying in the most popular seasons. Airfares significantly increase during summer, school breaks and other vacation periods like Thanksgiving and Christmas.

What is the best time to book a flight to Adelanto?
Pick up a bargain and secure your seats to Adelanto in January. If you’ve missed this month, fear not. February and August often have affordable airfares as well. Just be careful you don’t sleep on a sale — cheap flights emerge and disappear in a flash!
What day of the week is the cheapest to book a flight to Adelanto?
Make a booking on a Tuesday, Wednesday or Saturday. Typically, these are the cheapest days of the week to purchase fares to Adelanto. The vacation of your dreams starts with an incredible flight deal!
What is the cheapest day of the week to fly to Adelanto?
You can pick up cheap flights to Adelanto by flying out on a Monday, according to Orbitz data from 2020. Tuesday is the next most affordable day, while Saturday has the most costly ticket prices. Whether you prefer to save money or start your trip whenever is convenient, you’ll always find a rewarding deal with Orbitz.
What is the cheapest month to fly to Adelanto?
Get set to jet for less in August. This is generally an excellent month to take off if you want cheap flights to Adelanto, Orbitz data shows. The least affordable time to fly is June, so avoid this month if possible.
Which airlines allow free cancellation?
If you’re concerned your travel plans could change, Orbitz can help you find a flexible fare. All you need to do is choose “Filter by flexible change policies” when searching for your Adelanto flights. We’ll show you all the airlines that offer free cancellation and no change fees — all on top of irresistibly low prices.
What do I need for the flight to Adelanto?
The trick to a comfortable and successful flight is being well prepared. Listed below are a few tips to help you get ready for your adventure:

  • Whether you print it out or use an electronic one, you’ll need your boarding pass to step foot on the plane. You’ll also need some kind of government-issued identification. If you’re flying internationally, make sure your passport is valid and you’ve checked visa requirements.
  • To keep you entertained on the short hop to Adelanto, download some new tunes or stock up the podcast library on your tablet. Food can also be a nice distraction while in the air, so pack a snack.
  • It can get cold on the plane. If you don’t like the idea of shivering your way through the flight, pack an extra layer.

How do I get cheap first-class/business deals to Adelanto?
Savvy travelers have a way of finding first or business-class flights to Adelanto that don’t cost a packet. You can do the same with these helpful tips:

  • Flexibility isn’t just a yoga thing. Have some room to move around your travel dates so you can pick up cheaper airfares when a huge sale drops.
  • Low-cost airlines offer business-class seating at a fraction of the normal price. Give the full-service carriers a miss and look into these cheaper options.
  • Bid for an upgrade in online auctions (if available) or upgrade your ticket with your frequent flyer points.

What is the best time to go to Adelanto?
Adelanto is popular in March, April and July. If you’re contemplating visiting during these months, it would be a good idea to book ahead of time to ensure you land the greatest deals. Wondering what summertime’s like in Adelanto? Average daily temperatures normally fluctuate between 65 ºF and 85 ºF. Like many destinations in the Northern Hemisphere, summertime commences June 20 here.

Nearby

Book on Expedia

Fare, taxes & fees: Fares include all taxes and fees, except baggage fees. Rates shown reflect fares found by other Orbitz users over the past 7 days. Due to rapidly changing airline prices & seat availability, these fares may no longer be available.

Refunds/changes/cancellations: Itinerary changes, if permitted for the fare, will have a $30 service fee charged by Orbitz. Additional airline charges may apply.

Other conditions: Schedules, fares and rules are subject to change without notice. Seats are limited and may not be available on all flights/dates or in all markets. Lower fares may be available. Fares will not be honored retroactively or in exchange for any wholly/partially unused ticket. Tickets are non-transferable and non-refundable. Fare rules are provided for the selected itinerary before booking.