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Ontario · United States
ONTOntario International Airport lounges
Compare 3 lounges by terminal, price, facilities and booking availability before you fly.
Lounge options3
Terminal coverage3
Entry fromCheck access
Online bookingCheck access
See lounge options 3 lounges at ONT
Choose the lounge that fits your flight
Start with the terminal on your boarding pass, then compare price, facilities, security zone and booking availability.
Compare access methods
Compare access methods
Facilities in current listings
- Non-Smoking
- Snacks
- TVs
- Wi-Fi
- Beer & Wine
- Flight Monitors
Administrative Building
1 lounge
Eligibility requiredUSO Lounge
★ 3.52 reviewsONT · Administrative Building
Children's Area · Internet Terminals · Newspapers & Magazines · Non-Smoking · +3 more
- Access
- Eligibility required
- Hours
- Confirm before travelling
Check access
Terminal 2
1 lounge
Eligibility requiredONT · Terminal 2
Beer & Wine · Flight Monitors · Non-Smoking · Premium Food · +5 more
- Access
- Eligibility required
- Hours
- Confirm before travelling
Check access
Terminal 4
1 loungeEligibility requiredONT · Terminal 4
Beer & Wine · Flight Monitors · Non-Smoking · Premium Food · +5 more
- Access
- Eligibility required
- Hours
- Confirm before travelling
Check access
Airport overview
Plan your visit to Ontario International Airport.
Ontario International Airport serves Ontario, United States. The current Lounge Finder catalogue covers 3 lounges across Administrative Building, Terminal 2, Terminal 4.
Location summaryOntario, California, United States
Top rated in the current catalogueUSO Lounge · 3.5/5 from 2 reviews
Before you choose
Know before you go.
Terminal accessUse the terminal printed on your boarding pass. Current listings cover Administrative Building, Terminal 2, Terminal 4.
Security zoneConfirm whether the lounge is airside or landside before booking.
Changing terminalsAllow extra time and confirm that your ticket and airport controls permit the transfer.
Price and availabilityReview each listing for its current access method.
Read the airport lounge access guideQuick answers
ONT airport lounge FAQs
Essential details for choosing and booking the right lounge for your flight.
How many lounges are listed at Ontario International Airport?
3 lounges are currently listed across 3 terminal areas. Use the terminal filter to narrow the options you can reach.
Which ONT terminal has lounge access?
The current directory includes Administrative Building, Terminal 2, Terminal 4. Always match the terminal and security zone to the details on your boarding pass before choosing access.
How much does lounge access at ONT cost?
Published access prices are not available for every lounge yet. Open a lounge listing to compare its current access methods and booking conditions.
Can I book a Ontario International Airport lounge online?
Online booking is not currently connected for these listings. Review each lounge’s access details or contact traveller support for help with other entry methods.
Which ONT lounges accept walk-in access?
No ONT listing is currently marked for walk-in access. Check individual lounge access rules for eligible tickets, memberships, cards or advance booking options.
Are lounge opening hours published for ONT?
Opening hours are not yet published in the current airport directory. Confirm directly with the lounge or operator before travelling.
What is the highest-rated lounge at ONT?
USO Lounge is currently the highest-rated ONT listing in this catalogue at 3.5/5 from 2 reviews. Ratings are only one comparison point; also check terminal access, facilities, opening hours and eligibility.