Book Flights from Ontario to San Francisco

Traveling from Ontario, California, to San Francisco, California, is a popular route for both business and leisure travelers. The route from Ontario International Airport (ONT) to San Francisco International Airport (SFO) offers a quick and convenient way to explore the vibrant Bay Area. At CheapTravelASAP, we specialize in securing the best deals on domestic and international airline tickets, ensuring you get the most value for your travel budget. Whether you're looking for economy, business, or first-class flights, our team is here to help you book flights from ONT to SFO with ease. Contact us at +1-866-367-3016 to find the best fares today!

This comprehensive travel guide covers everything you need to know about booking flights from Ontario to San Francisco, including major airlines, class options, airport details, and tips for a seamless travel experience. Let’s dive into the details of the ONT to SFO route.

Why Fly from Ontario to San Francisco (ONT to SFO)?

The flight from Ontario International Airport (ONT) to San Francisco International Airport (SFO) is a short domestic route, typically taking about 1 hour and 20 minutes to cover approximately 364 miles. This makes it an ideal choice for a quick getaway to San Francisco, known for its iconic Golden Gate Bridge, vibrant cultural scene, and tech-driven economy.

Benefits of Flying ONT to SFO

• Convenience: Ontario International Airport (ONT) is a smaller, less crowded alternative to Los Angeles International Airport (LAX), offering a stress-free start to your journey.

• Frequent Flights: Multiple airlines operate daily flights on this route, providing flexibility in scheduling.

• Affordable Fares: With CheapTravelASAP, you can find competitive prices for economy, business, and first-class tickets.

• Proximity to Attractions: San Francisco International Airport (SFO) is just 13 miles from downtown San Francisco, making it easy to reach top destinations like Fisherman’s Wharf, Alcatraz Island, and Chinatown.

Major Airlines Operating ONT to SFO Flights

Several major airlines offer direct and connecting flights from Ontario to San Francisco. Below, we highlight the key carriers and their offerings across economy, business, and first-class cabins.

1. United Airlines

United Airlines is a primary carrier for the ONT to SFO route, operating multiple daily direct flights.

• Economy Class: Affordable fares with complimentary snacks and non-alcoholic beverages. Access to in-flight entertainment via personal devices.

• United Premium Plus (Business Class): Enhanced legroom, priority boarding, and premium dining options.

• First Class: Spacious seats, complimentary meals, and access to United Club lounges at SFO.

• Average Round-Trip Fares: Economy ($150–$250), Premium Plus ($300–$500), First Class ($500–$800).

• Booking Tip: Book early with CheapTravelASAP at +1-866-367-3016 to secure United’s lowest fares.

2. Alaska Airlines

Alaska Airlines offers direct flights from ONT to SFO with a focus on customer satisfaction.

• Economy Class: Comfortable seats, free snacks, and Wi-Fi access for streaming.

• Premium Class (Business Class): Extra legroom, priority boarding, and complimentary drinks.

• First Class: Luxurious seats, gourmet meals, and access to Alaska Lounge at SFO.

• Average Round-Trip Fares: Economy ($140–$230), Premium Class ($280–$450), First Class ($450–$700).

• Booking Tip: Alaska’s Mileage Plan offers great rewards; contact CheapTravelASAP to maximize savings.

3. Frontier Airlines

For budget-conscious travelers, Frontier Airlines provides low-cost options on the ONT to SFO route, often with connections.

• Economy Class: Ultra-low fares with optional add-ons like seat selection and baggage.

• Stretch Seating (Comparable to Business Class): More legroom and priority boarding for a small fee.

• First Class: Not available, but Stretch Seating offers a premium experience at a lower cost.

• Average Round-Trip Fares: Economy ($80–$150), Stretch Seating ($150–$250).

• Booking Tip: Book with CheapTravelASAP to avoid hidden fees and bundle services for savings.

4. Southwest Airlines

Southwest Airlines operates flights with a stopover (e.g., in Las Vegas or Phoenix) but is known for flexibility and no change fees.

• Economy Class: Two free checked bags, open seating, and complimentary snacks.

• Business Select: Priority boarding, extra Rapid Rewards points, and premium drink vouchers.

• First Class: Not available, but Business Select offers a near-premium experience.

• Average Round-Trip Fares: Economy ($120–$200), Business Select ($250–$400).

• Booking Tip: Southwest’s Low Fare Calendar can help you find deals; call +1-866-367-3016 for assistance.

Ontario International Airport (ONT) Overview

Ontario International Airport (ONT) is located in San Bernardino County, about 38 miles east of Los Angeles. It’s a traveler-friendly airport with modern amenities and easy access.

• Terminals: ONT has two main terminals (Terminal 2 and Terminal 4) serving domestic flights.

• Amenities: Free Wi-Fi, dining options (e.g., Rock & Brews, Starbucks), and shopping.

• Parking: Affordable short- and long-term parking with shuttle services.

• Transportation: Rideshare services (Uber, Lyft), taxis, and shuttles connect ONT to nearby areas.

• SEO Tip: When searching for flights, use “ONT airport” or “Ontario International Airport” to find the best deals.

San Francisco International Airport (SFO) Overview

San Francisco International Airport (SFO) is one of the busiest airports on the West Coast, known for its world-class facilities.

• Terminals: Four terminals (1, 2, 3, and International) with clear signage and efficient layouts.

• Amenities: Free Wi-Fi, diverse dining (e.g., Napa Farms Market), and luxury shopping.

• Lounges: Access United Club, Alaska Lounge, and American Express Centurion Lounge (for eligible passengers).

• Transportation: BART (Bay Area Rapid Transit), taxis, rideshares, and rental cars provide easy access to San Francisco.

• SEO Tip: Use “SFO airport” or “San Francisco International Airport” in searches for flight deals.

Tips for Booking ONT to SFO Flights

1. Book Early: Fares are typically lower when booked 21–60 days in advance.

2. Travel Off-Peak: Midweek flights (Tuesday, Wednesday) are often cheaper than weekends.

3. Use CheapTravelASAP: Our experts at +1-866-367-3016 can find exclusive deals and bundle discounts.

4. Check Nearby Airports: Consider flights from Los Angeles (LAX) or San Jose (SJC) for additional savings.

5. Join Loyalty Programs: Enroll in airline rewards programs to earn points for future travel.

Exploring San Francisco: Top Attractions

Once you land at SFO, San Francisco offers a wealth of experiences:

• Golden Gate Bridge: Walk or bike across this iconic landmark.

• Alcatraz Island: Take a ferry to explore the historic prison.

• Fisherman’s Wharf: Enjoy seafood, street performances, and Pier 39’s sea lions.

• Chinatown: Discover vibrant markets and authentic cuisine.

• Golden Gate Park: Visit museums, gardens, and biking trails.

For more travel inspiration, check out our guides on Cheap Flights from Islip to Myrtle Beach and Book Flights from Islip to West Palm Beach.

Conclusion

Booking flights from Ontario to San Francisco (ONT to SFO) with CheapTravelASAP ensures a hassle-free experience with competitive prices across economy, business, and first-class options. Major airlines like United, Alaska, Frontier, and Southwest offer diverse choices to suit your budget and preferences. Whether you’re visiting San Francisco for its cultural landmarks, business opportunities, or scenic beauty, our team is ready to assist. Call us at +1-866-367-3016 to secure the best ONT to SFO flight deals today!