Other Options for This Route
Ontario (ONT) to San Francisco (SFO) in October from $146
From $146
Ontario (ONT) to San Francisco (SFO) in November from $33
From $33
Ontario (ONT) to San Francisco (SFO) in November from $144
From $144
Best Flights starting from $235
from$235economy
Ontario (ONT)
Sat, Dec 12
Roundtrip
San Francisco (SFO)
Thu, Dec 24
from$239economy
Ontario (ONT)
Tue, Dec 15
Roundtrip
San Francisco (SFO)
Sun, Dec 27
from$239economy
Ontario (ONT)
Wed, Dec 16
Roundtrip
San Francisco (SFO)
Mon, Dec 28
from$259economy
Ontario (ONT)
Sun, Dec 13
Roundtrip
San Francisco (SFO)
Fri, Dec 25
from$259economy
Ontario (ONT)
Mon, Dec 14
Roundtrip
San Francisco (SFO)
Sat, Dec 26
from$369economy
Ontario (ONT)
Fri, Dec 11
Roundtrip
San Francisco (SFO)
Wed, Dec 23
Fields updated — click View Prices to search ↑
Other Options for This Route
Other Destinations
Ontario (ONT) to Phoenix (PHX) in December from $227
From $227
Ontario (ONT) to Guadalajara (GDL) in December from $354
From $354
Ontario (ONT) to Laredo (LRD) in December from $419
From $419
Ontario (ONT) to Mexico City (Any) in December from $549
From $549
Ontario (ONT) to Silao (BJX) in December from $687
From $687
Ontario (ONT) to San Pedro Sula (SAP) in December from $775
From $775
Flights from Other Cities
Dallas (Any) to San Francisco (SFO) in December from $54
From $54
Atlanta (Any) to San Francisco (SFO) in December from $65
From $65
Vancouver (Any) to San Francisco (SFO) in December from $73
From $73
Miami (MIA) to San Francisco (SFO) in December from $96
From $96
Atlanta (ATL) to San Francisco (SFO) in December from $99
From $99
San Diego (Any) to San Francisco (SFO) in December from $104
From $104
✈️ Flight Guide: Ontario (ONT) → San Francisco (SFO)
Complete travel information for your December journey
Departing from Ontario (ONT) FAQs
To find the cheapest SFO to LAS flights in March, compare fares across low-cost carriers like Southwest and Frontier and legacy airlines on metasearch engines. Book 21–45 days in advance and target midweek departures (Tuesday–Thursday) to secure lower economy fares. Use fare alerts and flexible-date search to catch flash sales and reduced-price nonstop flights.
For domestic economy departures at San Francisco International Airport (SFO), arrive at least 90 minutes before scheduled departure; allow 2 hours during peak travel days or holiday weekends. Use TSA PreCheck if eligible to speed security, and check-in online to avoid long ticketing lines. BART, airport shuttles, and rideshares serve SFO—factor transit time into your plans.
Yes — multiple carriers operate frequent nonstop flights between San Francisco International Airport (SFO) and Harry Reid International Airport (LAS). Typical nonstop flight times are about 1 hour 40 minutes to 2 hours. Nonstop flights are usually the fastest and often the best value for short-haul economy travel.
San Francisco International Airport (SFO) serves the Bay Area and is a convenient gateway to nearby major cities such as Oakland, San Jose, Sacramento, Napa Valley, and Monterey. Many travelers use SFO to connect to regional road trips and domestic flights across California and the western U.S.
Baggage policies vary by airline; most economy basic fares on carriers flying from San Francisco International Airport (SFO) to Las Vegas charge for checked bags and sometimes for carry-ons, especially on ultra-low-cost airlines. Review the airline's baggage allowance before booking and consider adding checked baggage during online check-in to save. Loyalty status or credit cards may waive fees.
December is a busy time at San Francisco International Airport (SFO): expect higher fares, fuller flights, and longer security lines around holidays. Book early, choose off-peak days (midweek), and allow extra time for parking and ground transport. Consider flexible fares and travel insurance to protect against delays or cancellations.
Arriving at San Francisco (SFO) FAQs
On arrival at Harry Reid International Airport (LAS) you'll go through domestic arrival procedures, pick up checked bags at the baggage claim, and proceed to ground transportation. Expect a compact terminal layout but allow extra time during major conventions; rideshare pickup areas and rental car facilities are well-signed.
Yes — the most cost-effective options from Harry Reid International Airport (LAS) to the Las Vegas Strip include shared shuttles, RTC public bus service (Deuce/SDX lines), and rideshares during off-peak hours. For economy travelers, public buses and shared shuttles offer the best value; book dedicated shuttle services in advance during busy event weekends.
Harry Reid International Airport (LAS) is a gateway not only to the Las Vegas Strip and downtown Las Vegas but also a convenient starting point for trips to nearby major cities such as Los Angeles, Phoenix, San Diego, Salt Lake City, and Reno. Many travelers combine Las Vegas with desert excursions and regional road trips.
Arrival fares to Harry Reid International Airport (LAS) from hubs like San Francisco International Airport (SFO) tend to be lowest in shoulder seasons such as late winter (January–February) and late September. Avoid big event dates like CES in January or major sporting events when fares spike.
Economy passengers should confirm checked baggage allowances before travel to Harry Reid International Airport (LAS) to avoid unexpected fees at arrival baggage claim. Keep essentials in a carry-on, track checked luggage with airline apps, and consider priority recovery services if you have tight onward connections.
December arrival volumes at Harry Reid International Airport (LAS) can increase around holiday weekends and New Year’s Eve, especially for late-night arrivals to the Strip. Expect higher ride-share wait times and busy baggage claim; plan extra time and consider pre-booking airport transfers for stress-free arrival in Las Vegas.
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Events & Festivals — Impact on Fares for San Francisco International Airport (SFO) to LAS
Key events that affect SFO–LAS pricing include CES (January) in Las Vegas, major conventions and concerts (year-round), Super Bowl hosting years, and Las Vegas-based festivals like Electric Daisy Carnival (typically May). Bay Area events such as Outside Lands (August) and major tech conferences out of San Francisco can also influence departure demand at San Francisco International Airport (SFO). Check event calendars before booking and consider shifting travel by a few days to avoid inflated economy fares caused by large conventions or festival weekends.
Best Time to Fly — San Francisco International Airport (SFO) to Harry Reid International Airport (LAS)
The best time to fly from San Francisco International Airport (SFO) to Harry Reid International Airport (LAS) for cheap economy fares is during shoulder seasons (late January–February and September). Midweek travel (Tuesday–Thursday) and off-peak hours (early morning or late night) yield the lowest prices. Avoid major Las Vegas events such as CES (January) or major sporting events and long holiday weekends—these drive prices up. For best value, book 3–6 weeks in advance for economy travel on this short-haul route.
Direct vs Connecting — San Francisco International Airport (SFO) to Harry Reid International Airport (LAS)
For the SFO to LAS route, nonstop (direct) flights from San Francisco International Airport (SFO) to Harry Reid International Airport (LAS) are widely available and usually the fastest and most convenient option for economy travelers. Connecting flights are rare and generally unnecessary on this short route, but may appear if searching for ultra-low fares or specific loyalty redemptions. Choose nonstop flights for minimal travel time and fewer disruption risks; consider connecting itineraries only if they offer substantial savings or align with specific schedules.
Airline Comparison — Cheap Economy Options from San Francisco International Airport (SFO) to Harry Reid International Airport (LAS)
Major carriers on the SFO–LAS corridor include Southwest Airlines, Alaska Airlines, United Airlines, and Delta Air Lines, plus ultra-low-cost operators at times. Southwest often has competitive economy fares with two free checked bags, making it a strong choice for budget travelers. Alaska and United offer frequent nonstop service with loyalty program benefits and convenient schedules from San Francisco International Airport (SFO). Compare ticket types (basic economy vs standard economy) for baggage and seat assignment rules. Use price comparisons and factor in baggage fees and change policies to find the true cheapest option.
Seasonal Travel Tips — San Francisco International Airport (SFO) to Harry Reid International Airport (LAS)
Seasonal travel tips for the SFO–LAS route: In winter (Dec–Feb) expect holiday surges and occasional winter storms affecting SFO connections; book early and give extra transit time. Spring (Mar–May) and fall (Sep–Nov) are best for lower fares and mild weather—target midweek flights. Summer (Jun–Aug) is peak season with higher prices; choose red-eye or very early morning departures to save. Always check baggage policies, arrive at San Francisco International Airport (SFO) early during peak months, and pre-book ground transport at Harry Reid International Airport (LAS) during conventions. LSI keywords: seasonal airfare tips, travel packing for Las Vegas, SFO seasonal schedules.
Flight Time & Schedules — San Francisco International Airport (SFO) to LAS
Typical nonstop flight time from San Francisco International Airport (SFO) to Harry Reid International Airport (LAS) is approximately 1 hour 40 minutes to 2 hours depending on winds and routing. Major carriers operate frequent daily schedules with peak morning, mid-afternoon, and evening departures; the earliest flights often depart before 6:00 AM local time, and the last nonstop services usually leave late evening. For schedule-sensitive travelers, mid-morning flights often have better on-time performance. Use airline apps and the San Francisco International Airport schedule board to monitor live departures.
Cheap Flights — San Francisco International Airport (SFO) to Harry Reid International Airport (LAS)
Cheap flights between San Francisco International Airport (SFO) and Harry Reid International Airport (LAS) are most often found in shoulder months (January–February, September) and by booking midweek departures. Primary strategies include using fare comparison engines, signing up for price alerts, and searching for early-morning or red-eye economy flights. Secondary approaches: check low-cost carriers, clear browser cookies or use incognito windows for repeated searches, and consider nearby airports like Oakland and San Jose if combined savings justify extra ground transport time. LSI keywords used: budget flights SFO LAS, discounted San Francisco to Las Vegas tickets, economy airfare deals.