Other Destinations
Durham (RDU) to Atlanta (ATL) in May from $28
From $28
Durham (RDU) to Tampa (Any) in May from $28
From $28
Durham (RDU) to Miami (MIA) in May from $38
From $38
Durham (RDU) to Atlanta (ATL) in May from $56
From $56
Durham (RDU) to Fort Lauderdale (FLL) in May from $56
From $56
Durham (RDU) to Fort Lauderdale (Any) in May from $56
From $56
Flights from Other Cities
Denver (Any) to Ontario (ONT) in May from $40
From $40
Denver (Any) to Ontario (ONT) in May from $56
From $56
Las Vegas (LAS) to Ontario (ONT) in May from $56
From $56
Omaha (OMA) to Ontario (ONT) in May from $80
From $80
Cleveland (Any) to Ontario (ONT) in May from $86
From $86
Grand Rapids (GRR) to Ontario (ONT) in May from $86
From $86
✈️ Flight Guide: Durham (RDU) → Ontario (ONT)
Complete travel information for your May journey
Travelers departing Raleigh-Durham International Airport (RDU) in May should expect spring weather, moderate security lines and increased demand around Memorial Day. Popular nearby origins include Raleigh, Durham, Chapel Hill and Cary; many flyers connect through Dallas-Fort Worth (DFW), Atlanta (ATL) or Chicago (ORD) to reach Ontario International Airport (ONT). For the best May fares and flight times, compare American Airlines, Delta, United and Alaska routes, set Google Flights alerts for RDU to ONT flights, and choose midweek departures. Book now to secure early-bird pricing and favorable itineraries — search RDU to ONT flights and lock in your May travel plans.
Departing from Durham (RDU) FAQs
Nonstop flight options between Raleigh-Durham International Airport (RDU) and Ontario International Airport (ONT) are limited; most itineraries in May have one stop and average about 5 to 7 hours of total airborne time with a typical single connection. When factoring in layovers through hubs such as Dallas-Fort Worth (DFW), Atlanta (ATL), or Denver (DEN), total door-to-door travel in May commonly ranges from 7 to 10+ hours depending on connection length. Check real-time schedules and book earlier for Memorial Day weekend travel to secure the best times.
Direct flights between Raleigh-Durham International Airport (RDU) and Ontario International Airport (ONT) are rare and typically not scheduled as a regular nonstop route in May; most travelers fly with one connection through major hubs like Dallas-Fort Worth (DFW), Atlanta (ATL), or Chicago O'Hare (ORD). To find the best nonstop or single-connection options, search major carriers' schedules and use price alerts for RDU to ONT flights.
To find cheap RDU to ONT flights in May, search flexible dates (midweek departures are usually cheaper), set fare alerts on Google Flights or Skyscanner, and compare offers from American Airlines, Delta, United and Alaska Airlines. Book 3–8 weeks in advance for domestic May travel, avoid peak Memorial Day weekend if possible, and consider early-morning or red-eye connections to lower fares. Use a fare comparison tool and include nearby airports like Raleigh-Durham and Los Angeles area options for extra deals.
In May, Raleigh-Durham International Airport (RDU) experiences moderate spring travel volumes with busy periods around Memorial Day weekend and graduations; arrive 90 minutes before domestic flights and 2 hours for complex itineraries. Expect standard TSA screening procedures, potential lines during peak morning and evening waves, and efficient curbside and kiosk check-in options. Sign up for airline alerts and use mobile boarding passes to streamline your trip.
Raleigh-Durham International Airport (RDU) provides short-term and long-term parking, economy lots and ride-share pickup zones that operate year-round in May. For holiday spikes such as Memorial Day weekend, reserve airport parking in advance or use offsite parking shuttles for savings. RDU is well-served by rental car companies, regional shuttles, and ride-share services connecting to Raleigh, Durham, Chapel Hill and nearby Cary.
May in the Raleigh-Durham region usually brings mild to warm temperatures with averages from the mid-60s to mid-70s °F and occasional spring showers; plan for light layers and a small umbrella. Weather disruptions are uncommon but can cause moderate delays on storm days, so check forecasts and flight status before heading to the airport. For connection planning, allow extra time if severe thunderstorms are forecast across the Southeast.
Arriving at Ontario International Airport (ONT) in May gives travelers access to Los Angeles, Anaheim (Disneyland), Riverside and the Inland Empire with typically pleasant spring weather. Expect efficient arrivals processing with good rental car availability and ride-share pickup zones; however, book ahead for Memorial Day weekend and major concerts or sports events in the LA area. If you’re flying from Raleigh-Durham International Airport (RDU), plan for single-connection itineraries and arrive prepared for regional traffic when heading to Anaheim or downtown Los Angeles. Need a stress-free arrival? Pre-book a shuttle or reserve a rental car to bypass peak-day waits — search RDU to ONT flights and plan your May arrival today.
Arriving at Ontario (ONT) FAQs
Ontario International Airport (ONT) is well-positioned for access to Los Angeles, Anaheim, Riverside and San Bernardino. In May, travelers can use rental cars, ride-share services, shuttle buses and regional transit; typical drives to Anaheim or Disneyland take about 25–40 minutes depending on traffic, while downtown Los Angeles is approximately 40–60 minutes. For busy May weekends, consider pre-booking shared shuttles or rental cars and monitor traffic patterns on I-10 and I-15.
Arrivals at Ontario International Airport (ONT) in May typically see smooth baggage handling and staffed rental car counters; however, holiday spikes like Memorial Day can create longer lines. Allow 30–60 minutes for baggage claim and use the airport’s ground transportation center for shuttle, taxi and ride-share pickups. For faster service, enroll in trusted traveler programs and verify your airline’s baggage policies before travel.
In May, there are typically no special federal travel restrictions specific to Ontario International Airport (ONT), though local health advisories and airline-specific requirements may apply. Check current CDC and California public health guidance prior to travel, and confirm carrier policies for masks or testing if concerned. Stay updated via ONT and airline notifications for any late-breaking notices affecting arrivals or connections.
From Ontario International Airport (ONT), you can quickly access Los Angeles, Anaheim (Disneyland), San Bernardino, Riverside and Orange County attractions; May is ideal for outdoor activities and theme parks. Use ONT as a gateway to Southern California — combine airport transfers with local buses or rental cars to reach beaches, theme parks and downtown LA events during the busy May travel season.
Ontario International Airport (ONT) sees moderate passenger volumes in May, with peak arrival times typically in the late afternoon and early evening as West Coast flights arrive. Expect higher crowds around Memorial Day weekend and during local events in the Inland Empire and Los Angeles area. For a calmer arrival experience, aim for early-morning or midday flights and monitor your airline’s arrival updates.
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May Events & Festivals for Travelers — From Raleigh-Durham (RDU) to Ontario (ONT)
May travel between Raleigh-Durham International Airport (RDU) and Ontario International Airport (ONT) coincides with key spring events that affect demand and ground transportation. Expect increased passenger volumes around Memorial Day weekend, local college graduations in the Raleigh/Durham area, and Anaheim/Los Angeles springtime attractions such as Disneyland crowds and MLB games (Los Angeles Angels). For quieter travel, avoid holiday weekends; if attending events, reserve accommodations and rental cars in advance. Use local event calendars for Raleigh, Durham, Los Angeles and Inland Empire to align arrival/departure timing and avoid traffic bottlenecks on I-10 and I-15.
Best Time to Fly from Raleigh-Durham (RDU) to Ontario (ONT) — May Travel Advice
For May travel from Raleigh-Durham International Airport (RDU) to Ontario International Airport (ONT), the best time to fly often falls on midweek days (Tuesday–Thursday) and during early morning or late-night departures to avoid crowds and secure lower fares. Avoid peak holiday windows like Memorial Day weekend when airport traffic and hotel rates climb. If you value short total travel time, prioritize itineraries with a single brief layover (less than 90 minutes) through major hubs. Book 3–8 weeks in advance for domestic May trips to balance price and availability. Ready to plan? Search RDU to ONT flights for midweek availability and compare direct vs. connecting options.
Direct vs. Connecting Flights RDU to ONT — Which Is Right in May?
Direct flights (when available) minimize travel time and reduce risk of missed connections, making them ideal for tight schedules; however, consistent nonstop RDU to ONT options are limited in May. Connecting flights offer more flexibility and often lower fares, but increase total travel time and the potential for delays. For most May travelers from Raleigh-Durham International Airport (RDU), a single-connection itinerary through DFW, ATL or ORD strikes the best balance between price and convenience. If you’re traveling with checked baggage or on a tight schedule (e.g., early business commitments in Anaheim or Los Angeles), prioritize shorter layovers and single-connection routing. Book early and confirm minimum connection times for your chosen airlines.
Airline Comparison for RDU to ONT — May Carriers, Service & Value
American Airlines typically offers competitive fares on one-stop itineraries via Dallas-Fort Worth (DFW), with strong schedule density and loyalty benefits. Delta connects through Atlanta (ATL) with robust customer service and SkyMiles options, often suited to travelers seeking smoother domestic connections. United Airlines routes RDU–ONT travelers through Chicago (ORD) or Denver (DEN) and often has good premium-cabin choices. Alaska Airlines can offer value-driven itineraries via West Coast hubs and connects well for onward California travel. Compare baggage allowances, seat selection fees, Wi-Fi availability and loyalty perks when choosing a carrier for May travel, and use price alerts to find the best RDU to ONT fares.
Seasonal Travel Tips for RDU to ONT in May — Weather, Packing & Delays
May offers mild spring weather in Raleigh and sunny Southern California conditions near Ontario International Airport (ONT). Pack light layers for variable mornings in Raleigh and sun protection for Anaheim and Los Angeles; bring a compact umbrella for occasional spring showers in North Carolina. To reduce delay risk, allow longer connection windows for single-stop itineraries and enroll in airline text alerts for gate changes. For Memorial Day travel, secure parking at Raleigh-Durham International Airport (RDU) in advance, and pre-reserve rental cars at ONT to avoid long queues. Follow these tips, book early and use fare alerts to get the best RDU to ONT flight options in May.
Flight Time & Schedules — Raleigh-Durham International Airport (RDU) to Ontario International Airport (ONT) in May
Average nonstop airborne time between the Raleigh-Durham area and Southern California is about 5 to 6 hours, though most RDU to ONT itineraries in May include a single connection and total travel times generally sit between 7 and 10 hours. Common connecting hubs include Dallas-Fort Worth (DFW) for American Airlines, Atlanta (ATL) for Delta, and Chicago O'Hare (ORD) or Denver (DEN) for United. Peak schedule windows at RDU are early morning and late afternoon departures, while ONT sees busy arrivals in late afternoon and early evening. For up-to-date flight schedules, check carrier timetables and use Google Flights to filter by shortest duration or fewest stops when booking RDU to ONT flights.
Cheap RDU to ONT Flights in May — Save on Raleigh to Ontario Airfare
To score cheap RDU to ONT flights in May, target midweek departures (Tuesday–Thursday) and fly outside Memorial Day weekend when demand spikes. Use flexible-date search tools, set fare alerts on Google Flights and Skyscanner, and compare one-stop itineraries through hubs like DFW, ATL or ORD for lower fares. Consider alternative nearby airports — Los Angeles International (LAX) or John Wayne/Orange County (SNA) — for potential savings, but weigh ground transfer time. Budget-savvy travelers should book 3–8 weeks ahead for the best blend of price and schedule. Ready to save? Search RDU to ONT flight deals now and sign up for fare notifications.