Best Flights starting from $213
from$213economy
Medford (MFR)
Thu, May 28
One-way
Ontario (ONT)
—
from$213economy
Medford (MFR)
Fri, May 29
One-way
Ontario (ONT)
—
from$248economy
Medford (MFR)
Sat, May 30
One-way
Ontario (ONT)
—
from$291economy
Medford (MFR)
Sun, May 31
One-way
Ontario (ONT)
—
Fields updated — click View Prices to search ↑
Other Destinations
Medford (MFR) to Burbank (BUR) in May from $215
From $215
Medford (MFR) to Washington, D.C. (DCA) in May from $258
From $258
Medford (MFR) to Denver (DEN) in May from $269
From $269
Medford (MFR) to Fresno (FAT) in May from $317
From $317
Medford (MFR) to San Diego (SAN) in May from $382
From $382
Medford (MFR) to Minot (MOT) in May from $389
From $389
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: Medford (MFR) → Ontario (ONT)
Complete travel information for your May journey
May is a favorable month to fly from Rogue Valley International–Medford Airport (MFR) to Ontario International Airport (ONT) because spring weather in southern Oregon reduces winter disruption and Southern California temperatures are pleasant. Expect increased weekend leisure travel and slightly higher fares around Memorial Day; booking 3–6 weeks ahead typically yields the best May deals. Popular connecting hubs for this route include Portland (PDX), Seattle (SEA), and San Francisco (SFO), with onward ground access from ONT to major cities such as Los Angeles, San Diego, and Palm Springs. For the best May experience, set fare alerts for MFR to ONT, choose midweek departures, and pack layers to account for cooler MFR mornings and warmer ONT afternoons.
Departing from Medford (MFR) FAQs
Several major and regional carriers operate routes connecting Rogue Valley International–Medford Airport (MFR) to Ontario International Airport (ONT), typically with at least one stop. In May you can find flights on carriers such as Alaska Airlines, American Airlines (via regional partners), and Delta (via partners), with seasonal schedule increases for weekend leisure travel. Search airline schedules early to compare nonstop and connecting options and secure the best fares.
Total travel time between Rogue Valley International–Medford Airport (MFR) and Ontario International Airport (ONT) usually ranges from about 3 to 6 hours depending on connections and layover length; there are no regular direct nonstop flights, so plan for at least one stop. If you connect through a West Coast hub like Portland (PDX) or Seattle (SEA), expect shorter air time but additional ground time during the layover. Use flight comparison tools to view door-to-door duration and optimize for shortest elapsed time.
Yes — May often offers more affordable MFR to ONT flights compared with peak summer months when demand for Southern California leisure travel rises. Booking 3–8 weeks in advance and watching midweek departures can yield lower fares; subscribe to fare alerts and check low-cost fare aggregators for May-specific deals. Flexible dates and early morning or late-night flights frequently show better prices.
In May, Rogue Valley (MFR) typically experiences mild spring weather with daytime highs in the 60s–70s°F and lower chance of winter storms, while Ontario, California (ONT) sees warm, dry conditions with daytime highs in the 70s–80s°F. This generally favorable spring weather reduces weather-related delays, but always check forecasts close to departure for localized conditions, especially early-morning fog or wind along the Pacific Northwest. Plan light layers for varying temperatures between departure and arrival.
For domestic flights from Rogue Valley International–Medford Airport (MFR) to Ontario International Airport (ONT), arrive at least 90 minutes before departure to allow time for parking, check-in, and security during May travel. If you have baggage to check or travel during peak holiday weekends in May (Memorial Day surge), consider 2 hours before departure to reduce stress. Use online check-in and mobile boarding passes to streamline your preflight process and save time at the terminal.
Yes — Ontario International Airport (ONT) offers multiple ground transportation options including regional shuttles, car rentals, rideshares, and intercity buses linking to Los Angeles, San Diego, and Palm Springs. Travel times: ONT to downtown Los Angeles is roughly 35–60+ minutes depending on traffic, while San Diego is about 90–120 minutes by car. If arriving in May, reserve shuttles and rental cars in advance for holiday weekends to ensure availability and better rates.
Arriving at Ontario International Airport (ONT) in May from Rogue Valley International–Medford Airport (MFR) generally means smooth post-flight transitions thanks to favorable spring weather and robust ground transport connections. ONT serves as a gateway to major Southern California destinations — Los Angeles, San Diego, and Palm Springs — with multiple car rental counters, shuttle operators, and rideshare pickup areas. For May travel, prebook airport shuttles and reserve rental cars in advance around holiday weekends to lock in better rates. Check terminal maps and airline apps for gate information, and take advantage of ONT amenities like cafes and lounges while you wait for onward travel.
Arriving at Ontario (ONT) FAQs
Ontario International Airport (ONT) provides multiple ground transportation options including rental cars on-site, rideshare pickup zones, airport shuttle services, and regional bus links. If you arrive in May, expect moderate demand; reserve rental cars or shuttles ahead of busy holiday weekends like Memorial Day. For travel to Los Angeles, San Diego, or Palm Springs, compare shuttle timetables and rideshare surge pricing to pick the most cost-effective option.
No — flights originating at Rogue Valley International–Medford Airport (MFR) to Ontario International Airport (ONT) are domestic, so international arrival processing (customs and immigration) does not apply. You should still follow TSA security rules and have valid photo ID. If your itinerary includes an international connection beyond ONT, verify entry requirements for that final destination prior to travel.
Ontario International Airport (ONT) offers passenger amenities such as dining options, rental car desks, lounges, free Wi-Fi, and mobility assistance services. In May, many concessionaires maintain expanded hours for peak travel, but it’s wise to check specific restaurant and lounge hours before flying. If you need special assistance upon arrival, request it through your airline in advance to ensure timely support at ONT.
For domestic-to-domestic connections at Ontario International Airport (ONT), allow at least 60–90 minutes for connections if you are rechecking baggage or switching terminals. In May, busier travel days could increase times during peak windows, so build extra buffer time if possible. Always verify minimum connection times recommended by the operating carriers and monitor your arrival gate for updates.
Delays on the MFR to ONT route in May are usually moderate and most often caused by upstream air traffic or hub congestion rather than local weather, since Southern California typically enjoys stable spring conditions. However, atmospheric events or West Coast system changes can create ripple effects; check day-of-flight advisories and track your flight with the airline app. For a smoother trip, choose flights with longer layovers when connecting through busy hubs during peak times.
1.0.2605.18
May Events & Festivals Near MFR and ONT — Plan Around Local Happenings
May brings a mix of outdoor festivals, cultural events, and community celebrations that can impact flight demand. Near Rogue Valley International–Medford Airport (MFR), popular spring events include farmers markets, Tulip and Flower festivals in southern Oregon towns, and outdoor recreation season kickoffs that draw weekend travelers. Around Ontario International Airport (ONT) and the Inland Empire, May often features Cinco de Mayo events, arts festivals, and early summer concerts — plus increased demand around Memorial Day weekend. If your May plans coincide with major local events, book flights and ground transport early to secure the best options.
Best Time to Fly MFR to ONT — May Travel Considerations
May is often an optimal time to fly between Rogue Valley International–Medford (MFR) and Ontario International (ONT) because it falls before peak summer leisure demand, offering comfortable weather and competitive fares. For cost savings and smoother airport experiences, choose midweek travel and avoid the Memorial Day weekend unless those specific holiday activities are your goal. If flexibility is limited, early-morning departures in May frequently have fewer delays and lower prices.
Direct vs Connecting Flights from MFR to ONT in May — Pros and Cons
Since nonstop flights between Rogue Valley International–Medford (MFR) and Ontario International (ONT) are uncommon, connecting flights are the norm. The main advantage of connecting itineraries is flexibility and often lower fares, while the downside includes longer total travel time and potential for missed connections. In May, choose connections through efficient West Coast hubs (PDX, SEA, SFO, LAX) and allow at least 60–90 minutes for domestic connections to reduce risk. If minimizing travel time is the priority, search for the shortest elapsed durations and avoid tight layovers.
Airline Comparison for MFR to ONT Flights in May — Carriers, Comfort & Fares
In May, you’ll most commonly find connecting itineraries for the MFR to ONT route from carriers like Alaska Airlines, American Airlines (and regional affiliates), and Delta Air Lines (via partners). Alaska often offers strong West Coast connectivity and competitive fares; American may provide convenient connections via Phoenix (PHX) or Dallas (DFW) depending on seasonal schedules; Delta often routes through Seattle (SEA) or Salt Lake City (SLC) via partners. Compare total travel time, layover length, baggage policies, and elite benefits to choose the best carrier for your May trip. Check each airline’s May promotions and consider flexible fares if plans could change.
Seasonal Travel Tips for May — Packing, Weather & Airport Advice for MFR to ONT
For May travel from Rogue Valley International–Medford (MFR) to Ontario International (ONT), pack light layers because mornings in southern Oregon can be cool while Southern California afternoons are warm. Bring a lightweight jacket, sunscreen, and a refillable water bottle (fill after security). Check airline baggage rules before packing to avoid surprise fees and arrive at MFR early during Memorial Day weekend and other busy May dates. Use mobile boarding passes, enroll in TSA PreCheck if available, and reserve rental cars or shuttles at ONT ahead of arrival to streamline your trip.
MFR to ONT Flight Time & May Schedules — Typical Duration and Hubs
Average elapsed travel time from Rogue Valley International–Medford (MFR) to Ontario International (ONT) in May is typically 3–6 hours depending on the connection. Most itineraries route through West Coast hubs like Portland (PDX), Seattle (SEA), San Francisco (SFO), or Los Angeles (LAX). Morning departures often yield shorter total travel times because of lower air traffic at hubs. Use schedule filters to prioritize shortest duration or fewest stops when booking May flights, and double-check connection minimums for your chosen layovers.
How to Find Cheap Flights from Rogue Valley International–Medford (MFR) to Ontario International (ONT) in May
To find cheap flights from Rogue Valley International–Medford (MFR) to Ontario International (ONT) in May, book 3–8 weeks ahead and target midweek departures (Tuesday–Thursday). Use flexible-date search tools and set fare alerts specifically for May travel windows. Consider alternate nearby airports for departure (e.g., Portland PDX or Eugene EUG) or arrival (Los Angeles LAX) if savings outweigh ground transfer time. Mix-and-match itineraries via different carriers and choose red-eye or early-morning flights to unlock lower fares. Always compare results across multiple aggregators and the airlines’ own sites — sometimes carrier promotions appear only on the airline website.
Tips
- Set fare alerts for MFR → ONT with a 14–30 day price watch.
- Compare midweek vs. weekend prices; midweek is often cheaper.
- Check alternate nearby airports if ground travel is feasible.
- Book refundable or flexible tariffs if your plans may change in May.