Best Flights starting from $77
from$77economy
Portland (PDX)
Tue, May 19
Roundtrip
Denver (DEN)
Sat, May 23
from$77economy
Portland (PDX)
Wed, May 20
Roundtrip
Denver (DEN)
Sun, May 24
from$87economy
Portland (PDX)
Sun, May 24
Roundtrip
Denver (DEN)
Thu, May 28
from$98economy
Portland (PDX)
Sat, May 23
Roundtrip
Denver (DEN)
Wed, May 27
from$127economy
Portland (PDX)
Fri, May 22
Roundtrip
Denver (DEN)
Tue, May 26
from$148economy
Portland (PDX)
Mon, May 18
Roundtrip
Denver (DEN)
Fri, May 22
from$185economy
Portland (PDX)
Thu, May 21
Roundtrip
Denver (DEN)
Mon, May 25
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Other Destinations
Portland (PDX) to Las Vegas (LAS) in May from $113
From $113
Portland (PDX) to Anchorage (ANC) in May from $149
From $149
Portland (PDX) to Orlando (MCO) in May from $181
From $181
Portland (PDX) to Atlanta (Any) in May from $221
From $221
Portland (PDX) to Omaha (OMA) in May from $235
From $235
Portland (PDX) to Santa Rosa (STS) in May from $237
From $237
Flights from Other Cities
San Diego (Any) to Denver (DEN) in May from $51
From $51
Dallas (DFW) to Denver (DEN) in May from $58
From $58
Miami (MIA) to Denver (DEN) in May from $88
From $88
Orlando (MCO) to Denver (DEN) in May from $144
From $144
Washington, D.C. (IAD) to Denver (DEN) in May from $163
From $163
Buffalo (BUF) to Denver (DEN) in May from $190
From $190
✈️ Flight Guide: Portland (PDX) → Denver (DEN)
Complete travel information for your May journey
Departing from Portland (PDX) FAQs
Denver International Airport (DEN) is a major hub served by legacy carriers and low-cost airlines. Common carriers with frequent budget-friendly routes include Southwest Airlines, Frontier Airlines, Spirit Airlines, and major carriers offering discounted economy seats like United and American. Check fare comparison tools and set price alerts to catch the lowest economy fares from DEN.
To find the cheapest flights from Denver International Airport (DEN) this month, search mid-week departures (Tuesdays and Wednesdays) and be flexible on times, especially red-eye and early morning flights. Use fare calendars, set up price alerts, and compare multi-airline itineraries to spot the lowest economy fares for your required month.
Denver International Airport (DEN) sees peak travel during summer (June–August) and winter holiday periods (mid-December to early January), when prices for economy seats typically rise. Shoulder seasons like late spring and early fall often offer better deals. Booking several weeks in advance for peak months helps lock in lower fares.
From Denver International Airport (DEN), travelers commonly fly to Los Angeles (LAX), Las Vegas (LAS), Phoenix (PHX), Chicago (ORD), New York (JFK/EWR), San Francisco (SFO), Dallas/Fort Worth (DFW), and Orlando (MCO). Nearby Colorado destinations like Colorado Springs and ski areas such as Vail and Aspen are also popular connections.
Yes. In winter months (December–February), allow extra time for potential weather delays at Denver International Airport (DEN), check for de-icing and schedule changes, and book earlier connections between flights. Pack layers for cold conditions and confirm baggage policies as budget fares in economy classes often have stricter rules.
To save on baggage and seat fees when flying economy from Denver International Airport (DEN), compare bundled fare packages, use airline loyalty status or credit card benefits for free bags, and avoid basic economy fares if you need carry-on or seat selection. Pre-purchase baggage online and check frequent-flyer perks to reduce overall travel costs.
Arriving at Denver (DEN) FAQs
A 'Cheapest Economy Fare (ECONOMY)' usually includes a basic seat and may allow one small personal item; it often excludes checked bags, seat selection, and changes. Always read the airline's fare rules for arrivals and consider bundled economy options if you need baggage or flexible changes.
Cheap economy arrivals from Denver International Airport (DEN) commonly land in hubs like Los Angeles (LAX), Las Vegas (LAS), Phoenix (PHX), Dallas/Fort Worth (DFW), Chicago (ORD), and New York (JFK/EWR). These cities often have multiple daily flights from DEN and competitive pricing across carriers.
Cheapest economy flights often depart or arrive during off-peak hours—late night or early morning—because airlines price these slots lower. If you prioritize low fares for arrivals, be prepared for less convenient arrival times and budget for ground transportation availability at those hours.
Yes, the cheapest economy arrival tickets frequently have stricter luggage allowances and higher fees for checked bags. Verify baggage rules for your specific airline and fare, and consider pre-purchasing checked bags online to save compared to airport rates.
March arrivals can be pricier during peak spring break weeks, particularly to warm-weather and tourist destinations. To secure the cheapest economy arrivals in March, book in advance, travel mid-week, and be flexible with nearby airports and connection options.
December holiday arrivals usually spike in price and sell out quickly, making the cheapest economy seats rare during peak holiday windows. If you must travel around December holidays, book early, consider flying on off-peak days (e.g., mid-week), and sign up for airline alerts to catch any last-minute deals.
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Events & Festivals Near Denver International Airport (DEN) - Month-by-Month
Key events that influence economy fares near Denver International Airport (DEN) include the Great American Beer Festival (October), Denver Film Festival (November), and outdoor events such as summer concerts and sports seasons (June–September). National events in top destinations—New Year’s celebrations in New York, March Madness in select cities, and summer conventions in Los Angeles—also raise demand and fares. Book early around major festivals and use alternate dates to secure cheaper economy flights.
Best Time to Fly from Denver International Airport (DEN) - Economy Tips
The best time to fly from Denver International Airport (DEN) for the cheapest economy fares is during shoulder seasons—late April to mid-June and September to mid-November—when demand is lower. Midweek flights (Tuesday–Thursday) and off-peak hours (early morning, late evening) generally offer lower prices. For holiday travel, book several months in advance; for last-minute deals, monitor flash sales and be flexible with dates and airports to capture discounted economy fares.
Direct vs. Connecting Flights from Denver International Airport (DEN) for Economy Travelers
Nonstop flights from Denver International Airport (DEN) offer convenience and lower risk of missed connections but are often pricier in economy class. Connecting flights can save money—especially on long-haul routes—but increase travel time and risk of delays. If booking a connecting itinerary for a cheaper economy fare, allow at least 90–120 minutes for domestic connections and consider verified interline tickets to protect connections. Use a mixture of direct and connecting searches to identify the best balance of price and schedule.
Airline Comparison for Economy Travel from Denver International Airport (DEN)
Frontier and Spirit often offer the lowest base economy fares from Denver International Airport (DEN) but charge extra for carry-ons and seat assignments; Southwest includes two checked bags and is a strong value for domestic travelers. United and American provide broader route networks and frequent-flyer benefits that may offset higher base economy prices. Compare total trip cost—fares plus baggage and seat fees—when selecting the airline. Use price-comparison tools and loyalty programs to maximize savings on economy travel from DEN.
Seasonal Travel Tips for Economy Travelers from Denver International Airport (DEN)
In winter, budget for potential delays at Denver International Airport (DEN) and pack warm layers and travel insurance for long connections. Spring and fall shoulder seasons are ideal for finding low economy fares—book mid-week and remain flexible with dates. Summer requires early bookings due to high demand, especially for family travel; consider flying on Tuesdays or Wednesdays and choosing late-night arrivals to save. For all seasons, travel light to avoid baggage fees, use price alerts for fare drops, and compare alternate airports and airlines to secure the cheapest economy fares.
Flight Times & Schedules from Denver International Airport (DEN)
Average nonstop flight times from Denver International Airport (DEN) include Los Angeles (LAX) ~2 hours 30 minutes, Las Vegas (LAS) ~1 hour 45 minutes, Phoenix (PHX) ~2 hours 15 minutes, Chicago O'Hare (ORD) ~2 hours 45 minutes, and New York area airports (JFK/EWR) ~3 hours 45 minutes. Economy schedules offer a mix of early-morning and late-evening flights that are often cheaper; red-eye and off-peak departures can be less expensive but may restrict ground transport options at arrival. For international travel, expect longer multi-leg itineraries with one connection common for budget economy fares—always check layover duration to ensure smooth connections.
Cheap Flights Guide - Denver International Airport (DEN) Economy Savings
To find cheap flights from Denver International Airport (DEN), start with flexible date searches and set price alerts on aggregators like Google Flights and Skyscanner. Compare low-cost carriers (Frontier, Spirit, Southwest) with legacy carriers and consider one-way multi-airline itineraries for the lowest round-trip economy prices. Book mid-week departures and off-peak hours, and check nearby airports such as Colorado Springs for additional savings. Act now: set fare alerts to capture flash sales and book the cheapest economy fares today.