Best Flights starting from $190
Economy
Buffalo (BUF)
Tue, May 12
Roundtrip
Denver (DEN)
Sat, May 16
Economy
Buffalo (BUF)
Wed, May 13
Roundtrip
Denver (DEN)
Sun, May 17
Economy
Buffalo (BUF)
Thu, May 14
Roundtrip
Denver (DEN)
Mon, May 18
Economy
Buffalo (BUF)
Fri, May 15
Roundtrip
Denver (DEN)
Tue, May 19
Economy
Buffalo (BUF)
Sat, May 16
Roundtrip
Denver (DEN)
Wed, May 20
Economy
Buffalo (BUF)
Mon, May 18
Roundtrip
Denver (DEN)
Fri, May 22
Economy
Buffalo (BUF)
Tue, May 26
Roundtrip
Denver (DEN)
Fri, May 29
Economy
Buffalo (BUF)
Fri, May 29
Roundtrip
Denver (DEN)
Mon, Jun 1
Economy
Buffalo (BUF)
Sun, May 17
Roundtrip
Denver (DEN)
Thu, May 21
Economy
Buffalo (BUF)
Wed, May 27
Roundtrip
Denver (DEN)
Sat, May 30
Economy
Buffalo (BUF)
Sat, May 30
Roundtrip
Denver (DEN)
Tue, Jun 2
Economy
Buffalo (BUF)
Mon, May 25
Roundtrip
Denver (DEN)
Thu, May 28
Economy
Buffalo (BUF)
Thu, May 28
Roundtrip
Denver (DEN)
Sun, May 31
Economy
Buffalo (BUF)
Sun, May 31
Roundtrip
Denver (DEN)
Wed, Jun 3
Other Destinations
Buffalo (BUF) to New York (JFK) in May from $137
From $137
Buffalo (BUF) to Fort Lauderdale (FLL) in May from $180
From $180
Buffalo (BUF) to Myrtle Beach (MYR) in May from $367
From $367
Buffalo (BUF) to New York (LGA) in June from $147
From $147
Buffalo (BUF) to Salt Lake City (SLC) in June from $189
From $189
Buffalo (BUF) to Daytona Beach (DAB) in June from $388
From $388
Flights from Other Cities
San Diego (Any) to Denver (DEN) in May from $51
From $51
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
Greenville (GSP) to Denver (DEN) in May from $212
From $212
Cincinnati (CVG) to Denver (DEN) in May from $227
From $227
✈️ Flight Guide: Buffalo (BUF) → Denver (DEN)
Complete travel information for your May journey
Departing from Buffalo (BUF) FAQs
Denver International Airport (DEN) offers multiple budget-friendly options including low-cost carriers like Frontier and Southwest. Book early, be flexible with midweek departures, and sign up for fare alerts to find the cheapest economy fares from DEN. Consider nearby secondary airports for comparison and pack light to avoid checked-bag fees.
For domestic flights from Denver International Airport (DEN) in economy class, arrive at least 90 minutes before departure during normal travel days and 2 hours during peak travel months like December and July. Allow extra time for rental-car returns, security lines at peak hours, and shuttle transfers if using off-site parking.
From Denver International Airport (DEN) you can find affordable economy flights to major destinations such as Los Angeles (LAX), Las Vegas (LAS), Phoenix (PHX), Chicago (ORD), Dallas (DFW), New York (JFK/LGA), Orlando (MCO), Seattle (SEA), and San Francisco (SFO). Budget carriers frequently serve these routes, giving travelers many options for low-cost travel.
January often has lower demand after the holidays, making it a great month to score cheap economy fares out of Denver International Airport (DEN). Airlines tend to release discounted winter fares for routes to warmer cities such as Phoenix and Orlando; subscribe to airline newsletters and set fare alerts to capture these deals.
Security and baggage policies at Denver International Airport (DEN) follow TSA rules: liquids in carry-ons must comply with 3-1-1, and checked-bag allowances depend on your airline and fare class. For economy tickets, expect stricter carry-on/checked baggage fees on ultra-low-cost carriers; always check the airline’s website before packing to avoid surprise charges.
March in Denver can bring late-season snow and rapid weather shifts that occasionally delay flights at Denver International Airport (DEN). Expect possible de-icing and a greater likelihood of rebooked connections; book buffer time for connecting flights and check airport and airline alerts for the latest status.
Arriving at Denver (DEN) FAQs
Arriving on the Cheapest Economy Fare (ECONOMY) generally means the base fare offers a seat and carry-on restrictions with fees for checked luggage and advanced seat selection. Policies vary by airline, so check the carrier's baggage allowance and seat fee structure before booking to avoid unexpected charges.
Cheapest economy routes commonly connect travelers from Denver International Airport (DEN) to major cities including Los Angeles (LAX), Las Vegas (LAS), Phoenix (PHX), Chicago (ORD), Dallas (DFW), New York (JFK/LGA), Orlando (MCO), Seattle (SEA), and San Francisco (SFO). These hubs often have multiple daily flights offering competitive economy fares.
To upgrade from the Cheapest Economy Fare (ECONOMY), contact your airline to check paid upgrade options, bidding programs, or same-day upgrade offers. Frequent-flyer status, last-minute availability, and pay-at-gate upgrade programs can increase your chances of moving to a higher class.
In July, airport crowds and summer demand can make landing with the Cheapest Economy Fare (ECONOMY) more stressful due to limited overhead space and tight connections. Arrive prepared with a compact carry-on, arrive at the gate early, and consider purchasing priority boarding if available. CTA: Check your airline’s July policies and reserve overhead space if needed.
Consumer protections for Cheapest Economy Fare (ECONOMY) vary by airline and fare rules; many basic economy fares are non-refundable and have change fees. During irregular operations (cancellations/delays) airlines commonly rebook passengers on the next available flight or provide refunds per DOT rules. Always read fare conditions before purchase and consider travel protection.
Using the Cheapest Economy Fare (ECONOMY) on multi-city or connecting trips can be cost-effective but comes with higher risk for missed connections and limited rebooking options. Build in longer connection times and consider booking on a single ticket to have protection if the first leg is delayed. CTA: Compare single-ticket vs. separate bookings before finalizing your itinerary.
1.0.2601.30
Events & Festivals Impacting Flights at Denver International Airport (DEN)
Key events that affect flights at Denver International Airport (DEN) and demand for cheapest economy fares: - Great American Beer Festival (October, Denver) — raises local hotel and flight prices. - National Western Stock Show (January, Denver) — affects January bookings and ground transport. - Denver PrideFest (June, Denver) — summer airfare increases for local routes. - Aspen Snowmass winter events (Dec–Mar) — increases regional demand and connecting flights. Plan around these events to avoid inflated economy fares or book earlier for attendance. CTA: Check event calendars and book your DEN economy flights well in advance if traveling to popular festivals.
Best Time to Fly from Denver International Airport (DEN) — Save on Economy Fares
Best time to fly from Denver International Airport (DEN) for cheapest economy fares is during shoulder seasons—late January to mid-March and September to mid-November—when demand drops and carriers lower fares. Book 3–8 weeks in advance for domestic travel; for holiday periods, book several months ahead. Secondary keywords: shoulder-season travel, off-peak flights, cheap seasons. CTA: Use fare calendars to identify the cheapest days to fly from DEN and set alerts for price drops.
Direct vs Connecting Flights from Denver International Airport (DEN) — Economy Tradeoffs
Direct flights from Denver International Airport (DEN) save time and reduce the risk of missed connections, while connecting flights often lower prices for cheapest economy fares. Common connection hubs for cheaper DEN itineraries include Salt Lake City (SLC), Las Vegas (LAS), Phoenix (PHX), Dallas-Fort Worth (DFW), and Denver’s own nonstop network. Evaluate total travel time, baggage transfer risk, and possible overnight layovers when choosing between direct and connecting routes. CTA: Compare direct vs connecting options for your DEN departure to balance cost and convenience.
Airline Comparison for Denver International Airport (DEN) — Economy Fare Options
Compare airlines flying cheap economy fares from Denver International Airport (DEN): - Frontier: Ultra low-cost, lowest base fares, charges for seat selection and carry-on in some cases. - Southwest: Budget-friendly with two free checked bags, variable fares but good customer service and flexible rebooking. - United: Hub carrier at DEN with frequent nonstop options and better schedule coverage; economy fares may include more amenities. - American & Delta: Competitive legacy options with strong network connectivity to East Coast and international hubs. Use price, baggage policy, seat comfort, and change fees as comparison factors. CTA: Compare DEN airlines now and filter by baggage policies and total trip cost to find the best economy value.
Seasonal Travel Tips for Denver International Airport (DEN) — Save on Economy Fares
Seasonal tips for Denver International Airport (DEN) travelers seeking cheapest economy fares: - Winter (Dec–Mar): Expect snow-related delays; choose refundable options and allow extra time. - Spring (Apr–May): Shoulder-season savings; ideal for cheaper economy fares to cities and parks. - Summer (Jun–Aug): Peak demand—book early, consider alternate airports or red-eyes. - Fall (Sep–Nov): Best time for cheapest economy fares thanks to lower demand and pleasant weather. Pack layers, check regional road and shuttle availability, and monitor wildfire or weather alerts that can disrupt travel. CTA: Use season-specific search filters and set fare alerts for DEN departures to get the best economy rates.
Flight Times & Schedules from Denver International Airport (DEN) — Economy Options
Typical flight times from Denver International Airport (DEN) to major hubs on cheapest economy fares vary: DEN–LAX ~2 hours 15 minutes, DEN–LAS ~1 hour 45 minutes, DEN–PHX ~2 hours 10 minutes, DEN–ORD ~2 hours 30 minutes, DEN–DFW ~2 hours 20 minutes, DEN–JFK ~3 hours 45 minutes. Schedules are seasonal: summer and winter peak schedules add more daily frequencies to major cities. Use optimal search times—early morning flights often have better on-time performance. CTA: Check live schedules for your DEN departure and compare flight durations when booking economy tickets.
Cheap Flights from Denver International Airport (DEN) — Economy Fare Strategies
Find the cheapest economy flights from Denver International Airport (DEN) by combining flexible-date searches, fare alerts, and alternate-hub comparisons. Primary keywords: cheap flights from Denver, DEN economy fares. Secondary and LSI keywords: budget airfare Denver, Denver cheap nonstop, flexible-date fares, low-cost carriers. Use midweek travel, red-eye flights, and nearby hubs (LAX, LAS, PHX, ORD) to lower costs. CTA: Start a fare alert for DEN to your preferred destination and compare low-cost carriers like Frontier and Spirit alongside legacy carriers for the best deal.