Cheap Flights from Denver

125 international destinations

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Lowest Estimated Prices from Denver

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All Destinations from Denver

DestinationCountryRegionEst. PriceFlight Time
MTYMonterreyMexicocentral america-caribbean$85~3h
SJDLos CabosMexicocentral america-caribbean$100~3h
PVRPuerto VallartaMexicocentral america-caribbean$111~4h
GDLGuadalajaraMexicocentral america-caribbean$113~4h
MEXMexico CityMexicocentral america-caribbean$122~4h
CUNCancunMexicocentral america-caribbean$141~4h
NASNassauBahamascentral america-caribbean$158~5h
GCMGrand CaymanCayman Islandscentral america-caribbean$167~5h
MBJMontego BayJamaicacentral america-caribbean$183~5h
KINKingstonJamaicacentral america-caribbean$189~5h
SDQSanto DomingoDominican Republiccentral america-caribbean$215~6h
PUJPunta CanaDominican Republiccentral america-caribbean$219~6h
SJUSan JuanPuerto Ricocentral america-caribbean$230~6h
STTSt. ThomasUS Virgin Islandscentral america-caribbean$234~7h
AUAArubaArubacentral america-caribbean$238~7h
CURCuracaoCuracaocentral america-caribbean$243~7h
SXMSt. MaartenSint Maartencentral america-caribbean$243~7h
ANUAntiguaAntigua and Barbudacentral america-caribbean$252~7h
UVFSt. LuciaSaint Luciacentral america-caribbean$269~7h
BGIBarbadosBarbadoscentral america-caribbean$278~8h
POSTrinidadTrinidad and Tobagocentral america-caribbean$280~8h
KEFReykjavikIcelandeurope$299~8h
GLAGlasgowUnited Kingdomeurope$366~10h
DUBDublinIrelandeurope$368~10h
EDIEdinburghUnited Kingdomeurope$369~10h
MANManchesterUnited Kingdomeurope$380~10h
BHXBirminghamUnited Kingdomeurope$384~10h
OSLOsloNorwayeurope$389~10h
LHRLondonUnited Kingdomeurope$392~10h
OPOPortoPortugaleurope$399~11h
AMSAmsterdamNetherlandseurope$404~11h
LISLisbonPortugaleurope$406~11h
ARNStockholmSwedeneurope$406~11h
BRUBrusselsBelgiumeurope$408~11h
CDGParisFranceeurope$409~11h
CPHCopenhagenDenmarkeurope$411~11h
HAMHamburgGermanyeurope$412~11h
DUSDusseldorfGermanyeurope$413~11h
HELHelsinkiFinlandeurope$416~11h
FAOFaroPortugaleurope$416~11h
MADMadridSpaineurope$420~11h
TLLTallinnEstoniaeurope$420~11h
FRAFrankfurtGermanyeurope$422~11h
SVQSevilleSpaineurope$423~11h
BERBerlinGermanyeurope$426~11h
LEDSt. PetersburgRussiaeurope$428~11h
LYSLyonFranceeurope$429~11h
AGPMalagaSpaineurope$430~11h
GVAGenevaSwitzerlandeurope$430~11h
RIXRigaLatviaeurope$430~11h
ZRHZurichSwitzerlandeurope$432~11h
BCNBarcelonaSpaineurope$436~11h
PRGPragueCzech Republiceurope$437~11h
MUCMunichGermanyeurope$438~11h
MRSMarseilleFranceeurope$438~11h
MXPMilanItalyeurope$440~11h
IBZIbizaSpaineurope$443~12h
VNOVilniusLithuaniaeurope$443~12h
NCENiceFranceeurope$444~12h
WAWWarsawPolandeurope$445~12h
PMIPalma de MallorcaSpaineurope$445~12h
VCEVeniceItalyeurope$451~12h
KRKKrakowPolandeurope$451~12h
VIEViennaAustriaeurope$452~12h
BTSBratislavaSlovakiaeurope$453~12h
LJULjubljanaSloveniaeurope$454~12h
FLRFlorenceItalyeurope$455~12h
SVOMoscowRussiaeurope$458~12h
ZAGZagrebCroatiaeurope$461~12h
BUDBudapestHungaryeurope$462~12h
FCORomeItalyeurope$467~12h
SPUSplitCroatiaeurope$471~12h
SJJSarajevoBosnia and Herzegovinaeurope$475~12h
NAPNaplesItalyeurope$476~12h
BEGBelgradeSerbiaeurope$476~12h
DBVDubrovnikCroatiaeurope$480~12h
TGDPodgoricaMontenegroeurope$484~13h
TIATiranaAlbaniaeurope$490~13h
OTPBucharestRomaniaeurope$492~13h
SKPSkopjeNorth Macedoniaeurope$492~13h
SOFSofiaBulgariaeurope$494~13h
MLTMaltaMaltaeurope$498~13h
SKGThessalonikiGreeceeurope$503~13h
ISTIstanbulTurkeyeurope$514~13h
ATHAthensGreeceeurope$517~13h
SAWIstanbul SabihaTurkeyeurope$517~13h
MYKMykonosGreeceeurope$524~13h
JTRSantoriniGreeceeurope$529~14h
NRTTokyoJapanasia$534~13h
HNDTokyo HanedaJapanasia$537~13h
AYTAntalyaTurkeyeurope$540~14h
LCALarnacaCypruseurope$557~14h
KIXOsakaJapanasia$558~13h
ICNSeoulSouth Koreaasia$572~13h
PEKBeijingChinaasia$585~14h
PVGShanghaiChinaasia$619~14h
TPETaipeiTaiwanasia$653~15h
TLVTel AvivIsraelmiddle east$661~15h
CANGuangzhouChinaasia$687~16h
SZXShenzhenChinaasia$689~16h
HKGHong KongHong Kongasia$691~16h
MNLManilaPhilippinesasia$709~16h
DELDelhiIndiaasia$713~16h
KTMKathmanduNepalasia$714~16h
CEBCebuPhilippinesasia$719~17h
HANHanoiVietnamasia$719~17h
DADDa NangVietnamasia$743~17h
VTEVientianeLaosasia$746~17h
CNXChiang MaiThailandasia$750~17h
RGNYangonMyanmarasia$767~18h
REPSiem ReapCambodiaasia$770~18h
BOMMumbaiIndiaasia$773~18h
BKKBangkokThailandasia$776~18h
SGNHo Chi Minh CityVietnamasia$777~18h
PNHPhnom PenhCambodiaasia$777~18h
BLRBangaloreIndiaasia$810~19h
MAAChennaiIndiaasia$811~19h
HKTPhuketThailandasia$815~19h
PENPenangMalaysiaasia$826~19h
KULKuala LumpurMalaysiaasia$837~19h
SINSingaporeSingaporeasia$838~19h
DPSBaliIndonesiaasia$848~19h
CMBColomboSri Lankaasia$848~19h
MLEMaleMaldivesasia$868~20h
CGKJakartaIndonesiaasia$869~20h

Featured Route Estimates from Denver

ROUTE ESTIMATE
DENMTY
Monterrey
Est. $85
estimated round trip
View Route
ROUTE ESTIMATE
DENSJD
Los Cabos
Est. $100
estimated round trip
View Route
ROUTE ESTIMATE
DENPVR
Puerto Vallarta
Est. $111
estimated round trip
View Route

Best Time to Fly from Denver

Based on seasonal patterns across popular destinations, the best months to find deals from Denver are typically January, February, March, April.

These months tend to offer the best combination of good weather at your destination and lower airfare demand. Fare reviews and notifications are paused while the fare feed moves to a new provider.

About Denver International

Denver International is United Airlines' second-largest hub after Chicago, which means consistent domestic capacity and surprisingly good international options for a mountain-west airport. It's the fifth-busiest airport in the US by passenger count, serving as the main gateway for Colorado's Front Range. The airport sits at 5,431 feet elevation — higher than most US airports — which occasionally affects flight operations in winter but rarely causes delays. DEN has undergone major expansion since 2025, with new gates opening for international routes. If you're based in Colorado or the Rocky Mountain region, DEN is your primary option; it's 23 miles northeast of downtown Denver and surrounded by high plains, making it windier than coastal airports but generally reliable year-round.

Terminals & Airlines

Denver has one unified terminal building (technically Terminal A/B/C in sections) with no separate terminals like major East Coast hubs. United dominates with 60+ daily flights and occupies the north gates (primarily gates A1-A50). Southwest operates from mid-terminal gates (B20-B65). All other carriers — American, Delta, Alaska, Frontier, Spirit, JetBlue, and international carriers — operate from south gates (C). TSA PreCheck and Clear lines are in the main security checkpoint; the north security checkpoint near United gates is usually faster during morning waves. International flights depart from gates C42-C90.

Getting to the Airport

RTD Airport Train (A-Line): $11.50 one-way from downtown Union Station, 37 minutes, runs every 15 minutes peak hours. This is the best option — direct, predictable, no traffic. Uber/Lyft: $35-55 from downtown during off-peak, $50-85 during 6-9 AM rush. Takes 25-35 minutes depending on traffic on I-270. Rent car agencies are at ground level with typical Denver prices ($45-70/day for economy). Parking at DEN: $18/day in surface lots (Pena Lot), $28/day in covered Garage 1-2. For trips under 5 days, Uber is cheaper than parking; beyond that, park at Garage 1 (closest, $28/day) or use covered Pena ($25/day, further walk).

Parking

Garage 1 is most convenient but fills first ($28/day). Economy lot parking ($18/day, Pena Boulevard) is a 10-minute walk but much cheaper for week-long trips. If you're departing early morning, pay for valet ($35-40) to save the walk and avoid the pre-5AM lot rush. DEN's lots are outdoor-heavy; winter snow removal is solid but icy conditions happen January-February. Don't leave valuables visible — the long-term lot has occasional break-ins. For frequent travelers, United Club membership includes discount parking.

Airlines at DEN

United AirlinesSouthwest AirlinesAmerican AirlinesDelta Air LinesAlaska AirlinesFrontier AirlinesSpirit AirlinesJetBlue AirwaysAir CanadaBritish AirwaysLufthansaIcelandairAir TransatAeromexicoLATAM AirlinesVirgin Atlantic

Pro Tips for Flying from Denver

1

United dominates Denver with cheap connecting fares through this hub. If you're flying transatlantic or to Central America, check United's DEN connections — they're often $100-200 cheaper than booking direct from coastal cities.

2

The A-Line train has a two-hour window before departure; if you're cutting it close, take the 15-minute earlier train (it's packed but reliable). Uber during peak hours (6-9 AM, 3-6 PM) can add 10-15 minutes.

3

Frontier, based in Denver, has aggressive sales from DEN to Mexico and the Caribbean in off-season (May-June, September). Set a price alert for DEN-CUN, DEN-PVR, DEN-SJD routes in spring.

4

Winter storms (December-March) occasionally ground flights for 2-6 hours. Check snow forecasts, not just flight status, the night before. Tuesday-Wednesday departures in winter are most reliable; avoid Friday evening travel.

Cheapest Regions from Denver

RegionEst. Avg PriceBest Month
mexico$310june
caribbean$380may
central America$420september
europe$520september
south America$580april
middle East$610march
asia$680october
africa$750november
oceania$820april

Nearby Airports to Consider

COSColorado Springs Airport
1 hour south on I-25
Rarely cheaper (thin route network), but less crowded. Use only if you're staying in Colorado Springs.
FNLFort Collins-Loveland Airport
1 hour 15 minutes north
Never consider. Limited service (Southwest and Frontier only). DEN is 25 minutes closer and has 10x more flights.

Frequently Asked Questions

What are the cheapest international flights from Denver?

Some of the most affordable international destinations from Denver include Monterrey (est. $85 RT), Los Cabos (est. $100 RT), Puerto Vallarta (est. $111 RT). Prices vary by season and how far in advance you book.

When is the best time to fly from Denver?

Based on seasonal patterns, the best months to find deals from Denver are typically January, February, March, April. These periods tend to offer a balance of favorable weather at popular destinations and lower demand for flights.

How far in advance should I book flights from Denver?

For international flights from Denver, booking 6–12 weeks in advance typically yields the best prices. For peak summer travel (June–August) and holiday periods, booking 3–6 months early is recommended. Fare reviews and notifications are paused during the provider migration.

What airports serve Denver?

Denver is served by Denver International (DEN).

How many international destinations can I fly to from Denver?

Wildly lists 125+ international destinations from Denver. These span regions including Europe, Asia, the Caribbean, South America, and beyond. Browse all routes to find your target destination.

Flights from Denver by Budget

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Flights from Denver by Region

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