Flights to Denver
Search and book flights to Denver
Planning a trip to Denver? From family visits to last-minute escapes to the Rockies, we’ve got your flight sorted.
Over 600 airlines ✈️
Search and compare over 600 airlines heading to the Mile High City, all in one place. Filter by price, time or airline and lock in the travel plan that works for you.
Fly now, pay later 💸
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Pay later for flights to Denver
Planning a trip to Denver? You can secure your flight today and sort the payments later. At Alternative Airlines, we make it easy to spread the cost with flexible pay-later options.
We work with top Buy Now Pay Later brands like Klarna, Afterpay, Affirm and Zip. You decide how you want to pay - in 4 parts, monthly or after a few weeks. It’s all about giving you control.
Why pay later?
- Grab the best fares before prices climb
- Book a spontaneous trip without blowing the budget
- Make big travel plans happen, from family visits to ski season
- Get your booking confirmed straight away with flexible payment choices
At checkout, just choose your preferred pay-later provider. The process is simple, the fees are clear and the freedom is all yours.
Top airlines flying to Denver
Flying into Denver? Choose from over 600 airlines, from wallet-friendly to well-known. These are our top three picks.
United is a major player at Denver International, with a strong focus on both domestic and international routes. It's a go-to for travellers who want variety, comfort and flexibility.
The airline links Denver with key cities including Houston, San Francisco, Chicago O’Hare, Washington D.C. and New York, along with long-haul destinations across Europe and Asia.
Expect a more traditional flying experience. With United, you get the option to choose between different cabin classes, from basic fares to business, with extras available to customise your travel plan.
Southwest flies more passengers into Denver than nearly any other airline, making it a major player at DEN. Its full base of operations at the airport means strong flight availability and more departures to choose from.
Fly nonstop to Denver from cities like Chicago Midway, Phoenix, Dallas Love Field, Las Vegas, LA and dozens more across the US.
With straightforward pricing and plenty of direct routes, Southwest makes it easy to fly to Denver without breaking the bank.
Frontier Airlines is a major player in Denver, operating a wide range of domestic routes across the US. As its main hub, Denver (DEN) offers some of the most frequent and affordable Frontier flights in the country.
Travellers can fly nonstop from cities like Las Vegas, Dallas, Orlando and Chicago, with additional seasonal routes popping up throughout the year.
Frontier’s focus on low fares and point-to-point service makes it ideal for budget-conscious passengers looking for a simple way to get to or from Denver.
Airports near Denver
Denver’s not short on flight options. Here are two major airports you can land at.
Denver International Airport
- Denver International is the main airport for the city and one of the busiest in the US.
- Sitting around 25 miles from downtown, it connects passengers to hundreds of daily domestic and international flights.
- Major airlines like Southwest, United, Frontier and Delta operate here.
- You’ll also find flights with American, JetBlue, British Airways, Lufthansa and Air Canada.
Colorado Springs Airport
- Roughly 70 miles south of Denver, Colorado Springs Airport is becoming a popular choice.
- It’s a great option for travellers heading to the Pikes Peak region or looking to skip the larger airport crowds.
- You’ll find flights here with American Airlines, Delta and Southwest.
Discover Denver
300 days of sunshine ☀️
- Denver’s known for its blue skies and mountain views, with sunshine most of the year.
- Take in the fresh air while exploring city parks, catching a baseball game or hiking just outside town.
Mountains, museums and more 🏔️
- It’s the gateway to the Rockies and home to standout spots like the Denver Art Museum and Red Rocks.
- From snow-covered slopes to open-air concerts, there’s loads to do.
Eat well, explore more 🍔
- Downtown Denver is packed with craft breweries, food halls and buzzing local restaurants.
- You’ll also find vintage shops, street art and plenty of live music across the city. Fly in for a weekend or stay a while - it fits both.
What to do in Denver
For leisure 🎭
- Red Rocks Amphitheatre - Catch a concert at this iconic open-air venue surrounded by stunning rock formations.
- Meow Wolf - Step into a mind-bending world of immersive art and hidden spaces in the heart of the city.
- Denver Botanic Gardens - Explore themed gardens, shady trails and peaceful spots to recharge.
For business 💼
- Union Station - Sip craft coffee, hold a casual meeting or just unwind in this beautifully restored hub.
- City Park - A quick escape between meetings with skyline views, walking paths and space to think.
- Hotel rooftop bars - Finish the day with mountain views and small plates at one of Denver’s top hotels.
For families 👨🏾👩🏻👧🏽👦🏽
- Denver Zoo - Lions, tigers and over 3,000 animals in a walkable and family-friendly space.
- Downtown Aquarium - Come face-to-fin with sharks, stingrays and even a mermaid show.
- Elitch Gardens - Rides, slides and family fun right in the centre of the city.
Things to do in Denver
Discovering the many attractions of Denver can be quite a task, so we've narrowed down our top 3:
Red Rocks Park and Amphitheatre
Location: Morrison, just outside Denver
Red Rocks isn’t just a concert venue. It’s a natural amphitheatre carved into towering red sandstone. You might catch a sunrise yoga session, hike the surrounding trails or watch your favourite artist play under the stars.
Entry fee: Free during the day for park access (concert ticket prices vary)
Best time to go: Early summer or late September - warm days, cooler nights
It’s a top pick for music lovers, fitness fans or anyone after a bit of fresh air with a view. Bring layers and good shoes - the altitude and stairs will keep you on your toes.
✨ Find out more about Red Rocks Park and Amphitheatre
Denver Art Museum and Meow Wolf Denver
Location: Just outside downtown Denver
Split between the imaginative worlds of Meow Wolf Denver and the cultural depth of the Denver Art Museum, this duo offers a blend of mind-bending art and thought-provoking exhibitions.
Entry fee: Around $25 for Meow Wolf; the Denver Art Museum starts at $19 for adults, with free days throughout the year.
Best time to go: Mid-week in spring or autumn. Fewer crowds, easier parking, and a bit more breathing room.
It’s surreal, bold and full of colour. Try not to rush it - this is the kind of place that rewards curiosity.
✨ Find out more about Denver Art Museum and Meow Wolf Denver
Denver Botanic Gardens and Museum of Nature & Science
Location: City Park, east of downtown Denver
Denver Botanic Gardens and the Museum of Nature & Science sit side by side in one of the city’s best green spaces. Think rare plants, rotating exhibits, a planetarium and even a T-Rex or two. You can stroll through a Japanese garden, then head straight into a show about black holes.
Entry fee: Around $15 for adults at the Gardens and $18.95 at the Museum
Best time to go: Late mornings on weekdays or cooler months like May and September
It’s calm, clever and packed with surprises. A great choice if you're looking to explore Denver beyond the mountains.
✨ Find out more about Denver Botanic Gardens and Denver Museum of Nature & Science
When is the best time to visit Denver?
That really depends on the kind of trip you're after. From crisp spring walks to high-energy summer adventures and snowy winter escapes, Denver brings something new with every season.
Spring 🌸
March to May
- Weather: Days range from 10-24°C (50s-70s °F), mornings stay cool. Snow might still pop up early on.
- What it’s like: Parks start to bloom, trails open up, and the city feels fresh. It’s a good time to hop on a bike or plan a low-key hike.
- Why go now: Smaller crowds and spring events like Cinco de Mayo. You’ll spot wildflowers before summer heat kicks in.
- Worth knowing: Weather can flip fast. Some mountain roads may still be closed.
Summer ☀️
June to August
- Weather: Warm and dry - expect 21-32°C (70s-90s °F) during the day. Nights stay cool. Quick afternoon storms happen often.
- What it’s like: Peak season. Red Rocks shows, food festivals, rooftop bars and long trail days.
- Why go now: Perfect for music, hiking and rafting. July’s especially lively.
- Worth knowing: Flights and stays get booked quickly. Afternoon rain can delay plans, so pack light layers.
Autumn 🍂
September to November
- Weather: Clear and cool - expect 10-24°C (50s-70s °F) during the day. Evenings drop fast.
- What it’s like: Trees turn golden in the mountains and the city kicks into sports mode. Imagine scenic drives and Oktoberfest-style fun.
- Why go now: Smaller crowds, amazing colours and great beer events. Hiking is still spot on.
Winter ❄️
December to February
- Weather: Cold days around -1 to 7°C (30s-40s °F), with nights often below freezing. Snow is common but doesn’t always stick around.
- What it’s like: The city slows down. Ice rinks pop up and ski resorts are an easy drive away.
- Why go now: Budget-friendly time to visit. Winter sports nearby and festive vibes in the city.
- Worth knowing: Layers are your friend. Those warm Chinook winds can melt snow quickly.
Wherever you're looking to go next, we'll get you there on your terms
Frequently Asked Questions
Is Denver safe?
Yes. Denver is generally considered a safe city for travellers, especially in popular areas like Downtown, Capitol Hill and Cherry Creek.
Like any major city, it’s best to stay alert, stick to well-lit areas at night and keep an eye on your belongings. Some neighbourhoods may have higher crime rates, but these are usually outside the typical tourist spots.
Denver welcomes millions of visitors each year, most of whom enjoy the city with no trouble at all. With a bit of common sense and a solid travel plan, you can enjoy everything the Mile High City has to offer with confidence.
Is Denver walkable?
Denver is a walkable city, especially in areas like Downtown, LoDo (Lower Downtown) and the RiNo Arts District. You’ll find plenty within reach - shops, restaurants, bars and attractions are often just a short stroll apart. The city’s grid layout makes getting around on foot straightforward, and public transport can easily fill in the gaps for longer trips.
That said, some neighbourhoods are more spread out, so walking might not always be the most practical option. If you're planning to explore places like Red Rocks or the mountains, you'll likely need a car or rideshare. For city exploring though, comfy shoes and a good sense of direction will get you far.
What's the weather in Denver like?
Denver’s weather keeps you on your toes. With over 300 days of sunshine a year, you’ll get plenty of bright skies, but it’s not all blue. Temperatures can swing quickly, especially in spring and autumn, so it’s worth packing layers.
Winters bring snow (perfect if you're heading to the mountains), while summers are warm and dry, often with a quick afternoon thunderstorm. Keep an eye on the forecast before you fly.
How far is Denver Airport from the city?
Denver International Airport is about 25 miles from downtown, which takes around 30-40 minutes by car. The airport rail line runs straight to Union Station, so public transport is easy too - no need to worry about traffic or parking. Whether you're flying in or heading home, getting to and from the airport is simple.