Title: Cheap Flights from Denver (DEN) to Boulder (WBU) - Expedia.ca ![Boulder featuring signage and night scenes](https://images.trvl-media.com/place/6051762/abab43d0-5a86-4737-84b8-4214547abf7a.jpg?impolicy=fcrop&w=1200&h=500&q=medium) ![](https://images.trvl-media.com/place/6051762/abab43d0-5a86-4737-84b8-4214547abf7a.jpg?impolicy=fcrop&w=1200&h=500&q=medium) # Cheap Flights from Denver (DEN) to Boulder (WBU) - [Roundtrip](?flightType=roundtrip) - [One-way](?flightType=oneway) - [Multi-city](?flightType=multicity) ### Travellers Adults ChildrenAges 2 to 17 InfantsYounger than 2 EconomyPremium economyBusiness classFirst class Leaving from Going to Departing Returning Add a place to stay Add a car Direct flights only ## Popular airlines from Denver International Airport (DEN) to Boulder, CO (WBU-Boulder Municipal) - ![Air Canada](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AC.svg) Air Canada [](https://www.expedia.ca/Flights-Search?leg1=from:den,to:wbu,departure:13/11/2025TANYT&leg2=from:wbu,to:den,departure:20/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AC"}}]) - ![WestJet](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_WS.svg) WestJet [](https://www.expedia.ca/Flights-Search?leg1=from:den,to:wbu,departure:13/11/2025TANYT&leg2=from:wbu,to:den,departure:20/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"WS"}}]) - ![Flair Airlines](https://a.travel-assets.com/air/airlines/f8_sq.svg) Flair Airlines [](https://www.expedia.ca/Flights-Search?leg1=from:den,to:wbu,departure:13/11/2025TANYT&leg2=from:wbu,to:den,departure:20/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"F8"}}]) - ![American Airlines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AA.svg) American Airlines [](https://www.expedia.ca/Flights-Search?leg1=from:den,to:wbu,departure:13/11/2025TANYT&leg2=from:wbu,to:den,departure:20/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AA"}}]) - ![United](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_UA.svg) United [](https://www.expedia.ca/Flights-Search?leg1=from:den,to:wbu,departure:13/11/2025TANYT&leg2=from:wbu,to:den,departure:20/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"UA"}}]) - ![Delta](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_DL.svg) Delta [](https://www.expedia.ca/Flights-Search?leg1=from:den,to:wbu,departure:13/11/2025TANYT&leg2=from:wbu,to:den,departure:20/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"DL"}}]) - ![Porter Airlines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_PD.svg) Porter Airlines [](https://www.expedia.ca/Flights-Search?leg1=from:den,to:wbu,departure:13/11/2025TANYT&leg2=from:wbu,to:den,departure:20/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"PD"}}]) ![notification illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__notification.svg) ### Be in the know Get alerts if flight prices drop or rise\* ![deals illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__deals.svg) ### Book smarter Save up to 30% on select hotels after you book a flight\* ![trophy illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__trophy.svg) ### Earn twice Earn your airline miles on top of our rewards [Sign in](https://www.expedia.ca/login) ## Frequently asked questions ### How much is a flight from DEN to WBU? > Within the past 7 days on Expedia, for flights departing within the next year, the lowest price available for a round-trip journey from Denver Airport to WBU was . Fares this cheap don't wait forever, so book yours today. Prices and availability are subject to change. Additional terms apply. ### Do I need to pay a cancellation fee if I cancel my flight from Denver Airport to WBU? > We understand that circumstances change unexpectedly, so we've made it as easy as possible for you to cancel your flight online. Just head to the [Customer Service Portal](https://www.expedia.ca/helpcenter) and follow the instructions. ### How do I find cheap flights from DIA airport to WBU that have flexible change policies? > Select our "No change fees" filter to find flexible travel options for your flight from Denver Intl. Airport (DEN) to WBU. This allows you to snag a fantastic price ahead of time and still have the freedom to make changes without any additional fees. Just keep in mind that fare differences may still apply. ### How far is the flight from Denver Intl. Airport (DEN) to WBU? > A flight distance of just 50 kilometres separates Denver and Boulder. Once you're up in the skies, you won't have time to do much more than browse the magazine in your seat-back pocket. ### Which airlines fly direct from Denver Airport to WBU? > If you want to fly straight from Denver Intl. Airport (DEN) to WBU, you'll have to book a flight with at least one stop. Unfortunately, there are no airlines that fly directly on this route. ### Are DIA airport to WBU flight tickets cheaper when they're purchased at the last minute? > Airline tickets from Denver Intl. Airport (DEN) to WBU are available up to a year prior to departure on Expedia. And although you may pick up great last-minute deal, it's never something you can count on. Also, booking your flights well in advance means you'll have more options — and you can avoid getting stuck in the dreaded middle seat! We frequently update our fares to bring you the best bargains, so check back often for all the latest specials. ## Travel information | Origin airport | Denver Intl. | | --- | --- | | Destination airport | Boulder Municipal | | Distance | 51 km | ## Book with confidence ### Denver to Boulder Flights **The easy way to book your flights from Denver to Boulder**  With Expedia, it’s simple to find and book flights to Boulder from Denver whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from airlines that cover this route. There are nonstop flights to Boulder Municipal, too.   Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from Denver to Boulder today, tomorrow, or this week.   **Save dollars with cheap flights from Denver Intl., DEN to Boulder Municipal, WBU**  Sort your search results by price to find great deals on your flight from Denver to Boulder—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Boulder from Denver currently is just rising to .   Here are more money-saving tips:  - Fly in when flight prices are normally at their lowest  - Book about a month to 6 weeks before you travel for the best prices to Boulder   - Avoid peak season and weekends when flights can cost more - Early morning and late-night flights are sometimes cheaper, so try varying your travel times  - One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free!  **Reasons to choose Expedia for your flight to Boulder from Denver**  Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. So book your flight to Boulder with Expedia today. ## Explore a world of travel with Expedia - Flights - [Flights from Kitchener to Aurora](https://www.expedia.ca/lp/flights/10579/6629/kitchener-to-aurora) - [Flights from Atlanta to North Central Colorado](https://www.expedia.ca/lp/flights/178232/6056771/atlanta-to-north-central-colorado) - [Flights from Atlanta to Golden](https://www.expedia.ca/lp/flights/178232/8009/atlanta-to-golden) - [Flights from Bogotá to North Central Colorado](https://www.expedia.ca/lp/flights/178238/6056771/bogota-to-north-central-colorado) - [Flights from Boston to North Central Colorado](https://www.expedia.ca/lp/flights/178239/6056771/boston-to-north-central-colorado) - [Flights from Calgary to Denver](https://www.expedia.ca/lp/flights/178245/178254/calgary-to-denver) - [Flights from Calgary to Golden](https://www.expedia.ca/lp/flights/178245/8009/calgary-to-golden) - [Flights from Charlotte to North Central Colorado](https://www.expedia.ca/lp/flights/178247/6056771/charlotte-to-north-central-colorado) - [Flights from Indianapolis to North Central Colorado](https://www.expedia.ca/lp/flights/178266/6056771/indianapolis-to-north-central-colorado) - [Flights from Nashville to North Central Colorado](https://www.expedia.ca/lp/flights/178291/6056771/nashville-to-north-central-colorado) - [Flights from Ottawa to Aurora](https://www.expedia.ca/lp/flights/178296/6629/ottawa-to-aurora) - [Flights from Phoenix to North Central Colorado](https://www.expedia.ca/lp/flights/178298/6056771/phoenix-to-north-central-colorado) - [Flights from Seattle to North Central Colorado](https://www.expedia.ca/lp/flights/178307/6056771/seattle-to-north-central-colorado) - [Flights from Seattle to Aurora](https://www.expedia.ca/lp/flights/178307/6629/seattle-to-aurora) - [Flights from Toronto to Aurora](https://www.expedia.ca/lp/flights/178314/6629/toronto-to-aurora) - [Flights from Vancouver to Golden](https://www.expedia.ca/lp/flights/178315/8009/vancouver-to-golden) - [Flights from Edmonton to Golden](https://www.expedia.ca/lp/flights/180002/8009/edmonton-to-golden) - [Flights from Hamilton to Golden](https://www.expedia.ca/lp/flights/3963/8009/hamilton-to-golden) - [Flights from London to Denver](https://www.expedia.ca/lp/flights/4127/178254/london-to-denver) - [Flights from Rochester to North Central Colorado](https://www.expedia.ca/lp/flights/602966/6056771/rochester-to-north-central-colorado) - [Flights from Albuquerque (ABQ) to Denver (DEN)](https://www.expedia.ca/lp/flights/abq/den/albuquerque-to-denver) - [Flights from Waterloo (ALO) to Denver (DEN)](https://www.expedia.ca/lp/flights/alo/den/waterloo-to-denver) - [Flights from Aspen (ASE) to Denver (DEN)](https://www.expedia.ca/lp/flights/ase/den/aspen-to-denver) - [Flights from Atlanta (ATL) to Denver (DEN)](https://www.expedia.ca/lp/flights/atl/den/atlanta-to-denver) - [Flights from Austin (AUS) to Denver (DEN)](https://www.expedia.ca/lp/flights/aus/den/austin-to-denver) - [Flights from Bangor (BGR) to Denver (DEN)](https://www.expedia.ca/lp/flights/bgr/den/bangor-to-denver) - [Flights from Billings (BIL) to Denver (DEN)](https://www.expedia.ca/lp/flights/bil/den/billings-to-denver) - [Flights from Nashville (BNA) to Denver (DEN)](https://www.expedia.ca/lp/flights/bna/den/nashville-to-denver) - [Flights from Boston (BOS) to Denver (DEN)](https://www.expedia.ca/lp/flights/bos/den/boston-to-denver) - [Flights from Burlington (BTV) to Denver (DEN)](https://www.expedia.ca/lp/flights/btv/den/burlington-to-denver) - [Flights from Baltimore (BWI) to Denver (DEN)](https://www.expedia.ca/lp/flights/bwi/den/baltimore-to-denver) - [Flights from Sault Ste. Marie (CIU) to Denver (DEN)](https://www.expedia.ca/lp/flights/ciu/den/sault-ste-marie-to-denver) - [Flights from Cleveland (CLE) to Denver (DEN)](https://www.expedia.ca/lp/flights/cle/den/cleveland-to-denver) - [Flights from Charlotte (CLT) to Denver (DEN)](https://www.expedia.ca/lp/flights/clt/den/charlotte-to-denver) - [Flights from Columbus (CMH) to Broomfield (BJC)](https://www.expedia.ca/lp/flights/cmh/bjc/columbus-to-broomfield) - [Flights from Moab (CNY) to Denver (DEN)](https://www.expedia.ca/lp/flights/cny/den/moab-to-denver) - [Flights from Cincinnati (CVG) to Denver (DEN)](https://www.expedia.ca/lp/flights/cvg/den/cincinnati-to-denver) - [Flights from Cheyenne (CYS) to Denver (DEN)](https://www.expedia.ca/lp/flights/cys/den/cheyenne-to-denver) - [Flights from Washington (DCA) to Denver (DEN)](https://www.expedia.ca/lp/flights/dca/den/washington-to-denver) - [Flights from Duluth (DLH) to Denver (DEN)](https://www.expedia.ca/lp/flights/dlh/den/duluth-to-denver) - [Flights from Vail (EGE) to Denver (DEN)](https://www.expedia.ca/lp/flights/ege/den/vail-to-denver) - [Flights from Fargo (FAR) to Denver (DEN)](https://www.expedia.ca/lp/flights/far/den/fargo-to-denver) - [Flights from Kalispell (FCA) to Denver (DEN)](https://www.expedia.ca/lp/flights/fca/den/kalispell-to-denver) - [Flights from Fort Lauderdale (FLL) to Denver (DEN)](https://www.expedia.ca/lp/flights/fll/den/fort-lauderdale-to-denver) - [Flights from Spokane (GEG) to Denver (DEN)](https://www.expedia.ca/lp/flights/geg/den/spokane-to-denver) - [Flights from Grand Forks (GFK) to Denver (DEN)](https://www.expedia.ca/lp/flights/gfk/den/grand-forks-to-denver) - [Flights from Grand Junction (GJT) to Denver (DEN)](https://www.expedia.ca/lp/flights/gjt/den/grand-junction-to-denver) - [Flights from Glasgow (GLA) to Denver (DEN)](https://www.expedia.ca/lp/flights/gla/den/glasgow-to-denver) - [Flights from Gainesville (GNV) to Broomfield (BJC)](https://www.expedia.ca/lp/flights/gnv/bjc/gainesville-to-broomfield) - [Flights from Great Falls (GTF) to Denver (DEN)](https://www.expedia.ca/lp/flights/gtf/den/great-falls-to-denver) - [Flights from Jackson Hole (JAC) to Denver (DEN)](https://www.expedia.ca/lp/flights/jac/den/jackson-hole-to-denver) - [Flights from Kansas City (MCI) to Denver (DEN)](https://www.expedia.ca/lp/flights/mci/den/kansas-city-to-denver) - [Flights from Orlando (MCO) to Denver (DEN)](https://www.expedia.ca/lp/flights/mco/den/orlando-to-denver) - [Flights from New York (NYC) to Denver (DEN)](https://www.expedia.ca/lp/flights/nyc/den/new-york-to-denver) - [Flights from Ogdensburg (OGS) to Denver (DEN)](https://www.expedia.ca/lp/flights/ogs/den/ogdensburg-to-denver) - [Flights from Oklahoma City (OKC) to Denver (DEN)](https://www.expedia.ca/lp/flights/okc/den/oklahoma-city-to-denver) - [Flights from Omaha (OMA) to Denver (DEN)](https://www.expedia.ca/lp/flights/oma/den/omaha-to-denver) - [Flights from Ontario (ONT) to Denver (DEN)](https://www.expedia.ca/lp/flights/ont/den/ontario-to-denver) - [Flights from Plattsburgh (PBG) to Denver (DEN)](https://www.expedia.ca/lp/flights/pbg/den/plattsburgh-to-denver) - [Flights from Portland (PDX) to Denver (DEN)](https://www.expedia.ca/lp/flights/pdx/den/portland-to-denver) - [Flights from Philadelphia (PHL) to Denver (DEN)](https://www.expedia.ca/lp/flights/phl/den/philadelphia-to-denver) - [Flights from Palm Springs (PSP) to Denver (DEN)](https://www.expedia.ca/lp/flights/psp/den/palm-springs-to-denver) - [Flights from Raleigh (RDU) to Denver (DEN)](https://www.expedia.ca/lp/flights/rdu/den/raleigh-to-denver) - [Flights from San Diego (SAN) to Denver (DEN)](https://www.expedia.ca/lp/flights/san/den/san-diego-to-denver) - [Flights from Seattle (SEA) to Broomfield (BJC)](https://www.expedia.ca/lp/flights/sea/bjc/seattle-to-broomfield) - [Flights from San Francisco (SFO) to Denver (DEN)](https://www.expedia.ca/lp/flights/sfo/den/san-francisco-to-denver) - [Flights from San Jose (SJC) to Broomfield (BJC)](https://www.expedia.ca/lp/flights/sjc/bjc/san-jose-to-broomfield) - [Flights from St. Louis (STL) to Denver (DEN)](https://www.expedia.ca/lp/flights/stl/den/st-louis-to-denver) - [Flights from Syracuse (SYR) to Denver (DEN)](https://www.expedia.ca/lp/flights/syr/den/syracuse-to-denver) - [Flights from Tampa (TPA) to Denver (DEN)](https://www.expedia.ca/lp/flights/tpa/den/tampa-to-denver) - [Flights from Tucson (TUS) to Denver (DEN)](https://www.expedia.ca/lp/flights/tus/den/tucson-to-denver) - [Flights from Nanaimo (YCD) to Denver (DEN)](https://www.expedia.ca/lp/flights/ycd/den/nanaimo-to-denver) - [Flights from Castlegar (YCG) to Denver (DEN)](https://www.expedia.ca/lp/flights/ycg/den/castlegar-to-denver) - [Flights from Fredericton (YFC) to Denver (DEN)](https://www.expedia.ca/lp/flights/yfc/den/fredericton-to-denver) - [Flights from Hamilton (YHM) to Denver (DEN)](https://www.expedia.ca/lp/flights/yhm/den/hamilton-to-denver) - [Flights from Kamloops (YKA) to Denver (DEN)](https://www.expedia.ca/lp/flights/yka/den/kamloops-to-denver) - [Flights from Kitchener (YKF) to Denver (DEN)](https://www.expedia.ca/lp/flights/ykf/den/kitchener-to-denver) - [Flights from Fort McMurray (YMM) to Denver (DEN)](https://www.expedia.ca/lp/flights/ymm/den/fort-mcmurray-to-denver) - [Flights from Québec (YQB) to Denver (DEN)](https://www.expedia.ca/lp/flights/yqb/den/quebec-to-denver) - [Flights from Windsor (YQG) to Denver (DEN)](https://www.expedia.ca/lp/flights/yqg/den/windsor-to-denver) - [Flights from Lethbridge (YQL) to Denver (DEN)](https://www.expedia.ca/lp/flights/yql/den/lethbridge-to-denver) - [Flights from Moncton (YQM) to Denver (DEN)](https://www.expedia.ca/lp/flights/yqm/den/moncton-to-denver) - [Flights from Comox (YQQ) to Denver (DEN)](https://www.expedia.ca/lp/flights/yqq/den/comox-to-denver) - [Flights from Thunder Bay (YQT) to Denver (DEN)](https://www.expedia.ca/lp/flights/yqt/den/thunder-bay-to-denver) - [Flights from Grande Prairie (YQU) to Denver (DEN)](https://www.expedia.ca/lp/flights/yqu/den/grande-prairie-to-denver) - [Flights from Sudbury (YSB) to Denver (DEN)](https://www.expedia.ca/lp/flights/ysb/den/sudbury-to-denver) - [Flights from Toronto (YTZ) to Denver (DEN)](https://www.expedia.ca/lp/flights/ytz/den/toronto-to-denver) - [Flights from Montreal (YUL) to Broomfield (BJC)](https://www.expedia.ca/lp/flights/yul/bjc/montreal-to-broomfield) - [Flights from Vancouver (YVR) to Denver (DEN)](https://www.expedia.ca/lp/flights/yvr/den/vancouver-to-denver) - [Flights from Winnipeg (YWG) to Broomfield (BJC)](https://www.expedia.ca/lp/flights/ywg/bjc/winnipeg-to-broomfield) - [Flights from Cranbrook (YXC) to Denver (DEN)](https://www.expedia.ca/lp/flights/yxc/den/cranbrook-to-denver) - [Flights from Medicine Hat (YXH) to Denver (DEN)](https://www.expedia.ca/lp/flights/yxh/den/medicine-hat-to-denver) - [Flights from Prince George (YXS) to Denver (DEN)](https://www.expedia.ca/lp/flights/yxs/den/prince-george-to-denver) - [Flights from Abbotsford (YXX) to Denver (DEN)](https://www.expedia.ca/lp/flights/yxx/den/abbotsford-to-denver) - [Flights from Calgary (YYC) to Broomfield (BJC)](https://www.expedia.ca/lp/flights/yyc/bjc/calgary-to-broomfield) - [Flights from Calgary (YYC) to Denver (DEN)](https://www.expedia.ca/lp/flights/yyc/den/calgary-to-denver) - [Flights from Charlottetown (YYG) to Denver (DEN)](https://www.expedia.ca/lp/flights/yyg/den/charlottetown-to-denver) - [Flights from St. John's (YYT) to Denver (DEN)](https://www.expedia.ca/lp/flights/yyt/den/st-johns-to-denver) - [Flights from Toronto (YYZ) to Denver (DEN)](https://www.expedia.ca/lp/flights/yyz/den/toronto-to-denver) - [Flights from Nanaimo (ZNA) to Denver (DEN)](https://www.expedia.ca/lp/flights/zna/den/nanaimo-to-denver) \*Available to Expedia members.