Title: Cheap Flights from Phoenix to Boulder (PHX to WBU) - Expedia.co.uk ![Boulder which includes 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 Phoenix (PHX) to Boulder (WBU) - [Return](?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 Sky Harbor International Airport (PHX) to Boulder, CO (WBU-Boulder Municipal) - ![British Airways](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_BA.svg) British Airways [](https://www.expedia.co.uk/Flights-Search?leg1=from:phx,to:wbu,departure:02/10/2025TANYT&leg2=from:wbu,to:phx,departure:09/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"BA"}}]) - ![easyJet](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_U2.svg) easyJet [](https://www.expedia.co.uk/Flights-Search?leg1=from:phx,to:wbu,departure:02/10/2025TANYT&leg2=from:wbu,to:phx,departure:09/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"U2"}}]) - ![Lufthansa](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_LH.svg) Lufthansa [](https://www.expedia.co.uk/Flights-Search?leg1=from:phx,to:wbu,departure:02/10/2025TANYT&leg2=from:wbu,to:phx,departure:09/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"LH"}}]) - ![Ryanair](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_FR.svg) Ryanair [](https://www.expedia.co.uk/Flights-Search?leg1=from:phx,to:wbu,departure:02/10/2025TANYT&leg2=from:wbu,to:phx,departure:09/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"FR"}}]) - ![American Airlines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AA.svg) American Airlines [](https://www.expedia.co.uk/Flights-Search?leg1=from:phx,to:wbu,departure:02/10/2025TANYT&leg2=from:wbu,to:phx,departure:09/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AA"}}]) - ![Jet2](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_LS.svg) Jet2 [](https://www.expedia.co.uk/Flights-Search?leg1=from:phx,to:wbu,departure:02/10/2025TANYT&leg2=from:wbu,to:phx,departure:09/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"LS"}}]) - ![Swiss International Air Lines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_LX.svg) Swiss International Air Lines [](https://www.expedia.co.uk/Flights-Search?leg1=from:phx,to:wbu,departure:02/10/2025TANYT&leg2=from:wbu,to:phx,departure:09/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"LX"}}]) - ## Plan, book, fly with confidence - ### Be in the know Get alerts if flight prices drop or rise\* - ### Book smarter Save up to 25% on select hotels after you book a flight\* - ### Earn twice Earn your airline miles on top of our rewards [Sign in](https://www.expedia.co.uk/login) Flight from Phoenix to Boulder route information | Origin airport | Sky Harbor Intl. | | --- | --- | | Destination airport | Boulder Municipal | | Distance | 944 km | ## Compare flights from Phoenix to Boulder easily and book with confidence For travelling on business or for pleasure, Expedia makes it easy to book your flights from Phoenix to Boulder. Operating between them flights per day, airlines cover the route. And fly direct, getting you to Boulder Municipal in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Sky Harbor Intl. to Boulder Municipal.   To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights.  Grab a great deal on your flight from Sky Harbor Intl. (PHX) to Boulder Municipal (WBU) The easiest way to view the best deals on flights from Phoenix to Boulder today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from Sky Harbor Intl. to Boulder Municipal start at just and range up to .   To find an even better deal, try   - being flexible on your dates – midweek flights can be cheaper - looking for other airports near Phoenix and Boulder - booking your flight during , the cheapest month on this route - varying your flight times – early morning and late at night are sometimes cheaper  Why you should book your Phoenix to Boulder flight with Expedia! We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Sky Harbor Intl. to Boulder Municipal for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.   Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.   ## Frequently asked questions ### How much is a flight from Phoenix Sky Harbour Intl. Airport to WBU? > The lowest price advertised for a round-trip journey between Sky Harbour Intl. Airport (PHX) and WBU is . But you better get a move on. This price is based on fares offered within the last 7 days on Expedia for flights departing within the next year. Prices and availability are subject to change. Additional terms apply. ### Do I need to pay a cancellation fee if I cancel my flight from PHX to WBU? > We understand that your situation can change unexpectedly, so we've made it as easy as possible for you to cancel your flight online. Just visit the [Customer Service Portal](https://www.expedia.co.uk/service/?langid=1033) and follow the instructions. ### How do I find cheap flights from Sky Harbour Intl. Airport (PHX) to WBU that have flexible change policies? > Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for Phoenix Sky Harbour Intl. Airport to WBU flights, you'll see a "no change fees" filter for you to select. ### How far is the flight from Sky Harbour Intl. Airport (PHX) to WBU? > You can forget about a movie marathon on this flight — it's just 950 kilometres from Phoenix to Boulder. Find your seat, buckle up and you'll be there before long. ### Which airlines fly direct from Phoenix Sky Harbour Intl. Airport to WBU? > Flying nonstop between Sky Harbour Intl. Airport (PHX) and WBU isn't possible right now. However, you'll still be able to book a flight to Boulder with at least one stop. ### Are Phoenix Sky Harbour Airport to WBU flight tickets cheaper when they're purchased at the last minute? > Late planners can occasionally score a bargain, with some of the cheapest fares from Phoenix Sky Harbour Intl. Airport to WBU cropping up a few weeks before the departure date. If you'd rather book ahead of time, Expedia compares and updates all the best flight deals regularly — as early as a year in advance in some cases. It does depend on the carrier though, as not all airlines issue prices that far in advance. ## Explore a world of travel with Expedia - Flights ### Flights - [Flights from Albuquerque (ABQ) to Denver (DEN)](https://www.expedia.co.uk/lp/flights/abq/den/albuquerque-to-denver) - [Flights from Aberdeen (ABR) to Denver (DEN)](https://www.expedia.co.uk/lp/flights/abr/den/aberdeen-to-denver) - [Flights from Aberdeen (ABZ) to Denver (DEN)](https://www.expedia.co.uk/lp/flights/abz/den/aberdeen-to-denver) - [Flights from Amsterdam (AMS) to Denver (DEN)](https://www.expedia.co.uk/lp/flights/ams/den/amsterdam-to-denver) - [Flights from Austin (AUS) to Denver (DEN)](https://www.expedia.co.uk/lp/flights/aus/den/austin-to-denver) - [Flights from Belfast (BFS) to Denver (DEN)](https://www.expedia.co.uk/lp/flights/bfs/den/belfast-to-denver) - [Flights from Belfast (BHD) to Denver (DEN)](https://www.expedia.co.uk/lp/flights/bhd/den/belfast-to-denver) - [Flights from Birmingham (BHM) to Fort Collins (FNL)](https://www.expedia.co.uk/lp/flights/bhm/fnl/birmingham-to-fort-collins) - [Flights from Bangkok (BKK) to Denver (DEN)](https://www.expedia.co.uk/lp/flights/bkk/den/bangkok-to-denver) - [Flights from Nashville (BNA) to Denver (DEN)](https://www.expedia.co.uk/lp/flights/bna/den/nashville-to-denver) - [Flights from Bournemouth (BOH) to Denver (DEN)](https://www.expedia.co.uk/lp/flights/boh/den/bournemouth-to-denver) - [Flights from Boston (BOS) to Broomfield (BJC)](https://www.expedia.co.uk/lp/flights/bos/bjc/boston-to-broomfield) - [Flights from Boston (BOS) to Denver (DEN)](https://www.expedia.co.uk/lp/flights/bos/den/boston-to-denver) - [Flights from Boston (BOS) to Fort Collins (FNL)](https://www.expedia.co.uk/lp/flights/bos/fnl/boston-to-fort-collins) - [Flights from Buffalo (BUF) to Denver (DEN)](https://www.expedia.co.uk/lp/flights/buf/den/buffalo-to-denver) - [Flights from Baltimore (BWI) to Denver (DEN)](https://www.expedia.co.uk/lp/flights/bwi/den/baltimore-to-denver) - [Flights from Paris (CDG) to Denver (DEN)](https://www.expedia.co.uk/lp/flights/cdg/den/paris-to-denver) - [Flights from Charlotte (CLT) to Denver (DEN)](https://www.expedia.co.uk/lp/flights/clt/den/charlotte-to-denver) - [Flights from Columbus (CMH) to Denver (DEN)](https://www.expedia.co.uk/lp/flights/cmh/den/columbus-to-denver) - [Flights from Moab (CNY) to Denver (DEN)](https://www.expedia.co.uk/lp/flights/cny/den/moab-to-denver) - [Flights from Casper (CPR) to Fort Collins (FNL)](https://www.expedia.co.uk/lp/flights/cpr/fnl/casper-to-fort-collins) - [Flights from Cincinnati (CVG) to Denver (DEN)](https://www.expedia.co.uk/lp/flights/cvg/den/cincinnati-to-denver) - [Flights from Cardiff (CWL) to Denver (DEN)](https://www.expedia.co.uk/lp/flights/cwl/den/cardiff-to-denver) - [Flights from Cheyenne (CYS) to Denver (DEN)](https://www.expedia.co.uk/lp/flights/cys/den/cheyenne-to-denver) - [Flights from Washington (DCA) to Denver (DEN)](https://www.expedia.co.uk/lp/flights/dca/den/washington-to-denver) - [Flights from Dallas (DFW) to Broomfield (BJC)](https://www.expedia.co.uk/lp/flights/dfw/bjc/dallas-to-broomfield) - [Flights from Dallas (DFW) to Denver (DEN)](https://www.expedia.co.uk/lp/flights/dfw/den/dallas-to-denver) - [Flights from Dallas (DFW) to Fort Collins (FNL)](https://www.expedia.co.uk/lp/flights/dfw/fnl/dallas-to-fort-collins) - [Flights from Des Moines (DSM) to Denver (DEN)](https://www.expedia.co.uk/lp/flights/dsm/den/des-moines-to-denver) - [Flights from Detroit (DTW) to Denver (DEN)](https://www.expedia.co.uk/lp/flights/dtw/den/detroit-to-denver) - [Flights from Dublin (DUB) to Denver (DEN)](https://www.expedia.co.uk/lp/flights/dub/den/dublin-to-denver) - [Flights from Eau Claire (EAU) to Fort Collins (FNL)](https://www.expedia.co.uk/lp/flights/eau/fnl/eau-claire-to-fort-collins) - [Flights from Edinburgh (EDI) to Broomfield (BJC)](https://www.expedia.co.uk/lp/flights/edi/bjc/edinburgh-to-broomfield) - [Flights from Edinburgh (EDI) to Denver (DEN)](https://www.expedia.co.uk/lp/flights/edi/den/edinburgh-to-denver) - [Flights from Vail (EGE) to Denver (DEN)](https://www.expedia.co.uk/lp/flights/ege/den/vail-to-denver) - [Flights from El Paso (ELP) to Denver (DEN)](https://www.expedia.co.uk/lp/flights/elp/den/el-paso-to-denver) - [Flights from East Midlands (EMA) to Denver (DEN)](https://www.expedia.co.uk/lp/flights/ema/den/east-midlands-to-denver) - [Flights from Newark Liberty Intl. Airport (EWR) to Denver (DEN)](https://www.expedia.co.uk/lp/flights/ewr/den/newark-liberty-intl-airport-to-denver) - [Flights from Exeter (EXT) to Denver (DEN)](https://www.expedia.co.uk/lp/flights/ext/den/exeter-to-denver) - [Flights from Fort Lauderdale (FLL) to Denver (DEN)](https://www.expedia.co.uk/lp/flights/fll/den/fort-lauderdale-to-denver) - [Flights from Frankfurt (FRA) to Denver (DEN)](https://www.expedia.co.uk/lp/flights/fra/den/frankfurt-to-denver) - [Flights from Frankfurt (FRA) to Fort Collins (FNL)](https://www.expedia.co.uk/lp/flights/fra/fnl/frankfurt-to-fort-collins) - [Flights from Spokane (GEG) to Fort Collins (FNL)](https://www.expedia.co.uk/lp/flights/geg/fnl/spokane-to-fort-collins) - [Flights from Grand Junction (GJT) to Denver (DEN)](https://www.expedia.co.uk/lp/flights/gjt/den/grand-junction-to-denver) - [Flights from Hull (HUY) to Denver (DEN)](https://www.expedia.co.uk/lp/flights/huy/den/hull-to-denver) - [Flights from Hays (HYS) to Fort Collins (FNL)](https://www.expedia.co.uk/lp/flights/hys/fnl/hays-to-fort-collins) - [Flights from Idaho Falls (IDA) to Denver (DEN)](https://www.expedia.co.uk/lp/flights/ida/den/idaho-falls-to-denver) - [Flights from Indianapolis (IND) to Broomfield (BJC)](https://www.expedia.co.uk/lp/flights/ind/bjc/indianapolis-to-broomfield) - [Flights from Indianapolis (IND) to Denver (DEN)](https://www.expedia.co.uk/lp/flights/ind/den/indianapolis-to-denver) - [Flights from Jackson Hole (JAC) to Denver (DEN)](https://www.expedia.co.uk/lp/flights/jac/den/jackson-hole-to-denver) - [Flights from New York (JFK) to Denver (DEN)](https://www.expedia.co.uk/lp/flights/jfk/den/new-york-to-denver) - [Flights from Reykjavik (KEF) to Denver (DEN)](https://www.expedia.co.uk/lp/flights/kef/den/reykjavik-to-denver) - [Flights from Las Vegas (LAS) to Fort Collins (FNL)](https://www.expedia.co.uk/lp/flights/las/fnl/las-vegas-to-fort-collins) - [Flights from Los Angeles (LAX) to Denver (DEN)](https://www.expedia.co.uk/lp/flights/lax/den/los-angeles-to-denver) - [Flights from Leeds (LBA) to Denver (DEN)](https://www.expedia.co.uk/lp/flights/lba/den/leeds-to-denver) - [Flights from New York (LGA) to Denver (DEN)](https://www.expedia.co.uk/lp/flights/lga/den/new-york-to-denver) - [Flights from London (LHR) to Broomfield (BJC)](https://www.expedia.co.uk/lp/flights/lhr/bjc/london-to-broomfield) - [Flights from London (LHR) to Denver (DEN)](https://www.expedia.co.uk/lp/flights/lhr/den/london-to-denver) - [Flights from London (LHR) to Fort Collins (FNL)](https://www.expedia.co.uk/lp/flights/lhr/fnl/london-to-fort-collins) - [Flights from London (LON) to Denver (DEN)](https://www.expedia.co.uk/lp/flights/lon/den/london-to-denver) - [Flights from Liverpool (LPL) to Denver (DEN)](https://www.expedia.co.uk/lp/flights/lpl/den/liverpool-to-denver) - [Flights from Liverpool (LPL) to Fort Collins (FNL)](https://www.expedia.co.uk/lp/flights/lpl/fnl/liverpool-to-fort-collins) - [Flights from Manchester (MAN) to Denver (DEN)](https://www.expedia.co.uk/lp/flights/man/den/manchester-to-denver) - [Flights from Manchester (MAN) to Fort Collins (FNL)](https://www.expedia.co.uk/lp/flights/man/fnl/manchester-to-fort-collins) - [Flights from Montego Bay (MBJ) to Denver (DEN)](https://www.expedia.co.uk/lp/flights/mbj/den/montego-bay-to-denver) - [Flights from Kansas City (MCI) to Denver (DEN)](https://www.expedia.co.uk/lp/flights/mci/den/kansas-city-to-denver) - [Flights from Mexico City (MEX) to Denver (DEN)](https://www.expedia.co.uk/lp/flights/mex/den/mexico-city-to-denver) - [Flights from Manchester (MHT) to Denver (DEN)](https://www.expedia.co.uk/lp/flights/mht/den/manchester-to-denver) - [Flights from Milwaukee (MKE) to Denver (DEN)](https://www.expedia.co.uk/lp/flights/mke/den/milwaukee-to-denver) - [Flights from Minneapolis (MSP) to Denver (DEN)](https://www.expedia.co.uk/lp/flights/msp/den/minneapolis-to-denver) - [Flights from New Orleans (MSY) to Denver (DEN)](https://www.expedia.co.uk/lp/flights/msy/den/new-orleans-to-denver) - [Flights from Montrose (MTJ) to Denver (DEN)](https://www.expedia.co.uk/lp/flights/mtj/den/montrose-to-denver) - [Flights from Newcastle (NCL) to Denver (DEN)](https://www.expedia.co.uk/lp/flights/ncl/den/newcastle-to-denver) - [Flights from Norwich (NWI) to Denver (DEN)](https://www.expedia.co.uk/lp/flights/nwi/den/norwich-to-denver) - [Flights from New York (NYC) to Denver (DEN)](https://www.expedia.co.uk/lp/flights/nyc/den/new-york-to-denver) - [Flights from Oklahoma City (OKC) to Denver (DEN)](https://www.expedia.co.uk/lp/flights/okc/den/oklahoma-city-to-denver) - [Flights from Omaha (OMA) to Denver (DEN)](https://www.expedia.co.uk/lp/flights/oma/den/omaha-to-denver) - [Flights from Ontario (ONT) to Denver (DEN)](https://www.expedia.co.uk/lp/flights/ont/den/ontario-to-denver) - [Flights from Portland (PDX) to Denver (DEN)](https://www.expedia.co.uk/lp/flights/pdx/den/portland-to-denver) - [Flights from Pittsburgh (PIT) to Denver (DEN)](https://www.expedia.co.uk/lp/flights/pit/den/pittsburgh-to-denver) - [Flights from Palm Springs (PSP) to Denver (DEN)](https://www.expedia.co.uk/lp/flights/psp/den/palm-springs-to-denver) - [Flights from Rapid City (RAP) to Denver (DEN)](https://www.expedia.co.uk/lp/flights/rap/den/rapid-city-to-denver) - [Flights from Raleigh (RDU) to Denver (DEN)](https://www.expedia.co.uk/lp/flights/rdu/den/raleigh-to-denver) - [Flights from Rochester (ROC) to Denver (DEN)](https://www.expedia.co.uk/lp/flights/roc/den/rochester-to-denver) - [Flights from San Antonio (SAT) to Denver (DEN)](https://www.expedia.co.uk/lp/flights/sat/den/san-antonio-to-denver) - [Flights from San Francisco (SFO) to Denver (DEN)](https://www.expedia.co.uk/lp/flights/sfo/den/san-francisco-to-denver) - [Flights from San Jose (SJC) to Denver (DEN)](https://www.expedia.co.uk/lp/flights/sjc/den/san-jose-to-denver) - [Flights from San Juan (SJU) to Fort Collins (FNL)](https://www.expedia.co.uk/lp/flights/sju/fnl/san-juan-to-fort-collins) - [Flights from Salt Lake City (SLC) to Fort Collins (FNL)](https://www.expedia.co.uk/lp/flights/slc/fnl/salt-lake-city-to-fort-collins) - [Flights from Sacramento (SMF) to Denver (DEN)](https://www.expedia.co.uk/lp/flights/smf/den/sacramento-to-denver) - [Flights from Orange County (SNA) to Denver (DEN)](https://www.expedia.co.uk/lp/flights/sna/den/orange-county-to-denver) - [Flights from Southampton (SOU) to Denver (DEN)](https://www.expedia.co.uk/lp/flights/sou/den/southampton-to-denver) - [Flights from St. Louis (STL) to Denver (DEN)](https://www.expedia.co.uk/lp/flights/stl/den/st-louis-to-denver) - [Flights from Tampa (TPA) to Denver (DEN)](https://www.expedia.co.uk/lp/flights/tpa/den/tampa-to-denver) - [Flights from Tulsa (TUL) to Denver (DEN)](https://www.expedia.co.uk/lp/flights/tul/den/tulsa-to-denver) - [Flights from West Yellowstone (WYS) to Denver (DEN)](https://www.expedia.co.uk/lp/flights/wys/den/west-yellowstone-to-denver) - [Flights from Halifax (YHZ) to Denver (DEN)](https://www.expedia.co.uk/lp/flights/yhz/den/halifax-to-denver) - [Flights from Vancouver (YVR) to Denver (DEN)](https://www.expedia.co.uk/lp/flights/yvr/den/vancouver-to-denver) - [Flights from Calgary (YYC) to Denver (DEN)](https://www.expedia.co.uk/lp/flights/yyc/den/calgary-to-denver) - [Flights from Toronto (YYZ) to Denver (DEN)](https://www.expedia.co.uk/lp/flights/yyz/den/toronto-to-denver) \*Available to Expedia members.