Cheap Flights from Barcelona to Mountain States

View €503 flight on Fri, 9 Jan 2026Opens in a new window

Popular airlines from Barcelona to Mountain States

  • Air Canada

    Air Canada

  • British Airways

    British Airways

  • Swiss International Air Lines

    Swiss International Air Lines

  • Virgin Atlantic

    Virgin Atlantic

  • Delta

    Delta

  • KLM

    KLM

  • American Airlines

    American Airlines

  • Plan, book, fly with confidence

  • trending down icon

    Be in the know

    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon

    Book smarter

    Save up to 15% on select hotels after you book a flight*
  • payments icon

    Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Cheap flights from Barcelona to Mountain States (BCN-DEN)

Prices were available within the past 7 days and start at €503 for one-way flights and €499 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Aer Lingus
Fri, 5 Sep - Sun, 21 Sep
BCN
Barcelona
DEN
Denver
€499 Return, found 3 days ago
€499
Return
found 3 days ago
Select Aer Lingus flight, departing Fri, 5 Sep from Barcelona to Denver, returning Sun, 21 Sep, priced at €499 found 3 days ago
British Airways
Thu, 4 Dec - Mon, 8 Dec
BCN
Barcelona
LAS
Las Vegas
€675 Return, found 5 days ago
€675
Return
found 5 days ago
Select British Airways flight, departing Thu, 4 Dec from Barcelona to Las Vegas, returning Mon, 8 Dec, priced at €675 found 5 days ago
Lufthansa
Fri, 5 Sep - Sun, 21 Sep
BCN
Barcelona
DEN
Denver
€676 Return, found 3 days ago
€676
Return
found 3 days ago
Select Lufthansa flight, departing Fri, 5 Sep from Barcelona to Denver, returning Sun, 21 Sep, priced at €676 found 3 days ago
Iberia
Wed, 3 Sep - Sun, 7 Sep
BCN
Barcelona
LAS
Las Vegas
€686 Return, found 4 days ago
€686
Return
found 4 days ago
Select Iberia flight, departing Wed, 3 Sep from Barcelona to Las Vegas, returning Sun, 7 Sep, priced at €686 found 4 days ago
Icelandair
Fri, 5 Sep - Sun, 21 Sep
BCN
Barcelona
DEN
Denver
€689 Return, found 3 days ago
€689
Return
found 3 days ago
Select Icelandair flight, departing Fri, 5 Sep from Barcelona to Denver, returning Sun, 21 Sep, priced at €689 found 3 days ago
Air Canada
Fri, 7 Nov - Thu, 13 Nov
BCN
Barcelona
LAS
Las Vegas
€702 Return, found 5 days ago
€702
Return
found 5 days ago
Select Air Canada flight, departing Fri, 7 Nov from Barcelona to Las Vegas, returning Thu, 13 Nov, priced at €702 found 5 days ago

Find the cheapest month to fly from Barcelona (BCN) to Las Vegas (LAS)

February is typically the cheapest month to fly

From €503 - €982 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.