---
title: "Belfast to Aspen cheap flights (BFS to ASE) - Expedia"
description: "Book cheap Flights from Belfast (BFS) to Aspen (ASE) start at for one-way and for round trip. Earn your airline miles on top of our rewards!"
canonical: "https://www.expedia.com/lp/flights/bfs/ase/belfast-to-aspen"
language: en-US
market: US
currency: USD
prices_as_of: 2026-11-13T06:36:07Z
---

# Cheap Flights from Belfast (BFS) to Aspen (ASE)
![A mountain road flanked by dense forests and snow-capped peaks under a clear sky.](https://images.trvl-media.com/place/6026249/8c070ee8-6b61-4f4f-a3e8-2b740eb2ab81.jpg?impolicy=fcrop&w=1200&h=500&q=medium)

## Popular airlines from Belfast International Airport (BFS) to Aspen/Pitkin County Airport (ASE)

[American Airlines](https://www.expedia.com/Flights-Search?leg1=from:BFS,to:ASE,departure:11/27/2026TANYT&leg2=from:ASE,to:BFS,departure:12/4/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AA"}}])

[United](https://www.expedia.com/Flights-Search?leg1=from:BFS,to:ASE,departure:11/27/2026TANYT&leg2=from:ASE,to:BFS,departure:12/4/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"UA"}}])

[Southwest Airlines](https://www.expedia.com/Flights-Search?leg1=from:BFS,to:ASE,departure:11/27/2026TANYT&leg2=from:ASE,to:BFS,departure:12/4/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"WN"}}])

Southwest Airli · nes

[Delta](https://www.expedia.com/Flights-Search?leg1=from:BFS,to:ASE,departure:11/27/2026TANYT&leg2=from:ASE,to:BFS,departure:12/4/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"DL"}}])

[Frontier Airlines](https://www.expedia.com/Flights-Search?leg1=from:BFS,to:ASE,departure:11/27/2026TANYT&leg2=from:ASE,to:BFS,departure:12/4/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"F9"}}])

[JetBlue Airways](https://www.expedia.com/Flights-Search?leg1=from:BFS,to:ASE,departure:11/27/2026TANYT&leg2=from:ASE,to:BFS,departure:12/4/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"B6"}}])

[Alaska Airlines](https://www.expedia.com/Flights-Search?leg1=from:BFS,to:ASE,departure:11/27/2026TANYT&leg2=from:ASE,to:BFS,departure:12/4/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AS"}}])

### Be in the know
Get alerts if flight prices drop or rise\*

### Book smarter
Save up to 30% on select hotels after you book a flight\*

### Earn twice
Earn your airline miles on top of our OneKeyCash
[Learn about One Key](https://www.expedia.com/welcome-one-key)

## Book with confidence

### Belfast to Aspen Flights

#### The cheapest times to fly from Belfast to Aspen

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Belfast to Aspen are during the month of . You can find some of the cheapest flights from Belfast to Aspen with Expedia's search tool and vast selection of airlines.

#### The best time to book a flight from Belfast to Aspen

Sunday is one of the best days to book for cheap flights from Belfast to Aspen: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

#### How to find cheap round-trip tickets from Belfast to Aspen

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Belfast to Aspen in 2026\. You can also book with separate airlines for your outbound and return journeys, from one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference\*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Belfast to Aspen flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

You could also save big by booking one of Expedia's [vacation packages](https://www.expedia.com/package-deals). Bundling together your Belfast to Aspen airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

*\*Terms apply.*

*Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023\. The percentages you see are averages.*

## Travel information

| Origin airport      | Belfast International Airport |
| ------------------- | ----------------------------- |
| Destination airport | Aspen/Pitkin County Airport   |
| Distance            | 4,445 miles away              |

## Explore a world of travel with Expedia

- [Flights](?equalTargetTab=tab-0)
- [Flights from Cincinnati (CVG) to Aspen (ASE)](https://www.expedia.com/lp/flights/cvg/ase/cincinnati-to-aspen)
- [Flights from New York (JFK) to Aspen (ASE)](https://www.expedia.com/lp/flights/jfk/ase/new-york-to-aspen)
- [Flights from Sacramento (SMF) to Aspen (ASE)](https://www.expedia.com/lp/flights/smf/ase/sacramento-to-aspen)
- [Flights from Atlanta (ATL) to Aspen (ASE)](https://www.expedia.com/lp/flights/atl/ase/atlanta-to-aspen)
- [Flights from Los Angeles (LAX) to Aspen (ASE)](https://www.expedia.com/lp/flights/lax/ase/los-angeles-to-aspen)
- [Flights from Lafayette (LFT) to Aspen (ASE)](https://www.expedia.com/lp/flights/lft/ase/lafayette-to-aspen)
- [Flights from Burbank (BUR) to Aspen (ASE)](https://www.expedia.com/lp/flights/bur/ase/burbank-to-aspen)
- [Flights from Omaha (OMA) to Aspen (ASE)](https://www.expedia.com/lp/flights/oma/ase/omaha-to-aspen)
- [Flights from Boston (BOS) to Aspen (ASE)](https://www.expedia.com/lp/flights/bos/ase/boston-to-aspen)
- [Flights from Jacksonville (JAX) to Aspen (ASE)](https://www.expedia.com/lp/flights/jax/ase/jacksonville-to-aspen)
- [Flights from San José (SJO) to Aspen (ASE)](https://www.expedia.com/lp/flights/sjo/ase/san-jose-to-aspen)
- [Flights from Phoenix (PHX) to Aspen (ASE)](https://www.expedia.com/lp/flights/phx/ase/phoenix-to-aspen)
- [Flights from Steamboat Springs (HDN) to Aspen (ASE)](https://www.expedia.com/lp/flights/hdn/ase/steamboat-springs-to-aspen)
- [Flights from San Antonio (SAT) to Aspen (ASE)](https://www.expedia.com/lp/flights/sat/ase/san-antonio-to-aspen)
- [Flights from San Francisco (SFO) to Aspen (ASE)](https://www.expedia.com/lp/flights/sfo/ase/san-francisco-to-aspen)
- [Flights from Dallas (DFW) to Aspen (ASE)](https://www.expedia.com/lp/flights/dfw/ase/dallas-to-aspen)
- [Flights from San José del Cabo (SJD) to Aspen (ASE)](https://www.expedia.com/lp/flights/sjd/ase/san-jose-del-cabo-to-aspen)
- [Flights from Mexico City (MEX) to Aspen (ASE)](https://www.expedia.com/lp/flights/mex/ase/mexico-city-to-aspen)
- [Flights from Orange County (SNA) to Aspen (ASE)](https://www.expedia.com/lp/flights/sna/ase/orange-county-to-aspen)
- [Flights from Syracuse (SYR) to Aspen (ASE)](https://www.expedia.com/lp/flights/syr/ase/syracuse-to-aspen)
- [Flights from Washington (IAD) to Aspen (ASE)](https://www.expedia.com/lp/flights/iad/ase/washington-to-aspen)
- [Flights from Cleveland (CLE) to Aspen (ASE)](https://www.expedia.com/lp/flights/cle/ase/cleveland-to-aspen)
- [Flights from Knoxville (TYS) to Aspen (ASE)](https://www.expedia.com/lp/flights/tys/ase/knoxville-to-aspen)
- [Flights from Oklahoma City (OKC) to Aspen (ASE)](https://www.expedia.com/lp/flights/okc/ase/oklahoma-city-to-aspen)
- [Flights from Detroit (DTW) to Aspen (ASE)](https://www.expedia.com/lp/flights/dtw/ase/detroit-to-aspen)
- [Flights from Fort Lauderdale (FLL) to Aspen (ASE)](https://www.expedia.com/lp/flights/fll/ase/fort-lauderdale-to-aspen)
- [Flights from Reno (RNO) to Aspen (ASE)](https://www.expedia.com/lp/flights/rno/ase/reno-to-aspen)
- [Flights from Wilmington (ILM) to Aspen (ASE)](https://www.expedia.com/lp/flights/ilm/ase/wilmington-to-aspen)
- [Flights from Tulsa (TUL) to Aspen (ASE)](https://www.expedia.com/lp/flights/tul/ase/tulsa-to-aspen)
- [Flights from Richmond (RIC) to Aspen (ASE)](https://www.expedia.com/lp/flights/ric/ase/richmond-to-aspen)
- [Flights from Scottsdale (SCF) to Aspen (ASE)](https://www.expedia.com/lp/flights/scf/ase/scottsdale-to-aspen)
- [Flights from Tucson (TUS) to Aspen (ASE)](https://www.expedia.com/lp/flights/tus/ase/tucson-to-aspen)
- [Flights from Columbus (CMH) to Aspen (ASE)](https://www.expedia.com/lp/flights/cmh/ase/columbus-to-aspen)
- [Flights from Baltimore (BWI) to Aspen (ASE)](https://www.expedia.com/lp/flights/bwi/ase/baltimore-to-aspen)
- [Flights from Austin (AUS) to Aspen (ASE)](https://www.expedia.com/lp/flights/aus/ase/austin-to-aspen)
- [Flights from New York (LGA) to Aspen (ASE)](https://www.expedia.com/lp/flights/lga/ase/new-york-to-aspen)
- [Flights from Ontario Intl. Airport (ONT) to Aspen (ASE)](https://www.expedia.com/lp/flights/ont/ase/ontario-to-aspen)
- [Flights from Santa Barbara (SBA) to Aspen (ASE)](https://www.expedia.com/lp/flights/sba/ase/santa-barbara-to-aspen)
- [Flights from Fargo (FAR) to Aspen (ASE)](https://www.expedia.com/lp/flights/far/ase/fargo-to-aspen)
- [Flights from Salt Lake City (SLC) to Aspen (ASE)](https://www.expedia.com/lp/flights/slc/ase/salt-lake-city-to-aspen)
- [Flights from Newark Liberty Intl. Airport (EWR) to Aspen (ASE)](https://www.expedia.com/lp/flights/ewr/ase/newark-liberty-intl-airport-to-aspen)
- [Flights from Kansas City (MCI) to Aspen (ASE)](https://www.expedia.com/lp/flights/mci/ase/kansas-city-to-aspen)
- [Flights from Durango (DRO) to Aspen (ASE)](https://www.expedia.com/lp/flights/dro/ase/durango-to-aspen)
- [Flights from Charlotte (CLT) to Aspen (ASE)](https://www.expedia.com/lp/flights/clt/ase/charlotte-to-aspen)
- [Flights from Fort Myers (RSW) to Aspen (ASE)](https://www.expedia.com/lp/flights/rsw/ase/fort-myers-to-aspen)
- [Flights from Nashville (BNA) to Aspen (ASE)](https://www.expedia.com/lp/flights/bna/ase/nashville-to-aspen)
- [Flights from Telluride (TEX) to Aspen (ASE)](https://www.expedia.com/lp/flights/tex/ase/telluride-to-aspen)
- [Flights from Sarasota (SRQ) to Aspen (ASE)](https://www.expedia.com/lp/flights/srq/ase/sarasota-to-aspen)
- [Flights from Lexington (LEX) to Aspen (ASE)](https://www.expedia.com/lp/flights/lex/ase/lexington-to-aspen)
- [Flights from McAllen (MFE) to Aspen (ASE)](https://www.expedia.com/lp/flights/mfe/ase/mcallen-to-aspen)
- [Flights from Burlington (BTV) to Aspen (ASE)](https://www.expedia.com/lp/flights/btv/ase/burlington-to-aspen)
- [Flights from Greenville (GSP) to Aspen (ASE)](https://www.expedia.com/lp/flights/gsp/ase/greenville-to-aspen)
- [Flights from Hartford (BDL) to Aspen (ASE)](https://www.expedia.com/lp/flights/bdl/ase/hartford-to-aspen)
- [Flights from New York (NYC) to Aspen (ASE)](https://www.expedia.com/lp/flights/nyc/ase/new-york-to-aspen)
- [Flights from Grand Junction (GJT) to Aspen (ASE)](https://www.expedia.com/lp/flights/gjt/ase/grand-junction-to-aspen)
- [Flights from Memphis (MEM) to Aspen (ASE)](https://www.expedia.com/lp/flights/mem/ase/memphis-to-aspen)
- [Flights from Gunnison (GUC) to Aspen (ASE)](https://www.expedia.com/lp/flights/guc/ase/gunnison-to-aspen)
- [Flights from Birmingham (BHM) to Aspen (ASE)](https://www.expedia.com/lp/flights/bhm/ase/birmingham-to-aspen)
- [Flights from El Paso (ELP) to Aspen (ASE)](https://www.expedia.com/lp/flights/elp/ase/el-paso-to-aspen)
- [Flights from Milwaukee (MKE) to Aspen (ASE)](https://www.expedia.com/lp/flights/mke/ase/milwaukee-to-aspen)
- [Flights from Long Beach (LGB) to Aspen (ASE)](https://www.expedia.com/lp/flights/lgb/ase/long-beach-to-aspen)
- [Flights from Chicago (ORD) to Aspen (ASE)](https://www.expedia.com/lp/flights/ord/ase/chicago-to-aspen)
- [Flights from Pittsburgh (PIT) to Aspen (ASE)](https://www.expedia.com/lp/flights/pit/ase/pittsburgh-to-aspen)
- [Flights from San Diego (SAN) to Aspen (ASE)](https://www.expedia.com/lp/flights/san/ase/san-diego-to-aspen)
- [Flights from Colorado Springs (COS) to Aspen (ASE)](https://www.expedia.com/lp/flights/cos/ase/colorado-springs-to-aspen)
- [Flights from Vancouver (YVR) to Aspen (ASE)](https://www.expedia.com/lp/flights/yvr/ase/vancouver-to-aspen)
- [Flights from San Jose (SJC) to Aspen (ASE)](https://www.expedia.com/lp/flights/sjc/ase/san-jose-to-aspen)
- [Flights from Baton Rouge (BTR) to Aspen (ASE)](https://www.expedia.com/lp/flights/btr/ase/baton-rouge-to-aspen)
- [Flights from Broomfield (BJC) to Aspen (ASE)](https://www.expedia.com/lp/flights/bjc/ase/broomfield-to-aspen)
- [Flights from Orlando (MCO) to Aspen (ASE)](https://www.expedia.com/lp/flights/mco/ase/orlando-to-aspen)
- [Flights from Albuquerque (ABQ) to Aspen (ASE)](https://www.expedia.com/lp/flights/abq/ase/albuquerque-to-aspen)
- [Flights from Providence (PVD) to Aspen (ASE)](https://www.expedia.com/lp/flights/pvd/ase/providence-to-aspen)
- [Flights from Portland (PDX) to Aspen (ASE)](https://www.expedia.com/lp/flights/pdx/ase/portland-to-aspen)
- [Flights from Philadelphia (PHL) to Aspen (ASE)](https://www.expedia.com/lp/flights/phl/ase/philadelphia-to-aspen)
- [Flights from Redmond (RDM) to Aspen (ASE)](https://www.expedia.com/lp/flights/rdm/ase/redmond-to-aspen)
- [Flights from St. Louis (STL) to Aspen (ASE)](https://www.expedia.com/lp/flights/stl/ase/st-louis-to-aspen)
- [Flights from Vail (EGE) to Aspen (ASE)](https://www.expedia.com/lp/flights/ege/ase/vail-to-aspen)
- [Flights from Indianapolis (IND) to Aspen (ASE)](https://www.expedia.com/lp/flights/ind/ase/indianapolis-to-aspen)
- [Flights from Houston (IAH) to Aspen (ASE)](https://www.expedia.com/lp/flights/iah/ase/houston-to-aspen)
- [Flights from Charleston (CHS) to Aspen (ASE)](https://www.expedia.com/lp/flights/chs/ase/charleston-to-aspen)
- [Flights from West Palm Beach (PBI) to Aspen (ASE)](https://www.expedia.com/lp/flights/pbi/ase/west-palm-beach-to-aspen)
- [Flights from Raleigh (RDU) to Aspen (ASE)](https://www.expedia.com/lp/flights/rdu/ase/raleigh-to-aspen)
- [Flights from Tampa (TPA) to Aspen (ASE)](https://www.expedia.com/lp/flights/tpa/ase/tampa-to-aspen)
- [Flights from Grand Rapids (GRR) to Aspen (ASE)](https://www.expedia.com/lp/flights/grr/ase/grand-rapids-to-aspen)
- [Flights from Denver (DEN) to Aspen (ASE)](https://www.expedia.com/lp/flights/den/ase/denver-to-aspen)
- [Flights from Las Vegas (LAS) to Aspen (ASE)](https://www.expedia.com/lp/flights/las/ase/las-vegas-to-aspen)
- [Flights from Washington (DCA) to Aspen (ASE)](https://www.expedia.com/lp/flights/dca/ase/washington-to-aspen)
- [Flights from Miami (MIA) to Aspen (ASE)](https://www.expedia.com/lp/flights/mia/ase/miami-to-aspen)
- [Flights from Harrisburg (MDT) to Aspen (ASE)](https://www.expedia.com/lp/flights/mdt/ase/harrisburg-to-aspen)
- [Flights from Little Rock (LIT) to Aspen (ASE)](https://www.expedia.com/lp/flights/lit/ase/little-rock-to-aspen)
- [Flights from New Orleans (MSY) to Aspen (ASE)](https://www.expedia.com/lp/flights/msy/ase/new-orleans-to-aspen)
- [Flights from Seattle (SEA) to Aspen (ASE)](https://www.expedia.com/lp/flights/sea/ase/seattle-to-aspen)
- [Flights from Jackson Hole (JAC) to Aspen (ASE)](https://www.expedia.com/lp/flights/jac/ase/jackson-hole-to-aspen)
- [Flights from Fort Collins (FNL) to Aspen (ASE)](https://www.expedia.com/lp/flights/fnl/ase/fort-collins-to-aspen)
- [Flights from Boulder (WBU) to Aspen (ASE)](https://www.expedia.com/lp/flights/wbu/ase/boulder-to-aspen)
- [Flights from Fayetteville (XNA) to Aspen (ASE)](https://www.expedia.com/lp/flights/xna/ase/fayetteville-to-aspen)
- [Flights from Santa Fe (SAF) to Aspen (ASE)](https://www.expedia.com/lp/flights/saf/ase/santa-fe-to-aspen)
- [Flights from Albany (ALB) to Aspen (ASE)](https://www.expedia.com/lp/flights/alb/ase/albany-to-aspen)
- [Flights from Oakland (OAK) to Aspen (ASE)](https://www.expedia.com/lp/flights/oak/ase/oakland-to-aspen)
- [Flights from Toronto (YYZ) to Aspen (ASE)](https://www.expedia.com/lp/flights/yyz/ase/toronto-to-aspen)

\*Available to One Key members.

## Other language versions

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