€331 Find Cheap Flights to Fort Collins

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight to Fort Collins departing on 9/10. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy

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Cheap Flights to Fort Collins

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for return flights to Fort Collins that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent return flight deals to Fort Collins

Wed, 27 Aug - Sun, 31 Aug
Lufthansa Logo
05:55 - 15:35DUB-DEN
16h 40m1 stop
Lufthansa Logo
16:15 - 19:15DEN-DUB
20h 00m1 stop
€377Lufthansa
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Wed, 27 Aug - Sun, 31 Aug
Icelandair Logo
12:15 - 18:55DUB-DEN
13h 40m1 stop
Icelandair Logo
16:40 - 13:15DEN-DUB
13h 35m1 stop
€457Icelandair
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Thu, 28 Aug - Thu, 4 Sep
Icelandair Logo
14:15 - 18:55DUB-DEN
11h 40m1 stop
Icelandair Logo
16:40 - 11:05DEN-DUB
11h 25m1 stop
€480Icelandair
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Tue, 9 Sep - Tue, 23 Sep
British Airways Logo
08:35 - 18:36DUB-DEN
17h 01m2 stops
British Airways Logo
12:29 - 11:55DEN-DUB
16h 26m2 stops
€515British Airways
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Tue, 9 Sep - Tue, 23 Sep
British Airways Logo
10:25 - 22:16DUB-DEN
18h 51m2 stops
British Airways Logo
12:29 - 11:55DEN-DUB
16h 26m2 stops
€516British Airways
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Thu, 4 Sep - Sat, 20 Sep
American Airlines Logo
13:45 - 18:33DUB-DEN
11h 48m1 stop
American Airlines Logo
18:35 - 14:25DEN-DUB
12h 50m1 stop
€516American Airlines
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Tue, 9 Sep - Tue, 23 Sep
Delta Logo
08:55 - 19:55DUB-DEN
18h 00m2 stops
Delta Logo
17:40 - 15:00DEN-DUB
14h 20m1 stop
€517Delta
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Thu, 4 Sep - Sat, 20 Sep
Delta Logo
05:55 - 15:28DUB-DEN
16h 33m2 stops
Delta Logo
07:30 - 09:15DEN-DUB
18h 45m2 stops
€520Delta
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Mon, 1 Sep - Mon, 15 Sep
American Airlines Logo
12:45 - 16:25DUB-DEN
34h 40m1 stop
American Airlines Logo
17:37 - 11:40DEN-DUB
11h 03m1 stop
€527American Airlines
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Fri, 5 Sep - Sat, 20 Sep
Aer Lingus Logo
15:25 - 17:59DUB-DEN
9h 34mdirect
Aer Lingus Logo
12:25 - 10:40DEN-DUB
15h 15m1 stop
€576Aer Lingus
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Good to know – Book Cheap Fort Collins Plane Tickets

Low seasonJanuary
High seasonMay
Cheapest flight€331
Best time to beat the crowds (6% less expensive on average)
Most popular time to fly (8% more expensive on average)
Flight from Dublin to Denver

FAQs - booking Fort Collins flights

  • How to fly to Fort Collins?

    You cannot fly directly to Fort Collins. KAYAK recommends you fly to Denver Intl (DEN) (87.93 km from Fort Collins). From there you can hire a car or take a taxi.

  • What airports are near Fort Collins?

    The closest airport is Denver Intl (DEN) (87.93 km). KAYAK recommends you fly to Denver Intl.

  • How far is Denver Intl Airport from central Denver?

    You’ll need to travel 30 km to reach the Denver city centre from Denver Intl Airport.

  • What is the name of Denver’s airport?

    Denver is served by Denver Intl Airport, also commonly referred to as Denver or Denver Intl. The airport code is DEN.

  • How does KAYAK find such low prices on flights to Fort Collins?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights to Fort Collins.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket to Fort Collins?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Fort Collins is likely to change within 7 days, so travellers know whether to wait or book now.

  • What is the Hacker Fare option on flights to Fort Collins?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Fort Collins with an airline and back with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight to Fort Collins?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Fort Collins up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Top tips for finding cheap flights to Fort Collins

  • There is no major airport in Fort Collins. It is instead served by Denver Intl Airport.
  • Looking for cheap airfare to Fort Collins? 25% of our users found return tickets to Fort Collins for the following prices or less: From Dublin €888
  • Enter your preferred departure airport and travel dates into the search form above to unlock the latest Fort Collins flight deals.

Reviews of the top 3 airlines flying to Fort Collins

 
Need help choosing which airline to fly with from Ireland to Fort Collins? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
7.1
Aer LingusOverall score based on 1160 reviews
8.0Crew
7.2Boarding
6.8Entertainment
7.0Comfort
6.4Food
Airline reviews

When I booked the flight, I wasn't aware that this was a "no frills" flight. No wifi, no reclining seat, no complimentary soft drinks.

6.0 GoodAnonymous, Jul 2025BOD - DUB
Read more Aer Lingus reviews

When I booked the flight, I wasn't aware that this was a "no frills" flight. No wifi, no reclining seat, no complimentary soft drinks.

In business class overhead bins were minuscule. Had to use cabin staff to find a place for my carry-on bag. Boarding process was shambolic, as “passengers who needed assistance in boarding” absorbed an excessive amount of time and attention that Aer Lingus was apparently unprepared for.

Charging for coffee on a business class fare??? And to not even mention it? Inexcusable. Boarding and disembarking was pathetic. Could not use a jetway on either end. Had to use stairs and walk across tarmac at origination and use stairs and be bussed to terminal at destination.

Aer Lingus was fabulous.nhowever, Aiirfare Assist who Kayak routes me to to purchase tickets for m was awful. They messed up my reservation so bad that after about six hours on the phone with them over the week before departure, I had been choice but to show up at the airport. The Aer Lingus staff were amazing and got it sorted out but I would recommend not using Airfare Assist.

I had a great experience. I wasn’t sure what to expect but the crew helped me check my bags and made sure I got in the correct line to board. It was a bit of a walk to my gate so arrive early. I would recommend securing a flight that includes checking in your bag if you remotely think your baggage is over 10kg/22lbs. Be safe and upgrade unless you are carrying a backpack or weekend type baggage.

It was excellent! The plane left Chicago early. Arrived in Dublin early. The crew was excellent! It was a great experience.

Dublin to Boston was decent. Food and entertainment was included and that was expected for the rate paid.

No entertained. food and beverages were not complimentary. they lost my checked luggage which made my 10 day vacation unpleasant.

Flight was on time. Boarding was quick and efficient. Seats were comfortable. Food was fine.

I like Aer Lingus so that is why I’m writing this critique so they can become better. The boarding gate was too small to board properly. Our seats were toward the back of the plane knowing we would be boarding after business class, we moved to that area after business class boarded. An Aer Lingus employee told us we couldn’t stand there. We explained we were the next group to board and wouldn’t even be able to hear when our boarding was called. She didn’t care and was not very professional. The cabin was freezing. I wouldn’t feed my dog the food. We were over an hour late coming into chicago because of weather which can’t be avoided. I asked the crew if they could make an annoucement for before whose final destination is chicago to wait and allow the people with connecting to deplane first. He said there are a lot of people with connecting flights. He said, it doesn’t matter. Well, yes it does. He could have been more considerate of his passengers.

Good service. No complementary food for international flight. WiFi kinda pricey. Got the job done for the right price.

For a four hour flight, I was disappointed that everything was for purchase except for coffee, tea, or water. The disembarking in Iceland was so inefficient and time-consuming. We landed and stopped in the middle of the tarmac, had to disembark in the rain, and then squeeze into a bus which took us to the airport. Crazy! How does that work in winter?

Paid for a Premium seat...minimal recline, no footrest. Maybe slightly wider than a cheap economy seat. Zero chance of getting any rest on this plane

Comfort of seats is not good. Like sitting on a rock for 6 hours. Also no in flight food and limited beverages unless you pay is not nice. Need flight to be dark during the “night” but attendants don’t ask for shades to be lowered..

Seats in premier saga class were narrow and hard. Very uncomfortable for a 5-hour flight.

Iceland airlines doesn't provide any meal on flight to and from New York, except water and soda. Airline over charge for checking in luggage. I'm really upset.

I had an exit row and so was Comfortable on the long flight.

The seats on this airline are sooo small, even for a petite person. I felt like the seat tilted forward and I was fighting to stay in it. The lavatory is horribly small, with a wet floor because the sink is so small you can't help but splash the water all over when washing up.

Smooth efficient airline. Think they should have their own bag drop as the queue took 30mins to bmscan and drop

Good. Lacking overhead bin space. No food offered but you can order online or in flight and pay for snacks.

The air hostess were good, cheerful, but I didn't like the boarding. My son and I initially bought our flight tickets, making sure it included 1 luggage and a carry on. Tickets were purchased for British airlines, but we were merged with American Airlines. At checking in our languages, we were told, we don't have luggage prepaid so we had to pay extra $125 each and almost £60 on our way back. I think that's unfair.

Economy seats are so small and compacted so close together that comfort is negatively affected, especially on long flights. However that is due to aircraft design, not anything the airline can do about it.

3/4 bags delayed and 1/4 damaged at the other end. Flight was freezing

The crew were good. The flight was on time. The entertainment choice was ok. But the food was bad, tasted and texture were awful.

After boarding we were waiting in the plane for more than one hour to take off without AC with very high temperature inside

The flight was an hour late leaving Heathrow. The food was mediocre. When we got to Austin, my husband’s luggage was missing. He filled out information at baggage claim. We are waiting to hear something. His name is Henry Jacob Braunig.

The food was very good and it came multiple times

Flight from LGW to JFK delayed by 4 hrs No explanation given until the pilot said the delay due to planned maintenance on the aircraft

We arrived late to London, and consequently were 5 min. late to be allowed through security for our next flight. Even though dozens of people missed the same flight, BA did not radio ahead to hold open security for an extra 5-10 min. to allow people to get on the flight. This caused an additional 6 hour delay in London after waiting over an hour in Customer Service to get rebooked. They did not have enough staff on hand to help people in a timely manner. Not at all happy with the BA's customer care or customer service.

All service prior to the flight was terrible: online check-in not working, no customer service tel,, multiple airport scanners not working, A huge mess.

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