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Shannon

$485+ Cheap flights from Colorado to Shannon (SNN)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/9. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — SNN
Oct 14 — Oct 211
Tue 10/14
Tue 10/21
1 adult, Economy
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Cheap flight deals from Colorado to Shannon

Keep the following information in mind while searching for Colorado to Shannon flight deals. Data was last updated September 14, 2025.

Round-trip from

$485
(American Airlines)

Popular in

December

Cheapest in

August

Average price

$634
From Colorado to Shannon
Search Deals
Highest demand for flights based on searches. 19% potential increase in price ($189 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 10% potential price decrease ($73 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
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Find flight deals from Colorado to Shannon

Cheapest flights from Colorado to Shannon
Explore the most affordable flight options available from Colorado to Shannon. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 14, 2025.

This American Airlines deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/95:25 pmDEN - SNN
1 stop16h 20mAmerican Airlines
Mon 11/177:50 amSNN - DEN
1 stop14h 40mAmerican Airlines
Deal found 9/12$485
This American Airlines deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/275:28 pmDEN - SNN
2 stops17h 17mAmerican Airlines
Mon 11/37:50 amSNN - DEN
2 stops21h 29mAmerican Airlines
Deal found 9/12$499
This American Airlines deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/26:35 pmDEN - SNN
1 stop19h 00mAmerican Airlines
Tue 10/77:40 amSNN - DEN
1 stop15h 45mAmerican Airlines
Deal found 9/11$545
This United Airlines deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/1711:18 amDEN - SNN
1 stop13h 12mUnited Airlines
Sun 9/219:30 amSNN - DEN
1 stop19h 29mUnited Airlines
Deal found 9/12$547
This American Airlines deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/302:17 pmDEN - SNN
2 stops18h 53mAmerican Airlines
Tue 10/79:15 pmSNN - DEN
1 stop26h 10mAmerican Airlines
Deal found 9/13$549
This United Airlines deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/189:40 amDEN - SNN
1 stop14h 50mUnited Airlines
Wed 9/249:30 amSNN - DEN
2 stops17h 23mUnited Airlines
Deal found 9/13$552
This American Airlines deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/109:52 amDEN - SNN
2 stops18h 28mAmerican Airlines
Fri 11/77:50 amSNN - DEN
1 stop14h 40mAmerican Airlines
Deal found 9/12$579

Cheapflights Fare Finder

 
Customize your flight search to find flights from Colorado to Shannon that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 14, 2025.
Use the filters below to find and compare flights from Colorado to Shannon that are best for you.

Fly from

Colorado

Fly to

Shannon

Route

Depart

Return

Price

DenverShannon

DEN - SNN

DENSNN

Denver Intl

Sun 11/9

5:25 pm-4:45 pm

1 stop16h 20m

Shannon

Mon 11/17

7:50 am-3:30 pm

1 stop14h 40m

$485

DenverShannon

DEN - SNN

DENSNN

Denver Intl

Thu 10/2

6:35 pm-8:35 pm

1 stop19h 00m

Shannon

Tue 10/7

7:40 am-4:25 pm

1 stop15h 45m

$545

DenverShannon

DEN - SNN

DENSNN

Denver Intl

Thu 10/2

6:00 am-10:15 am

2 stops21h 15m

Shannon

Tue 10/7

12:30 pm-11:13 pm

2 stops17h 43m

$552

DenverShannon

DEN - SNN

DENSNN

Denver Intl

Tue 9/30

2:17 pm-4:10 pm

2 stops18h 53m

Shannon

Tue 10/7

7:40 am-10:10 pm

2 stops21h 30m

$560

DenverShannon

DEN - SNN

DENSNN

Denver Intl

Wed 9/24

6:35 pm-4:10 pm

1 stop14h 35m

Shannon

Thu 10/16

7:40 am-9:55 pm

2 stops21h 15m

$605

DenverShannon

DEN - SNN

DENSNN

Denver Intl

Wed 10/1

3:45 pm-10:15 am

1 stop11h 30m

Shannon

Tue 10/7

12:30 pm-9:18 pm

1 stop15h 48m

$622

DenverShannon

DEN - SNN

DENSNN

Denver Intl

Sun 10/12

6:35 pm-4:10 pm

1 stop14h 35m

Shannon

Fri 11/7

7:50 am-3:30 pm

1 stop14h 40m

$637

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/13

Best time to book a flight from Colorado to Shannon

Have a flexible travel schedule? Discover the best time to fly to Shannon from Colorado with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Colorado to Shannon

What is the cheapest month to book a flight from Colorado to Shannon, Clare?

Currently, February is the cheapest month in which you can book a flight from Colorado to Shannon, Clare (average of $533). Flying from Colorado to Shannon, Clare in June is currently the most expensive (average of $926). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from CO to SNN?

Find hourly flight availability from Colorado to Shannon. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 14, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Colorado to Shannon, Clare as you normally would.

Related info for your journey

Find useful and relevant information for your journey from Colorado to Shannon. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Shannon from Colorado?

    Located just 2.1 mi from the city center, Shannon (SNN) is the airport most travelers will use when flying to Shannon from Colorado.

  • How long is the flight from Colorado to Shannon, Clare?

    A quick flight from Colorado to Shannon, Clare can take about 16h 20m. American Airlines provides one of the quickest options available for as low as $485. There are 4309 mi between Colorado and Shannon, Clare. This flight may include one or multiple stops.

  • Can I find deals for flights from Colorado to Shannon that include hotel bookings?

    Yes. In addition to deals on Colorado to Shannon flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Colorado to Shannon?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Colorado to Shannon.

  • Can I find deals for business class flights from Colorado to Shannon?

    Yes. Cheapflights offers flight deals from Colorado to Shannon by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Colorado to Shannon, Clare?

    Currently, February is the cheapest month in which you can book a flight from Colorado to Shannon, Clare (average of $533). Flying from Colorado to Shannon, Clare in June is currently the most expensive (average of $926). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Shannon?

Book flights to Shannon if you plan to visit one of these locations
Ennis

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Top 4 airlines flying from Colorado to Shannon

Discover the top 4 airlines that operate flights from Colorado to Shannon. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$500Average$674FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$509Average$720FlexibilityNo cancel feeOn-time69%
DeltaCheapest$561Average$732FlexibilityNo cancel feeOn-timeN/A
Aer LingusCheapest$672Average$821FlexibilityNo cancel feeOn-timeN/A

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