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Shannon

$360+ Cheap flights from Denver (DEN) to Shannon (SNN)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/13. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — SNN
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheap flight deals from Denver to Shannon

Discover tips and strategies to find the most affordable flight options for your journey from Denver (DEN) to Shannon (SNN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated June 12, 2025.

Round-trip from

$485
(American Airlines)

One-way from

$360
(Kiwi.com)

Popular in

December

Cheapest in

August

Average price

$969
From Denver Intl to Shannon
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One-way flight from Denver Intl to Shannon
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Highest demand for flights based on searches. 23% potential increase in price ($248 potential increase over avg. RT price).
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Cheapest flight prices on average. 9% potential price decrease ($70 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Find flight deals from Denver to Shannon

Cheapest flights from Denver to Shannon
Explore the most affordable flight options available from Denver to Shannon. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

This American Airlines deal was found by Cheapflights users on 6/11. 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.
Sun 11/95:30 pmDEN - SNN
1 stop16h 15mAmerican Airlines
Mon 11/177:50 amSNN - DEN
1 stop14h 35mAmerican Airlines
Deal found 6/11$485
This United Airlines deal was found by Cheapflights users on 6/10. 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.
Mon 7/217:50 amDEN - SNN
1 stop16h 40mUnited Airlines
Wed 8/1312:30 pmSNN - DEN
1 stop13h 45mUnited Airlines
Deal found 6/10$516
This Delta deal was found by Cheapflights users on 6/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/2112:59 amDEN - SNN
2 stops27h 11mDelta
Sun 7/271:05 pmSNN - DEN
1 stop16h 44mDelta
Deal found 6/10$521
This KLM deal was found by Cheapflights users on 6/9. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/1712:21 pmDEN - SNN
1 stop15h 49mMultiple Airlines
Fri 8/11:05 pmSNN - DEN
1 stop13h 00mMultiple Airlines
Deal found 6/9$732
This Cheapflightsfares deal was found by Cheapflights users on 6/10. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/246:35 pmDEN - SNN
2 stops19h 00mBritish Airways
Sun 7/279:15 pmSNN - DEN
2 stops25h 31mBritish Airways
Deal found 6/10$736
This business-class.com deal was found by Cheapflights users on 6/11. 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 business-class.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/67:55 pmDEN - SNN
2 stops17h 40mAer Lingus
Mon 7/147:40 amSNN - DEN
2 stops17h 19mAer Lingus
Deal found 6/11$4,228
This Air Canada deal was found by Cheapflights users on 6/11. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/811:15 amDEN - SNN
2 stops17h 15mAir Canada
Sun 11/167:50 amSNN - DEN
2 stops19h 15mAir Canada
Deal found 6/11$5,155

Cheapflights Fare Finder

Customize your flight search to find flights from Denver 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 June 12, 2025.
Use the filters below to find and compare flights from Denver to Shannon that are best for you.

Fly from

Denver

Fly to

Shannon

Route

Depart

Return

Price

DenverShannon

DEN - SNN

DENSNN

Denver Intl

Sun 11/9

5:30 pm-4:45 pm

1 stop16h 15m

Shannon

Mon 11/17

7:50 am-3:25 pm

1 stop14h 35m

$485

DenverShannon

DEN - SNN

DENSNN

Denver Intl

Mon 7/21

7:50 am-7:30 am

1 stop16h 40m

Shannon

Wed 8/13

12:30 pm-7:15 pm

1 stop13h 45m

$516

DenverShannon

DEN - SNN

DENSNN

Denver Intl

Mon 7/21

12:59 am-11:10 am

2 stops27h 11m

Shannon

Sun 7/27

1:05 pm-10:49 pm

1 stop16h 44m

$521

DenverShannon

DEN - SNN

DENSNN

Denver Intl

Thu 7/17

12:21 pm-11:10 am

1 stop15h 49m

Shannon

Fri 8/1

1:05 pm-7:05 pm

1 stop13h 00m

$732

DenverShannon

DEN - SNN

DENSNN

Denver Intl

Thu 7/24

6:35 pm-8:35 pm

2 stops19h 00m

Shannon

Sun 7/27

9:15 pm-3:46 pm

2 stops25h 31m

$736

DenverShannon

DEN - SNN

DENSNN

Denver Intl

Sun 7/6

7:55 pm-8:35 pm

2 stops17h 40m

Shannon

Mon 7/14

7:40 am-5:59 pm

2 stops17h 19m

$4,228

DenverShannon

DEN - SNN

DENSNN

Denver Intl

Sat 11/8

11:15 am-11:30 am

2 stops17h 15m

Shannon

Sun 11/16

7:50 am-8:05 pm

2 stops19h 15m

$5,155

DenverShannon

DEN - SNN

DENSNN

Denver Intl

Mon 10/13

12:15 pm-12:15 am

3 stops29h 00m

$360

DenverShannon

DEN - SNN

DENSNN

Denver Intl

Mon 10/13

6:35 pm-4:10 pm

1 stop14h 35m

$382

DenverShannon

DEN - SNN

DENSNN

Denver Intl

Mon 10/13

7:48 am-10:15 am

2 stops19h 27m

$395

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Best time to book a flight from Denver to Shannon

Have a flexible travel schedule? Discover the best time to fly to Shannon from Denver 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 Denver to Shannon

How far ahead should I book a flight from Denver to Shannon, Clare?

Use this chart to determine the optimal time to book a round-trip flight from Denver to Shannon. Price data was last updated on June 9, 2025.

The price you pay for your flight from Denver to Shannon, Clare may vary depending on when you book. For the best chance of a lower fare, look to book 85 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, February is the cheapest month in which you can book a flight from Denver to Shannon, Clare (average of $533). Flying from Denver to Shannon, Clare in June is currently the most expensive (average of $959). 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 DEN to SNN?

Find hourly flight availability from Denver 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 June 12, 2025.

A simple way to save on the total cost of your ticket is to fly from Denver to Shannon, Clare in the morning. If you’re flexible enough to do this you can expect to save up to 36% on your trip compared to booking a flight at noon.

Rainfall in Shannon by month

Plan your trip to Shannon by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Shannon, Clare ranges from 2.3 - 4.1 inches per month. October is typically the wettest month, when rainfall can reach 4.1 in. April is typically the driest time to visit Shannon, Clare when rainfall is around 2.3 in.

Temperature in Shannon by month

Plan your trip to Shannon by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Shannon, Clare, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 60.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 42.8 F).

Reviews of airlines servicing Shannon

Get insights into the airlines that provide service to Shannon. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Shannon. Reviews last updated June 12, 2025.
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,950 reviews
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,790 reviews
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Air Canada
7.1
Good
9,531 reviews
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Aer Lingus
7.1
Good
1,117 reviews
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

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

  • What are the cheapest airlines flying from Denver to Shannon, Clare round-trip?

    Cheapflights users have booked flights from Denver to Shannon, Clare round-trip from $485. Other airlines that can offer you cheap pricing are United Airlines, from $516, and Delta, from $521. You may be able to fly from Denver to Shannon, Clare for 40% less than the average price by searching for these airlines.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Denver 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 Denver to Shannon, Clare?

    Currently, February is the cheapest month in which you can book a flight from Denver to Shannon, Clare (average of $533). Flying from Denver to Shannon, Clare in June is currently the most expensive (average of $959). 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 Denver?

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

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Top 5 airlines flying from Denver to Shannon

Discover the top 5 airlines that operate flights from Denver 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$489Average$671FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$509Average$727FlexibilityNo cancel feeOn-time69%
DeltaCheapest$561Average$735FlexibilityNo cancel feeOn-timeN/A
Aer LingusCheapest$672Average$821FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$674Average$1,092FlexibilityNo cancel feeOn-time70%

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