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Shannon

$324+ 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 7/14. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — SNN
Jul 7 — Jul 141
Mon 7/7
Mon 7/14
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 July 2, 2025.

Round-trip from

$486
(American Airlines)

One-way from

$324
(Kiwi.com)

Popular in

December

Cheapest in

August

Average price

$732
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 ($71 potential savings vs. average RT price).
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Average for round-trip flights in July 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 July 2, 2025.

This American Airlines deal was found by Cheapflights users on 6/30. 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 6/30$486
This United Airlines deal was found by Cheapflights users on 6/30. 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 7/212:08 pmDEN - SNN
1 stop13h 07mUnited Airlines
Wed 8/139:30 amSNN - DEN
1 stop19h 30mUnited Airlines
Deal found 6/30$517
This Delta deal was found by Cheapflights users on 7/1. 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 7/2112:55 amDEN - SNN
2 stops27h 15mDelta
Tue 8/121:05 pmSNN - DEN
2 stops17h 02mDelta
Deal found 7/1$522
This KAYAK deal was found by Cheapflights users on 7/1. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/226:35 pmDEN - SNN
1 stop33h 45mBritish Airways
Sun 9/289:15 pmSNN - DEN
1 stop26h 10mBritish Airways
Deal found 7/1$871
This Mytrip deal was found by Cheapflights users on 6/30. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/14:40 pmDEN - SNN
3 stops35h 40mMultiple Airlines
Thu 8/79:15 pmSNN - DEN
3 stops28h 40mMultiple Airlines
Deal found 6/30$1,002
This FlightHub deal was found by Cheapflights users on 7/1. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/195:30 pmDEN - SNN
2 stops35h 00mAir Canada
Mon 1/55:30 pmSNN - DEN
2 stops47h 53mAir Canada
Deal found 7/1$1,110

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 July 2, 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

$486

DenverShannon

DEN - SNN

DENSNN

Denver Intl

Mon 7/21

2:08 pm-10:15 am

1 stop13h 07m

Shannon

Wed 8/13

9:30 am-10:00 pm

1 stop19h 30m

$517

DenverShannon

DEN - SNN

DENSNN

Denver Intl

Mon 7/21

12:55 am-11:10 am

2 stops27h 15m

Shannon

Tue 8/12

1:05 pm-11:07 pm

2 stops17h 02m

$522

DenverShannon

DEN - SNN

DENSNN

Denver Intl

Fri 8/22

6:35 pm-11:20 am

1 stop33h 45m

Shannon

Sun 9/28

9:15 pm-4:25 pm

1 stop26h 10m

$871

DenverShannon

DEN - SNN

DENSNN

Denver Intl

Fri 8/1

4:40 pm-11:20 am

3 stops35h 40m

Shannon

Thu 8/7

9:15 pm-6:55 pm

3 stops28h 40m

$1,002

DenverShannon

DEN - SNN

DENSNN

Denver Intl

Fri 12/19

5:30 pm-11:30 am

2 stops35h 00m

Shannon

Mon 1/5

5:30 pm-10:23 am

2 stops47h 53m

$1,110

DenverShannon

DEN - SNN

DENSNN

Denver Intl

Fri 12/19

9:35 am-6:00 am

1 stop13h 25m

Shannon

Mon 1/5

2:45 pm-11:04 pm

1 stop15h 19m

$2,646

DenverShannon

DEN - SNN

DENSNN

Denver Intl

Mon 7/14

8:44 am-8:20 pm

3 stops52h 36m

$324

DenverShannon

DEN - SNN

DENSNN

Denver Intl

Sun 7/13

12:44 pm-11:10 am

1 stop15h 26m

$393

DenverShannon

DEN - SNN

DENSNN

Denver Intl

Sat 12/20

5:30 pm-4:45 pm

2 stops40h 15m

$675

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/30

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 27, 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 $938). 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 July 2, 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.

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 July 2, 2025.
Peruse reviews from past customers who have flown with Delta, Air France, and United Airlines from Denver to Shannon to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,975 reviews

Overall

8.0

Crew

8.5

Comfort

7.9

Food

7.3

Boarding

8.2

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
7,975 reviews
Delta
8.0
Very good
7,975 reviews

Overall

8.0

Crew

8.5

Comfort

7.9

Food

7.3

Boarding

8.2

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 France
7.5
Good
1,472 reviews
Delta
8.0
Very good
7,975 reviews

Overall

8.0

Crew

8.5

Comfort

7.9

Food

7.3

Boarding

8.2

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
8,861 reviews
Delta
8.0
Very good
7,975 reviews

Overall

8.0

Crew

8.5

Comfort

7.9

Food

7.3

Boarding

8.2

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!
JetBlue
7.3
Good
2,918 reviews
Delta
8.0
Very good
7,975 reviews

Overall

8.0

Crew

8.5

Comfort

7.9

Food

7.3

Boarding

8.2

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
7,975 reviews

Overall

8.0

Crew

8.5

Comfort

7.9

Food

7.3

Boarding

8.2

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 $486. Other airlines that can offer you cheap pricing are Delta, from $517, and United Airlines, from $522. You may be able to fly from Denver to Shannon, Clare for 39% 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 $938). 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?

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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 July 2, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$489Average$674FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$509Average$732FlexibilityNo cancel feeOn-time69%
DeltaCheapest$561Average$732FlexibilityNo cancel feeOn-timeN/A
Aer LingusCheapest$672Average$821FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$674Average$1,168FlexibilityNo cancel feeOn-time70%

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