$313+ 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 10/5. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — SNN
Jun 28 — Jul 51
One-way
1 adult, Economy
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Find cheap flights from Denver to Shannon with Cheapflights
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Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Denver to Shannon
Cheapest
Best
Last-minute
One-way
Cheapest flights from Denver to ShannonExplore 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 May 29, 2026.
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 May 29, 2026.
This United Airlines deal was found by Cheapflights users on 5/29. 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.
Tue 9/13:40 pm
DEN
- SNN
1 stop11h 35m
United Airlines
Tue 9/89:30 am
SNN
- DEN
1 stop12h 47m
United Airlines
Deal found 5/29![United Airlines logo]()
$708
This Travelocity deal was found by Cheapflights users on 5/26. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/56:10 pm
DEN
- SNN
1 stop30h 20m
Lufthansa
Sat 9/1912:00 pm
SNN
- DEN
2 stops19h 30m
Lufthansa
Deal found 5/26![Lufthansa logo]()
$712
This KLM deal was found by Cheapflights users on 5/29. 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.
Sat 9/54:33 pm
DEN
- SNN
2 stops35h 37m
KLM
Wed 9/161:05 pm
SNN
- DEN
1 stop16h 30m
KLM
Deal found 5/29![KLM logo]()
$713
This KAYAK deal was found by Cheapflights users on 5/25. 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 9/43:40 pm
DEN
- SNN
1 stop11h 35m
Lufthansa
Sat 9/1212:00 pm
SNN
- DEN
2 stops19h 30m
Lufthansa
Deal found 5/25![Lufthansa logo]()
$716
This United Airlines deal was found by Cheapflights users on 5/26. 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.
Sat 9/511:59 pm
DEN
- SNN
2 stops24h 31m
United Airlines
Sat 9/199:30 am
SNN
- DEN
2 stops15h 49m
United Airlines
Deal found 5/26![United Airlines logo]()
$723
This KAYAK deal was found by Cheapflights users on 5/28. 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.
Thu 9/311:59 pm
DEN
- SNN
1 stop27h 16m
Lufthansa
Mon 9/79:30 am
SNN
- DEN
1 stop19h 14m
Lufthansa
Deal found 5/28![Lufthansa logo]()
$733
This Justfly.com deal was found by Cheapflights users on 5/25. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/2411:15 am
DEN
- SNN
1 stop13h 15m
Lufthansa
Sat 9/512:00 pm
SNN
- DEN
2 stops18h 53m
Lufthansa
Deal found 5/25![Lufthansa logo]()
$740
This FlightHub deal was found by Cheapflights users on 5/25. 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.
Tue 8/256:10 pm
DEN
- SNN
1 stop30h 20m
Lufthansa
Sat 9/512:00 pm
SNN
- DEN
2 stops18h 53m
Lufthansa
Deal found 5/25![Lufthansa logo]()
$746
This KAYAK deal was found by Cheapflights users on 5/28. 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.
Wed 9/167:45 am
DEN
- SNN
1 stop16h 45m
Lufthansa
Wed 9/239:30 am
SNN
- DEN
1 stop12h 47m
Lufthansa
Deal found 5/28![Lufthansa logo]()
$747
Best flights from Denver to ShannonDiscover carefully curated flight deals from Denver to Shannon that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 29, 2026.
Discover carefully curated flight deals from Denver to Shannon that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 29, 2026.
This KLM deal was found by Cheapflights users on 5/24. 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.
Sat 9/54:33 pm
DEN
- SNN
2 stops35h 37m
KLM
Wed 9/161:05 pm
SNN
- DEN
1 stop16h 30m
KLM
Deal found 5/24![KLM logo]()
$713
This KLM deal was found by Cheapflights users on 5/25. 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.
Tue 9/111:05 am
DEN
- SNN
2 stops17h 05m
Multiple Airlines
Tue 9/81:05 pm
SNN
- DEN
2 stops17h 40m
Multiple Airlines
Deal found 5/25![Multiple Airlines logo]()
$713
This Delta deal was found by Cheapflights users on 5/26. 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.
Tue 9/17:05 am
DEN
- SNN
2 stops21h 05m
Delta
Tue 9/81:05 pm
SNN
- DEN
1 stop16h 44m
Delta
Deal found 5/26![Delta logo]()
$713
This United Airlines deal was found by Cheapflights users on 5/27. 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 9/96:00 am
DEN
- SNN
1 stop18h 30m
United Airlines
Tue 9/229:30 am
SNN
- DEN
1 stop12h 01m
United Airlines
Deal found 5/27![United Airlines logo]()
$748
This Delta deal was found by Cheapflights users on 5/24. 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.
Wed 8/266:40 am
DEN
- SNN
1 stop21h 30m
Delta
Tue 9/81:05 pm
SNN
- DEN
1 stop16h 44m
Delta
Deal found 5/24![Delta logo]()
$748
This United Airlines deal was found by Cheapflights users on 5/27. 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.
Tue 9/293:46 pm
DEN
- SNN
1 stop11h 29m
United Airlines
Wed 10/712:30 pm
SNN
- DEN
1 stop12h 40m
United Airlines
Deal found 5/27![United Airlines logo]()
$748
This Delta deal was found by Cheapflights users on 5/24. 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.
Sun 8/306:40 am
DEN
- SNN
1 stop21h 30m
Delta
Tue 9/81:05 pm
SNN
- DEN
1 stop16h 44m
Delta
Deal found 5/24![Delta logo]()
$748
This Delta deal was found by Cheapflights users on 5/24. 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.
Fri 8/2812:05 pm
DEN
- SNN
1 stop16h 05m
Delta
Tue 9/81:05 pm
SNN
- DEN
2 stops17h 40m
Delta
Deal found 5/24![Delta logo]()
$753
Last-minute flights from Denver to ShannonDiscover last-minute flight deals from Denver to Shannon. Data last updated May 29, 2026 and is based on user searches.
Discover last-minute flight deals from Denver to Shannon. Data last updated May 29, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 5/27. 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.
Thu 5/2812:35 pm
DEN
- SNN
1 stop15h 35m
Delta
Sun 6/141:05 pm
SNN
- DEN
1 stop28h 48m
Delta
Deal found 5/27![Delta logo]()
$860
This Delta deal was found by Cheapflights users on 5/27. 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.
Fri 5/2912:56 am
DEN
- SNN
2 stops27h 14m
Delta
Sun 6/141:05 pm
SNN
- DEN
1 stop28h 48m
Delta
Deal found 5/27![Delta logo]()
$864
This Orbitz deal was found by Cheapflights users on 5/27. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/3011:15 am
DEN
- SNN
1 stop13h 15m
Lufthansa
Sat 6/1312:00 pm
SNN
- DEN
2 stops19h 30m
Lufthansa
Deal found 5/27![Lufthansa logo]()
$778
This KLM deal was found by Cheapflights users on 5/27. 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.
Sat 5/306:30 am
DEN
- SNN
1 stop21h 40m
KLM
Thu 6/111:05 pm
SNN
- DEN
1 stop16h 40m
KLM
Deal found 5/27![KLM logo]()
$788
This KLM deal was found by Cheapflights users on 5/27. 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.
Sat 5/3012:35 pm
DEN
- SNN
2 stops15h 35m
KLM
Fri 6/121:05 pm
SNN
- DEN
1 stop16h 40m
KLM
Deal found 5/27![KLM logo]()
$793
This KLM deal was found by Cheapflights users on 5/27. 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.
Sat 5/3010:27 am
DEN
- SNN
2 stops17h 43m
Multiple Airlines
Sat 6/131:05 pm
SNN
- DEN
2 stops35h 48m
Multiple Airlines
Deal found 5/27![Multiple Airlines logo]()
$915
This Orbitz deal was found by Cheapflights users on 5/27. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/3111:15 am
DEN
- SNN
1 stop13h 15m
Lufthansa
Fri 6/1212:30 pm
SNN
- DEN
2 stops30h 46m
Lufthansa
Deal found 5/27![Lufthansa logo]()
$786
This Delta deal was found by Cheapflights users on 5/27. 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.
Sun 5/315:45 am
DEN
- SNN
2 stops22h 25m
Delta
Fri 6/121:05 pm
SNN
- DEN
2 stops18h 17m
Delta
Deal found 5/27![Delta logo]()
$858
This United Airlines deal was found by Cheapflights users on 5/27. 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 6/11:25 pm
DEN
- SNN
1 stop11h 05m
United Airlines
Wed 6/109:30 am
SNN
- DEN
1 stop12h 16m
United Airlines
Deal found 5/27![United Airlines logo]()
$939
This KLM deal was found by Cheapflights users on 5/27. 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.
Mon 6/16:30 am
DEN
- SNN
1 stop21h 40m
KLM
Fri 6/121:05 pm
SNN
- DEN
2 stops16h 36m
KLM
Deal found 5/27![KLM logo]()
$944
This KAYAK deal was found by Cheapflights users on 5/28. 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.
Wed 6/39:35 am
DEN
- SNN
1 stop14h 55m
Lufthansa
Sat 6/139:30 am
SNN
- DEN
1 stop14h 00m
Lufthansa
Deal found 5/28![Lufthansa logo]()
$938
This FlightHub deal was found by Cheapflights users on 5/26. 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.
Thu 6/1111:15 am
DEN
- SNN
1 stop13h 15m
Lufthansa
Fri 6/1912:30 pm
SNN
- DEN
2 stops30h 46m
Lufthansa
Deal found 5/26![Lufthansa logo]()
$1,001
One-way flights from Denver to ShannonSearch for one-way flight options from Denver to Shannon. Find affordable one-way fares based on user searches. Data last updated May 29, 2026.
Search for one-way flight options from Denver to Shannon. Find affordable one-way fares based on user searches. Data last updated May 29, 2026.
This Kiwi.com deal was found by Cheapflights users on 5/29. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/54:40 pm
DEN
- SNN
2 stops16h 00m
Multiple Airlines
Deal found 5/29![Multiple Airlines logo]()
$313
This Kiwi.com deal was found by Cheapflights users on 5/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/134:40 pm
DEN
- SNN
3 stops36h 05m
Multiple Airlines
Deal found 5/26![Multiple Airlines logo]()
$363
This United Airlines deal was found by Cheapflights users on 5/29. 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 10/57:40 am
DEN
- SNN
1 stop19h 35m
United Airlines
Deal found 5/29![United Airlines logo]()
$370
This Kiwi.com deal was found by Cheapflights users on 5/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/910:36 am
DEN
- SNN
2 stops39h 54m
Multiple Airlines
Deal found 5/27![Multiple Airlines logo]()
$382
This United Airlines deal was found by Cheapflights users on 5/27. 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 7/91:25 pm
DEN
- SNN
1 stop11h 05m
United Airlines
Deal found 5/27![United Airlines logo]()
$523
This Justfly.com deal was found by Cheapflights users on 5/28. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/1911:59 pm
DEN
- SNN
1 stop23h 01m
Multiple Airlines
Deal found 5/28![Multiple Airlines logo]()
$697
This oojo deal was found by Cheapflights users on 5/25. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/198:00 pm
DEN
- SNN
2 stops32h 20m
Aer Lingus
Deal found 5/25![Aer Lingus logo]()
$786
Find 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 May 29, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $708 (United Airlines) |
One-way from | $313 (Kiwi.com) |
Popular in | June |
Cheapest in | August |
Average price | $825 |
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 May 29, 2026.
Use the filters below to find and compare flights from Denver to Shannon that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
DenverShannon
DEN - SNN
DENSNN
Denver Intl
Sat 9/5
4:33 pm-11:10 am
2 stops35h 37m
Shannon
Wed 9/16
1:05 pm-10:35 pm
1 stop16h 30m
$713
DenverShannon
DEN - SNN
DENSNN
Denver Intl
Tue 9/1
11:05 am-11:10 am
2 stops17h 05m
Shannon
Tue 9/8
1:05 pm-11:45 pm
2 stops17h 40m
$713
DenverShannon
DEN - SNN
DENSNN
Denver Intl
Tue 9/1
7:05 am-11:10 am
2 stops21h 05m
Shannon
Tue 9/8
1:05 pm-10:49 pm
1 stop16h 44m
$713
DenverShannon
DEN - SNN
DENSNN
Denver Intl
Wed 9/9
6:00 am-7:30 am
1 stop18h 30m
Shannon
Tue 9/22
9:30 am-2:31 pm
1 stop12h 01m
$748
DenverShannon
DEN - SNN
DENSNN
Denver Intl
Wed 8/26
6:40 am-11:10 am
1 stop21h 30m
Shannon
Tue 9/8
1:05 pm-10:49 pm
1 stop16h 44m
$748
Quickest round-trip
DenverShannon
DEN - SNN
DENSNN
Denver Intl
Tue 9/29
3:46 pm-10:15 am
1 stop11h 29m
Shannon
Wed 10/7
12:30 pm-6:10 pm
1 stop12h 40m
$748
DenverShannon
DEN - SNN
DENSNN
Denver Intl
Sun 8/30
6:40 am-11:10 am
1 stop21h 30m
Shannon
Tue 9/8
1:05 pm-10:49 pm
1 stop16h 44m
$748
DenverShannon
DEN - SNN
DENSNN
Denver Intl
Fri 8/28
12:05 pm-11:10 am
1 stop16h 05m
Shannon
Tue 9/8
1:05 pm-11:45 pm
2 stops17h 40m
$753
Cheapest one-way
Quickest one-way
DenverShannon
DEN - SNN
DENSNN
Denver Intl
Mon 10/5
4:40 pm-3:40 pm
2 stops16h 00m
$313
DenverShannon
DEN - SNN
DENSNN
Denver Intl
Mon 10/5
7:40 am-10:15 am
1 stop19h 35m
$370
Sorted by cheapest first
Compare providers for flights from Denver to Shannon
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Denver to Shannon in May.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Denver-Shannon, Clare flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Denver-Shannon, Clare flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Denver-Shannon, Clare flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Denver-Shannon, Clare flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Denver-Shannon, Clare flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
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.
DEN-SNN
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
What is the cheapest month to book a flight from Denver to Shannon, Clare?
Currently, August is the cheapest month in which you can book a flight from Denver to Shannon, Clare (average of $526). Flying from Denver to Shannon, Clare in June is currently the most expensive (average of $1,002). 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.
How much does it cost to fly round-trip from Denver to Shannon, Clare?
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 May 29, 2026.
Peruse reviews from past customers who have flown with Delta,United Airlines, andAmerican 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.
Comfort
7.8
Boarding
8.1
Food
7.2
Entertainment
7.8
Crew
8.5
Overall
7.9
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Comfort
7.8
Boarding
8.1
Food
7.2
Entertainment
7.8
Crew
8.5
Overall
7.9
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Comfort
7.8
Boarding
8.1
Food
7.2
Entertainment
7.8
Crew
8.5
Overall
7.9
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Comfort
7.8
Boarding
8.1
Food
7.2
Entertainment
7.8
Crew
8.5
Overall
7.9
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Comfort
7.8
Boarding
8.1
Food
7.2
Entertainment
7.8
Crew
8.5
Overall
7.9
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
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Top 4 airlines flying from Denver to Shannon
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| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$402 | Average$615 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$483 | Average$630 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$515 | Average$790 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$544 | Average$842 | FlexibilityNo cancel fee | On-timeN/A |