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Shannon

$561+ Cheap flights from Oregon 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 9/11. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — SNN
Apr 22 — Apr 291
Tue 4/22
Tue 4/29
1 adult, Economy
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Cheap flight deals from Oregon to Shannon

Keep the following information in mind while searching for Oregon to Shannon flight deals. Data was last updated April 17, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$616
(United Airlines)

Popular in

June

Cheapest in

November

Average price

$1,083
Provider with most accurate pricing for Portland-Shannon flight deals.
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Provider most trusted by Cheapflights users for Portland-Shannon flights.
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From Oregon to Shannon
Search Deals
Highest demand for flights based on searches. 14% potential increase in price ($136 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($39 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Find flight deals from Oregon to Shannon

Cheapest flights from Oregon to Shannon
Explore the most affordable flight options available from Oregon to Shannon. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 17, 2025.

This United Airlines deal was found by Cheapflights users on 4/16. 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 9/117:00 amPDX - SNN
1 stop16h 30mUnited Airlines
Wed 9/249:30 amSNN - PDX
2 stops21h 21mUnited Airlines
Deal found 4/16$561
This American Airlines deal was found by Cheapflights users on 4/17. 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 5/61:55 pmPDX - SNN
2 stops18h 15mAmerican Airlines
Thu 5/157:40 amSNN - PDX
2 stops23h 19mAmerican Airlines
Deal found 4/17$623
This Air Canada deal was found by Cheapflights users on 4/17. 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.
Tue 11/1110:10 amPDX - SNN
3 stops22h 35mAir Canada
Tue 11/257:45 amSNN - PDX
2 stops33h 49mAir Canada
Deal found 4/17$723
This Delta deal was found by Cheapflights users on 4/16. 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 5/278:46 amBOI - SNN
2 stops19h 24mDelta
Thu 6/121:05 pmSNN - BOI
2 stops31h 15mDelta
Deal found 4/16$730
This United Airlines deal was found by Cheapflights users on 4/17. 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 5/2712:39 pmBOI - SNN
1 stop11h 51mUnited Airlines
Thu 6/129:30 amSNN - BOI
1 stop33h 13mUnited Airlines
Deal found 4/17$732
This Air Canada deal was found by Cheapflights users on 4/16. 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.
Thu 9/113:25 pmPDX - SNN
2 stops21h 10mMultiple Airlines
Wed 9/247:40 amSNN - PDX
3 stops19h 06mMultiple Airlines
Deal found 4/16$758
This American Airlines deal was found by Cheapflights users on 4/17. 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 11/114:00 pmEUG - SNN
2 stops19h 25mMultiple Airlines
Tue 11/252:45 pmSNN - EUG
2 stops29h 26mMultiple Airlines
Deal found 4/17$881
This American Airlines deal was found by Cheapflights users on 4/16. 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.
Wed 5/141:38 pmBOI - SNN
2 stops19h 32mAmerican Airlines
Wed 5/217:40 amSNN - BOI
2 stops22h 52mAmerican Airlines
Deal found 4/16$900
This Gurufare deal was found by Cheapflights users on 4/16. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/411:59 pmPDX - SNN
2 stops27h 21mBritish Airways
Sun 10/129:15 pmSNN - PDX
1 stop28h 20mBritish Airways
Deal found 4/16$965
This KAYAK deal was found by Cheapflights users on 4/17. 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 7/37:25 pmPDX - SNN
1 stop12h 45mAer Lingus
Sun 7/204:55 pmSNN - PDX
1 stop32h 40mAer Lingus
Deal found 4/17$1,274
This United Airlines deal was found by Cheapflights users on 4/17. 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.
Fri 4/186:00 amEUG - SNN
2 stops20h 15mUnited Airlines
Sun 4/2712:30 pmSNN - EUG
2 stops17h 03mUnited Airlines
Deal found 4/17$1,645
This Gurufare deal was found by Cheapflights users on 4/17. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/85:39 pmBOI - SNN
2 stops19h 56mBritish Airways
Fri 6/139:15 pmSNN - BOI
2 stops32h 39mBritish Airways
Deal found 4/17$1,834

Cheapflights Fare Finder

Customize your flight search to find flights from Oregon 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 April 17, 2025.
Use the filters below to find and compare flights from Oregon to Shannon that are best for you.

Fly from

Oregon

Fly to

Shannon

Route

Depart

Return

Price

PortlandShannon

PDX - SNN

PDXSNN

Portland

Wed 5/7

7:54 am-10:15 am

2 stops18h 21m

Shannon

Wed 5/14

12:30 pm-9:39 pm

1 stop17h 09m

$616

PortlandShannon

PDX - SNN

PDXSNN

Portland

Tue 5/6

11:14 am-4:10 pm

2 stops20h 56m

Shannon

Thu 5/15

7:40 am-10:59 pm

2 stops23h 19m

$623

BoiseShannon

BOI - SNN

BOISNN

Boise Air Term. Gowen Fld

Tue 5/27

8:46 am-11:10 am

2 stops19h 24m

Shannon

Thu 6/12

1:05 pm-1:20 pm

2 stops31h 15m

$730

BoiseShannon

BOI - SNN

BOISNN

Boise Air Term. Gowen Fld

Tue 5/27

12:39 pm-7:30 am

1 stop11h 51m

Shannon

Thu 6/12

9:30 am-11:43 am

1 stop33h 13m

$732

PortlandShannon

PDX - SNN

PDXSNN

Portland

Tue 5/6

7:25 pm-8:35 pm

1 stop17h 10m

Shannon

Thu 5/15

7:40 am-5:35 pm

1 stop17h 55m

$818

PortlandShannon

PDX - SNN

PDXSNN

Portland

Tue 5/6

6:15 am-8:35 pm

2 stops30h 20m

Shannon

Thu 5/15

7:40 am-10:36 pm

3 stops22h 56m

$825

BoiseShannon

BOI - SNN

BOISNN

Boise Air Term. Gowen Fld

Wed 5/14

1:38 pm-4:10 pm

2 stops19h 32m

Shannon

Wed 5/21

7:40 am-11:32 pm

2 stops22h 52m

$900

PortlandShannon

PDX - SNN

PDXSNN

Portland

Tue 5/6

7:25 pm-4:10 pm

1 stop12h 45m

Shannon

Thu 5/15

7:40 am-5:35 pm

1 stop17h 55m

$969

PortlandShannon

PDX - SNN

PDXSNN

Portland

Thu 7/3

7:25 pm-4:10 pm

1 stop12h 45m

Shannon

Sun 7/20

4:55 pm-5:35 pm

1 stop32h 40m

$1,274

BoiseShannon

BOI - SNN

BOISNN

Boise Air Term. Gowen Fld

Sun 6/8

5:39 pm-8:35 pm

2 stops19h 56m

Shannon

Fri 6/13

9:15 pm-10:54 pm

2 stops32h 39m

$1,834

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/17

Showing 1-10 of 12 results
1
2

Best time to book a flight from Oregon to Shannon

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

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

Find hourly flight availability from Oregon 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 April 17, 2025.

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

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 April 17, 2025.
To help decide which airline to fly from Oregon to Shannon, see what other customers have to say about Delta, United Airlines and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,916 reviews

Boarding

8.2

Comfort

7.9

Overall

8.0

Food

7.3

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,916 reviews
Delta
8.0
Very good
7,916 reviews

Boarding

8.2

Comfort

7.9

Overall

8.0

Food

7.3

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
United Airlines
7.4
Good
8,667 reviews
Delta
8.0
Very good
7,916 reviews

Boarding

8.2

Comfort

7.9

Overall

8.0

Food

7.3

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,916 reviews

Boarding

8.2

Comfort

7.9

Overall

8.0

Food

7.3

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Air Canada
7.0
Good
9,143 reviews
Delta
8.0
Very good
7,916 reviews

Boarding

8.2

Comfort

7.9

Overall

8.0

Food

7.3

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Aer Lingus
7.0
Good
1,063 reviews
Delta
8.0
Very good
7,916 reviews

Boarding

8.2

Comfort

7.9

Overall

8.0

Food

7.3

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

Find useful and relevant information for your journey from Oregon 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 Oregon?

    Most people fly into Shannon (SNN) if they book a flight to Shannon from Oregon. Shannon is conveniently located just 2.1 mi from Shannon’s city center.

  • What are the most popular routes from Oregon to Shannon, Clare?

    The most popular flight routes from Oregon to Shannon, Clare are Portland - Shannon, Boise Air Term. Gowen Fld - Shannon and Eugene - Shannon.

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

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

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

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

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

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

    Currently, February is the cheapest month in which you can book a flight from Oregon to Shannon, Clare (average of $533). Flying from Oregon to Shannon, Clare in June is currently the most expensive (average of $1,007). 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 Oregon?

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

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Top 3 airlines flying from Oregon to Shannon

Discover the top 3 airlines that operate flights from Oregon 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 April 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$453Average$849FlexibilityNo cancel feeOn-time71%
DeltaCheapest$548Average$668FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$578Average$866FlexibilityNo cancel feeOn-time69%

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