Cheap flights from Portland (PDX) to Shannon (SNN) from $573

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 8/6. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
PDX — SNN
May 10 — May 171

Cheap flight deals from Portland to Shannon

Discover tips and strategies to find the most affordable flight options for your journey from Portland (PDX) 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 5, 2024.

Popular in

June

Cheapest in

April

Average price

$1,003

Round-trip from

$533
High demand for flights, 33% potential price rise
Best time to find cheap flights, 30% potential price drop
Average for round-trip flights in May 2024
From Portland to Shannon

What is the cheapest day to fly round-trip from Portland to Shannon?

Users have found that leaving on a Tuesday can be a cost-effective option. It’s possible to save up to 66% on your flight compared to booking on days when demand is much higher.

What is the cheapest month to fly from Portland to Shannon?

Due to multiple factors, expect to potentially pay more when booking in June. For low rates, April can be a great choice for travel to Shannon. Flights to Shannon from Portland in April are about $814 on average during April, but can be found for as low as $522.

When is the cheapest time to fly from Portland to Shannon (PDX - SNN)?

It’s optimal to fly from Portland to Shannon at noon. By choosing this option you can save up to 44% on the cost of your flight, compared to a flight in the evening.

Cheap United Airlines flights from Portland to Shannon

Explore cheap flight options specifically provided by United Airlines for the route between Portland and Shannon. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,795,183 searches. Data last updated May 5, 2024.
Peruse some of the lowest-priced United Airlines flights we've found from Portland to Shannon. Make sure to check back often as deals are often changing.
Mon 8/512:20 amPDX - SNN
1 stop23h 10mUnited Airlines
Tue 8/2012:30 pmSNN - PDX
2 stops31h 11mUnited Airlines
Deal found 5/4$630
Mon 8/512:20 amPDX - SNN
1 stop23h 10mUnited Airlines
Tue 8/139:30 amSNN - PDX
1 stop21h 00mUnited Airlines
Deal found 5/4$818
Mon 8/512:20 amPDX - SNN
2 stops26h 10mUnited Airlines
Tue 8/1312:30 pmSNN - PDX
2 stops29h 08mUnited Airlines
Deal found 5/4$823
Tue 8/66:40 pmPDX - SNN
2 stops28h 50mUnited Airlines
Tue 8/1312:30 pmSNN - PDX
2 stops29h 08mUnited Airlines
Deal found 5/4$859
Sun 6/307:00 amPDX - SNN
1 stop16h 30mUnited Airlines
Wed 7/179:30 amSNN - PDX
1 stop13h 41mUnited Airlines
Deal found 5/5$987
Sun 6/307:00 amPDX - SNN
1 stop16h 30mUnited Airlines
Wed 7/179:30 amSNN - PDX
2 stops21h 11mUnited Airlines
Deal found 5/5$992

Cheap American Airlines flights from Portland to Shannon

Explore cheap flight options specifically provided by American Airlines for the route between Portland and Shannon. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,795,183 searches. Data last updated May 5, 2024.
To aid your search, here are some of the cheapest American Airlines flights we've found from Portland to Shannon. Check back soon if you're not seeing flights that suit your needs.
Wed 10/232:25 pmPDX - SNN
2 stops22h 10mAmerican Airlines
Fri 11/17:45 amSNN - PDX
2 stops22h 28mAmerican Airlines
Deal found 5/4$688
Wed 10/97:15 pmPDX - SNN
1 stop12h 55mAmerican Airlines
Wed 10/237:40 amSNN - PDX
1 stop17h 45mAmerican Airlines
Deal found 5/4$758
Wed 10/237:15 pmPDX - SNN
1 stop17h 20mAmerican Airlines
Fri 11/17:45 amSNN - PDX
1 stop16h 45mAmerican Airlines
Deal found 5/4$873
Tue 5/141:25 pmPDX - SNN
2 stops18h 45mAmerican Airlines
Sun 5/269:25 pmSNN - PDX
2 stops31h 19mAmerican Airlines
Deal found 5/4$1,069
Tue 5/147:15 pmPDX - SNN
1 stop12h 55mAmerican Airlines
Sun 5/267:40 amSNN - PDX
1 stop17h 45mAmerican Airlines
Deal found 5/4$1,255
Tue 5/141:25 pmPDX - SNN
2 stops23h 10mAmerican Airlines
Sun 5/267:40 amSNN - PDX
1 stop17h 45mAmerican Airlines
Deal found 5/4$1,260

Cheap Portland to Shannon flights in May & June 2024

Find cheap flight options from Portland to Shannon specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,795,183 searches. Prices were last updated on May 5, 2024.
Scroll through some of the best deals on flights from Portland to Shannon in 2024. If these deals don't appeal to you, be sure to come back soon for more options.
Sun 6/307:00 amPDX - SNN
1 stop16h 30mUnited Airlines
Wed 7/179:30 amSNN - PDX
1 stop13h 41mUnited Airlines
Deal found 5/5$987
Sun 6/307:00 amPDX - SNN
1 stop16h 30mUnited Airlines
Wed 7/179:30 amSNN - PDX
2 stops21h 11mUnited Airlines
Deal found 5/5$992
Tue 5/141:25 pmPDX - SNN
2 stops18h 45mAmerican Airlines
Sun 5/269:25 pmSNN - PDX
2 stops31h 19mAmerican Airlines
Deal found 5/4$1,069
Tue 5/147:15 pmPDX - SNN
1 stop12h 55mAmerican Airlines
Sun 5/267:40 amSNN - PDX
1 stop17h 45mAmerican Airlines
Deal found 5/4$1,255
Tue 5/141:25 pmPDX - SNN
2 stops23h 10mAmerican Airlines
Sun 5/267:40 amSNN - PDX
1 stop17h 45mAmerican Airlines
Deal found 5/4$1,260
Sat 6/2912:59 amPDX - SNN
2 stops31h 11mMultiple Airlines
Wed 7/179:25 pmSNN - PDX
2 stops32h 35mMultiple Airlines
Deal found 5/4$1,427
Tue 5/143:25 pmPDX - SNN
2 stops21h 10mMultiple Airlines
Sun 5/267:40 amSNN - PDX
3 stops22h 30mMultiple Airlines
Deal found 5/4$2,247

Portland to Shannon 2024 flight deals

Discover exclusive flight deals for travel between Portland and Shannon in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,795,183 searches. Data last updated May 5, 2024.
Scroll through some of the best deals on flights from Portland to Shannon in 2024. If these deals don't appeal to you, be sure to come back soon for more options.
Tue 8/66:15 amPDX - SNN
1 stop20h 35mDelta
Tue 8/2012:50 pmSNN - PDX
1 stop18h 05mDelta
Deal found 5/4$573
Tue 8/66:15 amPDX - SNN
1 stop20h 35mKLM
Tue 8/2012:50 pmSNN - PDX
2 stops28h 11mKLM
Deal found 5/4$578
Mon 8/512:20 amPDX - SNN
1 stop23h 10mUnited Airlines
Tue 8/2012:30 pmSNN - PDX
2 stops31h 11mUnited Airlines
Deal found 5/4$630
Wed 10/232:25 pmPDX - SNN
2 stops22h 10mAmerican Airlines
Fri 11/17:45 amSNN - PDX
2 stops22h 28mAmerican Airlines
Deal found 5/4$688
Wed 10/2310:25 amPDX - SNN
1 stop16h 05mMultiple Airlines
Fri 11/15:30 pmSNN - PDX
2 stops36h 16mMultiple Airlines
Deal found 5/4$730
Wed 10/233:25 pmPDX - SNN
2 stops21h 10mAir Canada
Fri 11/17:45 amSNN - PDX
3 stops22h 01mAir Canada
Deal found 5/4$733
Wed 10/97:15 pmPDX - SNN
1 stop12h 55mAmerican Airlines
Wed 10/237:40 amSNN - PDX
1 stop17h 45mAmerican Airlines
Deal found 5/4$758
Sun 11/2410:40 amPDX - SNN
2 stops22h 05mMultiple Airlines
Sat 11/305:25 pmSNN - PDX
2 stops48h 36mMultiple Airlines
Deal found 5/4$781
Mon 8/512:20 amPDX - SNN
1 stop23h 10mUnited Airlines
Tue 8/139:30 amSNN - PDX
1 stop21h 00mUnited Airlines
Deal found 5/4$818

Portland to Shannon flights leaving soon

Find last-minute flight options from Portland to Shannon for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 2,795,183 searches. Data last updated May 5, 2024.
Have a look at some of the flights available from Portland to Shannon departing last-minute. It's wise to confirm all flight details are correct before booking.
Tue 5/141:25 pmPDX - SNN
2 stops18h 45mAmerican Airlines
Sun 5/269:25 pmSNN - PDX
2 stops31h 19mAmerican Airlines
Deal found 5/4$1,069
Tue 5/147:15 pmPDX - SNN
1 stop12h 55mAmerican Airlines
Sun 5/267:40 amSNN - PDX
1 stop17h 45mAmerican Airlines
Deal found 5/4$1,255
Tue 5/141:25 pmPDX - SNN
2 stops23h 10mAmerican Airlines
Sun 5/267:40 amSNN - PDX
1 stop17h 45mAmerican Airlines
Deal found 5/4$1,260
Tue 5/143:25 pmPDX - SNN
2 stops21h 10mMultiple Airlines
Sun 5/267:40 amSNN - PDX
3 stops22h 30mMultiple Airlines
Deal found 5/4$2,247

One-way flights to Shannon from Portland

Search for one-way flight options from Portland to Shannon. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 2,795,183 searches. Data last updated May 5, 2024.
Take a look at some of the one-way flights we've detected from Portland to Shannon. Users can also find round-trip Portland to Shannon flights by using the search form above.
Wed 5/297:15 pmPDX - SNN
1 stop17h 20mAmerican Airlines
Deal found 5/4$869
Wed 5/291:25 pmPDX - SNN
2 stops23h 10mAmerican Airlines
Deal found 5/4$874
Tue 5/2812:15 amPDX - SNN
1 stop23h 15mUnited Airlines
Deal found 5/4$895
Tue 5/2812:15 amPDX - SNN
2 stops26h 15mUnited Airlines
Deal found 5/4$901
Wed 5/2911:10 amPDX - SNN
3 stops39h 20mUnited Airlines
Deal found 5/4$991

Find flights from Portland to Shannon within your budget

Customize your flight search to find flights from Portland 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 2,795,183 searches. Data last updated May 5, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$573 - $823

Route

Depart

Return

Price

PortlandShannon

PDX - SNN

PDXSNN

Portland

Tue 8/6

1 stop20h 35m

Shannon

Tue 8/20

1 stop18h 05m

$573

PortlandShannon

PDX - SNN

PDXSNN

Portland

Tue 8/6

1 stop20h 35m

Shannon

Tue 8/20

2 stops28h 11m

$578

PortlandShannon

PDX - SNN

PDXSNN

Portland

Mon 8/5

1 stop23h 10m

Shannon

Tue 8/20

2 stops31h 11m

$630

PortlandShannon

PDX - SNN

PDXSNN

Portland

Wed 10/23

2 stops22h 10m

Shannon

Fri 11/1

2 stops22h 28m

$688

PortlandShannon

PDX - SNN

PDXSNN

Portland

Wed 10/23

1 stop16h 05m

Shannon

Fri 11/1

2 stops36h 16m

$730

PortlandShannon

PDX - SNN

PDXSNN

Portland

Wed 10/23

2 stops21h 10m

Shannon

Fri 11/1

3 stops22h 01m

$733

PortlandShannon

PDX - SNN

PDXSNN

Portland

Wed 10/9

1 stop12h 55m

Shannon

Wed 10/23

1 stop17h 45m

$758

PortlandShannon

PDX - SNN

PDXSNN

Portland

Mon 8/5

1 stop23h 10m

Shannon

Tue 8/13

1 stop21h 00m

$818

PortlandShannon

PDX - SNN

PDXSNN

Portland

Mon 8/5

2 stops26h 10m

Shannon

Tue 8/13

2 stops29h 08m

$823

Flights are sorted by cheapest first

Deals found on 5/4

When is the cheapest time to fly from Portland to Shannon?

Use this chart to determine the cheapest time to fly round-trip from Portland to Shannon. Price data was last updated on April 28, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Portland to Shannon flight should consider departing on Wednesday afternoons when fares are most often at their lowest. Thursday evenings flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

Average price of flights to Shannon by month

Plan your trip from Portland to Shannon by taking into account the cheapest months to travel. The average price of a one-way flight from Portland to Shannon is currently $906 while a round-trip flight costs $703. Price data was last updated on April 28, 2024.

Currently, February is the cheapest month in which you can book a flight from Portland to Shannon (average of $533). Flying from Portland to Shannon in June is currently the most expensive (average of $1,060). 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.

January

$620

February

$533

March

$614

April

$695

May

$838

June

$1,060

July

$1,042

August

$907

September

$815

October

$662

November

$584

December

$649

Temperature and rainfall in Shannon by month

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

SNN

Temperature

42.8 - 60.8 °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 May 5, 2024.
Read through reviews of airlines operating flights from Portland to Shannon, such as United Airlines and American Airlines. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.1
Very good
10,838 reviews

Entertainment

8.0

Crew

8.6

Boarding

8.2

Food

7.4

Comfort

7.9

Overall

8.1

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

8.1
Very good
10,838 reviews
8.1
Very good
10,838 reviews

Entertainment

8.0

Crew

8.6

Boarding

8.2

Food

7.4

Comfort

7.9

Overall

8.1

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

7.9
Good
1,604 reviews
8.1
Very good
10,838 reviews

Entertainment

8.0

Crew

8.6

Boarding

8.2

Food

7.4

Comfort

7.9

Overall

8.1

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

7.4
Good
11,125 reviews
8.1
Very good
10,838 reviews

Entertainment

8.0

Crew

8.6

Boarding

8.2

Food

7.4

Comfort

7.9

Overall

8.1

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

7.3
Good
14,728 reviews
8.1
Very good
10,838 reviews

Entertainment

8.0

Crew

8.6

Boarding

8.2

Food

7.4

Comfort

7.9

Overall

8.1

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

7.0
Good
6,904 reviews
8.1
Very good
10,838 reviews

Entertainment

8.0

Crew

8.6

Boarding

8.2

Food

7.4

Comfort

7.9

Overall

8.1

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

Related info for your journey

Find useful and relevant information for your journey from Portland to Shannon. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • Can I find flights from Portland to Shannon for under $600 on Cheapflights?

    Yes, there are multiple flights from Portland to Shannon for under $600. The cheapest flight booked recently is on Delta for just $573, but on average you can expect to pay $819.

  • Are there last-minute flights available from Portland to Shannon for under $1,100?

    There are currently 4+ open flights from Portland to Shannon within the next 7 days for less than $1,100.

  • What are the cheapest airlines flying from Portland to Shannon round-trip?

    Cheapflights users have booked flights from Portland to Shannon round-trip from $573. Other airlines that can offer you cheap pricing are KLM, from $578, and United Airlines, from $630. These flights start at 29% lower than the current average price 3 months from now.

  • What are the most popular airlines that fly from Portland to Shannon?

  • What does PDX to SNN mean?

    These are just IATA (International Air Transport Association) codes. They are used in aviation to identify and differentiate airports. That’s why a Portland Airport to Shannon Airport flight would often be abbreviated as a PDX to SNN flight.

  • Can I find deals for flights from Portland to Shannon that include extra baggage allowance?

    The amount of baggage you can bring on your Portland to Shannon flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Portland to Shannon with specific airlines?

    Yes, Cheapflights allows you to browse and filter Portland to Shannon flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Portland 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.

  • Can I find deals for flights from Portland to Shannon that allow pets onboard?

    Many airlines flying from Portland to Shannon offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Portland to Shannon?

    Yes, you can often find last-minute deals on Portland to Shannon flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Portland to Shannon flight deals updated?

    The Portland to Shannon flight deals you see on this page were last updated on 5/4.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Portland to Shannon
See prices for flight routes from nearby airports that may be better suited for you.

Top 4 airlines flying from Portland to Shannon

Discover the top 4 airlines that operate flights from Portland 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 2,795,183 searches. Data last updated May 5, 2024.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$492Average$689FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
United AirlinesCheapest$548Average$964FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
British AirwaysCheapest$696Average$1,072FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Aer LingusCheapest$802Average$1,179FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights

Search flights from Portland to Shannon by cabin class

Find flights from Portland to Shannon, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Portland to Shannon?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Portland to Shannon. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from Portland to Shannon?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Portland to Shannon for you. Better yet — we are completely free to use.

Can Cheapflights find flights from Portland to Shannon with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Portland to Shannon, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Portland to Shannon become cheaper?

Yes! Start tracking prices for Portland to Shannon flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.