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Cheap flights from Portland (PDX) to Shannon (SNN) from $520

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 5/29. 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 3 — May 101
From?
To?
Fri 5/3
Fri 5/10
1 adult, Economy
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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 April 28, 2024.

Popular in

December

Cheapest in

March

Round-trip from

$533

One-way from

$525
High demand for flights, 42% potential price rise
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Best time to find cheap flights, 39% potential price drop
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From Portland to Shannon
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One-way flight from Portland to Shannon
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What is the cheapest day to fly round-trip from Portland to Shannon?

Users have found that leaving on a Monday 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 December. For low rates, March can be a great choice for travel to Shannon. Flights to Shannon from Portland in March are about $1,137 on average during March, but can be found for as low as $621.

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 46% on the cost of your flight, compared to a flight in the evening.

Cheap Delta flights from Portland to Shannon

Explore cheap flight options specifically provided by Delta 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 2,991,349 searches. Data last updated April 28, 2024.
Peruse some of the lowest-priced Delta flights we've found from Portland to Shannon. Make sure to check back often as deals are often changing.
Tue 8/66:15 amPDX - SNN
1 stop20h 35mDelta
Tue 8/2012:50 pmSNN - PDX
1 stop18h 05mDelta
Deal found 4/27$573
Tue 9/106:15 amPDX - SNN
1 stop20h 35mDelta
Fri 10/412:50 pmSNN - PDX
1 stop30h 52mDelta
Deal found 4/27$618
Mon 8/199:30 pmPDX - SNN
1 stop29h 20mDelta
Sat 8/3112:50 pmSNN - PDX
1 stop18h 05mDelta
Deal found 4/27$629
Sun 6/306:15 amPDX - SNN
1 stop20h 35mDelta
Wed 7/1712:50 pmSNN - PDX
1 stop18h 39mDelta
Deal found 4/28$987
Mon 8/199:30 pmPDX - SNN
1 stop29h 20mDelta
Sat 8/3112:50 pmSNN - PDX
1 stop18h 05mDelta
Deal found 4/27$2,228
Mon 8/199:30 pmPDX - SNN
1 stop29h 20mDelta
Sat 8/3112:50 pmSNN - PDX
1 stop18h 05mDelta
Deal found 4/27$3,845

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 2,991,349 searches. Data last updated April 28, 2024.
To aid your search, here are some of the cheapest United Airlines flights we've found from Portland to Shannon. Check back soon if you're not seeing flights that suit your needs.
Sun 9/15:00 amPDX - SNN
2 stops21h 30mUnited Airlines
Fri 9/139:30 amSNN - PDX
1 stop13h 40mUnited Airlines
Deal found 4/28$578
Sun 9/14:01 pmPDX - SNN
3 stops31h 29mUnited Airlines
Fri 9/139:30 amSNN - PDX
2 stops31h 57mUnited Airlines
Deal found 4/28$594
Mon 8/512:20 amPDX - SNN
1 stop23h 10mUnited Airlines
Tue 8/2012:30 pmSNN - PDX
2 stops31h 11mUnited Airlines
Deal found 4/27$630
Thu 10/175:00 amPDX - SNN
2 stops21h 30mUnited Airlines
Sat 10/2612:30 pmSNN - PDX
1 stop17h 13mUnited Airlines
Deal found 4/27$678
Mon 8/1911:59 pmPDX - SNN
2 stops23h 31mUnited Airlines
Sat 8/319:30 amSNN - PDX
2 stops34h 54mUnited Airlines
Deal found 4/27$803
Mon 8/512:20 amPDX - SNN
1 stop23h 10mUnited Airlines
Tue 8/139:30 amSNN - PDX
1 stop21h 00mUnited Airlines
Deal found 4/27$818
Mon 8/512:20 amPDX - SNN
1 stop23h 10mUnited Airlines
Tue 8/139:30 amSNN - PDX
2 stops21h 11mUnited Airlines
Deal found 4/27$823
Tue 8/65:00 amPDX - SNN
2 stops18h 30mUnited Airlines
Tue 8/139:30 amSNN - PDX
2 stops19h 45mUnited Airlines
Deal found 4/27$863
Sun 6/305:00 amPDX - SNN
2 stops18h 30mUnited Airlines
Wed 7/179:30 amSNN - PDX
2 stops18h 41mUnited Airlines
Deal found 4/28$992

Cheap Portland to Shannon flights in April & May 2024

Find cheap flight options from Portland to Shannon specifically for the months of April and May 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,991,349 searches. Prices were last updated on April 28, 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 5/141:25 pmPDX - SNN
2 stops18h 45mAmerican Airlines
Sun 5/269:25 pmSNN - PDX
2 stops31h 19mAmerican Airlines
Deal found 4/27$924
Wed 5/291:25 pmPDX - SNN
2 stops23h 10mAmerican Airlines
Mon 6/249:25 pmSNN - PDX
2 stops30h 35mAmerican Airlines
Deal found 4/27$1,016
Tue 5/2812:15 amPDX - SNN
1 stop23h 15mUnited Airlines
Mon 6/249:30 amSNN - PDX
1 stop13h 41mUnited Airlines
Deal found 4/27$1,037
Tue 5/2812:15 amPDX - SNN
2 stops26h 15mUnited Airlines
Mon 6/249:30 amSNN - PDX
2 stops18h 40mUnited Airlines
Deal found 4/27$1,042
Tue 5/147:00 amPDX - SNN
2 stops19h 30mUnited Airlines
Sun 5/269:30 amSNN - PDX
1 stop17h 05mUnited Airlines
Deal found 4/27$1,058
Tue 5/147:15 pmPDX - SNN
1 stop17h 20mAmerican Airlines
Sun 5/267:40 amSNN - PDX
1 stop17h 45mAmerican Airlines
Deal found 4/27$1,111
Tue 5/147:00 amPDX - SNN
3 stops20h 20mMultiple Airlines
Sun 5/267:40 amSNN - PDX
2 stops22h 59mMultiple Airlines
Deal found 4/27$1,356
Wed 5/2910:20 amPDX - SNN
2 stops26h 15mMultiple Airlines
Mon 6/247:40 amSNN - PDX
3 stops22h 32mMultiple Airlines
Deal found 4/27$1,750
Tue 5/147:00 amPDX - SNN
3 stops20h 20mAir Canada
Sun 5/267:40 amSNN - PDX
3 stops22h 30mAir Canada
Deal found 4/27$1,934

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 2,991,349 searches. Data last updated April 28, 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 4/27$573
Tue 8/66:15 amPDX - SNN
1 stop20h 35mKLM
Tue 8/2012:50 pmSNN - PDX
2 stops28h 11mKLM
Deal found 4/27$578
Tue 9/106:15 amPDX - SNN
1 stop20h 35mDelta
Fri 10/412:50 pmSNN - PDX
1 stop30h 52mDelta
Deal found 4/27$618
Mon 8/199:30 pmPDX - SNN
1 stop29h 20mDelta
Sat 8/3112:50 pmSNN - PDX
1 stop18h 05mDelta
Deal found 4/27$629
Mon 8/512:20 amPDX - SNN
1 stop23h 10mUnited Airlines
Tue 8/2012:30 pmSNN - PDX
2 stops31h 11mUnited Airlines
Deal found 4/27$630
Mon 8/199:30 pmPDX - SNN
1 stop29h 20mKLM
Sat 8/3112:50 pmSNN - PDX
2 stops28h 11mKLM
Deal found 4/27$635
Thu 10/175:00 amPDX - SNN
2 stops21h 30mUnited Airlines
Sat 10/2612:30 pmSNN - PDX
1 stop17h 13mUnited Airlines
Deal found 4/27$678
Tue 9/107:01 amPDX - SNN
1 stop16h 29mMultiple Airlines
Fri 10/47:40 amSNN - PDX
2 stops22h 32mMultiple Airlines
Deal found 4/27$785
Tue 9/1011:55 pmPDX - SNN
2 stops26h 35mMultiple Airlines
Fri 10/47:40 amSNN - PDX
2 stops22h 32mMultiple Airlines
Deal found 4/27$790

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 2,991,349 searches. Data last updated April 28, 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 4/27$520
Wed 5/291:25 pmPDX - SNN
2 stops23h 10mAmerican Airlines
Deal found 4/27$525
Tue 5/217:00 amPDX - SNN
2 stops19h 30mUnited Airlines
Deal found 4/28$545
Tue 5/215:00 amPDX - SNN
2 stops21h 30mUnited Airlines
Deal found 4/27$551
Tue 5/217:15 pmPDX - SNN
1 stop17h 20mMultiple Airlines
Deal found 4/27$565
Tue 5/2812:15 amPDX - SNN
1 stop23h 15mUnited Airlines
Deal found 4/27$857
Tue 5/2812:15 amPDX - SNN
2 stops26h 15mUnited Airlines
Deal found 4/27$863
Wed 5/292:00 pmPDX - SNN
3 stops22h 35mMultiple Airlines
Deal found 4/27$903
Tue 5/2111:06 amPDX - SNN
3 stops39h 24mUnited Airlines
Deal found 4/28$941

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 2,991,349 searches. Data last updated April 28, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$573 - $924

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

Sun 9/1

2 stops21h 30m

Shannon

Fri 9/13

1 stop13h 40m

$578

PortlandShannon

PDX - SNN

PDXSNN

Portland

Sun 9/1

3 stops31h 29m

Shannon

Fri 9/13

2 stops31h 57m

$594

PortlandShannon

PDX - SNN

PDXSNN

Portland

Tue 9/10

1 stop20h 35m

Shannon

Fri 10/4

1 stop30h 52m

$618

PortlandShannon

PDX - SNN

PDXSNN

Portland

Mon 8/19

1 stop29h 20m

Shannon

Sat 8/31

1 stop18h 05m

$629

PortlandShannon

PDX - SNN

PDXSNN

Portland

Mon 8/5

1 stop23h 10m

Shannon

Tue 8/20

2 stops31h 11m

$630

PortlandShannon

PDX - SNN

PDXSNN

Portland

Mon 8/19

1 stop29h 20m

Shannon

Sat 8/31

2 stops28h 11m

$635

PortlandShannon

PDX - SNN

PDXSNN

Portland

Tue 9/10

1 stop16h 29m

Shannon

Fri 10/4

2 stops22h 32m

$785

PortlandShannon

PDX - SNN

PDXSNN

Portland

Tue 5/14

2 stops18h 45m

Shannon

Sun 5/26

2 stops31h 19m

$924

Flights are sorted by cheapest first

Deals found on 4/27

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 21, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Portland to Shannon flight should consider departing on Monday evenings when fares are most often at their lowest. Friday 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 $697 while a round-trip flight costs $663. Price data was last updated on April 21, 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 $1,077). 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

$706

May

$842

June

$1,077

July

$1,042

August

$922

September

$815

October

$662

November

$594

December

$650

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 April 28, 2024.
Read through reviews of airlines operating flights from Portland to Shannon, such as Delta, United Airlines and KLM. 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.
Delta
8.1
Very good
10,932 reviews
Check prices

Entertainment

8.0

Comfort

7.9

Boarding

8.2

Crew

8.6

Overall

8.1

Food

7.4

Reviews

1 / 10

Terrible flight crew that skipped our row for service multiple times.

Delta
8.1
Very good
10,932 reviews
Delta
8.1
Very good
10,932 reviews
Check prices

Entertainment

8.0

Comfort

7.9

Boarding

8.2

Crew

8.6

Overall

8.1

Food

7.4

Reviews

1 / 10

Terrible flight crew that skipped our row for service multiple times.

KLM
7.9
Good
1,623 reviews
Delta
8.1
Very good
10,932 reviews
Check prices

Entertainment

8.0

Comfort

7.9

Boarding

8.2

Crew

8.6

Overall

8.1

Food

7.4

Reviews

1 / 10

Terrible flight crew that skipped our row for service multiple times.

United Airlines
7.4
Good
11,221 reviews
Delta
8.1
Very good
10,932 reviews
Check prices

Entertainment

8.0

Comfort

7.9

Boarding

8.2

Crew

8.6

Overall

8.1

Food

7.4

Reviews

1 / 10

Terrible flight crew that skipped our row for service multiple times.

American Airlines
7.3
Good
14,844 reviews
Delta
8.1
Very good
10,932 reviews
Check prices

Entertainment

8.0

Comfort

7.9

Boarding

8.2

Crew

8.6

Overall

8.1

Food

7.4

Reviews

1 / 10

Terrible flight crew that skipped our row for service multiple times.

Air Canada
7.0
Good
6,875 reviews
Delta
8.1
Very good
10,932 reviews
Check prices

Entertainment

8.0

Comfort

7.9

Boarding

8.2

Crew

8.6

Overall

8.1

Food

7.4

Reviews

1 / 10

Terrible flight crew that skipped our row for service multiple times.

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 $777.

  • 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 United Airlines, from $578, and KLM, from $635. These flights start at 49% lower than the current average price 3 months from now.

  • What are the cheapest airlines to fly from Portland to Shannon one-way?

    To fly one-way, consider booking your trip with American Airlines, which is currently one of the cheapest options available, starting at $520. United Airlines flights start at $545 while deals on Delta start at $1,205 one-way.

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

    Before booking your flight from Portland to Shannon check out the most popular airlines for this route: American Airlines, British Airways or Aer Lingus.

  • 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 4/27.

See more FAQs

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

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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 2,991,349 searches. Data last updated April 28, 2024.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$492Average$711FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
United AirlinesCheapest$548Average$964FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
British AirwaysCheapest$696Average$965FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Aer LingusCheapest$802Average$1,179FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
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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.
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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.

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