HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news

$1,178+ Cheap flights from Portland (PDX) 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 10/6. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — SNN
Sep 16 — Sep 231
From?
To?
Mon 9/16
Mon 9/23
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Portland to Shannon with Cheapflights

1. Tell us where you want to go
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
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.
3. Compare prices and book
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 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 September 11, 2024.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Popular in

June

Cheapest in

November

Average price

$678

Round-trip from

$1,178
(Air Canada)
Provider with most accurate pricing for Portland-Shannon flight deals.
Search Deals
Provider most trusted by Cheapflights users for Portland-Shannon flights.
Search Deals
High demand for flights, 35% potential price rise
Search Deals
Best time to find cheap flights, 41% potential price drop
Search Deals
Average for round-trip flights in September 2024
Search Deals
From Portland to Shannon
Search Deals

Cheap Portland to Shannon flights in September & October 2024

Find cheap flight options from Portland to Shannon specifically for the months of September and October 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,873,399 searches. Prices were last updated on September 11, 2024.
This Air Canada deal was found by Cheapflights users on 9/10. 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.
Sun 10/66:55 pmPDX - SNN
2 stops41h 40mMultiple Airlines
Fri 10/117:40 amSNN - PDX
2 stops33h 57mMultiple Airlines
Deal found 9/10$1,178
This KAYAK deal was found by Cheapflights users on 9/10. 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.
Sun 10/68:50 pmPDX - SNN
2 stops35h 20mBritish Airways
Fri 10/117:40 amSNN - PDX
1 stop17h 45mBritish Airways
Deal found 9/10$1,304
This CheapOair deal was found by Cheapflights users on 9/10. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/611:55 pmPDX - SNN
1 stop21h 40mMultiple Airlines
Fri 10/117:40 amSNN - PDX
1 stop17h 45mMultiple Airlines
Deal found 9/10$1,307
This Air Canada deal was found by Cheapflights users on 9/10. 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.
Sun 10/611:14 amPDX - SNN
3 stops20h 56mAir Canada
Fri 10/117:40 amSNN - PDX
3 stops18h 37mAir Canada
Deal found 9/10$1,337

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 2,873,399 searches. Data last updated September 11, 2024.
This Air Canada deal was found by Cheapflights users on 9/10. 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.
Sun 10/66:55 pmPDX - SNN
2 stops41h 40mMultiple Airlines
Fri 10/117:40 amSNN - PDX
2 stops33h 57mMultiple Airlines
Deal found 9/10$1,178
This KAYAK deal was found by Cheapflights users on 9/10. 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.
Sun 10/68:50 pmPDX - SNN
2 stops35h 20mBritish Airways
Fri 10/117:40 amSNN - PDX
1 stop17h 45mBritish Airways
Deal found 9/10$1,304
This CheapOair deal was found by Cheapflights users on 9/10. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/611:55 pmPDX - SNN
1 stop21h 40mMultiple Airlines
Fri 10/117:40 amSNN - PDX
1 stop17h 45mMultiple Airlines
Deal found 9/10$1,307
This Air Canada deal was found by Cheapflights users on 9/10. 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.
Sun 10/611:14 amPDX - SNN
3 stops20h 56mAir Canada
Fri 10/117:40 amSNN - PDX
3 stops18h 37mAir Canada
Deal found 9/10$1,337

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 2,873,399 searches. Data last updated September 11, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$1,178 - $1,337

Route

Depart

Return

Price

PortlandShannon

PDX - SNN

PDXSNN

Portland

Sun 10/6

2 stops41h 40m

Shannon

Fri 10/11

2 stops33h 57m

$1,178

PortlandShannon

PDX - SNN

PDXSNN

Portland

Sun 10/6

2 stops35h 20m

Shannon

Fri 10/11

1 stop17h 45m

$1,304

PortlandShannon

PDX - SNN

PDXSNN

Portland

Sun 10/6

1 stop21h 40m

Shannon

Fri 10/11

1 stop17h 45m

$1,307

PortlandShannon

PDX - SNN

PDXSNN

Portland

Sun 10/6

3 stops20h 56m

Shannon

Fri 10/11

3 stops18h 37m

$1,337

Flights are sorted by cheapest first

Deals found on 9/10

Compare providers for flights from Portland 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 Portland to Shannon in September.
ProviderPrice AccuracyTrust Score*Cancellation Policy
ExpediaPrice Accuracy1 starTrust Score*3 starsCancellation PolicyAirline Policy
AranGrantPrice Accuracy3 starsTrust Score*3 starsCancellation PolicyAirline Policy
FlightHubPrice Accuracy3 starsTrust Score*3 starsCancellation PolicyAirline Policy

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Portland-Shannon flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Portland-Shannon flight deals on Cheapflights vs. AranGrant >95% of the time. Price accuracy is based on data collected from Portland-Shannon flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Portland-Shannon flights, Cheapflights users trust AranGrant the most. AranGrant 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 Portland-Shannon 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 Portland to Shannon

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

Travel insights for flights from Portland to Shannon

Get recent, data-driven insights about flights from Portland to Shannon including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from Portland to Shannon?

Currently, November is the cheapest month in which you can book a flight from Portland to Shannon (average of $453). Flying from Portland to Shannon in June is currently the most expensive (average of $1,073). 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 PDX to SNN?

Find hourly flight availability from Portland 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 September 11, 2024.

It’s optimal to fly from Portland to Shannon at noon. By choosing this option you can save up to 34% on the cost of your flight, compared to a flight in the evening.

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

Our users search for these airlines the most when looking for flights from Portland to Shannon. Data last updated on September 11, 2024.

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

United Airlines

United Airlines

From $548

American Airlines

American Airlines

From $492

British Airways

British Airways

From $696

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 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 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, 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 September 11, 2024.
Air Canada
6.9
Okay
7,612 reviews

Boarding

7.2

Comfort

7.0

Overall

6.9

Crew

7.7

Food

6.2

Entertainment

6.8

Reviews

1 / 10

The first flight was quite cold and there were no blankets on the flight but the flight attendant was very sweet. Everything else was great.

Air Canada
6.9
Okay
7,612 reviews
Air Canada
6.9
Okay
7,612 reviews

Boarding

7.2

Comfort

7.0

Overall

6.9

Crew

7.7

Food

6.2

Entertainment

6.8

Reviews

1 / 10

The first flight was quite cold and there were no blankets on the flight but the flight attendant was very sweet. Everything else was great.

British Airways
6.7
Okay
6,802 reviews
Air Canada
6.9
Okay
7,612 reviews

Boarding

7.2

Comfort

7.0

Overall

6.9

Crew

7.7

Food

6.2

Entertainment

6.8

Reviews

1 / 10

The first flight was quite cold and there were no blankets on the flight but the flight attendant was very sweet. Everything else was great.

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 $1,200 on Cheapflights?

    Yes, there are multiple flights from Portland to Shannon for under $1,200. The cheapest flight booked recently is on Multiple Airlines for just $1,178, but on average you can expect to pay $1,281.

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

    Cheapflights users have booked flights from Portland to Shannon round-trip from $1,304. Another airline that can offer you cheap pricing is Air Canada.

  • 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 9/10.

  • What is the cheapest month to book a flight from Portland to Shannon?

    Currently, November is the cheapest month in which you can book a flight from Portland to Shannon (average of $453). Flying from Portland to Shannon in June is currently the most expensive (average of $1,073). 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

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.

Top 3 airlines flying from Portland to Shannon

Discover the top 3 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 2,873,399 searches. Data last updated September 11, 2024.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$492Average$734FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$548Average$769FlexibilityNo cancel feeOn-time69%
British AirwaysCheapest$696Average$909FlexibilityNo cancel feeOn-time70%
Spokane to Las Vegas flights
USA to Pakistan flights
Los Angeles to Thailand flights
Houston to Dallas flights
Denver to Minneapolis flights
USA to Hong Kong flights
Austin to Las Vegas flights
Chicago to San Francisco flights
Pittsburgh to Las Vegas flights
Austin to New Orleans flights
Atlanta to Chicago flights
Portland to Santa Clara, Villa Clara 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.
First Class
Business Class
Prem Econ Class
Economy Class

Book a flight to one of these trending destinations

User searches for flights to these destinations increased 20% or more in the past 90 days compared to other destinations
Flights to La Romana
Flights to Zhanjiang
Flights to San Salvador Ilopango
Flights to Salalah
Flights to Balmaceda Teniente Vidal
Flights to Tirgu Mures
Flights to Caxias do Sul Campo dos Bugres
Flights to Puerto Natales Teniente J. Gallardo
Flights to Udaipur Dabok
Flights to Sorong Jefman
Flights to Abha
Flights to Brașov-Ghimbav Intl
Flights to Bishop
Flights to Dodge City Municipal
Flights to Skardu
Flights to Rajahmundry
Flights to Ayacucho Yanamilla
Flights to Antofagasta Cerro Moreno
Flights to Jaipur Sanganeer
Flights to Kittilä
Flights to Sucre
Flights to George
Flights to Pernem Mopa Intl
Flights to Udon Thani
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.
View all available airlines