$483 Cheap British Airways flights Portland (PDX) to Shannon (SNN)

View $483 flight on Fri, Mar 27, 2026Opens in a new window

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$483 Cheap British Airways flights Portland (PDX) to Shannon (SNN)

Prices were available within the past 7 days and start at $483 for one-way flights and $687 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

British Airways
Wed, Nov 5 - Mon, Nov 10
PDX
Portland
SNN
Shannon
$687 Roundtrip, found 19 hours ago
$687
Roundtrip
found 19 hours ago
Select British Airways flight, departing Wed, Nov 5 from Portland to Shannon, returning Mon, Nov 10, priced at $687 found 19 hours ago
British Airways
Mon, Aug 25 - Tue, Sep 9
PDX
Portland
SNN
Shannon
$717 Roundtrip, just found
$717
Roundtrip
just found
Select British Airways flight, departing Mon, Aug 25 from Portland to Shannon, returning Tue, Sep 9, priced at $717 just found
British Airways
Sat, Aug 16 - Tue, Sep 2
PDX
Portland
SNN
Shannon
$721 Roundtrip, just found
$721
Roundtrip
just found
Select British Airways flight, departing Sat, Aug 16 from Portland to Shannon, returning Tue, Sep 2, priced at $721 just found
Flights from Portland (PDX) to Shannon (SNN)
Origin airport
Portland Intl.
Destination airport
Shannon
Airlines serving
Aer Lingus, Air Canada, American Airlines, British Airways, Delta, JetBlue Airways, KLM, Lufthansa, United
Popular airline
British Airways
Distance
4598 mi

Frequently asked questions

How much is a British Airways flight from Portland Intl. Airport (PDX) to Shannon Airport (SNN)?
Scoring cheap one-way British Airways flights from PDX to SNN from $483 on Expedia is a cinch — just filter by "Price (lowest to highest)." Alternatively, check out our budget-friendly round-trip fares from $687 for your next getaway.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
What is the cheapest month to fly from PDX to SNN with British Airways?
Search for round-trip or one-way flights to Shannon in January or February. You could find lower fares with British Airways during these off-peak travel months.
What is the cheapest time to book flights from Portland Intl. Airport (PDX) to Shannon Airport (SNN) with British Airways?
Getting the best British Airways deals from PDX to SNN is typically all about timing. You can save 17% on international flights when you book 18 to 29 days before takeoff instead of four to five months ahead. Better still, you can pocket 17% on average by buying your fare on a Sunday compared to a Friday, which is usually the most expensive day to book.* It's smart to kick off your flight search about one month before you want to travel.*Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC's global airline sales database.
Does British Airways fly nonstop from Portland Intl. Airport (PDX) to Shannon Airport (SNN)?
To see if there's a direct route from PDX to SNN with British Airways or other airlines, select the "Nonstop" filter when searching for flights.
What is the earliest British Airways flight from PDX to SNN?
Find British Airways's earliest flights from PDX to SNN by checking the "Early Morning" and "Morning" filters. Not only will you get to where you're going sooner, early departures also have a 20% less chance of being canceled.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports does British Airways fly into in Shannon?
Take a British Airways flight from Portland Intl. Airport (PDX) to Shannon, and you'll probably come in to Shannon Airport (SNN). This is the airline's primary hub in this destination.
What kind of luggage can I take on a British Airways flight from Portland Intl. Airport (PDX) to Shannon Airport (SNN)?
For checked luggage, passengers can take 1 checked-in bag weighing up to 50 lb with dimensions not exceeding 29 inches x 15 inches x 16 inches. You can also travel with 2 cabin bags in the cabin when flying standard economy from PDX to SNN with British Airways. This carry-on must weigh less than 50 lb and be no bigger than 19 inches x 9 inches x 17 inches. Going above these restrictions can mean additional charges, so check British Airways's baggage allowance guidelines before you begin packing.
Why fly with British Airways from PDX to SNN?
British Airways makes traveling from PDX to SNN more comfortable with an excellent in-flight experience and a 4-star airline rating. You even have the chance to collect points with British Airways Executive Club. Make sure you sign up to Expedia's free One Key™ rewards program to earn OneKeyCash™*, which can be redeemed on future trips.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.
Can I change or cancel my British Airways flight from Portland Intl. Airport (PDX) to Shannon Airport (SNN)?
It's usually possible to cancel or change your flight, although there may be additional fees if your booking was made more than 24 hours ago. Want to keep your options open? Make use of Expedia's "No cancel fee" or "Changes included" filter to find flights that won't penalize you if you have to alter your plans. To modify your booking, go to "Trips," select your flight and click on "Manage Booking" for further information.

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