Cheap flights from Portland (PDX) to Shannon (SNN) from $1,220

This is the cheapest one-way flight price, found on 9/20. Prices may vary by date and flight preferences.
PDX — SNN
Sep 26 — Oct 31

How to find the cheapest flight from Portland (PDX) to Shannon (SNN)

All the information you need to plan the best PDX to SNN flight in 2023: compare Portland to Shannon flight prices with the expected peak season, weather and rainfall in Shannon.

Popular in

December

Cheapest in

February

Average price

$939

Round-trip from

$531
High demand for flights, 36% potential price rise
Best time to find cheap flights, 33% potential price drop
Average for round-trip flights in September 2023
From Portland to Shannon

PDX - SNN

Price

$531 - $1,275

SNN

Temperature

42.8 - 60.8 °F

SNN

Rainfall

2.3 - 4.1 inches

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 79% 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, February can be a great choice for travel to Shannon. Flights to Shannon from Portland in February are about $1,063 on average during February, but can be found for as low as $698.

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 16% on the cost of your flight, compared to a flight in the morning.

Cheap Portland to Shannon flights in September & October 2023

The best prices found for PDX to SNN flights for September, October

Portland to Shannon 2023 flight deals

Cheap flights to Shannon from Portland found for this year

Find flights from Portland to Shannon within your budget

Use the slider to find flights from Portland to Shannon that fit your budget.

Fly from

Any airport

Fly to

Any airport

Budget

$1,220 - $1,466

Route

Depart

Return

Price

PortlandShannon

PDX - SNN

PDXSNN

Portland

Mon 10/23

1 stop14h 54m

Shannon

Sat 10/28

2 stops27h 26m

PortlandShannon

PDX - SNN

PDXSNN

Portland

Mon 10/23

1 stop13h 00m

Shannon

Sat 10/28

1 stop15h 46m

Flights are sorted by cheapest first

Deals found on 9/20

Reviews of airlines servicing Shannon

United Airlines
7.4
Good
1,890 reviews

Boarding

7.7

Food

6.7

Overall

7.4

Entertainment

7.0

Comfort

7.3

Crew

8.1

Reviews

1 / 10

Check in was a nightmare. They had 1 agent at check in taking care of the Economy Guest. There were 6 other agents helping Premier customers. Then that one agent went to ask for help from another agent for about 20 minutes. We almost missed our flight.

United Airlines
7.4
Good
1,890 reviews
United Airlines
7.4
Good
1,890 reviews

Boarding

7.7

Food

6.7

Overall

7.4

Entertainment

7.0

Comfort

7.3

Crew

8.1

Reviews

1 / 10

Check in was a nightmare. They had 1 agent at check in taking care of the Economy Guest. There were 6 other agents helping Premier customers. Then that one agent went to ask for help from another agent for about 20 minutes. We almost missed our flight.

Related info for your journey

Useful info, stats and facts about Portland to Shannon flights.

Can I find flights from Portland to Shannon for under $1,300 on Cheapflights?

Yes, there are multiple flights from Portland to Shannon for under $1,300. The cheapest flight booked recently is on United Airlines for just $1,220, but on average you can expect to pay $1,343.

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

Cheapflights users have booked flights from Portland to Shannon round-trip from $1,220.

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.

Top 4 airlines flying from Portland to Shannon

The chart below displays the airlines Cheapflights users traveling from Portland to Shannon choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$651Average$1,142FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
United AirlinesCheapest$686Average$1,089FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
British AirwaysCheapest$698Average$1,166FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Aer LingusCheapest$810Average$1,200FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
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