When did momondo last update prices for flights from Shannon Airport to Portland Airport?

Prices for flights from Shannon Airport to Portland Airport are updated daily.

How old do you have to be to fly from Shannon Airport to Portland Airport?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Shannon Airport to Portland Airport.

What documentation or ID do you need to fly to Portland Airport?

The travel and health documents required for your trip to Portland Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Portland Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$510 Cheap Flights from Shannon to Portland in 2026

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0 bags

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Find the cheapest flights from Shannon, Clare to Portland

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

12:30 pm - 9:06 pm

SNN

PDX

16h 36m

1 stop

5:30 am - 10:15 am

PDX

SNN

20h 45m

2 stops

$928United Airlines

Fri, May 1 - Tue, May 5

12:30 pm - 9:06 pm

SNN

PDX

16h 36m

1 stop

5:30 am - 10:15 am

PDX

SNN

20h 45m

3 stops

$932United Airlines

Fri, May 1 - Tue, May 5

12:30 pm - 9:06 pm

SNN

PDX

16h 36m

1 stop

7:15 am - 10:15 am

PDX

SNN

19h 00m

2 stops

$935United Airlines

Fri, May 1 - Tue, May 5

7:30 am - 5:40 pm

SNN

PDX

18h 10m

1 stop

7:30 pm - 4:10 pm

PDX

SNN

12h 40m

1 stop

$1,366American Airlines

Fri, May 1 - Tue, May 5

7:30 am - 5:40 pm

SNN

PDX

18h 10m

1 stop

7:30 pm - 4:10 pm

PDX

SNN

12h 40m

1 stop

$1,370American Airlines

Fri, May 1 - Tue, May 5

7:30 am - 5:40 pm

SNN

PDX

18h 10m

1 stop

7:30 pm - 4:10 pm

PDX

SNN

12h 40m

1 stop

$1,414American Airlines

Fri, May 1 - Tue, May 5

United Airlines flights from Shannon, Clare to Portland

Our best United Airlines deals on Shannon, Clare to Portland flight tickets

United Airlines

May 1

SNN12:30 pmShannon

16h 36m

1 stop

PDX9:06 pmPortland

May 5

PDX5:30 amPortland

20h 45m

2 stops

SNN10:15 amShannon

$928

United Airlines

May 1

SNN12:30 pmShannon

16h 36m

1 stop

PDX9:06 pmPortland

May 5

PDX5:30 amPortland

20h 45m

3 stops

SNN10:15 amShannon

$932

United Airlines

May 1

SNN12:30 pmShannon

16h 36m

1 stop

PDX9:06 pmPortland

May 5

PDX7:15 amPortland

19h 00m

2 stops

SNN10:15 amShannon

$935

American Airlines flights from Shannon, Clare to Portland

Our best American Airlines deals on Shannon, Clare to Portland flight tickets

American Airlines

May 1

SNN7:30 amShannon

18h 10m

1 stop

PDX5:40 pmPortland

May 5

PDX7:30 pmPortland

12h 40m

1 stop

SNN4:10 pmShannon

$1,366

American Airlines

May 1

SNN7:30 amShannon

18h 10m

1 stop

PDX5:40 pmPortland

May 5

PDX7:30 pmPortland

12h 40m

1 stop

SNN4:10 pmShannon

$1,370

American Airlines

May 1

SNN7:30 amShannon

18h 10m

1 stop

PDX5:40 pmPortland

May 5

PDX7:30 pmPortland

12h 40m

1 stop

SNN4:10 pmShannon

$1,414

Fly from

Fly to

Route

Depart

Return

Price

ShannonPortland

SNN - PDX

SNNPDX

Shannon

Fri 5/1

12:30 pm-9:06 pm

1 stop16h 36m

Portland

Tue 5/5

5:30 am-10:15 am

2 stops20h 45m

$928

ShannonPortland

SNN - PDX

SNNPDX

Shannon

Fri 5/1

12:30 pm-9:06 pm

1 stop16h 36m

Portland

Tue 5/5

5:30 am-10:15 am

3 stops20h 45m

$932

ShannonPortland

SNN - PDX

SNNPDX

Shannon

Fri 5/1

12:30 pm-9:06 pm

1 stop16h 36m

Portland

Tue 5/5

7:15 am-10:15 am

2 stops19h 00m

$935

ShannonPortland

SNN - PDX

SNNPDX

Shannon

Fri 5/1

7:30 am-5:40 pm

1 stop18h 10m

Portland

Tue 5/5

7:30 pm-4:10 pm

1 stop12h 40m

$1,366

ShannonPortland

SNN - PDX

SNNPDX

Shannon

Fri 5/1

7:30 am-5:40 pm

1 stop18h 10m

Portland

Tue 5/5

7:30 pm-4:10 pm

1 stop12h 40m

$1,370

ShannonPortland

SNN - PDX

SNNPDX

Shannon

Fri 5/1

7:30 am-5:40 pm

1 stop18h 10m

Portland

Tue 5/5

7:30 pm-4:10 pm

1 stop12h 40m

$1,414

ShannonPortland

SNN - PDX

SNNPDX

Shannon

Thu 5/28

12:10 pm-9:32 am

3 stops53h 22m

$480

ShannonPortland

SNN - PDX

SNNPDX

Shannon

Tue 5/26

12:45 pm-9:32 am

3 stops52h 47m

$510

ShannonPortland

SNN - PDX

SNNPDX

Shannon

Sun 5/3

9:15 pm-5:40 pm

1 stop28h 25m

$541

ShannonPortland

SNN - PDX

SNNPDX

Shannon

Tue 5/26

6:10 pm-8:49 pm

2 stops58h 39m

$545

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 resultsSorted by cheapest first

How to get the cheapest flight ticket from Shannon, Clare to Portland

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from Shannon to Portland?

Aer Lingus is the most popular carrier operating from Shannon to Portland

When to book flights from Shannon, Clare to Portland

Are you open to changing your travel dates? Check out the ideal times to fly from Shannon, Clare to Portland according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Shannon, Clare to Portland (SNN to PDX) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Shannon, Clare to Portland

Fastest flight time	20h 29m
Direct flights	None

The fastest flight from Shannon, Clare to Portland takes 20h 29m

There are no direct flights from Shannon, Clare to Portland. There are no popular flight routes from Shannon, Clare to Portland.

Search flight deals

How far is Shannon to Portland by plane?
Portland is 4602.4 mi away from Shannon. By plane, this route typically takes 20h 29m.
When did momondo last update prices for flights from Shannon Airport to Portland Airport?
Prices for flights from Shannon Airport to Portland Airport are updated daily.
How old do you have to be to fly from Shannon Airport to Portland Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Shannon Airport to Portland Airport.
What documentation or ID do you need to fly to Portland Airport?
The travel and health documents required for your trip to Portland Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Portland Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

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Why use momondo?

Why should I use momondo to find a flight deal from Shannon to Portland?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Portland from Shannon.

Can I find flights from Shannon to Portland with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Shannon to Portland flights to just show those with flexible booking policies.

How can momondo help me find flights from Shannon to Portland?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Shannon to Portland.

I’m not ready to book a flight from Shannon to Portland right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Portland, momondo offers a useful price alert feature which will track prices for flights to Portland from Shannon and alert you when they change.