Cheap flights from Shannon, Clare to Portland from €371

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Shannon, Clare to Portland departing on 8/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags
Voted the Winner of Europe's Best Travel App 2023

Save money when you book flights with momondo

Big names, great deals

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.

Find the cheapest flights from Shannon, Clare to Portland

Cheap return flights

United Airlines Logo
12:30 - 22:25SNN-PDX
17h 55m2 stops
United Airlines Logo
10:51 - 07:30PDX-SNN
12h 39m1 stop
€760United Airlines
Find Deal
Wed, 17 Sep - Sun, 21 Sep
British Airways Logo
17:30 - 15:55SNN-PDX
30h 25m1 stop
British Airways Logo
17:45 - 11:30PDX-SNN
33h 45m1 stop
€794British Airways
Find Deal
Thu, 27 Nov - Mon, 1 Dec
British Airways Logo
20:05 - 15:55SNN-PDX
27h 50m1 stop
British Airways Logo
17:45 - 19:25PDX-SNN
17h 40m1 stop
€796British Airways
Find Deal
Thu, 27 Nov - Mon, 1 Dec
American Airlines Logo
07:50 - 12:36SNN-PDX
36h 46m2 stops
American Airlines Logo
13:26 - 16:45PDX-SNN
43h 19m2 stops
€797American Airlines
Find Deal
Thu, 27 Nov - Mon, 1 Dec
American Airlines Logo
07:50 - 12:36SNN-PDX
36h 46m2 stops
American Airlines Logo
13:26 - 16:45PDX-SNN
43h 19m2 stops
€798American Airlines
Find Deal
Thu, 27 Nov - Mon, 1 Dec
American Airlines Logo
14:45 - 12:36SNN-PDX
29h 51m2 stops
American Airlines Logo
13:26 - 11:30PDX-SNN
38h 04m2 stops
€799American Airlines
Find Deal
Thu, 27 Nov - Mon, 1 Dec
American Airlines Logo
07:50 - 12:36SNN-PDX
36h 46m2 stops
American Airlines Logo
17:45 - 16:45PDX-SNN
15h 00m1 stop
€817American Airlines
Find Deal
Thu, 27 Nov - Mon, 1 Dec
American Airlines Logo
14:45 - 12:36SNN-PDX
29h 51m2 stops
American Airlines Logo
17:45 - 16:45PDX-SNN
15h 00m1 stop
€819American Airlines
Find Deal
Thu, 27 Nov - Mon, 1 Dec
American Airlines Logo
07:50 - 12:36SNN-PDX
36h 46m2 stops
American Airlines Logo
00:59 - 06:20PDX-SNN
21h 21m2 stops
€855American Airlines
Find Deal
Thu, 27 Nov - Sun, 30 Nov
Air Canada Logo
07:40 - 18:46SNN-PDX
19h 06m3 stops
Air Canada Logo
06:15 - 20:35PDX-SNN
30h 20m2 stops
€1,125Air Canada
Find Deal
Wed, 17 Sep - Sun, 21 Sep

British Airways flights from Shannon, Clare to Portland

Our best British Airways deals on Shannon, Clare to Portland flight tickets
British Airways
27 Nov
SNN17:30Shannon
30h 25m
1 stop
PDX15:55Portland
1 Dec
PDX17:45Portland
33h 45m
1 stop
SNN11:30Shannon
British Airways
27 Nov
SNN20:05Shannon
27h 50m
1 stop
PDX15:55Portland
1 Dec
PDX17:45Portland
17h 40m
1 stop
SNN19:25Shannon

American Airlines flights from Shannon, Clare to Portland

Our best American Airlines deals on Shannon, Clare to Portland flight tickets
American Airlines
27 Nov
SNN07:50Shannon
36h 46m
2 stops
PDX12:36Portland
1 Dec
PDX13:26Portland
43h 19m
2 stops
SNN16:45Shannon
American Airlines
27 Nov
SNN07:50Shannon
36h 46m
2 stops
PDX12:36Portland
1 Dec
PDX13:26Portland
43h 19m
2 stops
SNN16:45Shannon
American Airlines
27 Nov
SNN14:45Shannon
29h 51m
2 stops
PDX12:36Portland
1 Dec
PDX13:26Portland
38h 04m
2 stops
SNN11:30Shannon

momondo Fare Finder

 
Customise your flight search to find flights from Shannon, Clare to Portland 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, momondo users made 13,528 searches. Data last updated 2 September 2025.
Use the filters below to find and compare flights from Shannon, Clare to Portland that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

ShannonPortland

SNN - PDX

SNNPDX

Shannon

Wed 17/9

12:30-22:25

2 stops17h 55m

Portland

Sun 21/9

10:51-07:30

1 stop12h 39m

€760

ShannonPortland

SNN - PDX

SNNPDX

Shannon

Thu 27/11

17:30-15:55

1 stop30h 25m

Portland

Mon 1/12

17:45-11:30

1 stop33h 45m

€794

ShannonPortland

SNN - PDX

SNNPDX

Shannon

Thu 27/11

20:05-15:55

1 stop27h 50m

Portland

Mon 1/12

17:45-19:25

1 stop17h 40m

€796

ShannonPortland

SNN - PDX

SNNPDX

Shannon

Thu 27/11

07:50-12:36

2 stops36h 46m

Portland

Mon 1/12

13:26-16:45

2 stops43h 19m

€797

ShannonPortland

SNN - PDX

SNNPDX

Shannon

Thu 27/11

07:50-12:36

2 stops36h 46m

Portland

Mon 1/12

13:26-16:45

2 stops43h 19m

€798

ShannonPortland

SNN - PDX

SNNPDX

Shannon

Thu 27/11

14:45-12:36

2 stops29h 51m

Portland

Mon 1/12

13:26-11:30

2 stops38h 04m

€799

ShannonPortland

SNN - PDX

SNNPDX

Shannon

Thu 27/11

07:50-12:36

2 stops36h 46m

Portland

Mon 1/12

17:45-16:45

1 stop15h 00m

€817

ShannonPortland

SNN - PDX

SNNPDX

Shannon

Thu 27/11

14:45-12:36

2 stops29h 51m

Portland

Mon 1/12

17:45-16:45

1 stop15h 00m

€819

ShannonPortland

SNN - PDX

SNNPDX

Shannon

Thu 27/11

07:50-12:36

2 stops36h 46m

Portland

Sun 30/11

00:59-06:20

2 stops21h 21m

€855

ShannonPortland

SNN - PDX

SNNPDX

Shannon

Wed 17/9

07:40-18:46

3 stops19h 06m

Portland

Sun 21/9

06:15-20:35

2 stops30h 20m

€1,124

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Portland from

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?

American Airlines 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 return 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

Direct flights

None
There are no direct flights from Shannon, Clare to Portland. There are no popular flight routes from Shannon, Clare to Portland.
  • How far is Shannon to Portland by plane?

    The straight-line distance from Shannon to Portland is 7406.8 km. By plane, this route typically takes 17h 55m.

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

    Prices for flights from Shannon Airport to Portland Airport were last updated today.

  • 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 that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and stopovers are among the considerations that may influence age limits. We recommend that you double-check 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 licence, 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.

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?

All flight searches from Shannon to Portland on momondo can be filtered to show those which offer flexible booking policies.

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

Once all potential Shannon to Portland flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Yes. momondo can track prices for Shannon to Portland flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

An easier way to manage your Portland trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sun 7/9
Sun 14/9

Find better results for your trip to the United States

Fly your favourite airline to Portland

Airlines are sorted and displayed according to clicks in the past 7 days on momondo