Cheap flights from Shannon, Clare to Portland from €409

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 21/11. 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
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Find the cheapest flights from Shannon, Clare to Portland

Cheap return flights

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 - 16:45PDX-SNN
15h 00m1 stop
€795British 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 - 11:30PDX-SNN
38h 04m2 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 - 11:30PDX-SNN
38h 04m2 stops
€797American Airlines
Find Deal
Thu, 27 Nov - Mon, 1 Dec
United Airlines Logo
12:30 - 09:29SNN-PDX
28h 59m2 stops
United Airlines Logo
10:50 - 10:15PDX-SNN
15h 25m2 stops
€901United Airlines
Find Deal
Sun, 28 Sep - Thu, 2 Oct
Air Canada Logo
07:40 - 18:46SNN-PDX
19h 06m3 stops
Air Canada Logo
06:15 - 20:35PDX-SNN
30h 20m2 stops
€1,054Air Canada
Find Deal
Tue, 30 Sep - Sat, 4 Oct
Air Canada Logo
07:40 - 18:46SNN-PDX
19h 06m3 stops
Air Canada Logo
07:00 - 11:20PDX-SNN
20h 20m3 stops
€1,059Air Canada
Find Deal
Tue, 30 Sep - Sat, 4 Oct
United Airlines Logo
12:30 - 21:10SNN-PDX
16h 40m1 stop
United Airlines Logo
10:40 - 10:15PDX-SNN
15h 35m1 stop
€1,134United Airlines
Find Deal
Tue, 30 Sep - Sat, 4 Oct
 Logo
07:10 - 17:55SNN-PDX
18h 45m2 stops
 Logo
15:20 - 20:35PDX-SNN
21h 15m2 stops
€1,467
Find Deal
Sun, 28 Sep - Thu, 2 Oct
 Logo
07:40 - 18:46SNN-PDX
19h 06m3 stops
 Logo
06:15 - 20:35PDX-SNN
30h 20m2 stops
€3,123
Find Deal
Sun, 28 Sep - Thu, 2 Oct

Air Canada flights from Shannon, Clare to Portland

Our best Air Canada deals on Shannon, Clare to Portland flight tickets
Air Canada
30 Sept
SNN07:40Shannon
19h 06m
3 stops
PDX18:46Portland
4 Oct
PDX06:15Portland
30h 20m
2 stops
SNN20:35Shannon
€1,054
Find similar
Air Canada
30 Sept
SNN07:40Shannon
19h 06m
3 stops
PDX18:46Portland
4 Oct
PDX07:00Portland
20h 20m
3 stops
SNN11:20Shannon
€1,059
Find similar

United Airlines flights from Shannon, Clare to Portland

Our best United Airlines deals on Shannon, Clare to Portland flight tickets
United Airlines
28 Sept
SNN12:30Shannon
28h 59m
2 stops
PDX09:29Portland
2 Oct
PDX10:50Portland
15h 25m
2 stops
SNN10:15Shannon
United Airlines
30 Sept
SNN12:30Shannon
16h 40m
1 stop
PDX21:10Portland
4 Oct
PDX10:40Portland
15h 35m
1 stop
SNN10:15Shannon
€1,134
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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 14 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

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

17:45-16:45

1 stop15h 00m

€795

ShannonPortland

SNN - PDX

SNNPDX

Shannon

Thu 27/11

07:50-12:36

2 stops36h 46m

Portland

Mon 1/12

13:26-11:30

2 stops38h 04m

€797

ShannonPortland

SNN - PDX

SNNPDX

Shannon

Thu 27/11

07:50-12:36

2 stops36h 46m

Portland

Mon 1/12

13:26-11:30

2 stops38h 04m

€797

ShannonPortland

SNN - PDX

SNNPDX

Shannon

Sun 28/9

12:30-09:29

2 stops28h 59m

Portland

Thu 2/10

10:50-10:15

2 stops15h 25m

€901

ShannonPortland

SNN - PDX

SNNPDX

Shannon

Tue 30/9

07:40-18:46

3 stops19h 06m

Portland

Sat 4/10

06:15-20:35

2 stops30h 20m

€1,054

ShannonPortland

SNN - PDX

SNNPDX

Shannon

Tue 30/9

07:40-18:46

3 stops19h 06m

Portland

Sat 4/10

07:00-11:20

3 stops20h 20m

€1,059

ShannonPortland

SNN - PDX

SNNPDX

Shannon

Tue 30/9

12:30-21:10

1 stop16h 40m

Portland

Sat 4/10

10:40-10:15

1 stop15h 35m

€1,134

ShannonPortland

SNN - PDX

SNNPDX

Shannon

Sun 28/9

07:10-17:55

2 stops18h 45m

Portland

Thu 2/10

15:20-20:35

2 stops21h 15m

€1,467

ShannonPortland

SNN - PDX

SNNPDX

Shannon

Sun 28/9

07:40-18:46

3 stops19h 06m

Portland

Thu 2/10

06:15-20:35

2 stops30h 20m

€3,123

Flights are sorted by cheapest return flights first.

Showing 1-10 of 15 resultsSorted by cheapest first
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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 16h 40m.

  • 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.

  • How do I get Price Alerts for flights from Shannon, Clare to Portland?

    Search flight deals from Shannon, Clare to Portland. While viewing offers you’ll have the option to create a Price Alert.

  • How can I save money on flights from Shannon, Clare to Portland with momondo?

    Plan your trips smart with the “Price Forecast” feature, which uses flight data to help you pick the best days to fly for the lowest fares. Our “Price Calendar” helps you get the most for your money by showing you when it’s most advantageous to fly. Curate your own travel experiences for less with “Explore”. Expert travel hacks to fuel your next adventure are a click away with “Discover” by momondo. Set up our “Price Alerts” to track fare changes and book when prices are at their lowest point.

  • How does momondo find its flight prices?

    We show prices from over 700+ competitors with a single click. With options from airlines and OTAs from across our 30 international markets, we are able to show you a diverse range of deals to create your adventure.

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.

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1 adult
Tue 14/10
Tue 21/10

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