Latest deals
When to book
FAQs
Price Alerts

Cheap flights from Portland, Maine to Shannon from €460

This is the cheapest return flight price found by a momondo user in the last 72 hours by searching for a flight from Portland, Maine to Shannon departing on 12/8. 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.
Search flight deals

Find the cheapest flights from Portland, Maine to Shannon

Cheap return flights

United Airlines Logo
06:10 - 07:30PWM-SNN
20h 20m1 stop
United Airlines Logo
09:30 - 21:59SNN-PWM
17h 29m1 stop
€460United Airlines
Find Deal
Tue, 12 Aug - Wed, 20 Aug
United Airlines Logo
10:05 - 07:30PWM-SNN
16h 25m2 stops
United Airlines Logo
09:30 - 17:42SNN-PWM
13h 12m1 stop
€464United Airlines
Find Deal
Tue, 12 Aug - Wed, 20 Aug
KLM Logo
14:36 - 11:10PWM-SNN
15h 34m1 stop
KLM Logo
13:05 - 00:48SNN-PWM
16h 43m1 stop
€503KLM
Find Deal
Wed, 20 Aug - Mon, 25 Aug
United Airlines Logo
18:41 - 10:15PWM-SNN
10h 34m1 stop
United Airlines Logo
09:30 - 23:03SNN-PWM
18h 33m2 stops
€507United Airlines
Find Deal
Wed, 20 Aug - Mon, 25 Aug
United Airlines Logo
18:41 - 10:15PWM-SNN
10h 34m1 stop
United Airlines Logo
09:30 - 23:03SNN-PWM
18h 33m2 stops
€507United Airlines
Find Deal
Wed, 20 Aug - Mon, 25 Aug
American Airlines Logo
13:06 - 16:45PWM-SNN
22h 39m2 stops
American Airlines Logo
07:50 - 22:28SNN-PWM
19h 38m2 stops
€686American Airlines
Find Deal
Wed, 12 Nov - Sun, 16 Nov
American Airlines Logo
05:40 - 05:55PWM-SNN
19h 15m2 stops
American Airlines Logo
14:00 - 23:48SNN-PWM
38h 48m2 stops
€689American Airlines
Find Deal
Wed, 12 Nov - Sun, 16 Nov
Delta Logo
12:53 - 11:10PWM-SNN
17h 17m2 stops
Delta Logo
13:05 - 12:08SNN-PWM
28h 03m2 stops
€716Delta
Find Deal
Wed, 20 Aug - Mon, 25 Aug
Air Canada Logo
15:50 - 16:10PWM-SNN
19h 20m3 stops
Air Canada Logo
07:40 - 23:03SNN-PWM
20h 23m3 stops
€1,256Air Canada
Find Deal
Tue, 12 Aug - Wed, 20 Aug
Air Canada Logo
15:50 - 16:10PWM-SNN
19h 20m3 stops
Air Canada Logo
07:40 - 23:03SNN-PWM
20h 23m3 stops
€1,314Air Canada
Find Deal
Tue, 12 Aug - Wed, 20 Aug

American Airlines flights from Portland, Maine to Shannon, Clare

Our best American Airlines deals on Portland, Maine to Shannon, Clare flight tickets
American Airlines
12 Nov
PWM13:06Portland
22h 39m
2 stops
SNN16:45Shannon
16 Nov
SNN07:50Shannon
19h 38m
2 stops
PWM22:28Portland
€686
Find similar
American Airlines
12 Nov
PWM05:40Portland
19h 15m
2 stops
SNN05:55Shannon
16 Nov
SNN14:00Shannon
38h 48m
2 stops
PWM23:48Portland
€689
Find similar
American Airlines
20 Aug
PWM16:10Portland
19h 00m
2 stops
SNN16:10Shannon
25 Aug
SNN07:40Shannon
20h 19m
2 stops
PWM22:59Portland
€697
Find similar

United Airlines flights from Portland, Maine to Shannon, Clare

Our best United Airlines deals on Portland, Maine to Shannon, Clare flight tickets
United Airlines
12 Aug
PWM06:10Portland
20h 20m
1 stop
SNN07:30Shannon
20 Aug
SNN09:30Shannon
17h 29m
1 stop
PWM21:59Portland
€460
Find similar
United Airlines
12 Aug
PWM10:05Portland
16h 25m
2 stops
SNN07:30Shannon
20 Aug
SNN09:30Shannon
13h 12m
1 stop
PWM17:42Portland
€464
Find similar
United Airlines
20 Aug
PWM18:41Portland
10h 34m
1 stop
SNN10:15Shannon
25 Aug
SNN09:30Shannon
18h 33m
2 stops
PWM23:03Portland
€507
Find similar

When to book flights from Portland, Maine to Shannon, Clare

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

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

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

Best price found

€460

Fastest flight time

10h 34m

Direct flights

None

Airports in Shannon, Clare

1 airport
The best flight deal from Portland, Maine to Shannon, Clare found on momondo in the last 72 hours is €460
The fastest flight from Portland, Maine to Shannon, Clare takes 10h 34m
There are no direct flights from Portland, Maine to Shannon, Clare. Popular non-direct route for this connection is Portland Airport - Shannon Airport.
There is 1 airport near Shannon, Clare: Shannon (SNN)
Search flight deals

  • How far is Portland to Shannon by plane?

    The distance between Portland and Shannon is about 4512.9 km. 10h 34m is a normal flight duration for this route.

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

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

  • How old do you have to be to fly from Portland Airport to Shannon 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 stopovers. It is recommended that you verify with the airline you are booking with for travel from Portland Airport to Shannon Airport.

  • What documentation or ID do you need to fly to Shannon Airport?

    The travel and health documents you'll need for your trip to Shannon Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's licence and a passport that is valid for six months after your intended arrival at Shannon Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

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

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

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

    By using tools like our “Price Calendar”, you can see the best days for return flights on your travels. Our “Price Forecast” tool uses AI to predict whether you should purchase or hold off on booking for potentially cheaper prices. Explore shows you all flight options from a city or airport to build your own unique adventure. The Discover blog also provides valuable insights for saving money while booking your experience. After searching you can toggle on “Price Alerts” to track prices for your desired flight and book at the ideal moment.

  • 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.

Travelling to a place near Shannon?

Book flights to Shannon if you plan to visit one of these locations
Limerick
Ennis
Killaloe
Tipperary
Adare
Nenagh
Lahinch

Why use momondo?

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

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 Shannon from Portland.

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

Flights from Portland to Shannon with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Shannon from Portland.

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

Of course. momondo tracks the price of Portland to Shannon flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

An easier way to manage your Shannon, Clare 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.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Mon 21/7
Mon 28/7
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Ireland