Which airports can I use when flying from Portland to Shannon?

Flights from Portland to Shannon usually depart from Portland (PWM) and arrive at Shannon (SNN).

What cabin classes can I book on flights from Portland to Shannon?

Only Economy Class is available on flights from Portland to Shannon.

Which airports do connecting flights from Portland to Shannon pass through?

Connecting flights from Portland to Shannon most commonly pass through: • Newark (EWR) - 93% of one-stop connections • New York John F Kennedy Intl (JFK) - 7% of one-stop connections Together, these airports account for 100% of one-stop bookings on this route.

Can I save money by using flexible dates for flights from Portland to Shannon?

Yes. Being flexible with your travel dates can save you up to 41% on the Portland to Shannon route. Tuesday is the cheapest departure day at $651 round-trip on average, while Saturday is the most expensive at $1,087, a difference of $436. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

How long is a flight from Portland to Shannon?

A nonstop flight from Portland to Shannon takes 0h 00m, covering 2,805 miles.

Do I need a passport to fly from Portland to Shannon?

Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

Have flight prices from Portland to Shannon changed much recently?

Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $744 to $1,642. That means the highest observed fare was about 2x higher than the lowest one.

How much time can I save by choosing a different layover airport from Portland to Shannon?

Flying via Newark (EWR) gives the shortest average 1-stop total travel time at 10h 19m, compared with 15h 44m via New York John F Kennedy Intl (JFK).

What is the time difference between Portland and Shannon?

Shannon is 5 hours ahead of Portland (Irish Time vs Eastern Time). Plan for the time shift when scheduling connections or first-day activities.

What car rental options are available at Shannon Airport (SNN)?

Shannon Airport (SNN) hosts 5 major car rental companies, with daily rates starting from around $4 for economy cars. Top options include: · Budget · Sixt · Europcar · Thrifty · Easirent

How much should I expect to pay for a Portland to Shannon flight?

Round-trip flights from Portland to Shannon range from $651 to $1,034, with an average of $956 over the past 12 months. Anything below $651 counts as a good deal.

What is the cheapest airline to fly from Portland to Shannon?

United Airlines ($744) and Air Canada ($1,632) are the cheapest airlines to fly round-trip from Portland to Shannon according to KAYAK data over the last 5 days.

What is the most popular layover airport when flying from Portland to Shannon?

Newark (EWR) is the most popular layover for the Portland to Shannon route. 93% of KAYAK users who booked 1-stop round-trips over the past 3 months connected via EWR.

What is the cheapest layover airport when flying from Portland to Shannon?

Flights via New York John F Kennedy Intl (JFK) offer the most affordable fares, with an average round-trip price of $487. Based on KAYAK data over the past 3 months.

When flying from Portland to Shannon which airport offers the shortest layover?

Newark (EWR) had the shortest average connection time for Portland to Shannon layovers at 347 minutes over the past 3 months.

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Cheapest round-trip

$744

Typical prices: $651-$1,034

United Airlines

Mon 10/8Sun 10/14

PWM - SNN • 1 stop

Nonstop flights

Not available

There are currently no direct flights between Portland and Shannon. You'll need to take a connecting flight to reach the destination.

Insights

Top layover airports

New York John F Kennedy Intl (JFK)

Cheapest • Avg $487 (round-trip)

Newark (EWR)

Shortest trip • 10h 19m (one-way)

Insights

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Flight Deals

Cheap Flights from Portland to Shannon (PWM-SNN)

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Last minute

Recent round-trip flight deals from Portland to Shannon

Thu, Oct 8 - Wed, Oct 14

6:00 am - 10:15 amPWM Portland-SNN Shannon

23h 15m1 stop Newark

12:30 pm - 11:28 pmSNN Shannon-PWM Portland

15h 58m1 stop Newark

$744United Airlines

Thu, Oct 8 - Wed, Oct 14

6:00 am - 10:15 amPWM Portland-SNN Shannon

23h 15m1 stop Newark

12:30 pm - 11:59 pmSNN Shannon-PWM Portland

40h 29m2 stops Newark Washington, D.C. Dulles Intl

$754United Airlines

Thu, Oct 8 - Wed, Oct 14

5:15 am - 10:15 amPWM Portland-SNN Shannon

24h 00m2 stops Washington, D.C. Dulles Intl Newark

12:30 pm - 8:22 pmSNN Shannon-PWM Portland

12h 52m1 stop Newark

$754United Airlines

Thu, Oct 8 - Wed, Oct 14

5:15 am - 10:15 amPWM Portland-SNN Shannon

24h 00m2 stops Washington, D.C. Dulles Intl Newark

12:30 pm - 11:59 pmSNN Shannon-PWM Portland

40h 29m2 stops Newark Washington, D.C. Dulles Intl

$760United Airlines

Thu, Oct 8 - Wed, Oct 14

5:15 am - 10:15 amPWM Portland-SNN Shannon

24h 00m2 stops Washington, D.C. Dulles Intl Newark

12:30 pm - 11:28 pmSNN Shannon-PWM Portland

15h 58m1 stop Newark

$809United Airlines

Thu, Oct 8 - Wed, Oct 14

3:41 pm - 4:10 pmPWM Portland-SNN Shannon

19h 29m3 stops Newark Toronto Pearson Intl London Heathrow

7:30 am - 11:28 pmSNN Shannon-PWM Portland

20h 58m3 stops London Heathrow Montreal Pierre Elliott Trudeau Intl Newark

$1,632Air Canada

Thu, Oct 8 - Wed, Oct 14

3:41 pm - 4:10 pmPWM Portland-SNN Shannon

19h 29m3 stops Newark Toronto Pearson Intl London Heathrow

7:30 am - 11:28 pmSNN Shannon-PWM Portland

20h 58m3 stops London Heathrow Toronto Pearson Intl Newark

$1,637Air Canada

Thu, Oct 8 - Wed, Oct 14

3:41 pm - 4:10 pmPWM Portland-SNN Shannon

19h 29m3 stops Newark Toronto Pearson Intl London Heathrow

7:30 am - 11:28 pmSNN Shannon-PWM Portland

20h 58m3 stops London Heathrow Montreal Pierre Elliott Trudeau Intl Newark

$1,642Air Canada

Booking Insights

Price, demand and travel trends for Portland to Shannon flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights from Portland to Shannon with more confidence.

Prices

Airlines

Layovers

How much is a round-trip flight from Portland to Shannon?

Round-trip flights from Portland to Shannon start at $744. Prices are typical for this route right now, with typical round-trip fares ranging from $651 to $1,034. The lowest price found in the past 5 days was $744 on United Airlines.

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Cheapest flight	$501

Flight from Portland to Shannon

When to book flights from Portland to Shannon

Are your dates flexible? Find out the best times to travel from Portland to Shannon based on our flight data from the last year. Discover the cheapest month and even day to fly.

Estimated round-trip price

KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

Which airports can I use when flying from Portland to Shannon?
Flights from Portland to Shannon usually depart from Portland (PWM) and arrive at Shannon (SNN).
What cabin classes can I book on flights from Portland to Shannon?
Only Economy Class is available on flights from Portland to Shannon.
Which airports do connecting flights from Portland to Shannon pass through?
Connecting flights from Portland to Shannon most commonly pass through:

• Newark (EWR) - 93% of one-stop connections
• New York John F Kennedy Intl (JFK) - 7% of one-stop connections
Together, these airports account for 100% of one-stop bookings on this route.
Can I save money by using flexible dates for flights from Portland to Shannon?
Yes. Being flexible with your travel dates can save you up to 41% on the Portland to Shannon route. Tuesday is the cheapest departure day at $651 round-trip on average, while Saturday is the most expensive at $1,087, a difference of $436. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.
How long is a flight from Portland to Shannon?
A nonstop flight from Portland to Shannon takes 0h 00m, covering 2,805 miles.
Do I need a passport to fly from Portland to Shannon?
Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.
Have flight prices from Portland to Shannon changed much recently?
Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $744 to $1,642. That means the highest observed fare was about 2x higher than the lowest one.
How much time can I save by choosing a different layover airport from Portland to Shannon?
Flying via Newark (EWR) gives the shortest average 1-stop total travel time at 10h 19m, compared with 15h 44m via New York John F Kennedy Intl (JFK).
What is the time difference between Portland and Shannon?
Shannon is 5 hours ahead of Portland (Irish Time vs Eastern Time). Plan for the time shift when scheduling connections or first-day activities.
What car rental options are available at Shannon Airport (SNN)?
Shannon Airport (SNN) hosts 5 major car rental companies, with daily rates starting from around $4 for economy cars. Top options include:
· Budget
· Sixt
· Europcar
· Thrifty
· Easirent
How much should I expect to pay for a Portland to Shannon flight?
Round-trip flights from Portland to Shannon range from $651 to $1,034, with an average of $956 over the past 12 months. Anything below $651 counts as a good deal.

If your dates can be flexible, aim for a Tuesday departure instead of Saturday. On this route, Tuesday flights average $651 - about $436 less than Saturday (40% savings) based on the last 12 months.
If you're arriving late at night and need somewhere to stay, check out these hotels close to Shannon Airport.
- Park Inn by Radisson Shannon Airport
- Treacys Oakwood Hotel
- Carrygerry Country House

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PWM - SNN

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Everything you should know

Cheap Flights from Portland to Shannon (PWM-SNN)

Recent round-trip flight deals from Portland to Shannon

Recent one-way flight deals from Portland to Shannon

Recent last minute flight deals from Portland to Shannon

Price, demand and travel trends for Portland to Shannon flights

How much is a round-trip flight from Portland to Shannon?

What is the cheapest airline to fly from Portland to Shannon?

What is the most popular layover airport when flying from Portland to Shannon?

What is the cheapest layover airport when flying from Portland to Shannon?

When flying from Portland to Shannon which airport offers the shortest layover?

Key details for Portland to Shannon flights

Cheapest flight

When to book flights from Portland to Shannon

Your Portland to Shannon flight questions, answered

Your guide to booking Portland to Shannon flights

More options for your flight from Portland to Shannon

Complete your trip to Shannon with a hotel stay or car rental

Information on your arrival and departure airports

Cabin class types available on flights from Portland to Shannon

Find direct flights to and from Portland and Shannon

Flights from domestic origins to Shannon

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