Cheap flights from Portland to Shannon, Clare from $535
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Portland to Shannon, Clare departing on 4/24. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Discover deals from 900+ travel sites with momondo.
Save money when you book flights with momondo
Big names and deals
Big names and deals
Search 100s of travel sites to compare prices.Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customize 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 Portland to Shannon
Cheap round-trip flights
Cheap one-way flights
Delta flights from Portland to Shannon, Clare
Our best Delta deals on Portland to Shannon, Clare flight tickets
Air France flights from Portland to Shannon, Clare
Our best Air France deals on Portland to Shannon, Clare flight tickets
See travel insights to Shannon from
How to get the cheapest flight ticket from Portland to Shannon, Clare
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 typical price of a round-trip flight between Portland and Shannon, Clare?
What is the cheapest day to depart on your flight to Shannon, Clare?
The cheapest day to depart from Portland to Shannon, Clare is on a Wednesday when prices can be found for as low as $623. The most expensive day to fly to Shannon, Clare is Friday, with ticket prices averaging around $1,029.
What is the cheapest time of day to depart on your flight to Shannon, Clare?
Our data shows that the cheapest Portland to Shannon, Clare flights are usually those with departure times at noon. Our users have found flights to Shannon, Clare at noon for as low as $554. Flights in the evening are often more expensive with an average ticket price of $924.
What is the cheapest airline that flies from Portland to Shannon?
United Airlines is the most popular carrier operating from Portland to Shannon
What airlines fly to Shannon, Clare?
United Airlines, American Airlines and Delta are the top three most popular airlines that fly to Shannon, Clare from Portland according to our data. United Airlines is the first choice among our users, with 47% of people opting to fly with this airline when traveling to Shannon, Clare. Keep in mind that there are 5 different airlines that fly to Shannon, Clare on a routine basis, so you have a few additional options to choose from.
When to book flights from Portland to Shannon, Clare
Cheap Portland to Shannon, Clare (PDX to SNN) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Portland to Shannon, Clare
How far is Portland to Shannon by plane?
Portland and Shannon are 4602.4 mi apart from one another. In terms of flight time, this usually takes a little over 13h 45m.
When did momondo last update prices for flights from Portland Airport to Shannon Airport?
Prices for flights from Portland Airport to Shannon Airport are updated daily.
How many operators does momondo search for flights from Portland Airport to Shannon Airport?
As of April 2025, there are 3 operators available to choose from for flights from Portland Airport to Shannon Airport.
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 that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers 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 Portland Airport to Shannon Airport.
What documentation or ID do you need to fly to Shannon Airport?
The travel and health documents required for your trip to Shannon 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 Shannon Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular airline from Portland to Shannon, Clare?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Portland to Shannon, Clare is United Airlines (73% of total bookings). The next most popular airlines are American Airlines (13%) and Delta (13%).
Best airlines flying from Portland to Shannon, Clare
Compare and see reviews for airlines that fly from Portland to Shannon, Clare with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $453 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $548 | Free Cancellation | Rating 8.0 7,897 reviews | |||
| PriceFrom $577 | Free Cancellation | Rating 7.4 8,616 reviews |
Traveling to a place near Shannon?
Book flights to Shannon if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from Portland to Shannon?
momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Portland to Shannon. momondo saves you time and could save you money on your trip.
Can I find flights from Portland to Shannon with flexible booking policies on momondo?
All flight searches from Portland to Shannon on momondo can be filtered to show those which offer flexible booking policies.
How can momondo help me find flights from Portland to Shannon?
Once all potential Portland to Shannon 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 Portland to Shannon right now. Can momondo alert me if prices change?
If you are simply researching potential flights to Shannon, momondo offers a useful price alert feature which will track prices for flights to Shannon from Portland and alert you when they change.