In terms of precipitation, rainfall in Galway ranges from 2.3 - 4.1 inches per month. October is typically the wettest month, when rainfall can reach 4.1 in. April is typically the driest time to visit Galway when rainfall is around 2.3 in.

If weather is an important factor for your trip to Galway, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 60.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 42.8 F).

What are the most popular airlines that fly from Portland to Galway?

United Airlines, American Airlines and Delta are the most popular airlines when flying from Portland to Galway.

What is the cheapest time of day to fly from PDX to G4W?

When flying from Portland to Galway, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

What airport do you fly from for flights from Portland to Galway?

Most people fly from Portland (PDX) if they book a flight from Portland to Galway. On average, Portland has 0 outbound flights to Galway per day from 3 airlines. Portland is conveniently located just 6.0 mi from Portland’s city center.

Can I find deals for flights from Portland to Galway that include hotel bookings?

Yes. In addition to deals on Portland to Galway flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Portland to Galway?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Portland to Galway.

Can I find deals for business class flights from Portland to Galway?

Yes. Cheapflights offers flight deals from Portland to Galway by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

Find Cheap Flights from Portland to Galway

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1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

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We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Reviews of airlines servicing Galway

Peruse reviews from past customers who have flown with Delta,United Airlines, andAmerican Airlines from Portland to Galway to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

7.8

Good

8,608 reviews

Reviews

1 / 20

4.0

Okay

Jennifer,Sep 2026

ORD - LGA

The flight crew was 30 minutes late to an am flight and then that caused a delay

Delta

7.8

Good

8,608 reviews

Delta

7.8

Good

8,608 reviews

Reviews

1 / 20

4.0

Okay

Jennifer,Sep 2026

ORD - LGA

The flight crew was 30 minutes late to an am flight and then that caused a delay

United Airlines

7.4

Good

10,248 reviews

Delta

7.8

Good

8,608 reviews

Reviews

1 / 20

4.0

Okay

Jennifer,Sep 2026

ORD - LGA

The flight crew was 30 minutes late to an am flight and then that caused a delay

American Airlines

7.0

Good

12,098 reviews

Delta

7.8

Good

8,608 reviews

Reviews

1 / 20

4.0

Okay

Jennifer,Sep 2026

ORD - LGA

The flight crew was 30 minutes late to an am flight and then that caused a delay

Related info for your journey

What airport do you fly from for flights from Portland to Galway?
Most people fly from Portland (PDX) if they book a flight from Portland to Galway. On average, Portland has 0 outbound flights to Galway per day from 3 airlines. Portland is conveniently located just 6.0 mi from Portland’s city center.
Can I find deals for flights from Portland to Galway that include hotel bookings?
Yes. In addition to deals on Portland to Galway flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Portland to Galway?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Portland to Galway.
Can I find deals for business class flights from Portland to Galway?
Yes. Cheapflights offers flight deals from Portland to Galway by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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Top 3 airlines flying from Portland to Galway

Airline	Cheapest	Average	Flexibility	On-time
American Airlines	Cheapest$480	Average$709	FlexibilityNo cancel fee	On-time71%
Delta	Cheapest$488	Average$497	FlexibilityNo cancel fee	On-timeN/A
United Airlines	Cheapest$608	Average$908	FlexibilityNo cancel fee	On-time69%

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Find cheap flights from Portland to Galway with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Reviews of airlines servicing Galway

Peruse reviews from past customers who have flown with Delta,United Airlines, andAmerican Airlines from Portland to Galway to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

What airport do you fly from for flights from Portland to Galway?

Can I find deals for flights from Portland to Galway that include hotel bookings?

How can I find direct flights from Portland to Galway?

Can I find deals for business class flights from Portland to Galway?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Portland to Galway

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

Complete your trip to Galway by adding a car rental and/or hotel reservation to your travel itinerary.

Search flights from Portland to Galway by cabin class

Find flights from Portland to Galway, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Portland and Galway flights

Browse other Portland and Galway flight options. Last updated on September 26, 2026.

Other flights from Portland

Browse through other flights departing from Portland. Flights are based on user searches made on Cheapflights and were last updated on September 26, 2026.

Popular flight searches

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Portland to Galway flights

Consider these flights traveling from Portland to Galway.

Top 3 airlines flying from Portland to Galway

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Travel Smart

Cheap flights from Portland (PDX) to Galway, Ireland

Find cheap flights from Portland to Galway with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Reviews of airlines servicing Galway

Peruse reviews from past customers who have flown with Delta,United Airlines, andAmerican Airlines from Portland to Galway to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

What airport do you fly from for flights from Portland to Galway?

Can I find deals for flights from Portland to Galway that include hotel bookings?

How can I find direct flights from Portland to Galway?

Can I find deals for business class flights from Portland to Galway?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Portland to Galway

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

Complete your trip to Galway by adding a car rental and/or hotel reservation to your travel itinerary.

Search flights from Portland to Galway by cabin class

Find flights from Portland to Galway, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Portland and Galway flights

Browse other Portland and Galway flight options. Last updated on September 26, 2026.

Other flights from Portland

Browse through other flights departing from Portland. Flights are based on user searches made on Cheapflights and were last updated on September 26, 2026.

Popular flight searches

Check out other popular destinations found by fellow travelers in 2026

Portland to Galway flights

Consider these flights traveling from Portland to Galway.

Top 3 airlines flying from Portland to Galway

100% Free

Book with Flexibility

Travel Smart