In terms of precipitation, rainfall in Shannon, Clare 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 Shannon, Clare when rainfall is around 2.3 in.

If weather is an important factor for your trip to Shannon, Clare, 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 is the cheapest time of day to fly from HOU to SNN?

When flying from Houston to Shannon, Clare, 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 into for flights to Shannon from Houston?

For a flight from Houston to Shannon, you will be flying into Shannon. Shannon (SNN) is just 2.1 mi from the center of the city. Shannon is the only Shannon airport and it handles 0 inbound flights from Houston per day. 1 airline has flights to Shannon from Houston on a regular basis.

Can I find deals for flights from Houston to Shannon that include hotel bookings?

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

How can I find direct flights from Houston to Shannon?

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

Can I find deals for business class flights from Houston to Shannon?

Yes. Cheapflights offers flight deals from Houston to Shannon 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 Houston to Shannon

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Best time to book a flight from Houston to Shannon

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HO1-SNN

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Reviews of airlines servicing Shannon

Read through reviews of airlines operating flights from Houston to Shannon, such as United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

United Airlines

7.4

Good

10,384 reviews

Reviews

1 / 20

2.0

Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000

United Airlines

7.4

Good

10,384 reviews

United Airlines

7.4

Good

10,384 reviews

Reviews

1 / 20

2.0

Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000

Related info for your journey

What airport do you fly into for flights to Shannon from Houston?
For a flight from Houston to Shannon, you will be flying into Shannon. Shannon (SNN) is just 2.1 mi from the center of the city. Shannon is the only Shannon airport and it handles 0 inbound flights from Houston per day. 1 airline has flights to Shannon from Houston on a regular basis.
Can I find deals for flights from Houston to Shannon that include hotel bookings?
Yes. In addition to deals on Houston to Shannon flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Houston to Shannon?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Houston to Shannon.
Can I find deals for business class flights from Houston to Shannon?
Yes. Cheapflights offers flight deals from Houston to Shannon by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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Top airline flying from Houston to Shannon

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	Cheapest$691	Average$1,233	FlexibilityNo cancel fee	On-time69%

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Find cheap flights from Houston to Shannon with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Best time to book a flight from Houston to Shannon

Have a flexible travel schedule? Discover the best time to fly to Shannon from Houston with our price prediction graph.

Reviews of airlines servicing Shannon

Read through reviews of airlines operating flights from Houston to Shannon, such as United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

What airport do you fly into for flights to Shannon from Houston?

Can I find deals for flights from Houston to Shannon that include hotel bookings?

How can I find direct flights from Houston to Shannon?

Can I find deals for business class flights from Houston to Shannon?

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 Houston to Shannon

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

Complete your trip

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

Search flights from Houston to Shannon by cabin class

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

Houston and Shannon flights

Browse other Houston and Shannon flight options. Last updated on October 18, 2026.

Popular flight searches

Check out other popular destinations found by fellow travelers in 2026

Other flights to Shannon

Explore flights to Shannon departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on October 18, 2026.

Top airline flying from Houston to Shannon

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Book with Flexibility

Travel Smart

Cheap flights from Houston to Shannon (SNN)

Find cheap flights from Houston to Shannon with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Best time to book a flight from Houston to Shannon

Have a flexible travel schedule? Discover the best time to fly to Shannon from Houston with our price prediction graph.

Reviews of airlines servicing Shannon

Read through reviews of airlines operating flights from Houston to Shannon, such as United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

What airport do you fly into for flights to Shannon from Houston?

Can I find deals for flights from Houston to Shannon that include hotel bookings?

How can I find direct flights from Houston to Shannon?

Can I find deals for business class flights from Houston to Shannon?

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 Houston to Shannon

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

Complete your trip

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

Search flights from Houston to Shannon by cabin class

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

Houston and Shannon flights

Browse other Houston and Shannon flight options. Last updated on October 18, 2026.

Popular flight searches

Check out other popular destinations found by fellow travelers in 2026

Other flights to Shannon

Explore flights to Shannon departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on October 18, 2026.

Top airline flying from Houston to Shannon

100% Free

Book with Flexibility

Travel Smart