What are the cheapest airlines flying from Houston George Bush Intcntl Airport to Shannon, Clare round-trip?

Currently priced at $595, United Airlines will fly you from Houston George Bush Intcntl Airport to Shannon, Clare and back. In addition to United Airlines, many other airlines offer competitively priced options for your trip. Check Cheapflights for deals on American Airlines for as low as $696.

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).

Most accurate provider : When it comes to deals on Houston George Bush Intcntl Airport-Shannon, Clare flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Houston George Bush Intcntl Airport-Shannon, Clare flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Houston George Bush Intcntl Airport-Shannon, Clare flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Houston George Bush Intcntl Airport-Shannon, Clare flights, Cheapflights users trust Expedia the most. Expedia has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Houston George Bush Intcntl Airport-Shannon, Clare flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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

Shannon (SNN), located 2.1 mi from the city center, is the airport you fly into when you book flights from Houston George Bush Intcntl to Shannon. 2 airlines have flights to Shannon from Houston George Bush Intcntl on a regular basis. Booking flights from Houston George Bush Intcntl to Shannon should not be difficult; the airport handles an average of 0 inbound flights from Houston George Bush Intcntl per day.

Can I find deals for flights from George Bush Intcntl to Shannon that include hotel bookings?

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

How can I find direct flights from George Bush Intcntl to Shannon?

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

Can I find deals for business class flights from George Bush Intcntl to Shannon?

Yes. Cheapflights offers flight deals from George Bush Intcntl 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.

$877+ Flights from Houston George Bush Intcntl Airport to Shannon

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Cheap flight deals from George Bush Intcntl to Shannon

Best flights from George Bush Intcntl to Shannon
Discover carefully curated flight deals from George Bush Intcntl to Shannon that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 18, 2025.

Fri 1/303:50 pmIAH - SNN

1 stop17h 55mBritish Airways

Tue 2/35:30 pmSNN - IAH

1 stop26h 35mBritish Airways

Deal found 12/15

$877

Fri 1/3012:10 pmIAH - SNN

2 stops17h 20mAir Canada

Tue 2/35:30 pmSNN - IAH

2 stops52h 54mAir Canada

Deal found 12/15

$878

Mon 6/19:35 amIAH - SNN

1 stop15h 55mUnited Airlines

Tue 6/1612:30 pmSNN - IAH

1 stop13h 58mUnited Airlines

Deal found 12/17

$925

Last-minute flights from George Bush Intcntl to Shannon
Discover last-minute flight deals from George Bush Intcntl to Shannon. Data last updated December 18, 2025 and is based on user searches.

Fri 1/303:50 pmIAH - SNN

1 stop13h 40mBritish Airways

Tue 2/35:30 pmSNN - IAH

1 stop26h 35mBritish Airways

Deal found 12/17

$877

Fri 1/3012:10 pmIAH - SNN

2 stops21h 35mAir Canada

Tue 2/37:50 amSNN - IAH

2 stops38h 34mAir Canada

Deal found 12/17

$878

One-way flights from George Bush Intcntl to Shannon
Search for one-way flight options from George Bush Intcntl to Shannon. Find affordable one-way fares based on user searches. Data last updated December 18, 2025.

Sun 1/257:00 amIAH - SNN

3 stops27h 45mMultiple Airlines

Deal found 12/16

$1,748

Find flight deals from George Bush Intcntl to Shannon

Most accurate provider	FlightHub 3 stars
Most trusted provider	Expedia 3 stars
Round-trip from	$877 (British Airways)

Provider with most accurate pricing for Houston George Bush Intcntl-Shannon flight deals.

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Provider most trusted by Cheapflights users for Houston George Bush Intcntl-Shannon flights.

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From Houston George Bush Intcntl to Shannon

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Cheapflights Fare Finder

Use the filters below to find and compare flights from Houston George Bush Intcntl Airport to Shannon that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

HoustonShannon

IAH - SNN

IAHSNN

Houston George Bush Intcntl

Fri 1/30

3:50 pm-3:45 pm

1 stop17h 55m

Shannon

Tue 2/3

5:30 pm-2:05 pm

1 stop26h 35m

$877

HoustonShannon

IAH - SNN

IAHSNN

Houston George Bush Intcntl

Fri 1/30

12:10 pm-11:30 am

2 stops17h 20m

Shannon

Tue 2/3

5:30 pm-4:24 pm

2 stops52h 54m

$878

HoustonShannon

IAH - SNN

IAHSNN

Houston George Bush Intcntl

Mon 6/1

9:35 am-7:30 am

1 stop15h 55m

Shannon

Tue 6/16

12:30 pm-8:28 pm

1 stop13h 58m

$925

HoustonShannon

IAH - SNN

IAHSNN

Houston George Bush Intcntl

Sun 1/25

7:00 am-4:45 pm

3 stops27h 45m

$1,748

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/16

Compare providers for flights from George Bush Intcntl to Shannon

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from George Bush Intcntl to Shannon in December.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy2 stars	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*1 star
AranGrant	Price Accuracy2 stars	Trust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

Most accurate provider: When it comes to deals on Houston George Bush Intcntl Airport-Shannon, Clare flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Houston George Bush Intcntl Airport-Shannon, Clare flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Houston George Bush Intcntl Airport-Shannon, Clare flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Houston George Bush Intcntl Airport-Shannon, Clare flights, Cheapflights users trust Expedia the most. Expedia has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Houston George Bush Intcntl Airport-Shannon, Clare flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from George Bush Intcntl to Shannon

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

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.

Cheapflights Insights

Everything you need to know about your flight from Houston George Bush Intcntl Airport to Shannon

What is the cheapest time of day to fly from IAH to SNN?

Unlike in the morning, when flights are generally more expensive, you can save up to 20% on flights from Houston George Bush Intcntl Airport to Shannon, Clare by exploring options for tickets at noon.

Reviews of airlines servicing Shannon

See what other customers who have flown with United Airlines and American Airlines from Houston George Bush Intcntl Airport to Shannon have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

United Airlines

7.4

Good

9,092 reviews

Reviews

1 / 20

10.0

Excellent

Sunderesh,Dec 2025

AUS - EWR

Smooth flight from Austin to Newark. The crew was friendly.

United Airlines

7.4

Good

9,092 reviews

United Airlines

7.4

Good

9,092 reviews

Reviews

1 / 20

10.0

Excellent

Sunderesh,Dec 2025

AUS - EWR

Smooth flight from Austin to Newark. The crew was friendly.

American Airlines

7.2

Good

11,055 reviews

United Airlines

7.4

Good

9,092 reviews

Reviews

1 / 20

10.0

Excellent

Sunderesh,Dec 2025

AUS - EWR

Smooth flight from Austin to Newark. The crew was friendly.

Related info for your journey

What airport do you fly into for flights to Shannon from Houston George Bush Intcntl?
Shannon (SNN), located 2.1 mi from the city center, is the airport you fly into when you book flights from Houston George Bush Intcntl to Shannon. 2 airlines have flights to Shannon from Houston George Bush Intcntl on a regular basis. Booking flights from Houston George Bush Intcntl to Shannon should not be difficult; the airport handles an average of 0 inbound flights from Houston George Bush Intcntl per day.
How long is the flight from Houston George Bush Intcntl Airport to Shannon, Clare?
Airlines like British Airways and Air Canada fly from Houston George Bush Intcntl Airport to Shannon, Clare in about 17h 20m. The time it takes to get you to your destination can typically vary by up to 35m. Airlines will cover a distance of 4454 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.
What are the cheapest airlines flying from Houston George Bush Intcntl Airport to Shannon, Clare round-trip?
Currently priced at $595, United Airlines will fly you from Houston George Bush Intcntl Airport to Shannon, Clare and back. In addition to United Airlines, many other airlines offer competitively priced options for your trip. Check Cheapflights for deals on American Airlines for as low as $696.
Can I find deals for flights from George Bush Intcntl to Shannon that include hotel bookings?
Yes. In addition to deals on George Bush Intcntl to Shannon flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from George Bush Intcntl to Shannon?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from George Bush Intcntl to Shannon.
Can I find deals for business class flights from George Bush Intcntl to Shannon?
Yes. Cheapflights offers flight deals from George Bush Intcntl 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.

See more FAQs

Ennis

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Top 2 airlines flying from George Bush Intcntl to Shannon

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	Cheapest$595	Average$933	FlexibilityNo cancel fee	On-time69%
American Airlines	Cheapest$696	Average$853	FlexibilityNo cancel fee	On-time71%

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$877+ Cheap flights from George Bush Intcntl (IAH) to Shannon (SNN)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/30. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from George Bush Intcntl to Shannon with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from George Bush Intcntl to Shannon

Best flights from George Bush Intcntl to ShannonDiscover carefully curated flight deals from George Bush Intcntl to Shannon that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 18, 2025.

Discover carefully curated flight deals from George Bush Intcntl to Shannon that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 18, 2025.

Find flight deals from George Bush Intcntl to Shannon

Most accurate provider

Most trusted provider

Round-trip from

Cheapflights Fare Finder

Use the filters below to find and compare flights from Houston George Bush Intcntl Airport to Shannon that are best for you.

Compare providers for flights from George Bush Intcntl to Shannon

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from George Bush Intcntl to Shannon in December.

Best time to book a flight from George Bush Intcntl to Shannon

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

Cheapflights Insights

Everything you need to know about your flight from Houston George Bush Intcntl Airport to Shannon

What is the cheapest time of day to fly from IAH to SNN?

Reviews of airlines servicing Shannon

See what other customers who have flown with United Airlines and American Airlines from Houston George Bush Intcntl Airport to Shannon have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from George Bush Intcntl to Shannon. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

How long is the flight from Houston George Bush Intcntl Airport to Shannon, Clare?

What are the cheapest airlines flying from Houston George Bush Intcntl Airport to Shannon, Clare round-trip?

Can I find deals for flights from George Bush Intcntl to Shannon that include hotel bookings?

How can I find direct flights from George Bush Intcntl to Shannon?

Can I find deals for business class flights from George Bush Intcntl to Shannon?

Traveling to a place near Shannon?

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Alternative routes for George Bush Intcntl to Shannon

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Top 2 airlines flying from George Bush Intcntl to Shannon

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Best flights from George Bush Intcntl to Shannon
Discover carefully curated flight deals from George Bush Intcntl to Shannon that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 18, 2025.