What is the cheapest month to book a flight from Cardiff to Idaho?

Currently, October is the cheapest month in which you can book a flight from Cardiff to Idaho (average of £754). Flying from Cardiff to Idaho in August is currently the most expensive (average of £1,152). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

In terms of precipitation, rainfall in Idaho ranges from 5.0 - 41.0 inches per month. December is typically the wettest month, when rainfall can reach 41.0 mm. August is typically the driest time to visit Idaho when rainfall is around 5.0 mm.

If weather is an important factor for your trip to Idaho, 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 24.0 C. Travellers hoping to avoid the cold should look outside of December, when temperatures are typically at their lowest (around -1.0 C).

What is the cheapest time of day to fly from CWL to ID?

When flying from Cardiff to Idaho, 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 Cardiff to Idaho?

Cardiff Wales (CWL), located 9.1 mi from the city center, is the airport you fly out of when you book flights from Cardiff to Idaho.

Can I find deals for flights from Cardiff to Idaho that include hotel bookings?

Yes. In addition to deals on Cardiff to Idaho flights, Cheapflights offers holiday packages that include both flights and hotel.

How can I find direct flights from Cardiff to Idaho?

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

Can I find deals for business class flights from Cardiff to Idaho?

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

£770+ Flights from Cardiff to Idaho

Cheap flight deals from Cardiff to Idaho

Round-trip from	£770

Delta
7/11-10/11
4 total stops
64h 08m total
Cardiff to Idaho

Search Deals

Find flight deals from Cardiff to Idaho

Cheapest flights from Cardiff to Idaho
Explore the most affordable flight options available from Cardiff to Idaho. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 3 July 2025.

Fri 7/1110:20CWL - BOI

2 stops37h 28mDelta

Mon 10/1107:15BOI - CWL

2 stops26h 40mDelta

Deal found 2/7£770

Cheapflights Fare Finder

Use the filters below to find and compare flights from Cardiff to Idaho that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

CardiffBoise

CWL - BOI

CWLBOI

Cardiff Wales

Fri 7/11

10:20-16:48

2 stops37h 28m

Boise Air Term. Gowen Fld

Mon 10/11

07:15-16:55

2 stops26h 40m

£770

Flights are sorted by cheapest return flights first.

Deals found on 2/7

Best time to book a flight from Cardiff to Idaho

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

Estimated return 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 Cardiff to Idaho

No data available for this route at this time. Please check back soon.

Reviews of airlines servicing Idaho

Read through reviews of airlines operating flights from Cardiff to Idaho, such as Delta. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very Good

7,983 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Delta

8.0

Very Good

7,983 reviews

Delta

8.0

Very Good

7,983 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

What airport do you fly from for flights from Cardiff to Idaho?
Cardiff Wales (CWL), located 9.1 mi from the city center, is the airport you fly out of when you book flights from Cardiff to Idaho.
Can I find deals for flights from Cardiff to Idaho that include hotel bookings?
Yes. In addition to deals on Cardiff to Idaho flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Cardiff to Idaho?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Cardiff to Idaho.
Can I find deals for business class flights from Cardiff to Idaho?
Yes. Cheapflights offers flight deals from Cardiff to Idaho by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Cardiff to Idaho?
Currently, October is the cheapest month in which you can book a flight from Cardiff to Idaho (average of £754). Flying from Cardiff to Idaho in August is currently the most expensive (average of £1,152). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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How does Cheapflights help users find flights from Cardiff to Idaho?

Cheapflights helps you search for flights from Cardiff to Idaho via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from Cardiff to Idaho?

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Can Cheapflights find flights from Cardiff to Idaho with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Cardiff to Idaho flexibly with Cheapflights today.

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Cheap flights from Cardiff to Idaho from £770

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/11. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Cardiff to Idaho

Keep the following information in mind while searching for Cardiff to Idaho flight deals. Data was last updated 3 July 2025.

Round-trip from

Find flight deals from Cardiff to Idaho

Cheapest flights from Cardiff to IdahoExplore the most affordable flight options available from Cardiff to Idaho. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 3 July 2025.

Explore the most affordable flight options available from Cardiff to Idaho. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 3 July 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Cardiff to Idaho that are best for you.

Best time to book a flight from Cardiff to Idaho

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

Cheapflights Insights

Everything you need to know about your flight from Cardiff to Idaho

Reviews of airlines servicing Idaho

Get insights into the airlines that provide service to Idaho. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Idaho. Reviews last updated 3 July 2025.

Read through reviews of airlines operating flights from Cardiff to Idaho, such as Delta. 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

Find useful and relevant information for your journey from Cardiff to Idaho. 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 from for flights from Cardiff to Idaho?

Can I find deals for flights from Cardiff to Idaho that include hotel bookings?

How can I find direct flights from Cardiff to Idaho?

Can I find deals for business class flights from Cardiff to Idaho?

What is the cheapest month to book a flight from Cardiff to Idaho?

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 Cardiff to Idaho

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

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Cardiff to Idaho?

Why should you use Cheapflights to find cheap flight tickets from Cardiff to Idaho?

Can Cheapflights find flights from Cardiff to Idaho with no change fees?

Can Cheapflights notify me if prices for flights from Cardiff to Idaho become cheaper?

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Travel Smart

Cheapest flights from Cardiff to Idaho
Explore the most affordable flight options available from Cardiff to Idaho. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 3 July 2025.