How do I get Price Alerts for flights from Idaho to Cardiff?

Confirm your travel details to search for the latest offers for flights from Idaho to Cardiff . While browsing offers there will be the option to toggle “Price Alerts”. You’ll then receive updates when prices for the flight route increase or decrease.

How can I save money on flights from Idaho to Cardiff with momondo?

By using tools like our “Price Calendar”, you can see the best days for return flights on your travels. Our “Price Forecast” tool uses AI to predict whether you should purchase or hold off on booking for potentially cheaper prices. Explore shows you all flight options from a city or airport to build your own unique adventure. The Discover blog also provides valuable insights for saving money while booking your experience. After searching you can toggle on “Price Alerts” to track prices for your desired flight and book at the ideal moment.

How does momondo find its flight prices?

momondo shows deals across 700+ competitors all at once. momondo is active in 30 international markets, so you can have access to a wide range of options from airlines and OTAs alike.

When did momondo last update prices for flights from Idaho to Cardiff Wales Airport?

Prices for flights from Idaho to Cardiff Wales Airport were last updated today.

How old do you have to be to fly from Idaho to Cardiff Wales Airport?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Idaho to Cardiff Wales Airport.

What documentation or ID do you need to fly to Cardiff Wales Airport?

The required travel and health documents for your Cardiff Wales Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Cardiff Wales Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

£584 Cheap Flights from Idaho to Cardiff in 2025/26

1 adult

0 bags

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Find the cheapest flights from Idaho to Cardiff

Round-trip

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

07:30 - 16:55BOI-CWL

26h 25m2 stops

10:20 - 00:42CWL-BOI

45h 22m2 stops

£584Delta

Find Deal

Wed, 3 Dec - Sun, 7 Dec

11:10 - 16:55BOI-CWL

22h 45m2 stops

10:20 - 00:42CWL-BOI

45h 22m2 stops

£585Delta

Find Deal

Wed, 3 Dec - Sun, 7 Dec

11:44 - 16:55BOI-CWL

22h 11m2 stops

10:20 - 18:51CWL-BOI

39h 31m2 stops

£776KLM

Find Deal

Wed, 3 Dec - Sun, 7 Dec

Delta flights from Idaho to Cardiff

Our best Delta deals on Idaho to Cardiff flight tickets

Delta

3 Dec

BOI07:30Boise Air Term. Gowen Fld

26h 25m

2 stops

CWL16:55Cardiff Wales

7 Dec

CWL10:20Cardiff Wales

45h 22m

2 stops

BOI00:42Boise Air Term. Gowen Fld

£584

Find similar

Delta

3 Dec

BOI11:10Boise Air Term. Gowen Fld

22h 45m

2 stops

CWL16:55Cardiff Wales

7 Dec

CWL10:20Cardiff Wales

45h 22m

2 stops

BOI00:42Boise Air Term. Gowen Fld

£585

Find similar

KLM flights from Idaho to Cardiff

Our best KLM deals on Idaho to Cardiff flight tickets

KLM

3 Dec

BOI11:44Boise Air Term. Gowen Fld

22h 11m

2 stops

CWL16:55Cardiff Wales

7 Dec

CWL10:20Cardiff Wales

39h 31m

2 stops

BOI18:51Boise Air Term. Gowen Fld

£776

Find similar

KLM

10 Nov

BOI13:49Boise Air Term. Gowen Fld

37h 01m

2 stops

CWL09:50Cardiff Wales

19 Nov

CWL17:25Cardiff Wales

36h 00m

2 stops

BOI22:25Boise Air Term. Gowen Fld

£1,377

Find similar

KLM

10 Nov

BOI11:10Boise Air Term. Gowen Fld

22h 45m

2 stops

CWL16:55Cardiff Wales

19 Nov

CWL17:25Cardiff Wales

30h 50m

2 stops

BOI17:15Boise Air Term. Gowen Fld

£1,378

Find similar

Fly from

Fly to

Route

Depart

Return

Price

BoiseCardiff

BOI - CWL

BOICWL

Boise Air Term. Gowen Fld

Wed 3/12

07:30-16:55

2 stops26h 25m

Cardiff Wales

Sun 7/12

10:20-00:42

2 stops45h 22m

£584

BoiseCardiff

BOI - CWL

BOICWL

Boise Air Term. Gowen Fld

Wed 3/12

11:10-16:55

2 stops22h 45m

Cardiff Wales

Sun 7/12

10:20-00:42

2 stops45h 22m

£585

BoiseCardiff

BOI - CWL

BOICWL

Boise Air Term. Gowen Fld

Wed 3/12

11:44-16:55

2 stops22h 11m

Cardiff Wales

Sun 7/12

10:20-18:51

2 stops39h 31m

£776

Flights are sorted by cheapest return flights first.

Sorted by cheapest first

Cheap Idaho to Cardiff flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Idaho to Cardiff

Direct flights	None

There are no direct flights from Idaho to Cardiff. There are no popular flight routes from Idaho to Cardiff.

Search flight deals

When did momondo last update prices for flights from Idaho to Cardiff Wales Airport?
Prices for flights from Idaho to Cardiff Wales Airport were last updated today.
How old do you have to be to fly from Idaho to Cardiff Wales Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Idaho to Cardiff Wales Airport.
What documentation or ID do you need to fly to Cardiff Wales Airport?
The required travel and health documents for your Cardiff Wales Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Cardiff Wales Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

How do I get Price Alerts for flights from Idaho to Cardiff?
Confirm your travel details to search for the latest offers for flights from Idaho to Cardiff. While browsing offers there will be the option to toggle “Price Alerts”. You’ll then receive updates when prices for the flight route increase or decrease.
How can I save money on flights from Idaho to Cardiff with momondo?
By using tools like our “Price Calendar”, you can see the best days for return flights on your travels. Our “Price Forecast” tool uses AI to predict whether you should purchase or hold off on booking for potentially cheaper prices. Explore shows you all flight options from a city or airport to build your own unique adventure. The Discover blog also provides valuable insights for saving money while booking your experience. After searching you can toggle on “Price Alerts” to track prices for your desired flight and book at the ideal moment.
How does momondo find its flight prices?
momondo shows deals across 700+ competitors all at once. momondo is active in 30 international markets, so you can have access to a wide range of options from airlines and OTAs alike.

Barry

Bridgend

Why use momondo?

Why should I use momondo to find a flight deal from Idaho to Cardiff?

Finding the right flight to Cardiff from Idaho is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Cardiff quick and easy, saving you time and money.

Can I find flights from Idaho to Cardiff with flexible booking policies on momondo?

Flights from Idaho to Cardiff with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Idaho to Cardiff?

Once you have performed a search for Idaho to Cardiff flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Idaho to Cardiff right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Idaho to Cardiff flights. All you need is a valid email address and we will do the rest; it is that quick and easy.