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Cheap flights from Cardiff to Boise from £744

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/11. Fares are subject to change and may not be available on all flights or dates of travel.
CWL — BOI
22 Jul — 29 Jul1
1 adult

Cheap flight deals from Cardiff to Boise

Discover tips and strategies to find the most affordable flight options for your journey from Cardiff (CWL) to Boise (BOI). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 17 July 2025.

Round-trip from

£744
Delta
  • Delta
  • 3/11-12/11
  • 4 total stops
  • 63h 53m total
  • Cardiff to Boise
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Find flight deals from Cardiff to Boise

Cheapest flights from Cardiff to Boise
Explore the most affordable flight options available from Cardiff to Boise. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 July 2025.

Mon 3/1110:20CWL - BOI
2 stops44h 18mDelta
Tue 11/1117:45BOI - CWL
2 stops40h 10mDelta
Deal found 15/7£744
Fri 7/1117:25CWL - BOI
2 stops35h 24mVirgin Atlantic
Mon 10/1113:15BOI - CWL
2 stops37h 35mVirgin Atlantic
Deal found 15/7£772

Cheapflights Fare Finder

Customise your flight search to find flights from Cardiff to Boise that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 17 July 2025.
Use the filters below to find and compare flights from Cardiff to Boise that are best for you.

Fly from

Cardiff

Fly to

Boise

Route

Depart

Return

Price

CardiffBoise

CWL - BOI

CWLBOI

Cardiff Wales

Mon 3/11

10:20-00:17

2 stops44h 57m

Boise Air Term. Gowen Fld

Mon 10/11

10:38-09:50

2 stops40h 12m

£744

CardiffBoise

CWL - BOI

CWLBOI

Cardiff Wales

Fri 7/11

17:25-21:49

2 stops35h 24m

Boise Air Term. Gowen Fld

Mon 10/11

13:15-09:50

2 stops37h 35m

£772

Flights are sorted by cheapest return flights first.

Deals found on 15/7

Best time to book a flight from Cardiff to Boise

Have a flexible travel schedule? Discover the best time to fly to Boise 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.

Reviews of airlines servicing Boise

Get insights into the airlines that provide service to Boise. 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 Boise. Reviews last updated 17 July 2025.
See what other customers who have flown with Delta and Virgin Atlantic from Cardiff to Boise have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very Good
7,957 reviews
Check prices

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
8.0
Excellent

Michael,Jul 2025

AMS - ATL

Overall it was great experience, with the exception of snack food. The food offered in two main meals was just fine but for the mid-flight snack, the only option was a large cookie, too sweet and high sugar content. Snacks at the back of the plane were also mainly sweets. There was one nice baked cheddar option but it quickly ran out.
Delta
8.0
Very Good
7,957 reviews
Delta
8.0
Very Good
7,957 reviews
Check prices

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
8.0
Excellent

Michael,Jul 2025

AMS - ATL

Overall it was great experience, with the exception of snack food. The food offered in two main meals was just fine but for the mid-flight snack, the only option was a large cookie, too sweet and high sugar content. Snacks at the back of the plane were also mainly sweets. There was one nice baked cheddar option but it quickly ran out.
Virgin Atlantic
7.4
Good
655 reviews
Delta
8.0
Very Good
7,957 reviews
Check prices

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
8.0
Excellent

Michael,Jul 2025

AMS - ATL

Overall it was great experience, with the exception of snack food. The food offered in two main meals was just fine but for the mid-flight snack, the only option was a large cookie, too sweet and high sugar content. Snacks at the back of the plane were also mainly sweets. There was one nice baked cheddar option but it quickly ran out.

Related info for your journey

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

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

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

  • How can I find direct flights from Cardiff to Boise?

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

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

    Yes. Cheapflights offers flight deals from Cardiff to Boise 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 Boise?

    Currently, October is the cheapest month in which you can book a flight from Cardiff to Boise (average of £754). Flying from Cardiff to Boise 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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