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Cardiff

$765+ Cheap flights from Boise (BOI) to Cardiff (CWL)

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 12/3. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — CWL
Dec 6 — Dec 131
Sat 12/6
Sat 12/13
1 adult, Economy
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Find flight deals from Boise to Cardiff

Cheapest flights from Boise to Cardiff
Explore the most affordable flight options available from Boise to Cardiff. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 6, 2025.

This Delta deal was found by Cheapflights users on 11/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/37:30 amBOI - CWL
2 stops26h 25mDelta
Sun 12/710:20 amCWL - BOI
2 stops45h 22mDelta
Deal found 11/5$765
This KLM deal was found by Cheapflights users on 11/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/101:49 pmBOI - CWL
2 stops37h 01mKLM
Wed 11/195:25 pmCWL - BOI
2 stops36h 00mKLM
Deal found 11/6$1,803

Cheap flight deals from Boise to Cardiff

Discover tips and strategies to find the most affordable flight options for your journey from Boise (BOI) to Cardiff (CWL). 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 November 6, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
1 star

Round-trip from

$765
(Delta)
Provider with most accurate pricing for Boise Air Term. Gowen Fld-Cardiff Wales flight deals.
Search Deals
Provider most trusted by Cheapflights users for Boise Air Term. Gowen Fld-Cardiff Wales flights.
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From Boise Air Term. Gowen Fld to Cardiff Wales
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Boise to Cardiff 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 2,558,603 searches. Data last updated November 6, 2025.
Use the filters below to find and compare flights from Boise to Cardiff that are best for you.

Fly from

Boise

Fly to

Cardiff

Route

Depart

Return

Price

BoiseCardiff

BOI - CWL

BOICWL

Boise Air Term. Gowen Fld

Wed 12/3

7:30 am-4:55 pm

2 stops26h 25m

Cardiff Wales

Sun 12/7

10:20 am-12:42 am

2 stops45h 22m

$765

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/5

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

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

Related info for your journey

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

  • How long is the flight from Boise to Cardiff?

    Departing from Boise to Cardiff will take you 26h 25m. The distance between Boise and Cardiff is about 4745 mi.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Boise to Cardiff 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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