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Cagliari

$259+ Cheap flights from Boston (BOS) to Cagliari (CAG)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/8. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — CAG
Apr 1 — Apr 81
Tue 4/1
Tue 4/8
1 adult, Economy
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Cheap flight deals from Boston to Cagliari

Discover tips and strategies to find the most affordable flight options for your journey from Boston (BOS) to Cagliari (CAG). 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 March 27, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$645
(Kiwi.com)

One-way from

$259
(Kiwi.com)
Provider with most accurate pricing for Boston Logan Intl-Cagliari Elmas flight deals.
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Provider most trusted by Cheapflights users for Boston Logan Intl-Cagliari Elmas flights.
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From Boston Logan Intl to Cagliari Elmas
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One-way flight from Boston Logan Intl to Cagliari Elmas
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Find flight deals from Boston to Cagliari

Cheapest flights from Boston to Cagliari
Explore the most affordable flight options available from Boston to Cagliari. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 27, 2025.

This Kiwi.com deal was found by Cheapflights users on 3/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/510:50 pmBOS - CAG
1 stop11h 15mVueling
Wed 5/1411:40 pmCAG - BOS
1 stop27h 25mVueling
Deal found 3/26$645
This Kiwi.com deal was found by Cheapflights users on 3/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/48:50 pmBOS - CAG
2 stops35h 05mMultiple Airlines
Mon 5/1210:45 amCAG - BOS
1 stop16h 20mMultiple Airlines
Deal found 3/26$671
This Iberia deal was found by Cheapflights users on 3/24. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/2511:00 pmBOS - CAG
1 stop11h 05mIberia
Tue 9/27:30 pmCAG - BOS
2 stops31h 45mIberia
Deal found 3/24$743
This Gurufare deal was found by Cheapflights users on 3/26. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/99:55 amBOS - CAG
2 stops27h 50mScandinavian Airlines
Thu 7/178:35 pmCAG - BOS
1 stop25h 00mScandinavian Airlines
Deal found 3/26$867
This FlightHub deal was found by Cheapflights users on 3/26. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/39:40 pmBOS - CAG
1 stop16h 05mSWISS
Mon 6/99:10 pmCAG - BOS
1 stop24h 15mSWISS
Deal found 3/26$985
This Travelocity deal was found by Cheapflights users on 3/24. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/237:13 amBOS - CAG
2 stops24h 52mBritish Airways
Thu 7/39:25 pmCAG - BOS
2 stops31h 28mBritish Airways
Deal found 3/24$990
This Lufthansa deal was found by Cheapflights users on 3/26. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/312:29 pmBOS - CAG
2 stops23h 06mLufthansa
Mon 6/96:25 pmCAG - BOS
1 stop29h 15mLufthansa
Deal found 3/26$1,006
This Delta deal was found by Cheapflights users on 3/26. 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.
Sat 5/312:05 pmBOS - CAG
2 stops22h 20mDelta
Sun 5/115:05 pmCAG - BOS
2 stops24h 45mDelta
Deal found 3/26$1,128
This KLM deal was found by Cheapflights users on 3/25. 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.
Fri 6/278:15 pmBOS - CAG
1 stop32h 05mKLM
Tue 7/155:05 pmCAG - BOS
1 stop29h 25mKLM
Deal found 3/25$1,129
This Aeromexico deal was found by Cheapflights users on 3/25. 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 Aeromexico is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/275:36 pmBOS - CAG
2 stops40h 49mAir France
Tue 7/155:05 pmCAG - BOS
2 stops36h 51mAir France
Deal found 3/25$1,203
This oojo deal was found by Cheapflights users on 3/26. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/215:05 pmBOS - CAG
2 stops18h 30mITA Airways
Thu 9/257:25 pmCAG - BOS
2 stops24h 15mITA Airways
Deal found 3/26$1,485

Cheapflights Fare Finder

Customize your flight search to find flights from Boston to Cagliari 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 March 27, 2025.
Use the filters below to find and compare flights from Boston to Cagliari that are best for you.

Fly from

Boston

Fly to

Cagliari

Route

Depart

Return

Price

BostonCagliari

BOS - CAG

BOSCAG

Boston Logan Intl

Mon 5/5

10:50 pm-4:05 pm

1 stop11h 15m

Cagliari Elmas

Wed 5/14

11:40 pm-9:05 pm

1 stop27h 25m

$645

BostonCagliari

BOS - CAG

BOSCAG

Boston Logan Intl

Sun 5/4

8:50 pm-1:55 pm

2 stops35h 05m

Cagliari Elmas

Mon 5/12

10:45 am-9:05 pm

1 stop16h 20m

$671

BostonCagliari

BOS - CAG

BOSCAG

Boston Logan Intl

Mon 8/25

11:00 pm-8:45 pm

1 stop15h 45m

Cagliari Elmas

Tue 9/2

7:30 pm-9:15 pm

2 stops31h 45m

$807

BostonCagliari

BOS - CAG

BOSCAG

Boston Logan Intl

Wed 7/9

9:55 am-7:45 pm

2 stops27h 50m

Cagliari Elmas

Thu 7/17

8:35 pm-3:35 pm

1 stop25h 00m

$867

BostonCagliari

BOS - CAG

BOSCAG

Boston Logan Intl

Tue 6/3

9:40 pm-7:45 pm

1 stop16h 05m

Cagliari Elmas

Mon 6/9

9:10 pm-3:25 pm

1 stop24h 15m

$985

BostonCagliari

BOS - CAG

BOSCAG

Boston Logan Intl

Tue 6/3

12:29 pm-5:35 pm

2 stops23h 06m

Cagliari Elmas

Mon 6/9

6:25 pm-5:40 pm

1 stop29h 15m

$1,006

BostonCagliari

BOS - CAG

BOSCAG

Boston Logan Intl

Sat 5/3

12:05 pm-4:25 pm

2 stops22h 20m

Cagliari Elmas

Sun 5/11

5:05 pm-11:50 am

2 stops24h 45m

$1,128

BostonCagliari

BOS - CAG

BOSCAG

Boston Logan Intl

Thu 7/3

4:45 pm-4:25 pm

1 stop17h 40m

Cagliari Elmas

Sun 7/13

11:00 am-4:30 pm

1 stop11h 30m

$1,199

BostonCagliari

BOS - CAG

BOSCAG

Boston Logan Intl

Sun 9/21

5:05 pm-5:35 pm

2 stops18h 30m

Cagliari Elmas

Thu 9/25

7:25 pm-1:40 pm

2 stops24h 15m

$1,485

BostonCagliari

BOS - CAG

BOSCAG

Boston Logan Intl

Fri 6/6

7:13 am-8:50 pm

2 stops31h 37m

Cagliari Elmas

Tue 6/17

2:55 pm-10:53 pm

2 stops37h 58m

$3,005

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/26

Showing 1-10 of 12 results
1
2

Compare providers for flights from Boston to Cagliari

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 Boston to Cagliari in March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust 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 Boston-Cagliari flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Boston-Cagliari flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Boston-Cagliari flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Boston-Cagliari 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 Boston-Cagliari 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 Boston to Cagliari

Have a flexible travel schedule? Discover the best time to fly to Cagliari from Boston 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 Boston to Cagliari

What is the cheapest time of day to fly from BOS to CAG?

Find hourly flight availability from Boston to Cagliari. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated March 27, 2025.

When flying from Boston to Cagliari, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 28% versus a flight at noon.

Rainfall in Cagliari by month

Plan your trip to Cagliari by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Cagliari ranges from 0.1 - 2.2 inches per month. February is typically the wettest month, when rainfall can reach 2.2 in. July is typically the driest time to visit Cagliari when rainfall is around 0.1 in.

Temperature in Cagliari by month

Plan your trip to Cagliari by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Cagliari, 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 75.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 50.0 F).

Reviews of airlines servicing Cagliari

Get insights into the airlines that provide service to Cagliari. 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 Cagliari. Reviews last updated March 27, 2025.
Delta
8.0
Very good
7,895 reviews

Entertainment

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Overall

8.0

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,895 reviews
Delta
8.0
Very good
7,895 reviews

Entertainment

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Overall

8.0

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
KLM
7.8
Good
1,319 reviews
Delta
8.0
Very good
7,895 reviews

Entertainment

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Overall

8.0

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
SWISS
7.5
Good
1,569 reviews
Delta
8.0
Very good
7,895 reviews

Entertainment

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Overall

8.0

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Air France
7.4
Good
1,424 reviews
Delta
8.0
Very good
7,895 reviews

Entertainment

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Overall

8.0

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Vueling
7.1
Good
1,146 reviews
Delta
8.0
Very good
7,895 reviews

Entertainment

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Overall

8.0

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

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

  • What are the cheapest airlines flying from Boston to Cagliari round-trip?

    Our cheapest airline available from Boston to Cagliari is Vueling. Our recent data shows that you can find tickets from as low as $645 on this airline. Additional options worth looking into are Iberia and SWISS, starting at $916 and $985 round-trip.

  • What are the cheapest airlines to fly from Boston to Cagliari one-way?

    The cheapest airline one-way is SWISS, with whom users have recently found tickets for as low as $566. However, be on the lookout for offers from Lufthansa and Vueling, as they are both options that can get you from Boston to Cagliari for a low price.

  • Can I find deals for flights from Boston to Cagliari that include hotel bookings?

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

  • How can I find direct flights from Boston to Cagliari?

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

  • Can I find deals for business class flights from Boston to Cagliari?

    Yes. Cheapflights offers flight deals from Boston to Cagliari 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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Oristano
Pula

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Alternative routes for Boston to Cagliari

See prices for flight routes from nearby airports that may be better suited for you.
Boston to Olbia flights
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Hartford to Olbia flights

Top 4 airlines flying from Boston to Cagliari

Discover the top 4 airlines that operate flights from Boston to Cagliari. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated March 27, 2025.
AirlineCheapestAverageFlexibilityOn-time
VuelingCheapest$530Average$846FlexibilityNo cancel feeOn-time88%
ITA AirwaysCheapest$796Average$1,052FlexibilityNo cancel feeOn-time81%
LufthansaCheapest$796Average$1,140FlexibilityNo cancel feeOn-time76%
DeltaCheapest$1,036Average$1,162FlexibilityNo cancel feeOn-timeN/A
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