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Cagliari

$634+ Cheap flights from Boston (BOS) to Cagliari (CAG)

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 7/9. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — CAG
May 19 — May 261
Mon 5/19
Mon 5/26
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 May 14, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$634
(Flightnetwork)
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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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 May 14, 2025.

This Flightnetwork deal was found by Cheapflights users on 5/14. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/98:05 pmBOS - CAG
2 stops16h 30mMultiple Airlines
Wed 7/1611:40 pmCAG - BOS
1 stop27h 35mMultiple Airlines
Deal found 5/14$634
This Booking.com deal was found by Cheapflights users on 5/14. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/911:00 pmBOS - CAG
1 stop15h 50mVueling
Wed 7/1611:40 pmCAG - BOS
1 stop27h 35mVueling
Deal found 5/14$653
This Iberia deal was found by Cheapflights users on 5/13. 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.
Wed 8/274:30 pmBOS - CAG
1 stop20h 20mIberia
Sat 9/69:15 amCAG - BOS
1 stop18h 00mIberia
Deal found 5/13$695
This Gurufare deal was found by Cheapflights users on 5/13. 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.
Mon 6/307:40 pmBOS - CAG
1 stop12h 25mBritish Airways
Mon 7/78:00 pmCAG - BOS
2 stops33h 34mBritish Airways
Deal found 5/13$698
This Delta deal was found by Cheapflights users on 5/13. 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.
Sun 8/34:50 pmBOS - CAG
1 stop17h 35mDelta
Wed 8/135:05 pmCAG - BOS
2 stops20h 16mDelta
Deal found 5/13$710
This SWISS deal was found by Cheapflights users on 5/13. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/35:05 pmBOS - CAG
1 stop21h 20mSWISS
Wed 8/134:00 pmCAG - BOS
1 stop29h 25mSWISS
Deal found 5/13$727
This FlightHub deal was found by Cheapflights users on 5/13. 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.
Sun 8/310:00 pmBOS - CAG
2 stops13h 35mLufthansa
Wed 8/136:25 pmCAG - BOS
2 stops27h 15mLufthansa
Deal found 5/13$790
This KLM deal was found by Cheapflights users on 5/13. 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 stop31h 20mKLM
Deal found 5/13$1,048
This Austrian Airlines deal was found by Cheapflights users on 5/13. 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 Austrian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/271:30 pmBOS - CAG
2 stops37h 40mAustrian Airlines
Fri 7/49:55 amCAG - BOS
2 stops39h 01mAustrian Airlines
Deal found 5/13$1,620

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 May 14, 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

Wed 7/9

8:05 pm-6:35 pm

2 stops16h 30m

Cagliari Elmas

Wed 7/16

11:40 pm-9:15 pm

1 stop27h 35m

$634

BostonCagliari

BOS - CAG

BOSCAG

Boston Logan Intl

Wed 7/9

11:00 pm-8:50 pm

1 stop15h 50m

Cagliari Elmas

Wed 7/16

11:40 pm-9:15 pm

1 stop27h 35m

$653

BostonCagliari

BOS - CAG

BOSCAG

Boston Logan Intl

Mon 6/30

7:40 pm-2:05 pm

1 stop12h 25m

Cagliari Elmas

Mon 7/7

8:00 pm-11:34 pm

2 stops33h 34m

$698

BostonCagliari

BOS - CAG

BOSCAG

Boston Logan Intl

Sun 8/3

4:50 pm-4:25 pm

1 stop17h 35m

Cagliari Elmas

Wed 8/13

5:05 pm-7:21 am

2 stops20h 16m

$710

BostonCagliari

BOS - CAG

BOSCAG

Boston Logan Intl

Sun 8/3

5:05 pm-8:25 pm

1 stop21h 20m

Cagliari Elmas

Wed 8/13

4:00 pm-3:25 pm

1 stop29h 25m

$727

BostonCagliari

BOS - CAG

BOSCAG

Boston Logan Intl

Sun 8/3

10:00 pm-5:35 pm

2 stops13h 35m

Cagliari Elmas

Wed 8/13

6:25 pm-3:40 pm

2 stops27h 15m

$790

BostonCagliari

BOS - CAG

BOSCAG

Boston Logan Intl

Sat 8/2

9:20 pm-6:00 pm

1 stop14h 40m

Cagliari Elmas

Sat 8/9

9:15 am-9:15 pm

1 stop18h 00m

$906

BostonCagliari

BOS - CAG

BOSCAG

Boston Logan Intl

Fri 6/27

8:15 pm-10:20 am

1 stop32h 05m

Cagliari Elmas

Tue 7/15

5:05 pm-6:25 pm

1 stop31h 20m

$1,048

BostonCagliari

BOS - CAG

BOSCAG

Boston Logan Intl

Fri 6/27

1:30 pm-9:10 am

2 stops37h 40m

Cagliari Elmas

Fri 7/4

9:55 am-6:56 pm

2 stops39h 01m

$1,620

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/14

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 May.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
OvagoPrice Accuracy2 starsTrust Score*2 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 AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Boston-Cagliari flight deals on Cheapflights vs. AranGrant >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 AranGrant the most. AranGrant 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 May 14, 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 May 14, 2025.
Delta
8.0
Very good
7,946 reviews

Overall

8.0

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Food

7.3

Crew

8.5

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
7,946 reviews
Delta
8.0
Very good
7,946 reviews

Overall

8.0

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Food

7.3

Crew

8.5

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!
KLM
7.8
Good
1,343 reviews
Delta
8.0
Very good
7,946 reviews

Overall

8.0

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Food

7.3

Crew

8.5

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!
Austrian Airlines
7.6
Good
789 reviews
Delta
8.0
Very good
7,946 reviews

Overall

8.0

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Food

7.3

Crew

8.5

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!
SWISS
7.5
Good
1,595 reviews
Delta
8.0
Very good
7,946 reviews

Overall

8.0

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Food

7.3

Crew

8.5

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!
Vueling
7.1
Good
1,162 reviews
Delta
8.0
Very good
7,946 reviews

Overall

8.0

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Food

7.3

Crew

8.5

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

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 $653 on this airline. Additional options worth looking into are British Airways and Delta, starting at $698 and $710 round-trip.

  • 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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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.
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Top 3 airlines flying from Boston to Cagliari

Discover the top 3 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 May 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
VuelingCheapest$594Average$702FlexibilityNo cancel feeOn-time88%
ITA AirwaysCheapest$702Average$1,060FlexibilityNo cancel feeOn-time81%
LufthansaCheapest$792Average$1,111FlexibilityNo cancel feeOn-time76%

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