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Cheap flights from Boston to Sardinia from $445

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Boston to Sardinia departing on 8/23. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Boston to Sardinia

Cheap round-trip flights

Logo
4:30 pm - 12:25 pmBOS-CAG
13h 55m1 stop
Logo
8:15 am - 3:00 pmCAG-BOS
12h 45m1 stop
$467
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Wed, Oct 1 - Wed, Oct 8
Logo
4:30 pm - 12:25 pmBOS-CAG
13h 55m1 stop
Logo
8:15 am - 3:00 pmCAG-BOS
12h 45m1 stop
$475
Find Deal
Wed, Oct 1 - Wed, Oct 8
Iberia Logo
11:00 pm - 10:55 pmBOS-CAG
17h 55m1 stop
Iberia Logo
9:35 pm - 9:15 pmCAG-BOS
29h 40m1 stop
$531Iberia
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Tue, Sep 30 - Thu, Oct 9
SWISS Logo
9:40 pm - 9:15 amBOS-CAG
29h 35m1 stop
SWISS Logo
9:10 pm - 7:55 pmCAG-BOS
28h 45m1 stop
$534SWISS
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Mon, Aug 25 - Mon, Sep 8
SWISS Logo
9:40 pm - 9:15 amBOS-CAG
29h 35m1 stop
SWISS Logo
9:10 pm - 7:55 pmCAG-BOS
28h 45m1 stop
$541SWISS
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Mon, Sep 15 - Mon, Sep 22
Iberia Logo
11:00 pm - 3:30 pmBOS-CAG
10h 30m1 stop
Iberia Logo
9:35 pm - 9:15 pmCAG-BOS
29h 40m1 stop
$566Iberia
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Tue, Aug 26 - Thu, Sep 11
British Airways Logo
6:29 pm - 8:25 pmBOS-OLB
19h 56m2 stops
British Airways Logo
7:35 pm - 11:15 amOLB-BOS
21h 40m1 stop
$573British Airways
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Sun, Sep 7 - Tue, Sep 16
British Airways Logo
7:25 am - 8:25 pmBOS-OLB
31h 00m1 stop
British Airways Logo
7:35 pm - 2:23 pmOLB-BOS
24h 48m2 stops
$574British Airways
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Sun, Sep 7 - Tue, Sep 16
Lufthansa Logo
8:05 pm - 5:35 pmBOS-CAG
15h 30m1 stop
Lufthansa Logo
7:25 pm - 5:40 pmCAG-BOS
28h 15m2 stops
$576Lufthansa
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Tue, Sep 30 - Thu, Oct 9
Lufthansa Logo
8:05 pm - 4:35 pmBOS-OLB
14h 30m1 stop
Lufthansa Logo
6:30 pm - 4:00 pmOLB-BOS
27h 30m1 stop
$612Lufthansa
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Sat, Sep 20 - Mon, Sep 29

Iberia flights from Boston to Sardinia

Our best Iberia deals on Boston to Sardinia flight tickets
Iberia
Sep 30
BOS11:00 pmBoston Logan Intl
17h 55m
1 stop
CAG10:55 pmCagliari Elmas
Oct 9
CAG9:35 pmCagliari Elmas
29h 40m
1 stop
BOS9:15 pmBoston Logan Intl
$531
Find similar
Iberia
Aug 26
BOS11:00 pmBoston Logan Intl
10h 30m
1 stop
CAG3:30 pmCagliari Elmas
Sep 11
CAG9:35 pmCagliari Elmas
29h 40m
1 stop
BOS9:15 pmBoston Logan Intl
$566
Find similar
Iberia
Aug 25
BOS9:20 pmBoston Logan Intl
15h 30m
1 stop
CAG6:50 pmCagliari Elmas
Sep 9
CAG9:30 pmCagliari Elmas
29h 45m
1 stop
BOS9:15 pmBoston Logan Intl
$567
Find similar

Lufthansa flights from Boston to Sardinia

Our best Lufthansa deals on Boston to Sardinia flight tickets
Lufthansa
Aug 27
BOS8:05 pmBoston Logan Intl
14h 30m
1 stop
OLB4:35 pmOlbia Costa Smeralda
Sep 15
OLB6:30 pmOlbia Costa Smeralda
27h 30m
1 stop
BOS4:00 pmBoston Logan Intl
$565
Find similar
Lufthansa
Aug 27
BOS8:05 pmBoston Logan Intl
14h 30m
1 stop
OLB4:35 pmOlbia Costa Smeralda
Sep 15
OLB6:30 pmOlbia Costa Smeralda
27h 30m
1 stop
BOS4:00 pmBoston Logan Intl
$573
Find similar
Lufthansa
Sep 30
BOS8:05 pmBoston Logan Intl
15h 30m
1 stop
CAG5:35 pmCagliari Elmas
Oct 9
CAG7:25 pmCagliari Elmas
28h 15m
2 stops
BOS5:40 pmBoston Logan Intl
$576
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Boston to Sardinia 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, momondo users made 832,500 searches. Data last updated August 20, 2025.
Use the filters below to find and compare flights from Boston to Sardinia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BostonCagliari

BOS - CAG

BOSCAG

Boston Logan Intl

Wed 10/1

4:30 pm-12:25 pm

1 stop13h 55m

Cagliari Elmas

Wed 10/8

8:15 am-3:00 pm

1 stop12h 45m

$467

BostonCagliari

BOS - CAG

BOSCAG

Boston Logan Intl

Wed 10/1

4:30 pm-12:25 pm

1 stop13h 55m

Cagliari Elmas

Wed 10/8

8:15 am-3:00 pm

1 stop12h 45m

$475

BostonCagliari

BOS - CAG

BOSCAG

Boston Logan Intl

Tue 9/30

11:00 pm-10:55 pm

1 stop17h 55m

Cagliari Elmas

Thu 10/9

9:35 pm-9:15 pm

1 stop29h 40m

$531

BostonCagliari

BOS - CAG

BOSCAG

Boston Logan Intl

Mon 8/25

9:40 pm-9:15 am

1 stop29h 35m

Cagliari Elmas

Mon 9/8

9:10 pm-7:55 pm

1 stop28h 45m

$534

BostonCagliari

BOS - CAG

BOSCAG

Boston Logan Intl

Mon 9/15

9:40 pm-9:15 am

1 stop29h 35m

Cagliari Elmas

Mon 9/22

9:10 pm-7:55 pm

1 stop28h 45m

$541

BostonCagliari

BOS - CAG

BOSCAG

Boston Logan Intl

Tue 8/26

11:00 pm-3:30 pm

1 stop10h 30m

Cagliari Elmas

Thu 9/11

9:35 pm-9:15 pm

1 stop29h 40m

$566

BostonOlbia

BOS - OLB

BOSOLB

Boston Logan Intl

Sun 9/7

6:29 pm-8:25 pm

2 stops19h 56m

Olbia Costa Smeralda

Tue 9/16

7:35 pm-11:15 am

1 stop21h 40m

$573

BostonOlbia

BOS - OLB

BOSOLB

Boston Logan Intl

Sun 9/7

7:25 am-8:25 pm

1 stop31h 00m

Olbia Costa Smeralda

Tue 9/16

7:35 pm-2:23 pm

2 stops24h 48m

$574

BostonCagliari

BOS - CAG

BOSCAG

Boston Logan Intl

Tue 9/30

8:05 pm-5:35 pm

1 stop15h 30m

Cagliari Elmas

Thu 10/9

7:25 pm-5:40 pm

2 stops28h 15m

$576

BostonOlbia

BOS - OLB

BOSOLB

Boston Logan Intl

Sat 9/20

8:05 pm-4:35 pm

1 stop14h 30m

Olbia Costa Smeralda

Mon 9/29

6:30 pm-4:00 pm

1 stop27h 30m

$612

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 resultsSorted by cheapest first
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See travel insights to Sardinia from

How to get the cheapest flight ticket from Boston to Sardinia

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to Sardinia?

The cheapest day to depart from Boston to Sardinia is on a Tuesday when prices can be found for as low as $1,091. On the other hand, Sunday is the most expensive day to depart from Boston because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $1,412.

What is the cheapest time of day to depart on your flight to Sardinia?

The cheapest time of day to fly to Sardinia is in the evening when flights can be purchased for as low as $1,209. Flights to Sardinia are more costly in the afternoon, with an average ticket price of $1,234. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.

Can stopping save me money on Boston to Sardinia flights?

You could potentially save up to 2% on your flight if you consider stops on a Boston to Sardinia flight.

Cheap Boston to Sardinia flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Boston to Sardinia

Direct flights

None
There are no direct flights from Boston to Sardinia. There are no popular flight routes from Boston to Sardinia.
Search flight deals

  • When did momondo last update prices for flights from Boston Logan Intl Airport to Sardinia?

    Prices for flights from Boston Logan Intl Airport to Sardinia refresh daily.

  • How many operators does momondo search for flights from Boston Logan Intl Airport to Sardinia?

  • How old do you have to be to fly from Boston Logan Intl Airport to Sardinia?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Boston Logan Intl Airport to Sardinia.

  • What documentation or ID do you need to fly to Sardinia?

    The travel and health documents required for your trip to Sardinia can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Sardinia. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Boston to Sardinia

Compare and see reviews for airlines that fly from Boston to Sardinia with momondo
Airline
Rating
Free Cancellation
Price
SWISSPriceFrom $525Free CancellationRating
7.6
1,699 reviews
Search SWISS flights
VuelingPriceFrom $573Free CancellationRating
7.1
1,179 reviews
Search Vueling flights
ITA AirwaysPriceFrom $613Free CancellationRating
6.7
1,021 reviews
Search ITA Airways flights
LufthansaPriceFrom $670Free CancellationRating
6.8
7,337 reviews
Search Lufthansa flights
British AirwaysPriceFrom $687Free CancellationRating
6.7
7,289 reviews
Search British Airways flights
IberiaPriceFrom $781Free CancellationRating
7.0
2,887 reviews
Search Iberia flights

Why use momondo?

Why should I use momondo to find a flight deal from Boston to Sardinia?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Boston to Sardinia for you.

Can I find flights from Boston to Sardinia with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Boston to Sardinia flights to just show those with flexible booking policies.

How can momondo help me find flights from Boston to Sardinia?

momondo helps you find the best flight between Boston and Sardinia by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

If you are simply researching potential flights to Sardinia, momondo offers a useful price alert feature which will track prices for flights to Sardinia from Boston and alert you when they change.

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