Cheap flights from Rhode Island to Kos from $1,206

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Rhode Island to Kos departing on 8/19. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Rhode Island to Kos

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
6:05 pm - 4:20 pm
BOS
-
KGS
15h 15m
2 stops
Multiple Airlines Logo
10:40 am - 4:55 pm
KGS
-
BOS
37h 15m
2 stops
$1,206Multiple Airlines
Wed, Aug 19 - Sat, Aug 29
Multiple Airlines Logo
6:05 pm - 9:55 pm
BOS
-
KGS
20h 50m
3 stops
Multiple Airlines Logo
10:40 am - 4:55 pm
KGS
-
BOS
37h 15m
2 stops
$1,285Multiple Airlines
Wed, Aug 19 - Sat, Aug 29
Multiple Airlines Logo
4:45 pm - 6:55 pm
BOS
-
KGS
19h 10m
1 stop
Multiple Airlines Logo
10:40 am - 10:35 pm
KGS
-
BOS
18h 55m
2 stops
$1,359Multiple Airlines
Wed, Aug 19 - Sat, Aug 29
Multiple Airlines Logo
4:45 pm - 6:55 pm
BOS
-
KGS
19h 10m
1 stop
Multiple Airlines Logo
2:05 pm - 10:35 pm
KGS
-
BOS
15h 30m
1 stop
$1,519Multiple Airlines
Wed, Aug 19 - Sat, Aug 29
SWISS Logo
9:40 pm - 10:10 am
BOS
-
KGS
29h 30m
1 stop
SWISS Logo
3:15 pm - 3:10 pm
KGS
-
BOS
30h 55m
1 stop
$1,649SWISS
Sat, Aug 8 - Sun, Aug 23
Multiple Airlines Logo
9:40 pm - 10:10 am
BOS
-
KGS
29h 30m
1 stop
Multiple Airlines Logo
10:00 am - 5:55 pm
KGS
-
BOS
38h 55m
2 stops
$1,667Multiple Airlines
Sat, Aug 8 - Sun, Aug 23
SWISS Logo
9:40 pm - 10:10 am
BOS
-
KGS
29h 30m
1 stop
SWISS Logo
3:15 pm - 3:10 pm
KGS
-
BOS
30h 55m
1 stop
$1,702SWISS
Sat, Aug 8 - Sun, Aug 23
Multiple Airlines Logo
8:05 pm - 10:25 am
BOS
-
KGS
31h 20m
2 stops
Multiple Airlines Logo
10:00 am - 5:55 pm
KGS
-
BOS
38h 55m
2 stops
$1,709Multiple Airlines
Sat, Aug 8 - Sun, Aug 23
Multiple Airlines Logo
9:40 pm - 10:10 am
BOS
-
KGS
29h 30m
1 stop
Multiple Airlines Logo
10:00 am - 5:55 pm
KGS
-
BOS
38h 55m
2 stops
$1,719Multiple Airlines
Sat, Aug 8 - Sun, Aug 23
Brussels Airlines Logo
8:05 pm - 10:25 am
BOS
-
KGS
31h 20m
2 stops
Brussels Airlines Logo
11:25 am - 5:40 pm
KGS
-
BOS
37h 15m
2 stops
$1,721Brussels Airlines
Sat, Aug 8 - Sun, Aug 23

SWISS flights from Rhode Island to Kos

Our best SWISS deals on Rhode Island to Kos flight tickets
SWISS
Aug 8
BOS9:40 pmBoston Logan Intl
29h 30m
1 stop
KGS10:10 amKos
Aug 23
KGS3:15 pmKos
30h 55m
1 stop
BOS3:10 pmBoston Logan Intl
$1,649
SWISS
Aug 8
BOS9:40 pmBoston Logan Intl
29h 30m
1 stop
KGS10:10 amKos
Aug 23
KGS3:15 pmKos
30h 55m
1 stop
BOS3:10 pmBoston Logan Intl
$1,702

momondo Fare Finder

 
Customize your flight search to find flights from Rhode Island to Kos 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 March 26, 2026.
Use the filters below to find and compare flights from Rhode Island to Kos that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BostonKos

BOS - KGS

BOSKGS

Boston Logan Intl

Wed 8/19

6:05 pm-4:20 pm

2 stops15h 15m

Kos

Sat 8/29

10:40 am-4:55 pm

2 stops37h 15m

$1,206

BostonKos

BOS - KGS

BOSKGS

Boston Logan Intl

Wed 8/19

6:05 pm-9:55 pm

3 stops20h 50m

Kos

Sat 8/29

10:40 am-4:55 pm

2 stops37h 15m

$1,285

BostonKos

BOS - KGS

BOSKGS

Boston Logan Intl

Wed 8/19

4:45 pm-6:55 pm

1 stop19h 10m

Kos

Sat 8/29

10:40 am-10:35 pm

2 stops18h 55m

$1,359
Quickest round-trip

BostonKos

BOS - KGS

BOSKGS

Boston Logan Intl

Wed 8/19

4:45 pm-6:55 pm

1 stop19h 10m

Kos

Sat 8/29

2:05 pm-10:35 pm

1 stop15h 30m

$1,519

BostonKos

BOS - KGS

BOSKGS

Boston Logan Intl

Sat 8/8

9:40 pm-10:10 am

1 stop29h 30m

Kos

Sun 8/23

3:15 pm-3:10 pm

1 stop30h 55m

$1,649

BostonKos

BOS - KGS

BOSKGS

Boston Logan Intl

Sat 8/8

9:40 pm-10:10 am

1 stop29h 30m

Kos

Sun 8/23

10:00 am-5:55 pm

2 stops38h 55m

$1,667

BostonKos

BOS - KGS

BOSKGS

Boston Logan Intl

Sat 8/8

9:40 pm-10:10 am

1 stop29h 30m

Kos

Sun 8/23

3:15 pm-3:10 pm

1 stop30h 55m

$1,702

BostonKos

BOS - KGS

BOSKGS

Boston Logan Intl

Sat 8/8

8:05 pm-10:25 am

2 stops31h 20m

Kos

Sun 8/23

10:00 am-5:55 pm

2 stops38h 55m

$1,709

BostonKos

BOS - KGS

BOSKGS

Boston Logan Intl

Sat 8/8

9:40 pm-10:10 am

1 stop29h 30m

Kos

Sun 8/23

10:00 am-5:55 pm

2 stops38h 55m

$1,719

BostonKos

BOS - KGS

BOSKGS

Boston Logan Intl

Sat 8/8

8:05 pm-10:25 am

2 stops31h 20m

Kos

Sun 8/23

11:25 am-5:40 pm

2 stops37h 15m

$1,721

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

Cheap Rhode Island to Kos flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Rhode Island to Kos

Fastest flight time

14h 57m

Direct flights

None
The fastest flight from Rhode Island to Kos takes 14h 57m
There are no direct flights from Rhode Island to Kos. There are no popular flight routes from Rhode Island to Kos.
  • When did momondo last update prices for flights from Rhode Island to Kos Airport?

    Prices for flights from Rhode Island to Kos Airport were last updated today.

  • How old do you have to be to fly from Rhode Island to Kos Airport?

    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 Rhode Island to Kos Airport.

  • What documentation or ID do you need to fly to Kos Airport?

    The required travel and health documents for your Kos Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Kos Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • How do I get Price Alerts for flights from Rhode Island to Kos?

    Search flight deals from Rhode Island to Kos. While viewing offers you’ll have the option to create a Price Alert.

  • How can I save money on flights from Rhode Island to Kos with momondo?

    By using tools like our “Price Calendar”, you can see the best day to fly round-trip for your travels. Our “Price Forecast” tool uses AI to predict whether you should purchase or hold off on booking for potentially cheaper prices. Explore shows you all flight options from a city or airport to build your own unique adventure. The Discover blog also provides valuable insights for saving money while booking your experience. After searching you can toggle on “Price Alerts” to track prices for your desired flight and book at the ideal moment.

  • How does momondo find its flight prices?

    We aggregate our prices from over 700+ competitors from airlines to OTAs. We operate in over 30 markets worldwide to show you a wide range of travel options.

Traveling to a place near Kos?

Book flights to Kos if you plan to visit one of these locations
Kardamena
Marmari

Why use momondo?

Why should I use momondo to find a flight deal from Rhode Island to Kos?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Kos from Rhode Island.

Can I find flights from Rhode Island to Kos with flexible booking policies on momondo?

Yes. All flights to Kos from Rhode Island on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Rhode Island to Kos?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Kos from Rhode Island.

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

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

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1 adult
Sat 4/25
Sat 5/2

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