Latest deals
Insights
FAQs
Price Alerts

Cheap flights from Rhode Island to Kos from $686

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Rhode Island to Kos departing on 7/5. 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

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

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
10:45 pm - 11:15 pm
BOS
-
KGS
17h 30m
2 stops
Multiple Airlines Logo
8:35 am - 10:38 pm
KGS
-
BOS
21h 03m
2 stops
$1,187Multiple Airlines
Sun, Jun 21 - Tue, Jun 30
Multiple Airlines Logo
10:50 am - 8:00 pm
BOS
-
KGS
26h 10m
3 stops
Multiple Airlines Logo
8:35 am - 10:38 pm
KGS
-
BOS
21h 03m
2 stops
$1,188Multiple Airlines
Sun, Jun 21 - Tue, Jun 30
Multiple Airlines Logo
10:50 am - 8:00 pm
BOS
-
KGS
26h 10m
3 stops
Multiple Airlines Logo
8:35 am - 10:38 pm
KGS
-
BOS
21h 03m
3 stops
$1,192Multiple Airlines
Sun, Jun 21 - Tue, Jun 30
Multiple Airlines Logo
5:05 pm - 11:15 pm
BOS
-
KGS
23h 10m
1 stop
Multiple Airlines Logo
10:15 pm - 6:50 pm
KGS
-
BOS
27h 35m
2 stops
$1,403Multiple Airlines
Sun, Jun 21 - Tue, Jun 30
Multiple Airlines Logo
8:05 pm - 5:30 pm
BOS
-
KGS
14h 25m
2 stops
Multiple Airlines Logo
1:30 pm - 8:10 pm
KGS
-
BOS
13h 40m
1 stop
$1,436Multiple Airlines
Mon, Jul 20 - Wed, Aug 5
Emirates Logo
11:05 pm - 12:35 am
BOS
-
KGS
42h 30m
2 stops
Emirates Logo
1:05 pm - 2:10 pm
KGS
-
BOS
32h 05m
2 stops
$1,774Emirates
Wed, May 6 - Sun, May 10
Emirates Logo
11:05 pm - 12:35 am
BOS
-
KGS
42h 30m
2 stops
Emirates Logo
1:05 pm - 2:10 pm
KGS
-
BOS
32h 05m
2 stops
$1,818Emirates
Wed, May 6 - Sun, May 10
Multiple Airlines Logo
5:20 pm - 7:55 pm
BOS
-
KGS
19h 35m
1 stop
Multiple Airlines Logo
10:25 pm - 2:52 pm
KGS
-
BOS
47h 27m
2 stops
$2,543Multiple Airlines
Fri, Apr 17 - Mon, Apr 27
Multiple Airlines Logo
9:55 pm - 1:20 pm
BOS
-
KGS
32h 25m
1 stop
Multiple Airlines Logo
2:20 pm - 10:35 pm
KGS
-
BOS
15h 15m
1 stop
$3,506Multiple Airlines
Sun, Jun 21 - Tue, Jun 30
Multiple Airlines Logo
3:35 pm - 7:45 pm
BOS
-
KGS
21h 10m
2 stops
Multiple Airlines Logo
7:30 pm - 3:10 pm
KGS
-
BOS
26h 40m
2 stops
$4,086Multiple Airlines
Fri, Apr 17 - Mon, Apr 27

Emirates flights from Rhode Island to Kos

Our best Emirates deals on Rhode Island to Kos flight tickets
Emirates
May 6
BOS11:05 pmBoston Logan Intl
42h 30m
2 stops
KGS12:35 amKos
May 10
KGS1:05 pmKos
32h 05m
2 stops
BOS2:10 pmBoston Logan Intl
$1,774
Emirates
May 6
BOS11:05 pmBoston Logan Intl
42h 30m
2 stops
KGS12:35 amKos
May 10
KGS1:05 pmKos
32h 05m
2 stops
BOS2:10 pmBoston Logan Intl
$1,818
Emirates
Jul 20
BOS11:05 pmBoston Logan Intl
35h 25m
2 stops
KGS5:30 pmKos
Aug 5
KGS12:35 pmKos
32h 35m
2 stops
BOS2:10 pmBoston Logan Intl
$5,360

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 February 8, 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

BostonKos

BOS - KGS

BOSKGS

Boston Logan Intl

Sun 6/21

10:45 pm-11:15 pm

2 stops17h 30m

Kos

Tue 6/30

8:35 am-10:38 pm

2 stops21h 03m

$1,187

BostonKos

BOS - KGS

BOSKGS

Boston Logan Intl

Sun 6/21

10:50 am-8:00 pm

3 stops26h 10m

Kos

Tue 6/30

8:35 am-10:38 pm

2 stops21h 03m

$1,188

BostonKos

BOS - KGS

BOSKGS

Boston Logan Intl

Sun 6/21

10:50 am-8:00 pm

3 stops26h 10m

Kos

Tue 6/30

8:35 am-10:38 pm

3 stops21h 03m

$1,192

BostonKos

BOS - KGS

BOSKGS

Boston Logan Intl

Sun 6/21

5:05 pm-11:15 pm

1 stop23h 10m

Kos

Tue 6/30

10:15 pm-6:50 pm

2 stops27h 35m

$1,403

BostonKos

BOS - KGS

BOSKGS

Boston Logan Intl

Mon 7/20

8:05 pm-5:30 pm

2 stops14h 25m

Kos

Wed 8/5

1:30 pm-8:10 pm

1 stop13h 40m

$1,436

BostonKos

BOS - KGS

BOSKGS

Boston Logan Intl

Wed 5/6

11:05 pm-12:35 am

2 stops42h 30m

Kos

Sun 5/10

1:05 pm-2:10 pm

2 stops32h 05m

$1,774

BostonKos

BOS - KGS

BOSKGS

Boston Logan Intl

Wed 5/6

11:05 pm-12:35 am

2 stops42h 30m

Kos

Sun 5/10

1:05 pm-2:10 pm

2 stops32h 05m

$1,818

BostonKos

BOS - KGS

BOSKGS

Boston Logan Intl

Fri 4/17

5:20 pm-7:55 pm

1 stop19h 35m

Kos

Mon 4/27

10:25 pm-2:52 pm

2 stops47h 27m

$2,543

BostonKos

BOS - KGS

BOSKGS

Boston Logan Intl

Sun 6/21

9:55 pm-1:20 pm

1 stop32h 25m

Kos

Tue 6/30

2:20 pm-10:35 pm

1 stop15h 15m

$3,506

BostonKos

BOS - KGS

BOSKGS

Boston Logan Intl

Fri 4/17

3:35 pm-7:45 pm

2 stops21h 10m

Kos

Mon 4/27

7:30 pm-3:10 pm

2 stops26h 40m

$4,086

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 resultsSorted by cheapest first
1
2

See travel insights to Kos from

How to get the cheapest flight ticket from Rhode Island to Kos

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 airline that flies from Rhode Island to Kos?

Austrian Airlines is the most popular carrier operating from Rhode Island to Kos

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 53m

Direct flights

None
The fastest flight from Rhode Island to Kos takes 14h 53m
There are no direct flights from Rhode Island to Kos. There are no popular flight routes from Rhode Island to Kos.
Search flight deals

  • 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.

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.

An easier way to manage your Kos trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Tue 3/10
Tue 3/17
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Greece