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Cheap flights from Rhode Island to Costa Rica from $157

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 Costa Rica departing on 11/17. 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
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Rhode Island to Costa Rica

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
6:00 am - 1:18 pmBOS  Boston Logan Intl-LIR Liberia
9h 18m2 stops Philadelphia Miami
American Airlines Logo
2:47 pm - 10:14 amLIR  Liberia-BOS Boston Logan Intl
17h 27m1 stop Miami
$344American Airlines
Mon, Sep 14 - Wed, Sep 23
American Airlines Logo
6:00 am - 1:18 pmBOS  Boston Logan Intl-LIR Liberia
9h 18m1 stop Miami
American Airlines Logo
2:47 pm - 12:59 amLIR  Liberia-BOS Boston Logan Intl
8h 12m1 stop Miami
$344American Airlines
Mon, Sep 14 - Wed, Sep 23
United Airlines Logo
7:15 am - 6:37 pmBOS  Boston Logan Intl-LIR Liberia
12h 22m1 stop Houston George Bush Intcntl
United Airlines Logo
5:20 pm - 10:51 amLIR  Liberia-BOS Boston Logan Intl
16h 31m1 stop Newark
$352United Airlines
Sun, Nov 8 - Wed, Nov 11
United Airlines Logo
8:00 pm - 11:44 amBOS  Boston Logan Intl-LIR Liberia
16h 44m1 stop Newark
United Airlines Logo
5:15 pm - 8:44 amLIR  Liberia-BOS Boston Logan Intl
14h 29m1 stop Newark
$352United Airlines
Sun, Dec 6 - Fri, Dec 11
Air Canada Logo
6:50 pm - 11:50 amBOS  Boston Logan Intl-LIR Liberia
19h 00m2 stops Montreal Pierre Elliott Trudeau Intl Toronto Pearson Intl
Air Canada Logo
2:10 pm - 10:17 amLIR  Liberia-BOS Boston Logan Intl
18h 07m1 stop Toronto Pearson Intl
$379Air Canada
Fri, Oct 23 - Wed, Oct 28
Air Canada Logo
3:30 pm - 2:20 pmBOS  Boston Logan Intl-LIR Liberia
23h 50m1 stop Montreal Pierre Elliott Trudeau Intl
Air Canada Logo
3:10 pm - 10:37 pmLIR  Liberia-BOS Boston Logan Intl
30h 27m1 stop Toronto Pearson Intl
$380Air Canada
Mon, Nov 2 - Sat, Nov 7
Copa Airlines Logo
3:55 pm - 9:04 amBOS  Boston Logan Intl-SJO San José Juan Santamaria Intl
19h 09m1 stop Panama City Tocumen Intl
Copa Airlines Logo
10:03 am - 11:02 pmSJO  San José Juan Santamaria Intl-BOS Boston Logan Intl
10h 59m1 stop Panama City Tocumen Intl
$384Copa Airlines
Thu, Sep 24 - Sun, Sep 27
Copa Airlines Logo
2:50 pm - 7:02 amBOS  Boston Logan Intl-SJO San José Juan Santamaria Intl
17h 12m1 stop Panama City Tocumen Intl
Copa Airlines Logo
5:55 pm - 10:01 pmSJO  San José Juan Santamaria Intl-BOS Boston Logan Intl
27h 06m1 stop Panama City Tocumen Intl
$384Copa Airlines
Tue, Nov 10 - Tue, Nov 17
Avianca Logo
3:25 pm - 11:40 pmBOS  Boston Logan Intl-SJO San José Juan Santamaria Intl
9h 15m1 stop San Salvador El Salvador Intl
Avianca Logo
5:00 am - 1:50 pmSJO  San José Juan Santamaria Intl-BOS Boston Logan Intl
7h 50m1 stop San Salvador El Salvador Intl
$389Avianca
Mon, Feb 1 - Mon, Mar 1
Avianca Logo
3:25 pm - 11:40 pmBOS  Boston Logan Intl-SJO San José Juan Santamaria Intl
9h 15m1 stop San Salvador El Salvador Intl
Avianca Logo
5:00 am - 1:50 pmSJO  San José Juan Santamaria Intl-BOS Boston Logan Intl
7h 50m1 stop San Salvador El Salvador Intl
$389Avianca
Mon, Jan 25 - Mon, Feb 1

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Copa Airlines flights from Rhode Island to Costa Rica

Our best Copa Airlines deals on Rhode Island to Costa Rica flight tickets
Copa Airlines
Nov 10
BOS2:50 pmBoston Logan Intl
17h 12m
1 stop
SJO7:02 amSan José Juan Santamaria Intl
Nov 17
SJO5:55 pmSan José Juan Santamaria Intl
27h 06m
1 stop
BOS10:01 pmBoston Logan Intl
$384
Copa Airlines
Aug 24
BOS3:57 pmBoston Logan Intl
17h 13m
1 stop
SJO7:10 amSan José Juan Santamaria Intl
Aug 26
SJO5:55 pmSan José Juan Santamaria Intl
18h 39m
1 stop
BOS2:34 pmBoston Logan Intl
$399
Copa Airlines
Dec 3
BOS2:43 pmBoston Logan Intl
17h 22m
1 stop
SJO7:05 amSan José Juan Santamaria Intl
Dec 9
SJO4:00 amSan José Juan Santamaria Intl
17h 02m
1 stop
BOS10:02 pmBoston Logan Intl
$403

United Airlines flights from Rhode Island to Costa Rica

Our best United Airlines deals on Rhode Island to Costa Rica flight tickets
United Airlines
Oct 21
BOS9:30 amBoston Logan Intl
12h 07m
2 stops
SJO7:37 pmSan José Juan Santamaria Intl
Oct 29
SJO11:35 amSan José Juan Santamaria Intl
9h 50m
1 stop
BOS11:25 pmBoston Logan Intl
$386
United Airlines
Nov 14
BOS5:30 amBoston Logan Intl
8h 30m
1 stop
SJO1:00 pmSan José Juan Santamaria Intl
Nov 21
SJO11:28 pmSan José Juan Santamaria Intl
11h 58m
1 stop
BOS12:26 pmBoston Logan Intl
$396
United Airlines
Jan 19
BOS11:45 amBoston Logan Intl
9h 54m
1 stop
SJO8:39 pmSan José Juan Santamaria Intl
Jan 24
SJO1:15 amSan José Juan Santamaria Intl
11h 47m
2 stops
BOS2:02 pmBoston Logan Intl
$401

momondo Fare Finder

 
Customize your flight search to find flights from Rhode Island to Costa Rica 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 11, 2026.
Use the filters below to find and compare flights from Rhode Island to Costa Rica that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BostonLiberia

BOS Boston Logan Intl - LIR Liberia

BOSLIR

Boston Logan Intl

Mon 9/14

6:00 am-1:18 pm

2 stops9h 18m

Liberia

Wed 9/23

2:47 pm-10:14 am

1 stop17h 27m

$344

BostonLiberia

BOS Boston Logan Intl - LIR Liberia

BOSLIR

Boston Logan Intl

Mon 9/14

6:00 am-1:18 pm

1 stop9h 18m

Liberia

Wed 9/23

2:47 pm-12:59 am

1 stop8h 12m

$344

BostonLiberia

BOS Boston Logan Intl - LIR Liberia

BOSLIR

Boston Logan Intl

Sun 11/8

7:15 am-6:37 pm

1 stop12h 22m

Liberia

Wed 11/11

5:20 pm-10:51 am

1 stop16h 31m

$352

BostonLiberia

BOS Boston Logan Intl - LIR Liberia

BOSLIR

Boston Logan Intl

Sun 12/6

8:00 pm-11:44 am

1 stop16h 44m

Liberia

Fri 12/11

5:15 pm-8:44 am

1 stop14h 29m

$352

BostonLiberia

BOS Boston Logan Intl - LIR Liberia

BOSLIR

Boston Logan Intl

Fri 10/23

6:50 pm-11:50 am

2 stops19h 00m

Liberia

Wed 10/28

2:10 pm-10:17 am

1 stop18h 07m

$379

BostonLiberia

BOS Boston Logan Intl - LIR Liberia

BOSLIR

Boston Logan Intl

Mon 11/2

3:30 pm-2:20 pm

1 stop23h 50m

Liberia

Sat 11/7

3:10 pm-10:37 pm

1 stop30h 27m

$380

BostonSan José

BOS Boston Logan Intl - SJO San José Juan Santamaria Intl

BOSSJO

Boston Logan Intl

Thu 9/24

3:55 pm-9:04 am

1 stop19h 09m

San José Juan Santamaria Intl

Sun 9/27

10:03 am-11:02 pm

1 stop10h 59m

$384

BostonSan José

BOS Boston Logan Intl - SJO San José Juan Santamaria Intl

BOSSJO

Boston Logan Intl

Tue 11/10

2:50 pm-7:02 am

1 stop17h 12m

San José Juan Santamaria Intl

Tue 11/17

5:55 pm-10:01 pm

1 stop27h 06m

$384
Quickest round-trip

BostonSan José

BOS Boston Logan Intl - SJO San José Juan Santamaria Intl

BOSSJO

Boston Logan Intl

Mon 2/1

3:25 pm-11:40 pm

1 stop9h 15m

San José Juan Santamaria Intl

Mon 3/1

5:00 am-1:50 pm

1 stop7h 50m

$389

BostonSan José

BOS Boston Logan Intl - SJO San José Juan Santamaria Intl

BOSSJO

Boston Logan Intl

Mon 1/25

3:25 pm-11:40 pm

1 stop9h 15m

San José Juan Santamaria Intl

Mon 2/1

5:00 am-1:50 pm

1 stop7h 50m

$389

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Costa Rica from

How to get the cheapest flight ticket from Rhode Island to Costa Rica

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 month to fly to Costa Rica?

The cheapest month to fly to Costa Rica from Rhode Island is in September. Flight prices, which tend to average around $436, are often lower during this time because this is during the off-season. If you’re not able to fly to Costa Rica in September, then January is your next best option. Flight prices from Rhode Island to Costa Rica during January average around $523.

How far in advance should I book a flight from Rhode Island to Costa Rica?

You are more likely to see cheaper flights to Costa Rica from Rhode Island when booking weeks ahead of your departure date. In general, you can expect to find flights to Costa Rica for around $468 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Costa Rica from Rhode Island for as low as $394 on momondo.

Can stopping save me money on Rhode Island to Costa Rica flights?

You could potentially save up to 26% on your flight if you consider stops on a Rhode Island to Costa Rica flight.

Cheap Rhode Island to Costa Rica flight deals and tips

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

Fastest flight time

5h 49m

Direct flights

Every day

Airports in Costa Rica

40 airports
The fastest flight from Rhode Island to Costa Rica takes 5h 49m
Direct flights go from Rhode Island to Costa Rica every day.
There are 40 airports in Costa Rica. From Rhode Island there are direct flights to Liberia (LIR).
Search flight deals

Frequently asked questions about flying from Rhode Island to Costa Rica

  • When did momondo last update prices for flights from Rhode Island to Costa Rica?

    Prices for flights from Rhode Island to Costa Rica refresh daily.

  • How many operators does momondo search for flights from Rhode Island to Costa Rica?

  • How old do you have to be to fly from Rhode Island to Costa Rica?

    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 Costa Rica.

  • What documentation or ID do you need to fly to Costa Rica?

    The necessary travel and health documents for your Costa Rica trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Rhode Island to Costa Rica

Compare and see reviews for airlines that fly from Rhode Island to Costa Rica with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $160Free CancellationRating
7.8
8,504 reviews
Search Delta flights
JetBluePriceFrom $293Free CancellationRating
7.1
3,034 reviews
Search JetBlue flights
American AirlinesPriceFrom $312Free CancellationRating
7.1
11,903 reviews
Search American Airlines flights
SouthwestPriceFrom $445Free CancellationRating
8.0
4,220 reviews
Search Southwest flights

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Rhode Island to Costa Rica. momondo saves you time and could save you money on your trip.

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

Yes. All flights to Costa Rica 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 Costa Rica?

Once you have performed a search for Rhode Island to Costa Rica flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

If you are not ready to book a flight from Rhode Island to Costa Rica now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Costa Rica and let you know when they change.

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