Cheap flights from Las Vegas to Costa Rica from $138

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Las Vegas to Costa Rica departing on 8/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
9:42 pm - 8:20 am
LAS
-
SJO
9h 38m
1 stop
Frontier Logo
9:35 am - 8:45 pm
SJO
-
LAS
12h 10m
1 stop
$324Frontier
Wed, Jul 29 - Sat, Aug 29
Frontier Logo
9:42 pm - 8:20 am
LAS
-
SJO
9h 38m
1 stop
Frontier Logo
9:35 am - 8:45 pm
SJO
-
LAS
12h 10m
1 stop
$330Frontier
Wed, Jul 29 - Mon, Aug 24
Viva Logo
3:20 pm - 1:15 am
LAS
-
SJO
8h 55m
1 stop
Viva Logo
2:20 am - 2:05 pm
SJO
-
LAS
12h 45m
1 stop
$340Viva
Mon, Jun 15 - Mon, Jun 29
Viva Logo
3:20 pm - 1:15 am
LAS
-
SJO
8h 55m
1 stop
Viva Logo
2:20 am - 2:05 pm
SJO
-
LAS
12h 45m
1 stop
$343Viva
Mon, Jun 15 - Mon, Jun 22
Viva Logo
3:20 pm - 1:15 am
LAS
-
SJO
8h 55m
1 stop
Viva Logo
2:20 am - 2:05 pm
SJO
-
LAS
12h 45m
1 stop
$344Viva
Fri, Jun 12 - Mon, Jun 22
Frontier Logo
9:42 pm - 8:20 am
LAS
-
SJO
9h 38m
1 stop
Frontier Logo
9:35 am - 8:45 pm
SJO
-
LAS
12h 10m
1 stop
$350Frontier
Wed, Jul 29 - Thu, Aug 27
United Airlines Logo
12:59 am - 9:50 am
LAS
-
LIR
7h 51m
1 stop
United Airlines Logo
8:30 am - 7:27 pm
LIR
-
LAS
11h 57m
1 stop
$456United Airlines
Tue, Jun 2 - Sun, Jun 7
American Airlines Logo
4:38 pm - 2:45 pm
LAS
-
LIR
21h 07m
1 stop
American Airlines Logo
1:21 pm - 8:05 am
LIR
-
LAS
20h 44m
2 stops
$471American Airlines
Sat, Oct 31 - Sat, Nov 14
United Airlines Logo
12:59 am - 9:50 am
LAS
-
LIR
7h 51m
1 stop
United Airlines Logo
11:10 am - 7:57 pm
LIR
-
LAS
9h 47m
1 stop
$489United Airlines
Thu, Jun 4 - Mon, Jun 8
American Airlines Logo
2:33 pm - 11:05 am
LAS
-
LIR
19h 32m
2 stops
American Airlines Logo
1:15 pm - 8:56 am
LIR
-
LAS
20h 41m
2 stops
$493American Airlines
Mon, Oct 12 - Fri, Oct 16

Frontier flights from Las Vegas to Costa Rica

Our best Frontier deals on Las Vegas to Costa Rica flight tickets
Frontier
Jul 29
LAS9:42 pmLas Vegas Harry Reid Intl
9h 38m
1 stop
SJO8:20 amSan José Juan Santamaria Intl
Aug 29
SJO9:35 amSan José Juan Santamaria Intl
12h 10m
1 stop
LAS8:45 pmLas Vegas Harry Reid Intl
$324
Frontier
Jul 29
LAS9:42 pmLas Vegas Harry Reid Intl
9h 38m
1 stop
SJO8:20 amSan José Juan Santamaria Intl
Aug 24
SJO9:35 amSan José Juan Santamaria Intl
12h 10m
1 stop
LAS8:45 pmLas Vegas Harry Reid Intl
$330
Frontier
Jul 29
LAS9:42 pmLas Vegas Harry Reid Intl
9h 38m
1 stop
SJO8:20 amSan José Juan Santamaria Intl
Aug 27
SJO9:35 amSan José Juan Santamaria Intl
12h 10m
1 stop
LAS8:45 pmLas Vegas Harry Reid Intl
$350

Alaska Airlines flights from Las Vegas to Costa Rica

Our best Alaska Airlines deals on Las Vegas to Costa Rica flight tickets
Alaska Airlines
May 23
LAS3:57 pmLas Vegas Harry Reid Intl
54h 36m
2 stops
SJO11:33 pmSan José Juan Santamaria Intl
May 31
SJO12:53 amSan José Juan Santamaria Intl
18h 52m
2 stops
LAS6:45 pmLas Vegas Harry Reid Intl
$476
Alaska Airlines
May 23
LAS3:57 pmLas Vegas Harry Reid Intl
54h 36m
2 stops
SJO11:33 pmSan José Juan Santamaria Intl
May 28
SJO12:53 amSan José Juan Santamaria Intl
42h 52m
2 stops
LAS6:45 pmLas Vegas Harry Reid Intl
$483
Alaska Airlines
May 13
LAS7:39 pmLas Vegas Harry Reid Intl
26h 54m
2 stops
SJO11:33 pmSan José Juan Santamaria Intl
May 22
SJO12:53 amSan José Juan Santamaria Intl
33h 10m
2 stops
LAS9:03 amLas Vegas Harry Reid Intl
$516

momondo Fare Finder

 
Customize your flight search to find flights from Las Vegas 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 May 13, 2026.
Use the filters below to find and compare flights from Las Vegas to Costa Rica that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Las VegasSan José

LAS - SJO

LASSJO

Las Vegas Harry Reid Intl

Wed 7/29

9:42 pm-8:20 am

1 stop9h 38m

San José Juan Santamaria Intl

Sat 8/29

9:35 am-8:45 pm

1 stop12h 10m

$324

Las VegasSan José

LAS - SJO

LASSJO

Las Vegas Harry Reid Intl

Wed 7/29

9:42 pm-8:20 am

1 stop9h 38m

San José Juan Santamaria Intl

Mon 8/24

9:35 am-8:45 pm

1 stop12h 10m

$330

Las VegasSan José

LAS - SJO

LASSJO

Las Vegas Harry Reid Intl

Mon 6/15

3:20 pm-1:15 am

1 stop8h 55m

San José Juan Santamaria Intl

Mon 6/29

2:20 am-2:05 pm

1 stop12h 45m

$340

Las VegasSan José

LAS - SJO

LASSJO

Las Vegas Harry Reid Intl

Mon 6/15

3:20 pm-1:15 am

1 stop8h 55m

San José Juan Santamaria Intl

Mon 6/22

2:20 am-2:05 pm

1 stop12h 45m

$343

Las VegasSan José

LAS - SJO

LASSJO

Las Vegas Harry Reid Intl

Fri 6/12

3:20 pm-1:15 am

1 stop8h 55m

San José Juan Santamaria Intl

Mon 6/22

2:20 am-2:05 pm

1 stop12h 45m

$344

Las VegasSan José

LAS - SJO

LASSJO

Las Vegas Harry Reid Intl

Wed 7/29

9:42 pm-8:20 am

1 stop9h 38m

San José Juan Santamaria Intl

Thu 8/27

9:35 am-8:45 pm

1 stop12h 10m

$350

Las VegasLiberia

LAS - LIR

LASLIR

Las Vegas Harry Reid Intl

Tue 6/2

12:59 am-9:50 am

1 stop7h 51m

Liberia

Sun 6/7

8:30 am-7:27 pm

1 stop11h 57m

$456

Las VegasLiberia

LAS - LIR

LASLIR

Las Vegas Harry Reid Intl

Sat 10/31

4:38 pm-2:45 pm

1 stop21h 07m

Liberia

Sat 11/14

1:21 pm-8:05 am

2 stops20h 44m

$471
Quickest round-trip

Las VegasLiberia

LAS - LIR

LASLIR

Las Vegas Harry Reid Intl

Thu 6/4

12:59 am-9:50 am

1 stop7h 51m

Liberia

Mon 6/8

11:10 am-7:57 pm

1 stop9h 47m

$489

Las VegasLiberia

LAS - LIR

LASLIR

Las Vegas Harry Reid Intl

Mon 10/12

2:33 pm-11:05 am

2 stops19h 32m

Liberia

Fri 10/16

1:15 pm-8:56 am

2 stops20h 41m

$493

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 Las Vegas 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 Las Vegas is in April. Flight prices, which tend to average around $136, are often lower during this time because this is during the off-season. If you’re not able to fly to Costa Rica in April, then May is your next best option. Flight prices from Las Vegas to Costa Rica during May average around $145.

What is the cheapest Las Vegas Harry Reid Intl to Costa Rica flight route?

Fly from Las Vegas Harry Reid Intl to San José Juan Santamaria Intl for the best Las Vegas Harry Reid Intl - Costa Rica flight prices

How far in advance should I book a flight from Las Vegas to Costa Rica?

You are more likely to see cheaper flights to Costa Rica from Las Vegas when booking weeks ahead of your departure date. In general, you can expect to find flights to Costa Rica for around $436 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Costa Rica from Las Vegas for as low as $340 on momondo.

Cheap Las Vegas to Costa Rica flight deals and tips

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

Fastest flight time

5h 25m

Direct flights

Every day

Airports in Costa Rica

40 airports
The fastest flight from Las Vegas to Costa Rica takes 5h 25m
Direct flights go from Las Vegas to Costa Rica every day.
There are 40 airports in Costa Rica. From Las Vegas there are direct flights to San José Juan Santamaria Intl (SJO).

Frequently asked questions about flying from Las Vegas to Costa Rica

  • When did momondo last update prices for flights from Las Vegas Harry Reid Intl Airport to Costa Rica?

    Prices for flights from Las Vegas Harry Reid Intl Airport to Costa Rica were last updated today.

  • How many operators does momondo search for flights from Las Vegas Harry Reid Intl Airport to Costa Rica?

  • How old do you have to be to fly from Las Vegas Harry Reid Intl Airport to Costa Rica?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Las Vegas Harry Reid Intl Airport to Costa Rica.

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

    The travel and health documents you'll need for your trip to Costa Rica may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Costa Rica. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Las Vegas to Costa Rica

Compare and see reviews for airlines that fly from Las Vegas to Costa Rica with momondo
Airline
Rating
Free Cancellation
Price
Spirit AirlinesPriceFrom $155Free CancellationRating
6.3
8,629 reviews
Search Spirit Airlines flights
JetBluePriceFrom $162Free CancellationRating
7.1
2,973 reviews
Search JetBlue flights
DeltaPriceFrom $200Free CancellationRating
7.9
8,454 reviews
Search Delta flights
VivaPriceFrom $314Free CancellationRating
7.0
809 reviews
Search Viva flights
American AirlinesPriceFrom $315Free CancellationRating
7.1
11,666 reviews
Search American Airlines flights
SouthwestPriceFrom $316Free CancellationRating
7.9
4,296 reviews
Search Southwest flights
United AirlinesPriceFrom $319Free CancellationRating
7.4
9,711 reviews
Search United Airlines flights
Copa AirlinesPriceFrom $321Free CancellationRating
7.5
1,584 reviews
Search Copa Airlines flights
Alaska AirlinesPriceFrom $351Free CancellationRating
7.9
12,361 reviews
Search Alaska Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Las Vegas to Costa Rica?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Las Vegas to Costa Rica. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Las Vegas to Costa Rica with flexible booking policies on momondo?

All flight searches from Las Vegas to Costa Rica on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Las Vegas to Costa Rica?

momondo helps you find the best flight between Las Vegas and Costa Rica 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 Las Vegas to Costa Rica right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Las Vegas to Costa Rica flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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1 adult
Fri 6/12
Fri 6/19

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