Cheap £128 Flights From Boston to Costa Rica
Easily compare flights from Boston to Costa Rica and find the cheapest tickets available!
Boston
San Jose
From £229
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Boston
Liberia
From £471
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Flying From Boston to Costa Rica: What You Need to Know
| Cheapest one-way flight price | £128 |
|---|---|
| Cheapest return ticket price | £218 |
| Off-season travel month | September |
| Peak season for travel | July |
| Popular airline | Air Canada |
| Cheapest month | June |
Compare multiple airlines at once to find the best flight deals from Boston to Costa Rica.
Airlines Flying From Boston to Costa Rica
Air Canada Search Flights From Boston to Costa Rica
Easily compare flights from Boston to Costa Rica and find the cheapest tickets available!
Find the Cheapest Flights to Costa Rica From Boston
Looking for cheap flights from Boston to Costa Rica? Check out prices for the next 90 days, starting at just £128 for a one-way ticket and £218 for a round trip.
- One way
- Return
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Sun, Oct 25BOS|LIRBostonLiberia1 stop | Air CanadaFri, Oct 30LIR|BOSLiberiaBoston1 stop | Air Canada£218 £30628% off28% off£306 £218-
Sat, Oct 24BOS|LIRBostonLiberia1 stop | Air Canada
Fri, Oct 30LIR|BOSLiberiaBoston1 stop | Air Canada£223 £30627% off27% off£306 £223
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Sat, Oct 31BOS|LIRBostonLiberia1 stop | Air Canada
Sat, Nov 7LIR|BOSLiberiaBoston1 stop | Air Canada£248 £30619% off19% off£306 £248
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Sun, Oct 18BOS|LIRBostonLiberia1 stop | American Airlines
Fri, Oct 23LIR|BOSLiberiaBoston1 stop | American Airlines£26015% off£306 £260 -
Mon, Oct 5BOS|SJOBostonSan Jose1 stop | Copa Airlines
Mon, Oct 12SJO|BOSSan JoseBoston1 stop | Copa Airlines£2847% off£306 £284 -
Fri, Oct 23BOS|SJOBostonSan Jose1 stop | American Airlines
Thu, Oct 29SJO|BOSSan JoseBoston1 stop | American Airlines£2867% off£306 £286
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Fri, Oct 30BOS|SJOBostonSan Jose1 stop | American Airlines
Wed, Nov 4SJO|BOSSan JoseBoston1 stop | American Airlines£2867% off£306 £286
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Thu, Sep 24BOS|SJOBostonSan Jose1 stop | American Airlines
Mon, Sep 28SJO|BOSSan JoseBoston1 stop | American Airlines£2876% off£306 £287
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Wed, Oct 14BOS|SJOBostonSan Jose1 stop | American Airlines
Fri, Oct 16SJO|BOSSan JoseBoston1 stop | American Airlines£2876% off£306 £287
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Sat, Oct 24BOS|SJOBostonSan Jose1 stop | American Airlines
Fri, Oct 30SJO|BOSSan JoseBoston1 stop | American Airlines£2876% off£306 £287
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Tue, Sep 15BOS|SJOBostonSan Jose1 stop | Normal Airline
Thu, Sep 17SJO|BOSSan JoseBostonDirect | Normal AirlineFind more flightsFind more flights
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Wed, Oct 28BOS|SJOBostonSan Jose1 stop | American Airlines£128 £18732% off32% off£187 £128
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Mon, Sep 14BOS|SJOBostonSan Jose1 stop | Air Canada£130 £18730% off30% off£187 £130
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Fri, Oct 2BOS|LIRBostonLiberia1 stop | Jetblue Airways£135 £18728% off28% off£187 £135 -
Wed, Oct 21BOS|SJOBostonSan Jose1 stop | American Airlines£14622% off£187 £146
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Sat, Sep 26BOS|SJOBostonSan Jose1 stop | Jetblue Airways£15915% off£187 £159
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Mon, Oct 5BOS|SJOBostonSan Jose1 stop | United Airlines£16611% off£187 £166 -
Sun, Nov 1BOS|SJOBostonSan Jose1 stop | American Airlines£16711% off£187 £167
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Sun, Sep 27BOS|SJOBostonSan Jose1 stop | United Airlines£1719% off£187 £171
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Thu, Oct 1BOS|SJOBostonSan Jose1 stop | United Airlines£1747% off£187 £174
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Sun, Oct 4BOS|SJOBostonSan Jose1 stop | United Airlines£1756% off£187 £175
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Tue, Sep 15BOS|SJOBostonSan Jose1 stop | Normal AirlineFind more flightsFind more flights
Displayed flight fares from Boston to Costa Rica are based on average prices across airlines over the next 3 months, according to the latest Trip.com data.
FAQs: Flights From Boston to Costa Rica
When is it the cheapest time to fly from Boston to Costa Rica?
According to our flights calendar over the next 90 days, it seems the cheapest date is on 2026-10-25 for one-way flights.What is the cheapest airline that flies to Costa Rica from Boston?
The cheapest airline flying to Costa Rica from Boston is Air Canada serving route from Boston to San Jose.Where can I fly to Costa Rica from Boston?
There are direct flights from Boston to Costa Rica. San Jose, and Liberia are all popular destinations in Costa Rica.
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