Find cheap flights from Boise to Costa Rica

Find cheap flights from Boise to Costa Rica

Search hundreds of travel sites at once for deals on flights to Costa Rica

Round-trip
Economy
Boise (BOI)
Costa Rica
Fri 4/16
Fri 4/23
Any month
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Good to know

Low season

AugustBest time to beat the crowds with an average 4% drop in price.

High season

DecemberMost popular time to fly with an average 12% increase in price.

Average price round-trip

$853(avg. price over the last 2 weeks)

Good deal round-trip

$588or less

Good deal one-way

$312or less

Top tips for finding cheap flights to Costa Rica

  • Book at least 2 weeks before departure in order to get a below-average price.
  • High season is considered to be January, November and December. The cheapest month to fly to Costa Rica is August.
  • Morning departure is around 15% more expensive than an evening flight, on average*.
*Average of the lowest prices shown in KAYAK’s search results for departures within the next 30 days

FAQs - booking Costa Rica flights

How long is the flight to Costa Rica from Boise?

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Are there Costa Rica travel restrictions currently due to Coronavirus?

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Top 3 airlines serving Boise Air Term. Gowen Fld to Costa Rica

Scores according to KAYAK customer reviews

8.3
Alaska Airlines
Overall score based on 29,320 reviews
8.5
Boarding
8.3
Comfort
8.8
Crew
7.9
Entertainment
7.9
Food
Airline reviews

Pros: "I was sitting by the windows and it felt a little cramped on the Q400."
Cons: "I would liked to have wifi."

Pros: "Was my children’s first flight and they have them high fives at boarding and let them check out the pilot cabin. My kids were over the moon excited"

Pros: "It’s comfortable"
Cons: "Thank you"

Pros: "Staff were all fabulous and who doesn't love free drinks?"
Cons: "30$ per bag made us reconsider/repack everything, lug around heavy carry on (which we measured in their box), only to have to check it anyway as told to MANY "this size doesn't fit this particular plane." Ot was a pain to pick up in pouring rain & made some miss connecting flights."

Pros: "The crew was great. Seats... not to comfortable."

Cons: "Didn’t load my checked luggage in Boise"

Cons: "....."

Pros: "Pilots did a great job flying the approach to minimums and landing on a slick runway without missing a beat!"
Cons: "The snack. A salty alternative to those so-so cookies would be great. Maybe a high quality dark chocolate dipped pretzel? Vegan, please! Thanks!"

Cons: "Delayed flight"

Cons: "Announcements via intercom too rushed, unclear and poorly pronounced. The speaker needs to pronounce each word, and the end of each word clearly."

Pros: "Everything was fine"

Cons: "No food, just snacks."

Cons: "2 hour delay"

Cons: "Didn’t realize it was only a turbo prop. Too noisy"

Pros: "Everyone smiled, everyone helped, no hitches and I’m happy."

Pros: "Flight attendants"
Cons: "Complete failure to announce that passports needed to be verified. Telling you as you board is infuriating. This was Alaska’s fault, not TSA’s."

Pros: "Helpful staff, very open for customer."

Pros: "Professional we will employees"
Cons: "Bag check fee. Southwest gives 2 free bags. Why can't you?"

Cons: "You cancelled our flight home in the middle of a Hurricane, so we can't check up on our cats or house. We will never fly with Alaska Air again, and I will make sure that absolutely everyone knows what you did."

Pros: "Everyone was so friendly."

Cons: "our flight was cancelled the night before rebooked on a later flight which would cause us to miss our ferry and other connections they did rebook when I called, adding another connection, but only my husband was rebooked , not me so, I had to get a seat at the counter in Seattle to finish the trip everyone was very poliet"

Cons: "On the return flight it was cancelled and they put us in a flea bag hotel and I have written Alaska and requested a FULL ROUND TRIP TO COSTA RICA and they haven't had the courtesy of responding. I wrote Wayne Newton 2x. b"

Pros: "I was able to try a red wine from Walla Walla for free"

Pros: "The bisquit cookies."
Cons: "The staff weren't that friendly! Gone are the helpful employees! My daughter's seat wouldn't go back and they did nothing to accommodate her! LAME! Not overly friendly, need to take notes from JetBlue!"

Pros: "Good service"
Cons: "Small plane"

Pros: "Flight was on time, boarding was quick, crew was very professional, great first flight for my kids."

Cons: "No cranberry juice!"

Pros: "Complimentary IPA was very nice."
Cons: "Too cramped on the plane! Taking out 1 row and the arm rest against the window would help."

Cons: "The free movies they offered would never load even when I downloaded the material needed."

Pros: "Good beer! Smooth ride."

Pros: "Comfortable"

Pros: "I had to return to Portland for a medical emergency and the check in staff were awesome. They made sure that the change fee was waived and that I was okay. I felt that they were sincere and truly cared about my well-being. That cant be faked!!"

Pros: "It was fast."
Cons: "The crew was rude, it was so unpleasant"

Cons: "The crew was rude and would not let me use the restroom until they had finished ALL drink service. The two blond middle aged women that were working in the economy cabin."

Cons: "Nothing"

Cons: "I expect Alaska Air has made a tidy sum from passengers who have to rebook when they depart the gate early."

Pros: "Complimentary wine or beer is pretty cool."
Cons: "We like jets but the Q400 is still nice."

Cons: "flight cancelled"

Pros: "Staff were efficient & helpful. Flight was on time. Very smooth landing."
Cons: "Plane was noisy."

Pros: "The staff is awesome, the ride is always so comfortable"
Cons: "Not flying more often"

Pros: "An employee named Angel at Boise airport was exceptional. He was helpful and light hearted and had a good sense of humor."

Pros: "Everything went perfectly. Great price."

Pros: "The captain kept us fairly informed on the issue. The crew mare a great effort to accommodate passengers with a snack and updates on connecting flight issues."
Cons: "I had to sit on a plane on the ground longer than my flight was supposed to take."

Pros: "Everything was great!"

Pros: "It is a very nice touch to be offered a complimentary beer. What a treat."
Cons: "The bathroom was not nice. No sink to wash hands seems unreasonable"

Pros: "Love Alaska and ANA. GREAT FLIGHTS."

Cons: "They sent my bag to Santa Barbara."

Pros: "Service was EXCELLENT - great attitiudes, quick, easy, kind, courteous - everything you would expect."
Cons: "I was unable to connect to gogo for wifi my entire trip up to Idaho, so I refused to purchase it coming back. I needed to catch up on work and it would have been an opportune time of sitting and getting things done and not taking time away from my family upon my return. It should not be offered if it is unavailable."

Cons: "Snacks should include a gluten free option."

Pros: "Smooth as butter. Slept the whole way."
Cons: "Nothing could have improved it."

Pros: "Great crew!"
Cons: "We paid for WiFi but it was not working on this flight."

Cons: "Flight is always packed to capacity and seats are small. Uncomfortable. On the good side, we had a new plane with leather-like seats."

Pros: "Crew were very friendly"
Cons: "AC power. Seat back TVs."

Pros: "Crew was awesome...love AA crew! Always and this time superb!"
Cons: "Leg room gets worse and worse...boarding sucked since they took our bags and we felt like it was only us that were singled out!!!"

Pros: "On time, main cabin extra was great, crew was nice, entertainment was great."
Cons: "No criticism"

Pros: "The crew was great"
Cons: "No complaints so far"

Pros: "Crew was nice, entertainment was good"
Cons: "Food was mediocre"

Pros: "There was a lot of entertainment choices"
Cons: "Seats are so crammed. Plane was late."

Pros: "The plane was a good size for that length of trip. Free entertainment options were excellent."
Cons: "Had to pay $80 for an upgrade to be (fairly) comfortable for the flight."

Pros: "Once boarding, we didn’t wait long for take off."
Cons: "Being on time."

Pros: "Crew was really great!"
Cons: "My bag never left Chicago so I had to wait a day to get that"

Cons: "My luggage was delayed. I received it the day after"

Pros: "The agent at checkin was so kind, nice, professional and superb...I will always fly American Airlines....you have the best checkin agents, best gate agents (super funny yet professional) and also the flight crew was absolutely amazing!"
Cons: "baggage claim in Costa Rica is terrible service...but that is the airports fault since this happens with other airlines.....something has to0 change!!!!"

Cons: "A small meal would’ve been appropriate on this flight considering it was first class. Only thing offered was a cookie"

Pros: "They gave us plenty of drinks and food"
Cons: "Leg room"

Pros: "4 flights and all of them in middle uncomfortable seats. I requested aisle seats many times and counter agents were unhelpful and rude."
Cons: "Better seat options and more comfortable seats"

Pros: "We didn’t crash."

Pros: "The crew was very nice and friendly"
Cons: "There was a technical difficulty with the plane, which made a short delay in our flight."

Pros: "0ntime quick boarding"
Cons: "cost to check baggage"

Pros: "direct flight"
Cons: "OLLLLLLLLD AIRPLANES"

Pros: "Couldn't get own crew closed gate and would not open door."
Cons: "Crew closed gate before the 10 min delayed time, knowing connecting passengers would not be able to make it. From a flight 10 min late."

Pros: "On time departure, this flight tends to get delayed, not this time. Good service and pleasant flight."
Cons: "I prefer personal entertainment systems."

Pros: "Landing and deplaning"
Cons: "Literally everything else"

Pros: "Customer service"
Cons: "My prepaid seat was not taken in consideration."

Pros: "My favorite part was after we all got off, the man helping everyone get their luggage said take one down and pass it down if it’s not yours. It was genius!"

Pros: "everything but the cabin temperature. it was very hot and uncomfortable."
Cons: "Too warm in the cabin."

Pros: "Can’t say anything good"
Cons: "When boarding crew was rude because carry on did not fit the overhead compartment. No options to choose from for entertainment. Flight was delayed almost an hour while sitting in plane. Food options almost nonexistent"

Cons: "The plane arrive almost 2 hours late then there was a 2 hour delay due to weather. My daughter was traveling to Italy so missed her connecting flight by 15 minutes. She did get put on another flight a couple hours later but had a 12 hour layover in London which made her miss a full day of vacation."

Cons: "Flight was delayed"

Pros: "Flight had very few people on it so everyone could stretch out for the 6 hour flight."
Cons: "The original flight turned around 45 minutes in and I missed my connecting flight. AA refused to try and get me on another flight the same day so I could make it to Sydney on the original day I was supposed to land. We waited 2/3 hours to board a whole new flight, and AA hardly compensated. If anything they should’ve provided a meal at least instead of a bag of pretzels. Flight crew seemed very inconvenienced and it showed."

Pros: "The crew was very friendly and accommodating. The food as usual just snack type food for purchase as expected. The entertainment system malfunctioned and we could not watch the movie they offered. However one flight attendant was very nice and gave my kids special cookies. Nice touch!"

Pros: "Mostly everyrhing"
Cons: "Food was so so"

Pros: "That we arrived safely and on time"
Cons: "The food was horrible for such a long flight and the seats were uncomfortable. Most airlines have neck braces to place one's head on. Neither flight had anything for one's head. I had my own blanket fortunately because it was cold...then hot... If one did not have an iPad or computer watching anything was impossible on a 6 hour flight. Never going to take this flight again aGAIN...NEVER PAID ADDITIONAL ON SUCH A LONG FLIGHT FOR SEATS. NEXT TIME I'LL STAND."

Cons: "I was expecting to fly British Airways but instead I was booked on a American Airlines which flew me on an old shitty airplane. Never again."

Cons: "Flight was delayed 2 hours, then moved to the next morning at 6am. Before we got to the hotel, the flight was pushed back to 8am. All for mechanical reasons. We've flown this route before, and have had an abnormally high number of mechanical issues. They seem to use older planes for these shorter flights, and it really shows. Technology could really help ease these situations. American's app does not allow you to look at rebooking options, so we had to stand in line for a solid 30 minutes to speak to an agent. Since it was the last flight of the night, there were only 3 agents there to help an entire plane's worth of people. Calling American didn't help. They couldn't help with hotel/food vouchers. These types of vouchers seem like something else that could be distributed through the app or electronically, eliminating the need to stand in line and grow increasingly frustrated. To add to the fun, the vouchers were not event enough to get a hot dog and drink for dinner, then a coffee and pastry for breakfast. Once we got the vouchers, trying to get to the hotel was a disaster. They had 1 van, so they could get about 10 people every 30 minutes. We just took and Uber, and were eating in the restaurant by the time others were still arriving from the shuttle. There was no one from American there to help coordinate with the hotel or shuttle. We were like blind sheep wandering around looking for the van. Finally, arrive for the flight the next day, and they start boarding about 10 minutes before the 8am takeoff time. So, of course, we were late getting off the ground. Then, when we arrived in Dallas, our gate was occupied by another plane, so we got to sit on an old plane for an extra 30 minutes until another gate opened up for us. Really, other than crashing, not much else could have gone wrong. Made American look completely incompetent...which is happening more the more we use them. Next time, I'll pay a higher fare to fly with Southwest."

Pros: "the clerk at the boarding desk was kind"
Cons: "delayed"

Pros: "Flight was delayed in classic AA form, ten minutes at a time, leaving you standing around the gate picking your nose with no information! An hour later we board. Our flight attendant Nicky was awesome!"
Cons: "The plane had no power outlets and spotty WiFi. Even though they knew we were late to Charlotte, they let our connection take off EXACTLY on time while dozens of us rand through the airport. AA does this to themselves, they are the worst!"

Pros: "Excellent service and very friendly; thanks!"

Cons: "Don't have tv in seats hard to watching one tv"

Pros: "The stewardess was nice enough to give me water with my gingerale"
Cons: "We didn't take off until 3 hours after scheduled, and we're forced to watch ads on the overhead monitors for most of the flight. I was not impressed. Poor communication from the pilot."

Pros: "Ordinary flight, not too chaotic for holiday weekend."
Cons: "My luggage was lost! Had to wait an entire day to recuperate my suitcases."

Cons: "They didn't give my parents who are in their 80s seats together, that's not right."

Pros: "The crew on ground and on the plane are great"
Cons: "The planes are old and crowded"

Pros: "The pasta coming out of Frankfurt that was served on the plane was actually phenomenal I have never had that kind of cheese spaetzle in an aircraft before absolutely excellent. The desert choice of the crumble tart was also very good. The roll was cold as usual in economy class. The rap served as pre arrival meal was also very good. This was by far the best food I have ever had and economy class I have never encountered this food traveling from the US to Europe but traveling back from Europe the food is often better. This one was phenomenal."
Cons: "Selecting the entertainment choices was very very sluggish to the point where I just discontinued trying to find a show to watch. On both flights, going to Frankfurt and then returning from Frankfurt those international flights, the video or entertainment was very slow to select. I also noticed in some seats it wasn't working or people also just gave up. I did however like the fact that some shows we're closed captioned, that is really helpful because sometimes it is difficult to adjust the sound to to be able to clearly hear the conversations in the movie. Subtitles definitely help. I wish all of them had subtitles. The boarding is okay and I understand all the emeralds and rubies and platinum's Etc, but sometimes by the time group for get seated there's not always enough room in the overhead compartments because people tend to put all their bags their. And some people still take oversized bags that should probably be checked this is quite a nuisance."

Pros: "Enjoyed the flight"

Pros: "On time"
Cons: "They charge for everything luggage they can see in the front desk. My 63 years old mother had her small size hand carrier, a travel tote on top (with her travel blanket and her medicine) and a crossbody passport size. They told her to put it in her tote!!! Only 2 items allows. ... In the plane she saw passengers carried way more than what that."

Pros: "Friendly crew. Comfortable flight."
Cons: "No seat TV."

Pros: "Got me home safe"
Cons: "1st: the gate was changed three 20 mins before boarding 2nd: we were in the plane for an hr before actually flying out"

Pros: "not beat up"
Cons: "people trying to get extra carry on on"

Cons: "Food"

Pros: "Love the texting notices."
Cons: "It was all good!"

Pros: "Safe trip. Kept informed of short delay. Thank you."
Cons: "NA"

Pros: "Inflight movies"
Cons: "None"

Pros: "The food and the crew"
Cons: "Entertainment system, it is outdated"

Pros: "The range of 'free' food and beverages (including beer, wine, and liquor was phenomenal, and the functionality of the 777 touch-screen was outstanding. Seating was also more comfortable than comparable flights on AA."

Pros: "Amabilidad de la tripulacion"
Cons: "Podrían dar comida, el viaje no es tan corto. Aire acondicionado demasiado frío, muchos pasajeros solicitaron regular l temperatura, no habían suficientes mantas"

Pros: "The crew were friendly & efficient, the flights were on time, & the gate staff kept us well informed of any changes."

Pros: "Clean, comfortable and on time."
Cons: "Nothing"

Cons: "More leg room"

Cons: "No screens in the seats. Food options are the usual limited fair"

Pros: "Safe flight. Also, I was offered a different flight from Boise, ID, in order to make my connection in San Francisco. Thank you!"
Cons: "NA"

Cons: "Nothing, overall great experience"

Cons: "Slow boarding, no food no drinks, no tv."

Pros: "It didn’t happen."
Cons: "Because of the late plane and possible missed connection, I was re-booked for the next day without any compensation."

Pros: "Very pleasant attentive crew and ground staff. An aborted takeoff on tarmac meant a return to the departure gate and the plane taken to maintenance. The ground staff were superb in dealing with a full plane load of passengers many of whom had onward connections. This meant we had to stay overnight and fly first thing the next morning. Full marks to United for dealing with a potentially dangerous situation and then assisting everyone back in the terminal."

Pros: "It’s my longest trip ever due to United"
Cons: "Poor communication between the airline and I, I don’t like the service"

Pros: "Not much."
Cons: "Little to no updates and wrong information when finally given. I was bumped out of my premium seat. I had to ask for refunds for the upgrade and priority seating they were not offered. And I had to ask for a meal voucher since none was offered. Alaska always has offered fist no asking needed."

Pros: "Nothing"

Pros: "Más espacio, al menos una película que ver, y algún bocadillo por ser un vuelo de tantas horas"

Pros: "The pilot"
Cons: "Everything else"

Pros: "The plane took two hours to leave the ground due to weather. This was unfortunate and made the passengers uncomfortable but it was not the fault of the airline."
Cons: "The airline gave all the passengers access to the movies and television channels."

Cons: "Flight was delayed. Super small aircraft so suitcases didn't fit. Didn't have food options, just pretzels."

Pros: "Flight attendants were very nice"
Cons: "The overhead a.c. spout didn't work. Plane was very hot."

Cons: "Snack offering was caramely sugar cookie"

Cons: "Fligh delay."

Pros: "More fights to choose"
Cons: "Could not choose the seat at the time booking"

Pros: "That we got to Little Rock early"
Cons: "I had ordered ginger rail and the lady brought me a Diet Coke I told her I don't like Diet Coke because I don't drink Coke and she said I thought that's what you want it now you have to hold onto it until they come back and pick up the trash and she never brought me the ginger rail to drink she walked away and I never drank nothing on the flight back to Little Rock that lady was so rude"

Pros: "I was allowed to get off the aircraft to collect a bag I left behind"

Pros: "Attendants were amazing"
Cons: "We spent the whole delay on the plane and wasn't notified of a problem until after an hour. A lot of my time was wasted. That's not okay. Keep your customers informed."

Pros: "Great staff and everything on time"

Pros: "Nothing"
Cons: "That a bunch of travelers including myself missed our connecting flight in Chicago after united chamged our arrival gate but didn't have any crew to man the jet way. We sat for 20 mins right in front of our gate. From 1 pm to 10 on my flight to Asheville from Chicago was delayed many many times waiting for our airplane to arrive. Upsetting that we missed our connection due to United's poor planning, they didn't hold our connecting flight for us but we had to wait all night for other flights."

Pros: "Since we were the last ones to arrive at the gate because of our delayed flight they had to check our carry-on baggage with the luggage we didn't have locks and nomally what we carry in that bag are fragile or valuable things. They should at least have plastic gauzes or fragile stickers to put on the bags. I don't know the reason but the flight attendants left about the last 6 rows of passengers without pretzels or drinks. There was no device to view movies. Leg space too tight."

Pros: "It was so smooth.No long lines ,no delays,a straight thru flight.And on Christmas Eve morning."

Pros: "Nice and comfy seats, good service on plane, fast boarding"
Cons: "No good food and the entertainment was not the beat"

Pros: "Very smooth and easy. Thank you"

Cons: "Same. No ffood ..poor Service and allso charging. To much for extra weight. $200 for 3 extra pounds. Ridiculous. Also charged for one check in bag..Todo much"

Cons: "Viajar en United es desastroso. Los asientos son demasiado pequeños, yo mido1.57 metros y no me podía ni mover."

Pros: "Fast and smooth"

Pros: "The crew were nice though exasperated with cramped new planes and crowded restrooms. Flight was on time"
Cons: "After three years of flying all around US, realized United is the worst of the three major legacy carriers. I'm star alliance gold and it's still a painful experience. Crew admitted in latest redesign of planes they've managed to squeeze another six seats in coach. My seat wouldn't go back but even if it did, would feel too guilty for person behind to do it - so little legroom on newer planes. They've also cut down on restrooms so for most of the flight there was a line of 5-6 people waiting in the aisle. American Airlines seems to have older planes but at least decent legroom (and I'm not tall - anybody over 5'10 would have to sit at an angle on new United planes!). Been very impressed by Delta's service lately. United feels more like Spirit"

Cons: "Air quality"

Pros: "The flights were on time and very professional ."

Cons: "Very late departing Boise. No crew to fly plane. Our plane sat at the gate with no crew to fly it."

Pros: "The seat next to me was empty"
Cons: "United put my bags on the next flight to San Jose, so I had to wait an extra 2.5 hours in the airport for the next plane to land in San Jose, Costa Rica while my ride waited for me."

Cons: "The seats were so small, with no space between rows that you couldn't even recline. The tv on the seat in front was so close you couldn't watch it. Miserable flight, and I'm only 5'5"."

Pros: "Crew"
Cons: "I think that after first class they should load the plane from the last seat forward for ease of getting to the back seats"

Cons: "Charged 50.00 for check bags,when that was included in the online purchase,not happy and probably will not use either again!"

Pros: "Terrible"
Cons: "Everything"

Cons: "I felt like tuna in a can."

Cons: "Worst ever Can you credit my credit card for a full refund"

Read more about Alaska Airlines
COVID-19 information

Safety measures for airlines flying from Boise to Costa Rica

Airlines flying from Boise to Costa Rica have enacted additional safety measures and adjusted policies to better accommodate travelers. Policies vary by airline.

Heightened sanitation

Daily cleaning, installation of cabin HEPA filters on flights from Boise to Costa Rica

Mandatory masks

Masks required on board, masks provided on flights from Boise to Costa Rica

Social distancing seating

Middle seats unavailable to book on flights from Boise to Costa Rica

Pre-flight testing

Testing for antibodies, testing for symptoms for flights from Boise to Costa Rica

Book cheap flights from Boise to Costa Rica

Recent round-trip flight deals

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31h 53m
BOI - SJO
5/29
Sat
3 stops
Multiple Airlines
30h 07m
BOI - SJO
5/29
Sat
3 stops
Alaska Airlines
46h 30m
BOI - SJO
5/29
Sat
3 stops
Alaska Airlines
46h 30m
BOI - SJO
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