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$125+ Cheap flights from Milwaukee (MKE) to Costa Rica

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/26. Fares are subject to change and may not be available on all flights or dates of travel.
MKE — SJO
Apr 5 — Apr 121
Sat 4/5
Sat 4/12
1 adult, Economy
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Cheap flight deals from Milwaukee to Costa Rica

Keep the following information in mind while searching for Milwaukee to Costa Rica flight deals. Data was last updated March 31, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$311
(Mytrip)

One-way from

$125
(Cheapflightsfares)

Popular in

March

Cheapest in

September

Average price

$764
Provider with most accurate pricing for Milwaukee-Mitchell-San José Juan Santamaria Intl flight deals.
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Provider most trusted by Cheapflights users for Milwaukee-Mitchell-San José Juan Santamaria Intl flights.
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From Milwaukee-Mitchell to Costa Rica
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One-way flight from Milwaukee-Mitchell to Costa Rica
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Highest demand for flights based on searches. 8% potential increase in price ($58 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($16 potential savings vs. average RT price).
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Average for round-trip flights in March 2025
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Find flight deals from Milwaukee to Costa Rica

Cheapest flights from Milwaukee to Costa Rica
Explore the most affordable flight options available from Milwaukee to Costa Rica. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 31, 2025.

This Mytrip deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/265:06 pmMKE - SJO
1 stop18h 18mSpirit Airlines
Fri 5/212:55 amSJO - MKE
2 stops13h 51mSpirit Airlines
Deal found 3/30$311
This Kiwi.com deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/107:53 pmMKE - SJO
1 stop15h 31mMultiple Airlines
Wed 4/1612:23 pmSJO - MKE
1 stop26h 42mMultiple Airlines
Deal found 3/30$364
This American Airlines deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/266:14 pmMKE - LIR
1 stop18h 06mAmerican Airlines
Sat 5/312:25 pmLIR - MKE
2 stops19h 59mAmerican Airlines
Deal found 3/30$399
This United deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/308:00 amMKE - LIR
1 stop7h 23mUnited Airlines
Thu 5/13:25 pmLIR - MKE
1 stop30h 32mUnited Airlines
Deal found 3/30$479
This American Airlines deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/226:08 amMKE - SJO
1 stop16h 56mAmerican Airlines
Tue 4/296:05 amSJO - MKE
2 stops14h 38mAmerican Airlines
Deal found 3/30$491
This Delta deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/156:00 amMKE - SJO
1 stop6h 48mDelta
Tue 8/191:08 pmSJO - MKE
1 stop9h 17mDelta
Deal found 3/30$522
This United deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/205:47 pmMKE - SJO
2 stops26h 50mUnited Airlines
Mon 5/265:30 amSJO - MKE
2 stops27h 52mUnited Airlines
Deal found 3/30$579
This Southwest deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/75:25 amMKE - SJO
2 stops15h 15mSouthwest
Tue 7/158:45 amSJO - MKE
2 stops13h 30mSouthwest
Deal found 3/29$583
This Mytrip deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/265:06 pmMKE - LIR
3 stops26h 24mMultiple Airlines
Sat 5/39:00 amLIR - MKE
2 stops30h 05mMultiple Airlines
Deal found 3/30$677
This Alaska Airlines deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/82:36 pmMKE - LIR
3 stops27h 59mAlaska Airlines
Sat 11/1511:00 amLIR - MKE
2 stops26h 45mAlaska Airlines
Deal found 3/31$821
This Alaska Airlines deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/206:18 amMKE - SJO
2 stops18h 28mAlaska Airlines
Sun 5/251:06 amSJO - MKE
2 stops35h 46mAlaska Airlines
Deal found 3/30$824
This Delta deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/55:40 amMKE - LIR
1 stop7h 20mDelta
Sat 6/141:05 pmLIR - MKE
1 stop9h 53mDelta
Deal found 3/31$875

Cheapflights Fare Finder

Customize your flight search to find flights from Milwaukee 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, Cheapflights users made 2,558,603 searches. Data last updated March 31, 2025.
Use the filters below to find and compare flights from Milwaukee to Costa Rica that are best for you.

Fly from

Milwaukee

Fly to

Costa Rica

Route

Depart

Return

Price

MilwaukeeSan José

MKE - SJO

MKESJO

Milwaukee-Mitchell

Sat 4/26

5:06 pm-10:24 am

1 stop18h 18m

San José Juan Santamaria Intl

Fri 5/2

12:55 am-3:46 pm

2 stops13h 51m

$311

MilwaukeeSan José

MKE - SJO

MKESJO

Milwaukee-Mitchell

Thu 4/10

7:53 pm-10:24 am

1 stop15h 31m

San José Juan Santamaria Intl

Wed 4/16

12:23 pm-4:05 pm

1 stop26h 42m

$364

MilwaukeeLiberia

MKE - LIR

MKELIR

Milwaukee-Mitchell

Sat 4/26

6:36 pm-1:05 pm

2 stops19h 29m

Liberia

Sat 5/3

12:25 pm-9:24 am

2 stops19h 59m

$399

MilwaukeeLiberia

MKE - LIR

MKELIR

Milwaukee-Mitchell

Wed 4/30

8:00 am-2:23 pm

1 stop7h 23m

Liberia

Thu 5/1

3:25 pm-10:57 pm

1 stop30h 32m

$479

MilwaukeeSan José

MKE - SJO

MKESJO

Milwaukee-Mitchell

Tue 4/22

6:08 am-10:04 pm

1 stop16h 56m

San José Juan Santamaria Intl

Tue 4/29

6:05 am-9:43 pm

2 stops14h 38m

$491

MilwaukeeSan José

MKE - SJO

MKESJO

Milwaukee-Mitchell

Fri 8/15

6:00 am-11:48 am

1 stop6h 48m

San José Juan Santamaria Intl

Tue 8/19

1:08 pm-11:25 pm

1 stop9h 17m

$522

MilwaukeeSan José

MKE - SJO

MKESJO

Milwaukee-Mitchell

Tue 5/20

5:47 pm-7:37 pm

2 stops26h 50m

San José Juan Santamaria Intl

Mon 5/26

5:30 am-10:22 am

2 stops27h 52m

$579

MilwaukeeSan José

MKE - SJO

MKESJO

Milwaukee-Mitchell

Mon 7/7

5:25 am-7:40 pm

2 stops15h 15m

San José Juan Santamaria Intl

Tue 7/15

8:45 am-11:15 pm

2 stops13h 30m

$583

MilwaukeeLiberia

MKE - LIR

MKELIR

Milwaukee-Mitchell

Sat 4/26

5:06 pm-6:30 pm

3 stops26h 24m

Liberia

Sat 5/3

9:00 am-4:05 pm

2 stops30h 05m

$677

MilwaukeeSan José

MKE - SJO

MKESJO

Milwaukee-Mitchell

Tue 5/20

6:18 am-11:46 pm

2 stops18h 28m

San José Juan Santamaria Intl

Sun 5/25

1:06 am-1:52 pm

2 stops35h 46m

$824

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/30

Showing 1-10 of 20 results
1
2

Best time to book a flight from Milwaukee to Costa Rica

Have a flexible travel schedule? Discover the best time to fly to Costa Rica from Milwaukee with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Milwaukee to Costa Rica

What is the cheapest month to book a flight from Milwaukee to Costa Rica?

Currently, September is the cheapest month in which you can book a flight from Milwaukee to Costa Rica (average of $398). Flying from Milwaukee to Costa Rica in March is currently the most expensive (average of $555). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from MKE to CR?

Find hourly flight availability from Milwaukee to Costa Rica. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated March 31, 2025.

When flying from Milwaukee to Costa Rica, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in Costa Rica by month

Plan your trip to Costa Rica by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Costa Rica ranges from 0.0 - 11.8 inches per month. September is typically the wettest month, when rainfall can reach 11.8 in. February is typically the driest time to visit Costa Rica when rainfall is around 0.0 in.

Temperature in Costa Rica by month

Plan your trip to Costa Rica by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Costa Rica, use this chart to help with planning. For those seeking warmer temperatures, April is the ideal time of year to visit, when temperatures reach an average of 69.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 64.4 F).

Reviews of airlines servicing Costa Rica

Get insights into the airlines that provide service to Costa Rica. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Costa Rica. Reviews last updated March 31, 2025.
Read reviews from past customers who have flown Alaska Airlines, Southwest and Delta from Milwaukee to Costa Rica. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,818 reviews

Boarding

8.2

Overall

8.0

Entertainment

7.1

Comfort

7.9

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Alaska Airlines
8.0
Very good
9,818 reviews
Alaska Airlines
8.0
Very good
9,818 reviews

Boarding

8.2

Overall

8.0

Entertainment

7.1

Comfort

7.9

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Southwest
8.0
Very good
4,275 reviews
Alaska Airlines
8.0
Very good
9,818 reviews

Boarding

8.2

Overall

8.0

Entertainment

7.1

Comfort

7.9

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Delta
8.0
Very good
7,899 reviews
Alaska Airlines
8.0
Very good
9,818 reviews

Boarding

8.2

Overall

8.0

Entertainment

7.1

Comfort

7.9

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
United Airlines
7.4
Good
8,614 reviews
Alaska Airlines
8.0
Very good
9,818 reviews

Boarding

8.2

Overall

8.0

Entertainment

7.1

Comfort

7.9

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
9,818 reviews

Boarding

8.2

Overall

8.0

Entertainment

7.1

Comfort

7.9

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Related info for your journey

Find useful and relevant information for your journey from Milwaukee to Costa Rica. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Milwaukee to Costa Rica?

    Milwaukee-Mitchell (MKE) is the airport you will fly out of if you book a flight from Milwaukee to Costa Rica. It is only a 6.4 mi journey to Milwaukee-Mitchell (MKE) from Milwaukee’s city center.

  • What are the cheapest airlines to fly from Milwaukee to Costa Rica one-way?

    $125 is the cheapest one-way deal found within the past few days, from Spirit Airlines. You may also be able to find cheap deals on Delta and American Airlines, with prices starting from $174 and $227, respectively.

  • Can I find deals for flights from Milwaukee to Costa Rica that include hotel bookings?

    Yes. In addition to deals on Milwaukee to Costa Rica flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Milwaukee to Costa Rica?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Milwaukee to Costa Rica.

  • Can I find deals for business class flights from Milwaukee to Costa Rica?

    Yes. Cheapflights offers flight deals from Milwaukee to Costa Rica by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Milwaukee to Costa Rica?

    Currently, September is the cheapest month in which you can book a flight from Milwaukee to Costa Rica (average of $398). Flying from Milwaukee to Costa Rica in March is currently the most expensive (average of $555). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Milwaukee to Costa Rica

See prices for flight routes from nearby airports that may be better suited for you.
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Top 5 airlines flying from Milwaukee to Costa Rica

Discover the top 5 airlines that operate flights from Milwaukee to Costa Rica. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated March 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$279Average$388FlexibilityNo cancel feeOn-time65%
DeltaCheapest$366Average$635FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$426Average$663FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$432Average$610FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$463Average$681FlexibilityNo cancel feeOn-time63%
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