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Costa Rica

$146+ 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 1/19. Fares are subject to change and may not be available on all flights or dates of travel.
MKE — SJO
Dec 11 — Dec 181
Thu 12/11
Thu 12/18
1 adult, Economy
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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 November 11, 2025.

This Kiwi.com deal was found by Cheapflights users on 11/9. 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 12/1110:34 amMKE - SJO
1 stop25h 08mMultiple Airlines
Sat 12/2012:39 pmSJO - MKE
1 stop30h 42mMultiple Airlines
Deal found 11/9$337
This Kiwi.com deal was found by Cheapflights users on 11/8. 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.
Sun 11/237:43 pmMKE - SJO
1 stop14h 36mMultiple Airlines
Thu 12/412:39 pmSJO - MKE
1 stop21h 00mMultiple Airlines
Deal found 11/8$369
This Kiwi.com deal was found by Cheapflights users on 11/8. 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.
Mon 12/810:34 amMKE - SJO
1 stop25h 08mMultiple Airlines
Mon 12/2212:39 pmSJO - MKE
1 stop29h 47mMultiple Airlines
Deal found 11/8$384
This Kiwi.com deal was found by Cheapflights users on 11/8. 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.
Sat 11/227:54 pmMKE - SJO
2 stops14h 25mMultiple Airlines
Wed 12/311:24 amSJO - MKE
1 stop22h 15mMultiple Airlines
Deal found 11/8$438
This KAYAK deal was found by Cheapflights users on 11/9. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/810:34 amMKE - SJO
1 stop25h 08mSpirit Airlines
Mon 12/221:31 pmSJO - MKE
2 stops29h 49mSpirit Airlines
Deal found 11/9$449
This American Airlines deal was found by Cheapflights users on 11/9. 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.
Thu 12/115:00 amMKE - SJO
1 stop17h 28mAmerican Airlines
Fri 12/1912:34 amSJO - MKE
1 stop10h 29mAmerican Airlines
Deal found 11/9$460
This KAYAK deal was found by Cheapflights users on 11/8. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/2012:35 pmMKE - SJO
1 stop21h 44mSpirit Airlines
Wed 12/311:24 amSJO - MKE
1 stop22h 15mSpirit Airlines
Deal found 11/8$475
This United Airlines deal was found by Cheapflights users on 11/10. 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 Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/178:00 amMKE - LIR
1 stop10h 37mUnited Airlines
Mon 12/298:35 amLIR - MKE
1 stop14h 10mUnited Airlines
Deal found 11/10$475
This KAYAK deal was found by Cheapflights users on 11/8. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/2012:35 pmMKE - SJO
1 stop21h 44mSpirit Airlines
Tue 12/21:20 pmSJO - MKE
2 stops44h 19mSpirit Airlines
Deal found 11/8$488
This Delta deal was found by Cheapflights users on 11/11. 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 11/145:45 amMKE - LIR
1 stop6h 55mDelta
Wed 11/192:05 pmLIR - MKE
1 stop9h 50mDelta
Deal found 11/11$511
This American Airlines deal was found by Cheapflights users on 11/11. 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.
Fri 11/146:12 amMKE - LIR
1 stop8h 06mAmerican Airlines
Wed 11/193:13 pmLIR - MKE
2 stops20h 48mAmerican Airlines
Deal found 11/11$515
This United Airlines deal was found by Cheapflights users on 11/10. 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 Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/148:00 amMKE - LIR
1 stop10h 37mUnited Airlines
Fri 12/2612:30 pmLIR - MKE
1 stop9h 43mUnited Airlines
Deal found 11/10$585

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 November 11, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$337
(Kiwi.com)

One-way from

$146
(Kiwi.com)

Popular in

December

Cheapest in

September

Average price

$732
Provider with most accurate pricing for Milwaukee-Mitchell-San José Juan Santamaria Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Milwaukee-Mitchell-San José Juan Santamaria Intl flights.
Search Deals
From Milwaukee-Mitchell to Costa Rica
Search Deals
One-way flight from Milwaukee-Mitchell to Costa Rica
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($83 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($17 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

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 November 11, 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

Mon 2/2

7:40 pm-11:37 am

1 stop15h 57m

San José Juan Santamaria Intl

Tue 2/17

12:43 pm-5:04 pm

1 stop28h 21m

$401

MilwaukeeSan José

MKE - SJO

MKESJO

Milwaukee-Mitchell

Tue 2/3

8:33 am-8:39 pm

2 stops12h 06m

San José Juan Santamaria Intl

Tue 2/10

6:30 am-2:55 pm

1 stop8h 25m

$420

MilwaukeeSan José

MKE - SJO

MKESJO

Milwaukee-Mitchell

Sun 2/1

7:00 am-10:15 pm

1 stop15h 15m

San José Juan Santamaria Intl

Tue 2/17

7:00 am-7:58 pm

1 stop12h 58m

$420

MilwaukeeSan José

MKE - SJO

MKESJO

Milwaukee-Mitchell

Tue 1/6

6:12 am-10:30 pm

2 stops16h 18m

San José Juan Santamaria Intl

Tue 1/13

7:09 am-6:26 pm

1 stop11h 17m

$424

MilwaukeeSan José

MKE - SJO

MKESJO

Milwaukee-Mitchell

Mon 2/2

5:00 am-12:56 pm

1 stop7h 56m

San José Juan Santamaria Intl

Tue 2/17

11:28 pm-2:05 pm

2 stops14h 37m

$424

MilwaukeeSan José

MKE - SJO

MKESJO

Milwaukee-Mitchell

Mon 2/2

7:40 pm-11:37 am

1 stop15h 57m

San José Juan Santamaria Intl

Mon 2/16

12:43 pm-5:04 pm

1 stop28h 21m

$436

MilwaukeeSan José

MKE - SJO

MKESJO

Milwaukee-Mitchell

Sun 2/1

7:32 am-10:30 pm

1 stop14h 58m

San José Juan Santamaria Intl

Mon 2/16

7:00 am-5:48 pm

1 stop10h 48m

$440

MilwaukeeSan José

MKE - SJO

MKESJO

Milwaukee-Mitchell

Sat 1/17

1:04 pm-10:30 pm

1 stop9h 26m

San José Juan Santamaria Intl

Fri 1/23

6:00 am-10:58 pm

1 stop16h 58m

$440

MilwaukeeSan José

MKE - SJO

MKESJO

Milwaukee-Mitchell

Fri 1/16

2:34 pm-10:15 pm

1 stop7h 41m

San José Juan Santamaria Intl

Tue 1/20

7:00 am-11:46 pm

1 stop16h 46m

$471

MilwaukeeLiberia

MKE - LIR

MKELIR

Milwaukee-Mitchell

Wed 2/18

5:47 pm-12:27 pm

1 stop18h 40m

Liberia

Wed 2/25

1:15 pm-11:59 pm

1 stop10h 44m

$475

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/10

Showing 1-10 of 24 results
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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, November is the cheapest month in which you can book a flight from Milwaukee to Costa Rica (average of $221). Flying from Milwaukee to Costa Rica in December is currently the most expensive (average of $361). 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 November 11, 2025.

Unlike in the evening, when flights are generally more expensive, you can save up to 59% on flights from Milwaukee to Costa Rica by exploring options for tickets in the afternoon.

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 November 11, 2025.
Read reviews from past customers who have flown Southwest, Delta, and United Airlines from Milwaukee to Costa Rica. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,235 reviews

Food

7.0

Entertainment

7.5

Comfort

8.0

Overall

8.0

Boarding

8.1

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Southwest
8.0
Very good
4,235 reviews
Southwest
8.0
Very good
4,235 reviews

Food

7.0

Entertainment

7.5

Comfort

8.0

Overall

8.0

Boarding

8.1

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Delta
7.9
Good
8,007 reviews
Southwest
8.0
Very good
4,235 reviews

Food

7.0

Entertainment

7.5

Comfort

8.0

Overall

8.0

Boarding

8.1

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
United Airlines
7.4
Good
9,012 reviews
Southwest
8.0
Very good
4,235 reviews

Food

7.0

Entertainment

7.5

Comfort

8.0

Overall

8.0

Boarding

8.1

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
American Airlines
7.2
Good
11,045 reviews
Southwest
8.0
Very good
4,235 reviews

Food

7.0

Entertainment

7.5

Comfort

8.0

Overall

8.0

Boarding

8.1

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Spirit Airlines
6.3
Okay
8,136 reviews
Southwest
8.0
Very good
4,235 reviews

Food

7.0

Entertainment

7.5

Comfort

8.0

Overall

8.0

Boarding

8.1

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

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.

  • How long is the flight from Milwaukee to Costa Rica?

    Departing from Milwaukee to Costa Rica will take you 12h 06m. The distance from Milwaukee to Costa Rica is about 2286 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • 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, November is the cheapest month in which you can book a flight from Milwaukee to Costa Rica (average of $221). Flying from Milwaukee to Costa Rica in December is currently the most expensive (average of $361). 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

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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 November 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$279Average$454FlexibilityNo cancel feeOn-time65%
DeltaCheapest$385Average$693FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$426Average$682FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$486Average$683FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$505Average$729FlexibilityNo cancel feeOn-time69%

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