What is the cheapest airline that flies from Milwaukee-Mitchell to Costa Rica?

American Airlines, Delta, and Spirit Airlines are the most popular carriers operating from Milwaukee-Mitchell to Costa Rica

What airlines fly to Costa Rica?

American Airlines, United Airlines and Spirit Airlines are the top three most popular airlines that fly to Costa Rica from Milwaukee according to our data. American Airlines is the first choice among our users, with 45% of people opting to fly with this airline when traveling to Costa Rica. Keep in mind that there are 8 different airlines that fly to Costa Rica on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Milwaukee-Mitchell Airport to Costa Rica?

Prices for flights from Milwaukee-Mitchell Airport to Costa Rica were last updated today.

How many operators does momondo search for flights from Milwaukee-Mitchell Airport to Costa Rica?

As of December 2025, there are 5 operators available to choose from for flights from Milwaukee-Mitchell Airport to Costa Rica.

How old do you have to be to fly from Milwaukee-Mitchell 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 Milwaukee-Mitchell Airport to Costa Rica.

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

The required travel and health documents for your Costa Rica trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Costa Rica. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$222 Cheap Flights from Milwaukee to Costa Rica in 2025/26

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Find the cheapest flights from Milwaukee to Costa Rica

Round-trip

One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

4:39 pm - 11:40 am

MKE

SJO

19h 01m1 stop

12:35 pm - 3:44 pm

SJO

MKE

27h 09m1 stop

$389Multiple Airlines

Tue, Feb 17 - Tue, Mar 3

10:38 am - 11:40 am

MKE

SJO

25h 02m1 stop

12:35 pm - 3:44 pm

SJO

MKE

27h 09m1 stop

$390Multiple Airlines

Fri, Feb 20 - Tue, Mar 3

7:32 am - 10:30 pm

MKE

SJO

14h 58m1 stop

7:09 am - 6:26 pm

SJO

MKE

11h 17m1 stop

$398American Airlines

Tue, Feb 3 - Tue, Feb 10

4:39 pm - 11:40 am

MKE

SJO

19h 01m1 stop

12:35 pm - 3:44 pm

SJO

MKE

27h 09m1 stop

$399Multiple Airlines

Wed, Feb 18 - Tue, Mar 3

10:38 am - 11:40 am

MKE

SJO

25h 02m1 stop

12:35 pm - 6:42 pm

SJO

MKE

30h 07m1 stop

$400Multiple Airlines

Fri, Feb 20 - Wed, Mar 4

8:10 pm - 11:40 am

MKE

SJO

15h 30m1 stop

12:35 pm - 3:44 pm

SJO

MKE

27h 09m1 stop

$401Multiple Airlines

Sat, Feb 21 - Mon, Mar 2

6:12 am - 10:30 pm

MKE

SJO

16h 18m2 stops

8:00 am - 11:23 pm

SJO

MKE

15h 23m2 stops

$402American Airlines

Tue, Feb 3 - Tue, Feb 10

1:35 pm - 10:02 pm

MKE

SJO

8h 27m1 stop

7:00 am - 11:48 pm

SJO

MKE

16h 48m1 stop

$408Delta

Tue, Feb 17 - Tue, Feb 24

7:00 am - 6:37 pm

MKE

LIR

11h 37m2 stops

2:20 pm - 10:59 pm

LIR

MKE

8h 39m1 stop

$475United Airlines

Tue, Jan 6 - Tue, Jan 13

5:00 am - 6:37 pm

MKE

LIR

13h 37m2 stops

2:20 pm - 10:59 pm

LIR

MKE

8h 39m1 stop

$505United Airlines

Fri, Jan 30 - Tue, Feb 3

American Airlines flights from Milwaukee to Costa Rica

Our best American Airlines deals on Milwaukee to Costa Rica flight tickets

American Airlines

Feb 3

MKE7:32 amMilwaukee-Mitchell

14h 58m

1 stop

SJO10:30 pmSan José Juan Santamaria Intl

Feb 10

SJO7:09 amSan José Juan Santamaria Intl

11h 17m

1 stop

MKE6:26 pmMilwaukee-Mitchell

$398

Find similar

American Airlines

Feb 3

MKE6:12 amMilwaukee-Mitchell

16h 18m

2 stops

SJO10:30 pmSan José Juan Santamaria Intl

Feb 10

SJO8:00 amSan José Juan Santamaria Intl

15h 23m

2 stops

MKE11:23 pmMilwaukee-Mitchell

$402

Find similar

American Airlines

Jan 19

MKE1:04 pmMilwaukee-Mitchell

9h 26m

1 stop

SJO10:30 pmSan José Juan Santamaria Intl

Jan 26

SJO6:38 amSan José Juan Santamaria Intl

15h 21m

1 stop

MKE9:59 pmMilwaukee-Mitchell

$418

Find similar

United Airlines flights from Milwaukee to Costa Rica

Our best United Airlines deals on Milwaukee to Costa Rica flight tickets

United Airlines

Jan 6

MKE7:00 amMilwaukee-Mitchell

11h 37m

2 stops

LIR6:37 pmLiberia

Jan 13

LIR2:20 pmLiberia

8h 39m

1 stop

MKE10:59 pmMilwaukee-Mitchell

$475

Find similar

United Airlines

Jan 17

MKE7:00 amMilwaukee-Mitchell

13h 39m

2 stops

SJO8:39 pmSan José Juan Santamaria Intl

Jan 24

SJO6:30 amSan José Juan Santamaria Intl

8h 25m

1 stop

MKE2:55 pmMilwaukee-Mitchell

$480

Find similar

United Airlines

Jan 30

MKE5:00 amMilwaukee-Mitchell

13h 37m

2 stops

LIR6:37 pmLiberia

Feb 3

LIR2:20 pmLiberia

8h 39m

1 stop

MKE10:59 pmMilwaukee-Mitchell

$505

Find similar

Fly from

Fly to

Route

Depart

Return

Price

MilwaukeeSan José

MKE - SJO

MKESJO

Milwaukee-Mitchell

Tue 2/17

4:39 pm-11:40 am

1 stop19h 01m

San José Juan Santamaria Intl

Tue 3/3

12:35 pm-3:44 pm

1 stop27h 09m

$389

MilwaukeeSan José

MKE - SJO

MKESJO

Milwaukee-Mitchell

Fri 2/20

10:38 am-11:40 am

1 stop25h 02m

San José Juan Santamaria Intl

Tue 3/3

12:35 pm-3:44 pm

1 stop27h 09m

$390

MilwaukeeSan José

MKE - SJO

MKESJO

Milwaukee-Mitchell

Tue 2/3

7:32 am-10:30 pm

1 stop14h 58m

San José Juan Santamaria Intl

Tue 2/10

7:09 am-6:26 pm

1 stop11h 17m

$398

MilwaukeeSan José

MKE - SJO

MKESJO

Milwaukee-Mitchell

Wed 2/18

4:39 pm-11:40 am

1 stop19h 01m

San José Juan Santamaria Intl

Tue 3/3

12:35 pm-3:44 pm

1 stop27h 09m

$399

MilwaukeeSan José

MKE - SJO

MKESJO

Milwaukee-Mitchell

Fri 2/20

10:38 am-11:40 am

1 stop25h 02m

San José Juan Santamaria Intl

Wed 3/4

12:35 pm-6:42 pm

1 stop30h 07m

$400

MilwaukeeSan José

MKE - SJO

MKESJO

Milwaukee-Mitchell

Sat 2/21

8:10 pm-11:40 am

1 stop15h 30m

San José Juan Santamaria Intl

Mon 3/2

12:35 pm-3:44 pm

1 stop27h 09m

$401

MilwaukeeSan José

MKE - SJO

MKESJO

Milwaukee-Mitchell

Tue 2/3

6:12 am-10:30 pm

2 stops16h 18m

San José Juan Santamaria Intl

Tue 2/10

8:00 am-11:23 pm

2 stops15h 23m

$402

MilwaukeeSan José

MKE - SJO

MKESJO

Milwaukee-Mitchell

Tue 2/17

1:35 pm-10:02 pm

1 stop8h 27m

San José Juan Santamaria Intl

Tue 2/24

7:00 am-11:48 pm

1 stop16h 48m

$408

MilwaukeeLiberia

MKE - LIR

MKELIR

Milwaukee-Mitchell

Tue 1/6

7:00 am-6:37 pm

2 stops11h 37m

Liberia

Tue 1/13

2:20 pm-10:59 pm

1 stop8h 39m

$475

MilwaukeeLiberia

MKE - LIR

MKELIR

Milwaukee-Mitchell

Fri 1/30

5:00 am-6:37 pm

2 stops13h 37m

Liberia

Tue 2/3

2:20 pm-10:59 pm

1 stop8h 39m

$505

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Milwaukee 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

Prices

Airlines

What is the cheapest month to fly to Costa Rica?

The cheapest month to fly to Costa Rica from Milwaukee is in September. Flight prices, which tend to average around $552, are often lower during this time because this is during the off-season. If you’re not able to fly to Costa Rica in September, then August is your next best option. Flight prices from Milwaukee to Costa Rica during August average around $553.

What is the cheapest day to depart on your flight to Costa Rica?

According to our data, Tuesday is the cheapest day to fly to Costa Rica from Milwaukee. The lowest ticket price found for a Tuesday departure recently was $516. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around $656. These prices are subject to change though, so be sure to set up a Price Alert for flights to Costa Rica.

What is the cheapest time of day to depart on your flight to Costa Rica?

In the afternoon is the cheapest time of day to fly from Milwaukee to Costa Rica when you can find flight prices for as low as $524. Flying to Costa Rica in the afternoon is an ideal time because this is during off-peak travel hours. Flights to Costa Rica are more costly at noon, with an average ticket price of $587. Departure times at noon fall within the peak daily travel times, which is why tickets can be more expensive.

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

You are more likely to see cheaper flights to Costa Rica from Milwaukee when booking weeks ahead of your departure date. In general, you can expect to find flights to Costa Rica for around $656 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Costa Rica from Milwaukee for as low as $486 on momondo.

Cheap Milwaukee to Costa Rica flight deals and tips

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

Fastest flight time	7h 05m
Direct flights	None

The fastest flight from Milwaukee to Costa Rica takes 7h 05m

There are no direct flights from Milwaukee to Costa Rica. There are no popular flight routes from Milwaukee to Costa Rica.

Search flight deals

When did momondo last update prices for flights from Milwaukee-Mitchell Airport to Costa Rica?
Prices for flights from Milwaukee-Mitchell Airport to Costa Rica were last updated today.
How many operators does momondo search for flights from Milwaukee-Mitchell Airport to Costa Rica?
As of December 2025, there are 5 operators available to choose from for flights from Milwaukee-Mitchell Airport to Costa Rica.
How old do you have to be to fly from Milwaukee-Mitchell 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 Milwaukee-Mitchell Airport to Costa Rica.
What documentation or ID do you need to fly to Costa Rica?
The required travel and health documents for your Costa Rica trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Costa Rica. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Milwaukee to Costa Rica

Compare and see reviews for airlines that fly from Milwaukee to Costa Rica with momondo

Airline	Rating	Free Cancellation	Price
Spirit Airlines	PriceFrom $292	Free Cancellation	Rating 6.3 8,179 reviews	Search Spirit Airlines flights
Delta	PriceFrom $385	Free Cancellation	Rating 7.9 8,008 reviews	Search Delta flights
Southwest	PriceFrom $426	Free Cancellation	Rating 7.9 4,253 reviews	Search Southwest flights
American Airlines	PriceFrom $469	Free Cancellation	Rating 7.2 11,050 reviews	Search American Airlines flights
United Airlines	PriceFrom $505	Free Cancellation	Rating 7.4 9,095 reviews	Search United Airlines flights

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Costa Rica from Milwaukee.

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

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

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

momondo provides multiple filters to help you find the best flight to Costa Rica from Milwaukee. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Milwaukee to Costa Rica right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Costa Rica from Milwaukee. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.