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Cheap flights from Milwaukee to Costa Rica from $111

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Milwaukee to Costa Rica departing on 9/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Milwaukee to Costa Rica

Cheap round-trip flights

Logo
6:00 am - 3:13 pmMKE-SJO
10h 13m1 stop
Logo
7:30 am - 11:06 pmSJO-MKE
14h 36m1 stop
$263
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Sat, Aug 23 - Wed, Aug 27
Logo
6:00 am - 3:13 pmMKE-SJO
10h 13m1 stop
Logo
11:27 am - 11:06 pmSJO-MKE
10h 39m1 stop
$301
Find Deal
Sat, Aug 23 - Thu, Aug 28
Logo
6:00 am - 3:13 pmMKE-SJO
10h 13m1 stop
Logo
7:30 am - 11:06 pmSJO-MKE
14h 36m1 stop
$306
Find Deal
Fri, Aug 15 - Fri, Aug 22
Delta Logo
5:25 am - 12:00 pmMKE-LIR
7h 35m1 stop
Delta Logo
1:25 pm - 11:48 pmLIR-MKE
9h 23m1 stop
$385Delta
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Tue, Sep 9 - Tue, Sep 16
United Airlines Logo
8:00 am - 7:37 pmMKE-SJO
12h 37m1 stop
United Airlines Logo
12:44 pm - 11:26 pmSJO-MKE
9h 42m1 stop
$386United Airlines
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Tue, Sep 30 - Fri, Oct 3
American Airlines Logo
6:14 am - 1:02 pmMKE-LIR
7h 48m1 stop
American Airlines Logo
12:49 pm - 10:04 amLIR-MKE
20h 15m2 stops
$389American Airlines
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Mon, Sep 15 - Thu, Sep 18
American Airlines Logo
5:26 am - 7:42 pmMKE-SJO
15h 16m2 stops
American Airlines Logo
6:00 am - 8:00 pmSJO-MKE
13h 00m2 stops
$390American Airlines
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Tue, Sep 9 - Wed, Sep 17
Southwest Logo
5:30 am - 8:30 pmMKE-SJO
15h 00m2 stops
Southwest Logo
9:00 am - 11:35 pmSJO-MKE
14h 35m2 stops
$451Southwest
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Wed, Nov 19 - Wed, Nov 26
United Airlines Logo
8:00 am - 6:37 pmMKE-LIR
10h 37m1 stop
United Airlines Logo
8:35 am - 11:24 amLIR-MKE
26h 49m2 stops
$595United Airlines
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Thu, Nov 20 - Tue, Nov 25
Delta Logo
6:00 am - 12:43 pmMKE-LIR
6h 43m1 stop
Delta Logo
2:10 pm - 11:25 pmLIR-MKE
9h 15m1 stop
$605Delta
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Thu, Nov 20 - Tue, Nov 25

Spirit Airlines flights from Milwaukee to Costa Rica

Our best Spirit Airlines deals on Milwaukee to Costa Rica flight tickets
Spirit Airlines
Aug 27
MKE6:00 amMilwaukee-Mitchell
29h 32m
1 stop
SJO10:32 amSan José Juan Santamaria Intl
Sep 3
SJO11:27 amSan José Juan Santamaria Intl
23h 31m
1 stop
MKE11:58 amMilwaukee-Mitchell
$359
Find similar
Spirit Airlines
Aug 27
MKE6:00 amMilwaukee-Mitchell
29h 32m
1 stop
SJO10:32 amSan José Juan Santamaria Intl
Sep 2
SJO11:27 amSan José Juan Santamaria Intl
10h 39m
1 stop
MKE11:06 pmMilwaukee-Mitchell
$370
Find similar
Spirit Airlines
Aug 24
MKE6:00 amMilwaukee-Mitchell
29h 32m
1 stop
SJO10:32 amSan José Juan Santamaria Intl
Aug 31
SJO11:27 amSan José Juan Santamaria Intl
10h 39m
1 stop
MKE11:06 pmMilwaukee-Mitchell
$388
Find similar

American Airlines flights from Milwaukee to Costa Rica

Our best American Airlines deals on Milwaukee to Costa Rica flight tickets
American Airlines
Sep 15
MKE6:14 amMilwaukee-Mitchell
7h 48m
1 stop
LIR1:02 pmLiberia
Sep 18
LIR12:49 pmLiberia
20h 15m
2 stops
MKE10:04 amMilwaukee-Mitchell
$389
Find similar
American Airlines
Sep 9
MKE5:26 amMilwaukee-Mitchell
15h 16m
2 stops
SJO7:42 pmSan José Juan Santamaria Intl
Sep 17
SJO6:00 amSan José Juan Santamaria Intl
13h 00m
2 stops
MKE8:00 pmMilwaukee-Mitchell
$390
Find similar
American Airlines
Sep 9
MKE11:25 amMilwaukee-Mitchell
7h 32m
1 stop
SJO5:57 pmSan José Juan Santamaria Intl
Sep 22
SJO7:27 amSan José Juan Santamaria Intl
13h 25m
1 stop
MKE9:52 pmMilwaukee-Mitchell
$459
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momondo 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, momondo users made 832,500 searches. Data last updated July 31, 2025.
Use the filters below to find and compare flights from Milwaukee to Costa Rica that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

MilwaukeeSan José

MKE - SJO

MKESJO

Milwaukee-Mitchell

Sat 8/23

6:00 am-3:13 pm

1 stop10h 13m

San José Juan Santamaria Intl

Wed 8/27

7:30 am-11:06 pm

1 stop14h 36m

$263

MilwaukeeSan José

MKE - SJO

MKESJO

Milwaukee-Mitchell

Sat 8/23

6:00 am-3:13 pm

1 stop10h 13m

San José Juan Santamaria Intl

Thu 8/28

11:27 am-11:06 pm

1 stop10h 39m

$301

MilwaukeeSan José

MKE - SJO

MKESJO

Milwaukee-Mitchell

Fri 8/15

6:00 am-3:13 pm

1 stop10h 13m

San José Juan Santamaria Intl

Fri 8/22

7:30 am-11:06 pm

1 stop14h 36m

$306

MilwaukeeLiberia

MKE - LIR

MKELIR

Milwaukee-Mitchell

Tue 9/9

5:25 am-12:00 pm

1 stop7h 35m

Liberia

Tue 9/16

1:25 pm-11:48 pm

1 stop9h 23m

$385

MilwaukeeSan José

MKE - SJO

MKESJO

Milwaukee-Mitchell

Tue 9/30

8:00 am-7:37 pm

1 stop12h 37m

San José Juan Santamaria Intl

Fri 10/3

12:44 pm-11:26 pm

1 stop9h 42m

$386

MilwaukeeLiberia

MKE - LIR

MKELIR

Milwaukee-Mitchell

Mon 9/15

6:14 am-1:02 pm

1 stop7h 48m

Liberia

Thu 9/18

12:49 pm-10:04 am

2 stops20h 15m

$389

MilwaukeeSan José

MKE - SJO

MKESJO

Milwaukee-Mitchell

Tue 9/9

5:26 am-7:42 pm

2 stops15h 16m

San José Juan Santamaria Intl

Wed 9/17

6:00 am-8:00 pm

2 stops13h 00m

$390

MilwaukeeSan José

MKE - SJO

MKESJO

Milwaukee-Mitchell

Wed 11/19

5:30 am-8:30 pm

2 stops15h 00m

San José Juan Santamaria Intl

Wed 11/26

9:00 am-11:35 pm

2 stops14h 35m

$451

MilwaukeeLiberia

MKE - LIR

MKELIR

Milwaukee-Mitchell

Thu 11/20

8:00 am-6:37 pm

1 stop10h 37m

Liberia

Tue 11/25

8:35 am-11:24 am

2 stops26h 49m

$595

MilwaukeeLiberia

MKE - LIR

MKELIR

Milwaukee-Mitchell

Thu 11/20

6:00 am-12:43 pm

1 stop6h 43m

Liberia

Tue 11/25

2:10 pm-11:25 pm

1 stop9h 15m

$605

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Costa Rica from

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

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 $460, 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 $528.

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 $620 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 $514 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

Best Price Found

$111

Fastest flight time

6h 43m

Direct flights

None

Airports in Costa Rica

2 airports
The best one-way flight to Costa Rica from Milwaukee in the past 72 hours is $111. The best round-trip flight deal from Milwaukee to Costa Rica found on momondo in the last 72 hours is $263.
The fastest flight from Milwaukee to Costa Rica takes 6h 43m
There are no direct flights from Milwaukee to Costa Rica. Popular non-direct routes for this connection are Milwaukee-Mitchell Airport - Liberia Airport and Milwaukee-Mitchell Airport - San José Juan Santamaria Intl Airport.
There are 2 airports near Costa Rica: Liberia (LIR), San José Juan Santamaria Intl (SJO)
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  • 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?

  • 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 AirlinesPriceFrom $279Free CancellationRating
6.3
8,049 reviews
Search Spirit Airlines flights
DeltaPriceFrom $366Free CancellationRating
8.0
7,981 reviews
Search Delta flights
United AirlinesPriceFrom $415Free CancellationRating
7.4
8,900 reviews
Search United Airlines flights
SouthwestPriceFrom $463Free CancellationRating
8.0
4,246 reviews
Search Southwest flights
American AirlinesPriceFrom $469Free CancellationRating
7.2
10,000 reviews
Search American 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.

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