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Cheap flights from Milwaukee to Costa Rica from $204

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 1/26. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Cheap round-trip flights

Delta Logo
10:16 am - 10:07 pmMKE-SJO
11h 51m1 stop
Delta Logo
7:00 am - 8:18 pmSJO-MKE
13h 18m1 stop
$426Delta
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Wed, Nov 19 - Wed, Nov 26
American Airlines Logo
6:00 am - 9:05 pmMKE-SJO
15h 05m2 stops
American Airlines Logo
7:00 am - 5:43 pmSJO-MKE
10h 43m2 stops
$430American Airlines
Find Deal
Wed, Nov 19 - Tue, Nov 25
Delta Logo
10:25 am - 10:15 pmMKE-SJO
11h 50m1 stop
Delta Logo
2:20 pm - 11:27 pmSJO-MKE
9h 07m1 stop
$440Delta
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Sun, Feb 8 - Wed, Feb 11
Spirit Airlines Logo
7:38 pm - 11:30 amMKE-SJO
16h 52m2 stops
Spirit Airlines Logo
11:37 am - 12:42 pmSJO-MKE
24h 05m1 stop
$442Spirit Airlines
Find Deal
Mon, Oct 6 - Sat, Oct 11
American Airlines Logo
6:48 pm - 12:19 pmMKE-SJO
17h 31m1 stop
American Airlines Logo
6:00 am - 3:07 pmSJO-MKE
9h 07m1 stop
$446American Airlines
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Mon, Dec 1 - Mon, Dec 15
Spirit Airlines Logo
7:38 pm - 11:30 amMKE-SJO
16h 52m2 stops
Spirit Airlines Logo
12:35 pm - 12:42 pmSJO-MKE
23h 07m2 stops
$478Spirit Airlines
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Mon, Oct 6 - Sat, Oct 11
United Airlines Logo
5:00 am - 7:37 pmMKE-SJO
15h 37m2 stops
United Airlines Logo
1:30 pm - 10:44 pmSJO-MKE
8h 14m1 stop
$532United Airlines
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Thu, Oct 16 - Thu, Oct 23
United Airlines Logo
2:45 pm - 11:25 amMKE-SJO
20h 40m2 stops
United Airlines Logo
11:28 pm - 10:44 amSJO-MKE
11h 16m1 stop
$540United Airlines
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Sun, Nov 23 - Tue, Dec 2
Alaska Airlines Logo
2:36 pm - 6:45 amMKE-LIR
16h 09m2 stops
Alaska Airlines Logo
11:00 am - 1:45 pmLIR-MKE
26h 45m2 stops
$576Alaska Airlines
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Thu, Jan 29 - Thu, Feb 5
Alaska Airlines Logo
2:36 pm - 6:45 amMKE-LIR
16h 09m2 stops
Alaska Airlines Logo
11:00 am - 1:45 pmLIR-MKE
26h 45m3 stops
$612Alaska Airlines
Find Deal
Thu, Jan 29 - Thu, Feb 5

Delta flights from Milwaukee to Costa Rica

Our best Delta deals on Milwaukee to Costa Rica flight tickets
Delta
Nov 19
MKE10:16 amMilwaukee-Mitchell
11h 51m
1 stop
SJO10:07 pmSan José Juan Santamaria Intl
Nov 26
SJO7:00 amSan José Juan Santamaria Intl
13h 18m
1 stop
MKE8:18 pmMilwaukee-Mitchell
$426
Find similar
Delta
Feb 8
MKE10:25 amMilwaukee-Mitchell
11h 50m
1 stop
SJO10:15 pmSan José Juan Santamaria Intl
Feb 11
SJO2:20 pmSan José Juan Santamaria Intl
9h 07m
1 stop
MKE11:27 pmMilwaukee-Mitchell
$440
Find similar
Delta
Mar 4
MKE5:45 amMilwaukee-Mitchell
7h 10m
1 stop
SJO12:55 pmSan José Juan Santamaria Intl
Mar 12
SJO7:00 amSan José Juan Santamaria Intl
11h 05m
1 stop
MKE7:05 pmMilwaukee-Mitchell
$463
Find similar

American Airlines flights from Milwaukee to Costa Rica

Our best American Airlines deals on Milwaukee to Costa Rica flight tickets
American Airlines
Nov 19
MKE6:00 amMilwaukee-Mitchell
15h 05m
2 stops
SJO9:05 pmSan José Juan Santamaria Intl
Nov 25
SJO7:00 amSan José Juan Santamaria Intl
10h 43m
2 stops
MKE5:43 pmMilwaukee-Mitchell
$430
Find similar
American Airlines
Dec 1
MKE6:48 pmMilwaukee-Mitchell
17h 31m
1 stop
SJO12:19 pmSan José Juan Santamaria Intl
Dec 15
SJO6:00 amSan José Juan Santamaria Intl
9h 07m
1 stop
MKE3:07 pmMilwaukee-Mitchell
$446
Find similar
American Airlines
Nov 15
MKE9:05 amMilwaukee-Mitchell
12h 12m
2 stops
SJO9:17 pmSan José Juan Santamaria Intl
Nov 21
SJO1:11 pmSan José Juan Santamaria Intl
10h 32m
2 stops
MKE11:43 pmMilwaukee-Mitchell
$450
Find similar

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 September 19, 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

Wed 11/19

10:16 am-10:07 pm

1 stop11h 51m

San José Juan Santamaria Intl

Wed 11/26

7:00 am-8:18 pm

1 stop13h 18m

$426

MilwaukeeSan José

MKE - SJO

MKESJO

Milwaukee-Mitchell

Wed 11/19

6:00 am-9:05 pm

2 stops15h 05m

San José Juan Santamaria Intl

Tue 11/25

7:00 am-5:43 pm

2 stops10h 43m

$430

MilwaukeeSan José

MKE - SJO

MKESJO

Milwaukee-Mitchell

Sun 2/8

10:25 am-10:15 pm

1 stop11h 50m

San José Juan Santamaria Intl

Wed 2/11

2:20 pm-11:27 pm

1 stop9h 07m

$440

MilwaukeeSan José

MKE - SJO

MKESJO

Milwaukee-Mitchell

Mon 10/6

7:38 pm-11:30 am

2 stops16h 52m

San José Juan Santamaria Intl

Sat 10/11

11:37 am-12:42 pm

1 stop24h 05m

$442

MilwaukeeSan José

MKE - SJO

MKESJO

Milwaukee-Mitchell

Mon 12/1

6:48 pm-12:19 pm

1 stop17h 31m

San José Juan Santamaria Intl

Mon 12/15

6:00 am-3:07 pm

1 stop9h 07m

$446

MilwaukeeSan José

MKE - SJO

MKESJO

Milwaukee-Mitchell

Mon 10/6

7:38 pm-11:30 am

2 stops16h 52m

San José Juan Santamaria Intl

Sat 10/11

12:35 pm-12:42 pm

2 stops23h 07m

$478

MilwaukeeSan José

MKE - SJO

MKESJO

Milwaukee-Mitchell

Thu 10/16

5:00 am-7:37 pm

2 stops15h 37m

San José Juan Santamaria Intl

Thu 10/23

1:30 pm-10:44 pm

1 stop8h 14m

$532

MilwaukeeSan José

MKE - SJO

MKESJO

Milwaukee-Mitchell

Sun 11/23

2:45 pm-11:25 am

2 stops20h 40m

San José Juan Santamaria Intl

Tue 12/2

11:28 pm-10:44 am

1 stop11h 16m

$540

MilwaukeeLiberia

MKE - LIR

MKELIR

Milwaukee-Mitchell

Thu 1/29

2:36 pm-6:45 am

2 stops16h 09m

Liberia

Thu 2/5

11:00 am-1:45 pm

2 stops26h 45m

$576

MilwaukeeLiberia

MKE - LIR

MKELIR

Milwaukee-Mitchell

Thu 1/29

2:36 pm-6:45 am

2 stops16h 09m

Liberia

Thu 2/5

11:00 am-1:45 pm

3 stops26h 45m

$612

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 $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 $582.

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 $634 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 $578 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

Direct flights

None
There are no direct flights from Milwaukee to Costa Rica. There are no popular flight routes from Milwaukee to Costa Rica.
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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
8,030 reviews
Search Spirit Airlines flights
DeltaPriceFrom $385Free CancellationRating
7.9
7,964 reviews
Search Delta flights
SouthwestPriceFrom $417Free CancellationRating
8.0
4,242 reviews
Search Southwest flights
United AirlinesPriceFrom $475Free CancellationRating
7.4
8,926 reviews
Search United Airlines flights
American AirlinesPriceFrom $478Free 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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