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Cheap flights from Thunder Bay to Costa Rica from C$ 384

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 3/8. Fares are subject to change and may not be available on all flights or dates of travel.
YQT — SJO
24 Jul — 31 Jul1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Thunder Bay to Costa Rica

Enter your travel dates to find the best prices.

Cheapest flights from Thunder Bay to Costa Rica
Explore the most affordable flight options available from Thunder Bay to Costa Rica. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 24 June 2026.

Sun 25/103:45 p.m.
YQT
-
LIR
2 stops23h 44m
WestJet
Thu 29/102:20 p.m.
LIR
-
YQT
2 stops46h 50m
WestJet
Deal found 19/6C$ 454
Sun 25/1010:55 a.m.
YQT
-
LIR
1 stop28h 00m
Air Canada
Thu 29/101:55 p.m.
LIR
-
YQT
1 stop18h 10m
Air Canada
Deal found 19/6C$ 535
Tue 23/66:25 p.m.
YQT
-
LIR
2 stops22h 00m
United Airlines
Tue 30/611:10 a.m.
LIR
-
YQT
2 stops33h 39m
United Airlines
Deal found 22/6C$ 646
Wed 28/105:00 a.m.
YQT
-
SJO
1 stop18h 05m
Air Canada
Sat 31/107:35 a.m.
SJO
-
YQT
1 stop31h 31m
Air Canada
Deal found 22/6C$ 715
Tue 4/810:10 a.m.
YQT
-
SJO
2 stops15h 30m
Multiple Airlines
Wed 12/83:10 p.m.
SJO
-
YQT
2 stops15h 45m
Multiple Airlines
Deal found 24/6C$ 1,163
Tue 4/85:05 a.m.
YQT
-
SJO
2 stops43h 34m
United Airlines
Wed 12/87:15 a.m.
SJO
-
YQT
2 stops32h 14m
United Airlines
Deal found 23/6C$ 1,173
Tue 4/86:25 p.m.
YQT
-
SJO
2 stops27h 55m
Avianca
Wed 12/85:05 a.m.
SJO
-
YQT
2 stops15h 44m
Avianca
Deal found 23/6C$ 1,234
Tue 4/86:25 p.m.
YQT
-
SJO
2 stops27h 55m
Air Canada
Wed 12/87:10 a.m.
SJO
-
YQT
1 stop25h 34m
Air Canada
Deal found 24/6C$ 1,247
Tue 23/610:10 a.m.
YQT
-
LIR
1 stop28h 20m
Multiple Airlines
Tue 30/612:40 p.m.
LIR
-
YQT
2 stops42h 15m
Multiple Airlines
Deal found 22/6C$ 1,397

Find flight deals from Thunder Bay to Costa Rica

Keep the following information in mind while searching for Thunder Bay to Costa Rica flight deals. Data was last updated 24 June 2026.

Round-trip from

C$ 454

One-way from

C$ 384
WestJet
  • WestJet
  • 25/10-29/10
  • 4 total stops
  • 70h 34m total
  • Thunder Bay to Costa Rica
Search Deals
United Airlines
  • United Airlines
  • 3/8
  • 2 total stops
  • 41h 25m total
  • Thunder Bay to Costa Rica
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Thunder Bay 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 629,999 searches. Data last updated 24 June 2026.
Use the filters below to find and compare flights from Thunder Bay to Costa Rica that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Thunder BayLiberia

YQT - LIR

YQTLIR

Thunder Bay

Sun 25/10

3:45 p.m.-1:29 p.m.

2 stops23h 44m

Liberia

Thu 29/10

2:20 p.m.-3:10 p.m.

2 stops46h 50m

C$ 454

Thunder BayLiberia

YQT - LIR

YQTLIR

Thunder Bay

Sun 25/10

10:55 a.m.-12:55 p.m.

1 stop28h 00m

Liberia

Thu 29/10

1:55 p.m.-10:05 a.m.

1 stop18h 10m

C$ 535

Thunder BaySan José

YQT - SJO

YQTSJO

Thunder Bay

Wed 28/10

5:00 a.m.-9:05 p.m.

1 stop18h 05m

San José Juan Santamaria Intl

Sat 31/10

7:35 a.m.-5:06 p.m.

1 stop31h 31m

C$ 715
Quickest round-trip

Thunder BaySan José

YQT - SJO

YQTSJO

Thunder Bay

Tue 4/8

10:10 a.m.-11:40 p.m.

2 stops15h 30m

San José Juan Santamaria Intl

Wed 12/8

3:10 p.m.-8:55 a.m.

2 stops15h 45m

C$ 1,163

Thunder BaySan José

YQT - SJO

YQTSJO

Thunder Bay

Tue 4/8

5:05 a.m.-10:39 p.m.

2 stops43h 34m

San José Juan Santamaria Intl

Wed 12/8

7:15 a.m.-5:29 p.m.

2 stops32h 14m

C$ 1,173

Thunder BaySan José

YQT - SJO

YQTSJO

Thunder Bay

Tue 4/8

6:25 p.m.-8:20 p.m.

2 stops27h 55m

San José Juan Santamaria Intl

Wed 12/8

5:05 a.m.-10:49 p.m.

2 stops15h 44m

C$ 1,234
Cheapest one-way

Thunder BayLiberia

YQT - LIR

YQTLIR

Thunder Bay

Mon 3/8

6:25 p.m.-9:50 a.m.

2 stops41h 25m

C$ 384
Quickest one-way

Thunder BaySan José

YQT - SJO

YQTSJO

Thunder Bay

Wed 8/7

11:20 a.m.-11:40 p.m.

2 stops14h 20m

C$ 590

Thunder BayLiberia

YQT - LIR

YQTLIR

Thunder Bay

Mon 3/8

6:30 a.m.-12:25 p.m.

1 stop31h 55m

C$ 663

Thunder BaySan José

YQT - SJO

YQTSJO

Thunder Bay

Wed 8/7

6:25 p.m.-10:00 p.m.

1 stop29h 35m

C$ 724

Flights are sorted by cheapest round-trip flights first.

Deals found on 19/6

Sorted by cheapest first

Best time to book a flight from Thunder Bay to Costa Rica

Have a flexible travel schedule? Discover the best time to fly to Costa Rica from Thunder Bay 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 Thunder Bay to Costa Rica
No data available for this route at this time. Please check back soon.

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 24 June 2026.
Check out reviews from past customers who have flown with Porter Airlines from Thunder Bay to Costa Rica to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Porter Airlines
8.0
Very good
439 reviews
Check prices

Food

7.5

Overall

8.0

Comfort

7.9

Crew

8.6

Boarding

8.2

Entertainment

6.9

Reviews

1 / 20
6.0
Good

Justin,May 2026

YYZ - MCO

Staff very nice. Seats were uncomfortable. Complimentary snacks leave much to be desired.
Porter Airlines
8.0
Very good
439 reviews
Porter Airlines
8.0
Very good
439 reviews
Check prices

Food

7.5

Overall

8.0

Comfort

7.9

Crew

8.6

Boarding

8.2

Entertainment

6.9

Reviews

1 / 20
6.0
Good

Justin,May 2026

YYZ - MCO

Staff very nice. Seats were uncomfortable. Complimentary snacks leave much to be desired.

Related info for your journey

Find useful and relevant information for your journey from Thunder Bay 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 Thunder Bay to Costa Rica?

    Most people fly from Thunder Bay (YQT) if they book a flight from Thunder Bay to Costa Rica. Thunder Bay is conveniently located just 5.6 km from Thunder Bay’s city centre.

  • How long is the flight from Thunder Bay to Costa Rica?

    A quick flight from Thunder Bay to Costa Rica can take about 23h 44m. WestJet provides one of the quickest options available for as low as C$ 454. There are 4213 km between Thunder Bay and Costa Rica. This flight may include one or multiple stops.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Thunder Bay 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.

See more FAQs

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Alternative routes for Thunder Bay to Costa Rica

See prices for flight routes from nearby airports that may be better suited for you.
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Top airline flying from Thunder Bay to Costa Rica

Discover the top airline that operate flights from Thunder Bay 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 629,999 searches. Data last updated 24 June 2026.
AirlineCheapestAverageFlexibilityOn-time
Porter AirlinesCheapestC$ 814AverageC$ 948FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Thunder Bay to Costa Rica?

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Why should you use Cheapflights to find cheap flight tickets from Thunder Bay to Costa Rica?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Costa Rica from Thunder Bay.

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Yes, we can. To see specific flights from Thunder Bay to Costa Rica with no change fees, users can toggle flexible booking options after using the search form above to find flights.

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