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Cheap flights from Thunder Bay to Costa Rica from C$ 539

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 18/4. Fares are subject to change and may not be available on all flights or dates of travel.
YQT — SJO
10 Apr — 17 Apr1
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 11 March 2026.

Sat 18/45:00 a.m.
YQT
-
LIR
2 stops32h 53m
United Airlines
Wed 22/41:20 p.m.
LIR
-
YQT
2 stops27h 00m
United Airlines
Deal found 6/3C$ 539
Mon 13/411:10 a.m.
YQT
-
LIR
2 stops27h 00m
United Airlines
Mon 20/43:27 p.m.
LIR
-
YQT
2 stops53h 33m
United Airlines
Deal found 7/3C$ 584
Mon 20/45:00 a.m.
YQT
-
SJO
2 stops16h 37m
United Airlines
Thu 23/47:15 a.m.
SJO
-
YQT
2 stops13h 45m
United Airlines
Deal found 6/3C$ 713
Wed 22/47:25 p.m.
YQT
-
LIR
2 stops45h 00m
United Airlines
Wed 29/41:20 p.m.
LIR
-
YQT
2 stops27h 00m
United Airlines
Deal found 8/3C$ 767
Mon 30/311:10 a.m.
YQT
-
SJO
2 stops25h 01m
Multiple Airlines
Wed 29/47:15 a.m.
SJO
-
YQT
2 stops33h 05m
Multiple Airlines
Deal found 7/3C$ 785
Tue 31/35:00 a.m.
YQT
-
SJO
2 stops31h 11m
United Airlines
Wed 29/47:55 a.m.
SJO
-
YQT
2 stops37h 05m
United Airlines
Deal found 7/3C$ 808
Sat 18/411:10 a.m.
YQT
-
LIR
1 stop28h 30m
Air Canada
Wed 22/42:45 p.m.
LIR
-
YQT
1 stop30h 15m
Air Canada
Deal found 9/3C$ 820
Mon 23/35:00 a.m.
YQT
-
LIR
2 stops32h 55m
United Airlines
Mon 30/33:27 p.m.
LIR
-
YQT
2 stops25h 03m
United Airlines
Deal found 6/3C$ 1,021
Tue 31/36:20 a.m.
YQT
-
SJO
3 stops30h 22m
Multiple Airlines
Tue 28/41:50 a.m.
SJO
-
YQT
2 stops29h 05m
Multiple Airlines
Deal found 7/3C$ 1,132
Mon 20/47:25 p.m.
YQT
-
SJO
2 stops28h 45m
Air Canada
Thu 23/47:55 a.m.
SJO
-
YQT
1 stop24h 10m
Air Canada
Deal found 6/3C$ 1,151

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 11 March 2026.

Round-trip from

C$ 539
United Airlines
  • United Airlines
  • 18/4-22/4
  • 4 total stops
  • 59h 53m 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 11 March 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

Sat 18/4

5:00 a.m.-11:53 a.m.

2 stops32h 53m

Liberia

Wed 22/4

1:20 p.m.-11:00 p.m.

2 stops31h 40m

C$ 540
Quickest round-trip

Thunder BaySan José

YQT - SJO

YQTSJO

Thunder Bay

Mon 20/4

5:00 a.m.-7:37 p.m.

2 stops16h 37m

San José Juan Santamaria Intl

Thu 23/4

7:15 a.m.-11:00 p.m.

2 stops13h 45m

C$ 713

Thunder BaySan José

YQT - SJO

YQTSJO

Thunder Bay

Tue 31/3

5:00 a.m.-10:11 a.m.

2 stops31h 11m

San José Juan Santamaria Intl

Wed 29/4

7:55 a.m.-11:00 p.m.

2 stops37h 05m

C$ 808

Thunder BayLiberia

YQT - LIR

YQTLIR

Thunder Bay

Sat 18/4

11:10 a.m.-1:40 p.m.

1 stop28h 30m

Liberia

Wed 22/4

2:45 p.m.-11:00 p.m.

1 stop30h 15m

C$ 820

Thunder BayLiberia

YQT - LIR

YQTLIR

Thunder Bay

Mon 23/3

5:00 a.m.-11:55 a.m.

2 stops32h 55m

Liberia

Mon 30/3

3:27 p.m.-6:30 p.m.

2 stops25h 03m

C$ 1,021

Thunder BayLiberia

YQT - LIR

YQTLIR

Thunder Bay

Wed 22/4

6:20 a.m.-1:23 p.m.

1 stop9h 03m

Liberia

Wed 29/4

11:20 a.m.-7:00 p.m.

2 stops29h 40m

C$ 1,073

Thunder BaySan José

YQT - SJO

YQTSJO

Thunder Bay

Mon 20/4

5:00 a.m.-9:35 p.m.

1 stop18h 35m

San José Juan Santamaria Intl

Thu 23/4

7:55 a.m.-11:00 p.m.

1 stop13h 05m

C$ 1,189

Thunder BaySan José

YQT - SJO

YQTSJO

Thunder Bay

Tue 31/3

5:00 a.m.-10:10 p.m.

2 stops19h 10m

San José Juan Santamaria Intl

Wed 29/4

7:55 a.m.-10:05 a.m.

1 stop24h 10m

C$ 1,358

Thunder BayLiberia

YQT - LIR

YQTLIR

Thunder Bay

Mon 23/3

11:15 a.m.-1:50 p.m.

2 stops28h 35m

Liberia

Mon 30/3

3:15 p.m.-6:30 p.m.

1 stop25h 15m

C$ 1,697

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/3

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 11 March 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
423 reviews
Check prices

Crew

8.6

Comfort

8.0

Entertainment

7.0

Overall

8.0

Food

7.6

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

John,Mar 2026

YYZ - PVR

I'm 6ft 4in. The seats don't have enough room. But was a good flight.
Porter Airlines
8.0
Very good
423 reviews
Porter Airlines
8.0
Very good
423 reviews
Check prices

Crew

8.6

Comfort

8.0

Entertainment

7.0

Overall

8.0

Food

7.6

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

John,Mar 2026

YYZ - PVR

I'm 6ft 4in. The seats don't have enough room. But was a good flight.

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 28h 30m. United Airlines provides one of the quickest options available for as low as C$ 820. 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 11 March 2026.
AirlineCheapestAverageFlexibilityOn-time
Porter AirlinesCheapestC$ 779AverageC$ 898FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights

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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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