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Cheap flights from Thunder Bay to Costa Rica from C$ 567

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 2/6. Fares are subject to change and may not be available on all flights or dates of travel.
YQT — SJO
26 Jun — 3 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 27 May 2026.

Tue 2/65:10 a.m.
YQT
-
LIR
2 stops31h 34m
United Airlines
Sat 13/63:27 p.m.
LIR
-
YQT
2 stops53h 48m
United Airlines
Deal found 23/5C$ 567
Sun 24/56:25 p.m.
YQT
-
SJO
2 stops30h 14m
United Airlines
Sun 31/57:55 a.m.
SJO
-
YQT
2 stops37h 20m
United Airlines
Deal found 23/5C$ 659
Sat 24/105:15 a.m.
YQT
-
SJO
2 stops43h 00m
Air Canada
Tue 27/107:35 a.m.
SJO
-
YQT
1 stop13h 15m
Air Canada
Deal found 23/5C$ 664
Fri 10/75:10 a.m.
YQT
-
LIR
2 stops32h 43m
United Airlines
Thu 16/73:27 p.m.
LIR
-
YQT
2 stops29h 22m
United Airlines
Deal found 23/5C$ 712
Thu 4/65:10 a.m.
YQT
-
SJO
2 stops43h 29m
United Airlines
Sat 13/612:30 a.m.
SJO
-
YQT
2 stops44h 45m
United Airlines
Deal found 23/5C$ 713
Tue 22/95:15 a.m.
YQT
-
SJO
2 stops16h 22m
United Airlines
Fri 25/912:44 p.m.
SJO
-
YQT
2 stops32h 04m
United Airlines
Deal found 25/5C$ 763
Tue 29/911:45 a.m.
YQT
-
LIR
2 stops26h 25m
United Airlines
Thu 1/101:20 p.m.
LIR
-
YQT
2 stops25h 58m
United Airlines
Deal found 24/5C$ 773
Tue 22/911:45 a.m.
YQT
-
SJO
1 stop12h 15m
Air Canada
Fri 25/97:10 a.m.
SJO
-
YQT
1 stop25h 38m
Air Canada
Deal found 24/5C$ 773
Tue 7/711:20 a.m.
YQT
-
LIR
2 stops25h 24m
United Airlines
Thu 16/73:27 p.m.
LIR
-
YQT
2 stops23h 57m
United Airlines
Deal found 23/5C$ 776
Thu 4/65:10 a.m.
YQT
-
LIR
2 stops31h 34m
United Airlines
Sun 14/64:30 p.m.
LIR
-
YQT
2 stops28h 45m
United Airlines
Deal found 23/5C$ 917
Thu 9/75:10 a.m.
YQT
-
LIR
2 stops31h 34m
United Airlines
Thu 16/73:27 p.m.
LIR
-
YQT
2 stops23h 57m
United Airlines
Deal found 25/5C$ 959
Thu 4/67:20 p.m.
YQT
-
LIR
2 stops43h 05m
WestJet
Sun 14/67:15 a.m.
LIR
-
YQT
2 stops25h 10m
WestJet
Deal found 24/5C$ 969

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 27 May 2026.

Round-trip from

C$ 664
Air Canada
  • Air Canada
  • 24/10-27/10
  • 3 total stops
  • 56h 15m 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 27 May 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 BaySan José

YQT - SJO

YQTSJO

Thunder Bay

Sat 24/10

5:15 a.m.-10:15 p.m.

2 stops43h 00m

San José Juan Santamaria Intl

Tue 27/10

7:35 a.m.-10:50 p.m.

1 stop13h 15m

C$ 664

Thunder BayLiberia

YQT - LIR

YQTLIR

Thunder Bay

Fri 10/7

5:10 a.m.-11:53 a.m.

2 stops32h 43m

Liberia

Thu 16/7

3:27 p.m.-10:49 p.m.

2 stops29h 22m

C$ 712

Thunder BaySan José

YQT - SJO

YQTSJO

Thunder Bay

Sat 24/10

11:45 a.m.-10:25 a.m.

2 stops24h 40m

San José Juan Santamaria Intl

Tue 27/10

10:28 p.m.-10:50 p.m.

2 stops22h 22m

C$ 763

Thunder BaySan José

YQT - SJO

YQTSJO

Thunder Bay

Tue 22/9

5:15 a.m.-7:37 p.m.

2 stops16h 22m

San José Juan Santamaria Intl

Fri 25/9

12:44 p.m.-10:48 p.m.

2 stops32h 04m

C$ 763
Quickest round-trip

Thunder BaySan José

YQT - SJO

YQTSJO

Thunder Bay

Tue 22/9

11:45 a.m.-10:00 p.m.

1 stop12h 15m

San José Juan Santamaria Intl

Fri 25/9

7:10 a.m.-10:48 a.m.

1 stop25h 38m

C$ 773

Thunder BayLiberia

YQT - LIR

YQTLIR

Thunder Bay

Tue 29/9

5:15 a.m.-12:10 p.m.

2 stops32h 55m

Liberia

Thu 1/10

1:20 p.m.-10:48 p.m.

2 stops31h 28m

C$ 773

Thunder BayLiberia

YQT - LIR

YQTLIR

Thunder Bay

Tue 7/7

11:20 a.m.-10:44 a.m.

2 stops25h 24m

Liberia

Thu 16/7

3:27 p.m.-5:24 p.m.

2 stops23h 57m

C$ 776

Thunder BayLiberia

YQT - LIR

YQTLIR

Thunder Bay

Thu 9/7

5:10 a.m.-10:44 a.m.

2 stops31h 34m

Liberia

Thu 16/7

3:27 p.m.-5:24 p.m.

2 stops23h 57m

C$ 959

Thunder BayLiberia

YQT - LIR

YQTLIR

Thunder Bay

Thu 9/7

10:10 a.m.-12:25 p.m.

1 stop28h 15m

Liberia

Thu 16/7

9:03 a.m.-7:00 p.m.

2 stops31h 57m

C$ 1,721

Flights are sorted by cheapest round-trip flights first.

Deals found on 23/5

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 27 May 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

Comfort

8.0

Boarding

8.2

Crew

8.6

Entertainment

7.0

Food

7.6

Overall

8.0

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
439 reviews
Porter Airlines
8.0
Very good
439 reviews
Check prices

Comfort

8.0

Boarding

8.2

Crew

8.6

Entertainment

7.0

Food

7.6

Overall

8.0

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 32h 43m. Air Canada provides one of the quickest options available for as low as C$ 712. 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 27 May 2026.
AirlineCheapestAverageFlexibilityOn-time
Porter AirlinesCheapestC$ 793AverageC$ 924FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights

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