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Cheap flights from Thunder Bay to Costa Rica from C$ 327

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 28/2. Fares are subject to change and may not be available on all flights or dates of travel.
YQT — SJO
14 Feb — 21 Feb1
1 adult
1 adult, Economy, 0 bags

Cheap 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 15 January 2026.

Round-trip from

C$ 534

One-way from

C$ 327
United Airlines
  • United Airlines
  • 2/2-9/2
  • 4 total stops
  • 94h 19m total
  • Thunder Bay to Costa Rica
Search Deals
United Airlines
  • United Airlines
  • 28/2
  • 2 total stops
  • 42h 31m total
  • Thunder Bay to Costa Rica
Search Deals

Find 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 15 January 2026.

Sun 18/18:10 p.m.
YQT
-
LIR
1 stop19h 35m
Air Canada
Thu 22/13:45 p.m.
LIR
-
YQT
1 stop30h 50m
Air Canada
Deal found 13/1C$ 452
Sun 18/18:10 p.m.
YQT
-
LIR
2 stops47h 27m
United Airlines
Thu 22/12:01 p.m.
LIR
-
YQT
2 stops32h 34m
United Airlines
Deal found 14/1C$ 453
Mon 2/27:25 p.m.
YQT
-
LIR
2 stops42h 45m
United Airlines
Mon 9/22:01 p.m.
LIR
-
YQT
2 stops51h 34m
United Airlines
Deal found 15/1C$ 534
Mon 23/36:00 a.m.
YQT
-
LIR
1 stop10h 25m
Porter Airlines
Mon 30/33:40 p.m.
LIR
-
YQT
2 stops20h 02m
Porter Airlines
Deal found 13/1C$ 541
Fri 6/27:25 p.m.
YQT
-
LIR
2 stops42h 30m
United Airlines
Fri 20/28:35 a.m.
LIR
-
YQT
2 stops37h 30m
United Airlines
Deal found 14/1C$ 549
Wed 21/15:00 a.m.
YQT
-
LIR
1 stop10h 45m
Air Canada
Wed 4/23:45 p.m.
LIR
-
YQT
1 stop31h 05m
Air Canada
Deal found 13/1C$ 586
Sun 24/55:15 a.m.
YQT
-
SJO
2 stops30h 56m
United Airlines
Tue 26/512:30 a.m.
SJO
-
YQT
2 stops14h 45m
United Airlines
Deal found 13/1C$ 655
Sun 24/56:15 p.m.
YQT
-
SJO
1 stop29h 45m
Air Canada
Wed 27/58:00 a.m.
SJO
-
YQT
1 stop31h 15m
Air Canada
Deal found 14/1C$ 684
Tue 24/27:25 p.m.
YQT
-
SJO
2 stops42h 31m
United Airlines
Tue 3/311:28 p.m.
SJO
-
YQT
2 stops17h 57m
United Airlines
Deal found 14/1C$ 816
Fri 6/27:25 p.m.
YQT
-
SJO
2 stops42h 31m
United Airlines
Fri 20/22:05 p.m.
SJO
-
YQT
2 stops32h 00m
United Airlines
Deal found 14/1C$ 880
Tue 24/25:00 a.m.
YQT
-
SJO
1 stop20h 05m
Air Canada
Tue 3/38:35 a.m.
SJO
-
YQT
1 stop9h 05m
Air Canada
Deal found 14/1C$ 1,313
Fri 6/27:25 p.m.
YQT
-
SJO
1 stop29h 40m
Air Canada
Fri 20/28:35 a.m.
SJO
-
YQT
1 stop13h 30m
Air Canada
Deal found 14/1C$ 1,543

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 15 January 2026.
Use the filters below to find and compare flights from Thunder Bay to Costa Rica that are best for you.

Fly from

Thunder Bay

Fly to

Costa Rica

Route

Depart

Return

Price

Thunder BayLiberia

YQT - LIR

YQTLIR

Thunder Bay

Mon 2/2

7:25 p.m.-1:10 p.m.

2 stops42h 45m

Liberia

Mon 9/2

2:01 p.m.-6:35 p.m.

2 stops51h 34m

C$ 534

Thunder BayLiberia

YQT - LIR

YQTLIR

Thunder Bay

Mon 23/3

6:00 a.m.-2:25 p.m.

1 stop10h 25m

Liberia

Mon 30/3

3:40 p.m.-1:42 p.m.

2 stops20h 02m

C$ 541

Thunder BayLiberia

YQT - LIR

YQTLIR

Thunder Bay

Fri 6/2

7:25 p.m.-12:55 p.m.

2 stops42h 30m

Liberia

Fri 20/2

8:35 a.m.-11:05 p.m.

2 stops37h 30m

C$ 549

Thunder BaySan José

YQT - SJO

YQTSJO

Thunder Bay

Sun 24/5

5:15 a.m.-10:11 a.m.

2 stops30h 56m

San José Juan Santamaria Intl

Tue 26/5

12:30 a.m.-5:15 p.m.

2 stops14h 45m

C$ 655

Thunder BaySan José

YQT - SJO

YQTSJO

Thunder Bay

Sun 24/5

6:15 p.m.-10:00 p.m.

1 stop29h 45m

San José Juan Santamaria Intl

Wed 27/5

8:00 a.m.-5:15 p.m.

1 stop31h 15m

C$ 684

Thunder BayLiberia

YQT - LIR

YQTLIR

Thunder Bay

Tue 24/2

7:25 p.m.-12:55 p.m.

2 stops42h 30m

Liberia

Tue 3/3

8:35 a.m.-11:05 p.m.

2 stops37h 30m

C$ 703

Thunder BayLiberia

YQT - LIR

YQTLIR

Thunder Bay

Tue 27/1

11:50 a.m.-3:00 p.m.

1 stop28h 10m

Liberia

Tue 17/2

4:20 p.m.-7:42 p.m.

2 stops26h 22m

C$ 748

Thunder BayLiberia

YQT - LIR

YQTLIR

Thunder Bay

Sat 28/2

7:25 p.m.-6:37 p.m.

2 stops48h 12m

Liberia

Sat 7/3

2:20 p.m.-5:25 p.m.

2 stops26h 05m

C$ 749

Thunder BaySan José

YQT - SJO

YQTSJO

Thunder Bay

Tue 24/2

7:25 p.m.-12:56 p.m.

2 stops42h 31m

San José Juan Santamaria Intl

Tue 3/3

11:28 p.m.-6:25 p.m.

2 stops17h 57m

C$ 816

Thunder BaySan José

YQT - SJO

YQTSJO

Thunder Bay

Fri 6/2

7:25 p.m.-12:56 p.m.

2 stops42h 31m

San José Juan Santamaria Intl

Fri 20/2

2:05 p.m.-11:05 p.m.

2 stops32h 00m

C$ 880

Flights are sorted by cheapest round-trip flights first.

Deals found on 14/1

Showing 1-10 of 15 results
1
2

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 15 January 2026.
Check out reviews from past customers who have flown with Porter Airlines,United Airlines, andAir Canada 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
407 reviews
Check prices

Crew

8.6

Entertainment

7.0

Food

7.6

Overall

8.0

Boarding

8.2

Comfort

7.9

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out
Porter Airlines
8.0
Very good
407 reviews
Porter Airlines
8.0
Very good
407 reviews
Check prices

Crew

8.6

Entertainment

7.0

Food

7.6

Overall

8.0

Boarding

8.2

Comfort

7.9

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out
United Airlines
7.4
Good
9,164 reviews
Porter Airlines
8.0
Very good
407 reviews
Check prices

Crew

8.6

Entertainment

7.0

Food

7.6

Overall

8.0

Boarding

8.2

Comfort

7.9

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out
Air Canada
7.1
Good
10,622 reviews
Porter Airlines
8.0
Very good
407 reviews
Check prices

Crew

8.6

Entertainment

7.0

Food

7.6

Overall

8.0

Boarding

8.2

Comfort

7.9

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out

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 10h 25m. United Airlines provides one of the quickest options available for as low as C$ 541. 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 3 airlines flying from Thunder Bay to Costa Rica

Discover the top 3 airlines 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 15 January 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 381AverageC$ 727FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapestC$ 396AverageC$ 408FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Porter AirlinesCheapestC$ 797AverageC$ 881FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights

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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.

Can Cheapflights find flights from Thunder Bay to Costa Rica with no change fees?

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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