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Cheap flights from Thunder Bay to Costa Rica from C$ 250

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 30/12. Fares are subject to change and may not be available on all flights or dates of travel.
YQT — SJO
16 Oct — 23 Oct1
1 adult
1 adult, Economy

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 16 September 2025.

Round-trip from

C$ 515

One-way from

C$ 250
United Airlines
  • United Airlines
  • 28/2-8/3
  • 4 total stops
  • 66h 25m total
  • Thunder Bay to Costa Rica
Search Deals
United Airlines
  • United Airlines
  • 30/12
  • 2 total stops
  • 34h 40m total
  • Thunder Bay to Costa Rica
Search Deals

Find flight deals from Thunder Bay to Costa Rica

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 16 September 2025.

Fri 14/117:35 p.m.YQT - LIR
2 stops24h 02mMultiple Airlines
Tue 18/115:15 p.m.LIR - YQT
2 stops28h 50mMultiple Airlines
Deal found 14/9C$ 558
Fri 14/115:00 a.m.YQT - LIR
1 stop10h 45mAir Canada
Tue 18/112:55 p.m.LIR - YQT
2 stops26h 50mAir Canada
Deal found 14/9C$ 794
Mon 13/105:00 p.m.YQT - SJO
2 stops21h 26mUnited Airlines
Sat 18/107:55 a.m.SJO - YQT
2 stops29h 50mUnited Airlines
Deal found 15/9C$ 862
Mon 13/107:00 a.m.YQT - SJO
3 stops28h 20mMultiple Airlines
Sat 18/105:05 a.m.SJO - YQT
2 stops15h 10mMultiple Airlines
Deal found 15/9C$ 1,105

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 16 September 2025.
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

Sat 28/2

5:00 a.m.-12:55 p.m.

2 stops32h 55m

Liberia

Sun 8/3

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

2 stops33h 30m

C$ 515

Thunder BayLiberia

YQT - LIR

YQTLIR

Thunder Bay

Mon 2/3

11:15 a.m.-1:10 p.m.

2 stops26h 55m

Liberia

Mon 9/3

1:01 p.m.-6:25 p.m.

2 stops27h 24m

C$ 515

Thunder BayLiberia

YQT - LIR

YQTLIR

Thunder Bay

Fri 14/11

7:35 p.m.-6:37 p.m.

2 stops24h 02m

Liberia

Tue 18/11

5:15 p.m.-11:05 p.m.

2 stops28h 50m

C$ 558

Thunder BayLiberia

YQT - LIR

YQTLIR

Thunder Bay

Mon 2/3

5:00 a.m.-2:45 p.m.

1 stop10h 45m

Liberia

Mon 9/3

2:45 p.m.-11:05 p.m.

1 stop30h 20m

C$ 714

Thunder BayLiberia

YQT - LIR

YQTLIR

Thunder Bay

Fri 14/11

5:00 a.m.-2:45 p.m.

1 stop10h 45m

Liberia

Tue 18/11

2:55 p.m.-6:45 p.m.

2 stops26h 50m

C$ 794

Thunder BayLiberia

YQT - LIR

YQTLIR

Thunder Bay

Mon 2/3

9:30 a.m.-2:40 p.m.

1 stop30h 10m

Liberia

Mon 9/3

2:40 p.m.-9:24 p.m.

2 stops28h 44m

C$ 808

Thunder BaySan José

YQT - SJO

YQTSJO

Thunder Bay

Mon 13/10

5:00 p.m.-12:26 p.m.

2 stops21h 26m

San José Juan Santamaria Intl

Sat 18/10

7:55 a.m.-3:45 p.m.

2 stops29h 50m

C$ 862

Thunder BayLiberia

YQT - LIR

YQTLIR

Thunder Bay

Sat 28/2

7:35 p.m.-2:45 p.m.

1 stop20h 10m

Liberia

Sun 8/3

2:45 p.m.-10:05 a.m.

1 stop17h 20m

C$ 955

Thunder BayLiberia

YQT - LIR

YQTLIR

Thunder Bay

Sat 28/2

6:00 a.m.-2:40 p.m.

2 stops33h 40m

Liberia

Sun 8/3

2:40 p.m.-9:30 p.m.

1 stop28h 50m

C$ 1,039

Thunder BayLiberia

YQT - LIR

YQTLIR

Thunder Bay

Sat 28/2

9:30 a.m.-2:40 p.m.

1 stop30h 10m

Liberia

Sun 8/3

2:40 p.m.-11:09 a.m.

2 stops18h 29m

C$ 1,058

Flights are sorted by cheapest round-trip flights first.

Deals found on 15/9

Showing 1-10 of 22 results
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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 16 September 2025.
Check out reviews from past customers who have flown with United Airlines and Air 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.
United Airlines
7.4
Good
8,924 reviews
Check prices

Boarding

7.7

Crew

8.1

Entertainment

7.1

Overall

7.4

Food

6.6

Comfort

7.3

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

YVR - SFO

It was a good experience. The flight took 45 minutes longer to fly and all passengers had to wait inside the plane till the technical issue was fixed. Overall it was a good experience.
United Airlines
7.4
Good
8,924 reviews
United Airlines
7.4
Good
8,924 reviews
Check prices

Boarding

7.7

Crew

8.1

Entertainment

7.1

Overall

7.4

Food

6.6

Comfort

7.3

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

YVR - SFO

It was a good experience. The flight took 45 minutes longer to fly and all passengers had to wait inside the plane till the technical issue was fixed. Overall it was a good experience.
Air Canada
7.1
Good
10,000 reviews
United Airlines
7.4
Good
8,924 reviews
Check prices

Boarding

7.7

Crew

8.1

Entertainment

7.1

Overall

7.4

Food

6.6

Comfort

7.3

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

YVR - SFO

It was a good experience. The flight took 45 minutes longer to fly and all passengers had to wait inside the plane till the technical issue was fixed. Overall it was a good experience.

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 45m. United Airlines provides one of the quickest options available for as low as C$ 714. 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.

  • What is the cheapest month to book a flight from Thunder Bay to Costa Rica?

    Currently, May is the cheapest month in which you can book a flight from Thunder Bay to Costa Rica (average of C$ 486). Flying from Thunder Bay to Costa Rica in December is currently the most expensive (average of C$ 683). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Top 2 airlines flying from Thunder Bay to Costa Rica

Discover the top 2 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 16 September 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapestC$ 405AverageC$ 507FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air CanadaCheapestC$ 584AverageC$ 1,086FlexibilityNo cancel feeOn-time67%
Search Air Canada flights

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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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