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Cheap flights from Thunder Bay to Costa Rica from C$ 296

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 28/5. Fares are subject to change and may not be available on all flights or dates of travel.
YQT — SJO
18 may. — 25 may.1
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 18 abril 2026.

dom. 7/65:10 a.m.
YQT
-
SJO
2 stops19h 29m
United Airlines
mié. 10/612:30 a.m.
SJO
-
YQT
2 stops20h 45m
United Airlines
Deal found 14/4C$ 597
jue. 4/65:10 a.m.
YQT
-
SJO
2 stops19h 29m
United Airlines
sáb. 13/612:30 a.m.
SJO
-
YQT
2 stops14h 50m
United Airlines
Deal found 17/4C$ 684
mar. 7/76:20 p.m.
YQT
-
SJO
2 stops16h 25m
Multiple Airlines
jue. 16/75:05 a.m.
SJO
-
YQT
2 stops27h 39m
Multiple Airlines
Deal found 17/4C$ 722
lun. 5/105:15 a.m.
YQT
-
LIR
2 stops32h 55m
United Airlines
lun. 21/1212:30 p.m.
LIR
-
YQT
2 stops26h 36m
United Airlines
Deal found 13/4C$ 761
jue. 4/67:50 p.m.
YQT
-
LIR
2 stops18h 35m
WestJet
dom. 14/61:15 p.m.
LIR
-
YQT
2 stops27h 45m
WestJet
Deal found 14/4C$ 776
jue. 4/65:10 a.m.
YQT
-
SJO
1 stop18h 50m
Air Canada
dom. 14/65:05 a.m.
SJO
-
YQT
2 stops40h 10m
Air Canada
Deal found 17/4C$ 804
mar. 7/75:10 a.m.
YQT
-
SJO
1 stop18h 50m
Air Canada
jue. 16/75:05 a.m.
SJO
-
YQT
2 stops15h 44m
Air Canada
Deal found 17/4C$ 836
jue. 11/65:10 a.m.
YQT
-
LIR
2 stops31h 34m
Air Canada
lun. 15/64:30 p.m.
LIR
-
YQT
2 stops28h 45m
Air Canada
Deal found 17/4C$ 840
mar. 7/75:10 a.m.
YQT
-
LIR
2 stops30h 40m
United Airlines
jue. 16/73:27 p.m.
LIR
-
YQT
2 stops23h 57m
United Airlines
Deal found 18/4C$ 898
sáb. 19/911:45 a.m.
YQT
-
SJO
2 stops26h 36m
United Airlines
mar. 22/97:55 a.m.
SJO
-
YQT
3 stops36h 53m
United Airlines
Deal found 13/4C$ 922
mar. 6/1011:45 a.m.
YQT
-
LIR
2 stops26h 25m
United Airlines
mar. 15/128:35 a.m.
LIR
-
YQT
2 stops30h 31m
United Airlines
Deal found 15/4C$ 996

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 18 abril 2026.

Round-trip from

C$ 597

One-way from

C$ 296
United Airlines
  • United Airlines
  • 7/6-10/6
  • 4 total stops
  • 40h 14m total
  • Thunder Bay to Costa Rica
Search Deals
United Airlines
  • United Airlines
  • 28/5
  • 2 total stops
  • 31h 01m 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 18 abril 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

dom. 7/6

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

2 stops19h 29m

San José Juan Santamaria Intl

mié. 10/6

12:30 a.m.-11:15 p.m.

2 stops20h 45m

C$ 597
Quickest round-trip

Thunder BaySan José

YQT - SJO

YQTSJO

Thunder Bay

jue. 4/6

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

2 stops19h 29m

San José Juan Santamaria Intl

sáb. 13/6

12:30 a.m.-5:20 p.m.

2 stops14h 50m

C$ 684

Thunder BayLiberia

YQT - LIR

YQTLIR

Thunder Bay

lun. 5/10

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

2 stops32h 55m

Liberia

lun. 21/12

12:30 p.m.-4:06 p.m.

2 stops26h 36m

C$ 761

Thunder BaySan José

YQT - SJO

YQTSJO

Thunder Bay

mar. 7/7

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

1 stop18h 50m

San José Juan Santamaria Intl

jue. 16/7

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

2 stops15h 44m

C$ 836

Thunder BayLiberia

YQT - LIR

YQTLIR

Thunder Bay

jue. 11/6

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

2 stops31h 34m

Liberia

lun. 15/6

4:30 p.m.-11:15 p.m.

2 stops28h 45m

C$ 840

Thunder BayLiberia

YQT - LIR

YQTLIR

Thunder Bay

mar. 7/7

5:10 a.m.-9:50 a.m.

2 stops30h 40m

Liberia

jue. 16/7

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

2 stops23h 57m

C$ 898

Thunder BaySan José

YQT - SJO

YQTSJO

Thunder Bay

sáb. 19/9

11:45 a.m.-12:21 p.m.

2 stops26h 36m

San José Juan Santamaria Intl

mar. 22/9

7:55 a.m.-10:48 p.m.

3 stops36h 53m

C$ 922

Thunder BaySan José

YQT - SJO

YQTSJO

Thunder Bay

sáb. 19/9

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

1 stop12h 15m

San José Juan Santamaria Intl

mar. 22/9

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

1 stop25h 38m

C$ 985

Thunder BayLiberia

YQT - LIR

YQTLIR

Thunder Bay

mar. 6/10

11:45 a.m.-12:10 p.m.

2 stops26h 25m

Liberia

mar. 15/12

8:35 a.m.-4:06 p.m.

2 stops30h 31m

C$ 996

Thunder BayLiberia

YQT - LIR

YQTLIR

Thunder Bay

jue. 11/6

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

2 stops22h 00m

Liberia

lun. 15/6

3:27 p.m.-11:15 p.m.

2 stops29h 48m

C$ 1,022

Flights are sorted by cheapest round-trip flights first.

Deals found on 13/4

Showing 1-10 of 12 resultsSorted by cheapest first
1
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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 18 abril 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
435 reviews
Check prices

Comfort

8.0

Entertainment

7.0

Boarding

8.2

Food

7.6

Crew

8.6

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
435 reviews
Porter Airlines
8.0
Very good
435 reviews
Check prices

Comfort

8.0

Entertainment

7.0

Boarding

8.2

Food

7.6

Crew

8.6

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 19h 29m. United Airlines provides one of the quickest options available for as low as C$ 597. There are 4291 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 18 abril 2026.
AirlineCheapestAverageFlexibilityOn-time
Porter AirlinesCheapestC$ 785AverageC$ 914FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights

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

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