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Cheap flights from Thunder Bay to Costa Rica from C$ 298

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 13/6. Fares are subject to change and may not be available on all flights or dates of travel.
YQT — SJO
29 mei. — 5 jun.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 29 april 2026.

do 4/65:10 a.m.
YQT
-
SJO
2 stops19h 29m
United Airlines
za 13/612:30 a.m.
SJO
-
YQT
2 stops20h 45m
United Airlines
Deal found 27/4C$ 642
zo 15/115:00 p.m.
YQT
-
SJO
1 stop30h 05m
Air Canada
do 19/118:35 a.m.
SJO
-
YQT
1 stop30h 31m
Air Canada
Deal found 24/4C$ 716
zo 14/66:25 p.m.
YQT
-
LIR
2 stops42h 19m
United Airlines
do 18/64:30 p.m.
LIR
-
YQT
2 stops22h 59m
United Airlines
Deal found 26/4C$ 747
zo 30/811:40 a.m.
YQT
-
LIR
2 stops26h 30m
United Airlines
do 3/91:20 p.m.
LIR
-
YQT
2 stops26h 09m
United Airlines
Deal found 28/4C$ 749
do 4/65:10 a.m.
YQT
-
SJO
1 stop18h 50m
Multiple Airlines
zo 14/67:45 p.m.
SJO
-
YQT
2 stops25h 30m
Multiple Airlines
Deal found 27/4C$ 788
do 4/65:10 a.m.
YQT
-
SJO
1 stop18h 50m
Air Canada
zo 14/65:05 a.m.
SJO
-
YQT
2 stops40h 10m
Air Canada
Deal found 28/4C$ 789
di 2/65:10 a.m.
YQT
-
LIR
2 stops31h 34m
United Airlines
za 13/611:10 a.m.
LIR
-
YQT
2 stops52h 10m
United Airlines
Deal found 26/4C$ 802
do 4/66:25 p.m.
YQT
-
LIR
2 stops42h 19m
United Airlines
zo 14/64:30 p.m.
LIR
-
YQT
2 stops28h 45m
United Airlines
Deal found 27/4C$ 889
di 7/76:20 p.m.
YQT
-
LIR
2 stops22h 05m
United Airlines
do 16/73:27 p.m.
LIR
-
YQT
2 stops23h 57m
United Airlines
Deal found 27/4C$ 891
do 4/67:50 p.m.
YQT
-
LIR
2 stops18h 35m
WestJet
zo 14/67:15 a.m.
LIR
-
YQT
2 stops33h 30m
WestJet
Deal found 28/4C$ 900

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 29 april 2026.

Round-trip from

C$ 642

One-way from

C$ 298
United Airlines
  • United Airlines
  • 4/6-13/6
  • 4 total stops
  • 40h 14m total
  • Thunder Bay to Costa Rica
Search Deals
United Airlines
  • United Airlines
  • 13/6
  • 2 total stops
  • 36h 44m 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 29 april 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

do 4/6

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

2 stops19h 29m

San José Juan Santamaria Intl

za 13/6

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

2 stops20h 45m

C$ 642

Thunder BayLiberia

YQT - LIR

YQTLIR

Thunder Bay

zo 30/8

11:40 a.m.-12:10 p.m.

2 stops26h 30m

Liberia

do 3/9

1:20 p.m.-5:29 p.m.

2 stops26h 09m

C$ 749

Thunder BayLiberia

YQT - LIR

YQTLIR

Thunder Bay

zo 14/6

6:25 p.m.-10:44 a.m.

2 stops42h 19m

Liberia

do 18/6

4:30 p.m.-11:14 p.m.

2 stops28h 44m

C$ 750

Thunder BaySan José

YQT - SJO

YQTSJO

Thunder Bay

do 4/6

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

1 stop18h 50m

San José Juan Santamaria Intl

zo 14/6

7:45 p.m.-11:15 p.m.

2 stops25h 30m

C$ 788

Thunder BayLiberia

YQT - LIR

YQTLIR

Thunder Bay

di 2/6

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

2 stops31h 34m

Liberia

za 13/6

11:10 a.m.-5:20 p.m.

2 stops52h 10m

C$ 802

Thunder BayLiberia

YQT - LIR

YQTLIR

Thunder Bay

do 4/6

6:25 p.m.-10:44 a.m.

2 stops42h 19m

Liberia

zo 14/6

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

2 stops28h 45m

C$ 889

Thunder BayLiberia

YQT - LIR

YQTLIR

Thunder Bay

di 7/7

6:20 p.m.-2:25 p.m.

2 stops22h 05m

Liberia

do 16/7

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

2 stops23h 57m

C$ 891
Quickest round-trip

Thunder BaySan José

YQT - SJO

YQTSJO

Thunder Bay

do 4/6

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

1 stop18h 50m

San José Juan Santamaria Intl

zo 14/6

7:10 a.m.-11:15 p.m.

1 stop14h 05m

C$ 1,078
Cheapest one-way

Thunder BaySan José

YQT - SJO

YQTSJO

Thunder Bay

za 13/6

11:55 a.m.-10:39 p.m.

2 stops36h 44m

C$ 298
Quickest one-way

Thunder BaySan José

YQT - SJO

YQTSJO

Thunder Bay

vr 12/6

6:25 p.m.-10:00 p.m.

1 stop29h 35m

C$ 325

Flights are sorted by cheapest round-trip flights first.

Deals found on 29/4

Showing 1-10 of 11 resultsSorted by cheapest first
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 29 april 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

Crew

8.6

Boarding

8.2

Overall

8.0

Entertainment

7.0

Comfort

8.0

Food

7.6

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

Crew

8.6

Boarding

8.2

Overall

8.0

Entertainment

7.0

Comfort

8.0

Food

7.6

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$ 642. There are 4291 km between Thunder Bay and Costa Rica.

  • 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 29 april 2026.
AirlineCheapestAverageFlexibilityOn-time
Porter AirlinesCheapestC$ 783AverageC$ 913FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights

Fly with Cheapflights

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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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