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Cheap flights from Washington to Thunder Bay from $176

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington to Thunder Bay departing on 9/20. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Washington to Thunder Bay

Cheap round-trip flights

Enter your travel dates to find the best prices.
WestJet Logo
7:35 pm - 7:00 pmSEA  Seattle/Tacoma Intl-YQT Thunder Bay
20h 25m1 stop Calgary
WestJet Logo
7:20 pm - 2:20 pmYQT  Thunder Bay-SEA Seattle/Tacoma Intl
46h 00m2 stops Winnipeg Calgary
$569WestJet
Thu, Oct 15 - Sat, Oct 24
WestJet Logo
7:35 pm - 7:00 pmSEA  Seattle/Tacoma Intl-YQT Thunder Bay
20h 25m1 stop Calgary
WestJet Logo
7:50 pm - 6:45 pmYQT  Thunder Bay-SEA Seattle/Tacoma Intl
25h 55m1 stop Calgary
$599WestJet
Thu, Oct 15 - Mon, Oct 19
Air Canada Logo
7:20 pm - 10:48 amSEA  Seattle/Tacoma Intl-YQT Thunder Bay
12h 28m2 stops Vancouver Intl Toronto Pearson Intl
Air Canada Logo
5:15 am - 2:22 pmYQT  Thunder Bay-SEA Seattle/Tacoma Intl
12h 07m2 stops Toronto Pearson Intl Vancouver Intl
$656Air Canada
Thu, Oct 15 - Sat, Oct 24
WestJet Logo
7:35 pm - 7:00 pmSEA  Seattle/Tacoma Intl-YQT Thunder Bay
20h 25m1 stop Calgary
WestJet Logo
11:00 am - 6:45 pmYQT  Thunder Bay-SEA Seattle/Tacoma Intl
10h 45m2 stops Winnipeg Calgary
$668WestJet
Thu, Oct 15 - Mon, Oct 19
Air Canada Logo
8:15 am - 10:36 pmSEA  Seattle/Tacoma Intl-YQT Thunder Bay
11h 21m2 stops Vancouver Intl Toronto Pearson Intl
Air Canada Logo
11:15 am - 8:59 pmYQT  Thunder Bay-SEA Seattle/Tacoma Intl
12h 44m1 stop Toronto Pearson Intl
$675Air Canada
Thu, Jan 14 - Tue, Jan 19
WestJet Logo
7:35 pm - 7:00 pmSEA  Seattle/Tacoma Intl-YQT Thunder Bay
20h 25m1 stop Calgary
WestJet Logo
7:20 pm - 9:40 amYQT  Thunder Bay-SEA Seattle/Tacoma Intl
17h 20m2 stops Winnipeg Calgary
$676WestJet
Thu, Oct 1 - Sat, Oct 3
Multiple Airlines Logo
7:35 pm - 7:00 pmSEA  Seattle/Tacoma Intl-YQT Thunder Bay
20h 25m1 stop Calgary
Multiple Airlines Logo
8:15 am - 7:26 pmYQT  Thunder Bay-SEA Seattle/Tacoma Intl
14h 11m1 stop Toronto Island
$683Multiple Airlines
Thu, Oct 15 - Sat, Oct 24
Air Canada Logo
7:45 am - 10:36 pmSEA  Seattle/Tacoma Intl-YQT Thunder Bay
11h 51m1 stop Toronto Pearson Intl
Air Canada Logo
11:15 am - 8:59 pmYQT  Thunder Bay-SEA Seattle/Tacoma Intl
12h 44m1 stop Toronto Pearson Intl
$694Air Canada
Thu, Jan 14 - Tue, Jan 19
Air Canada Logo
5:40 am - 10:48 pmSEA  Seattle/Tacoma Intl-YQT Thunder Bay
14h 08m2 stops Vancouver Intl Toronto Pearson Intl
Air Canada Logo
5:15 am - 2:22 pmYQT  Thunder Bay-SEA Seattle/Tacoma Intl
12h 07m2 stops Toronto Pearson Intl Vancouver Intl
$798Air Canada
Thu, Oct 1 - Sat, Oct 3
Air Canada Logo
8:00 am - 10:48 pmSEA  Seattle/Tacoma Intl-YQT Thunder Bay
11h 48m1 stop Toronto Pearson Intl
Air Canada Logo
11:45 am - 9:04 pmYQT  Thunder Bay-SEA Seattle/Tacoma Intl
12h 19m1 stop Toronto Pearson Intl
$836Air Canada
Thu, Oct 1 - Sat, Oct 3

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WestJet flights from State of Washington to Thunder Bay

Our best WestJet deals on State of Washington to Thunder Bay flight tickets
WestJet
Oct 15
SEA7:35 pmSeattle/Tacoma Intl
20h 25m
1 stop
YQT7:00 pmThunder Bay
Oct 24
YQT7:20 pmThunder Bay
46h 00m
2 stops
SEA2:20 pmSeattle/Tacoma Intl
$569
WestJet
Oct 15
SEA7:35 pmSeattle/Tacoma Intl
20h 25m
1 stop
YQT7:00 pmThunder Bay
Oct 19
YQT7:50 pmThunder Bay
25h 55m
1 stop
SEA6:45 pmSeattle/Tacoma Intl
$599
WestJet
Oct 15
SEA7:35 pmSeattle/Tacoma Intl
20h 25m
1 stop
YQT7:00 pmThunder Bay
Oct 19
YQT7:50 pmThunder Bay
25h 55m
1 stop
SEA6:45 pmSeattle/Tacoma Intl
$610

Air Canada flights from State of Washington to Thunder Bay

Our best Air Canada deals on State of Washington to Thunder Bay flight tickets
Air Canada
Oct 15
SEA7:20 pmSeattle/Tacoma Intl
12h 28m
2 stops
YQT10:48 amThunder Bay
Oct 24
YQT5:15 amThunder Bay
12h 07m
2 stops
SEA2:22 pmSeattle/Tacoma Intl
$656
Air Canada
Jan 14
SEA7:45 amSeattle/Tacoma Intl
11h 51m
1 stop
YQT10:36 pmThunder Bay
Jan 19
YQT11:15 amThunder Bay
12h 44m
1 stop
SEA8:59 pmSeattle/Tacoma Intl
$694
Air Canada
Oct 15
SEA7:20 pmSeattle/Tacoma Intl
12h 28m
2 stops
YQT10:48 amThunder Bay
Oct 19
YQT5:15 amThunder Bay
12h 07m
2 stops
SEA2:22 pmSeattle/Tacoma Intl
$798

momondo Fare Finder

 
Customize your flight search to find flights from State of Washington to Thunder Bay 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, momondo users made 832,500 searches. Data last updated August 11, 2026.
Use the filters below to find and compare flights from Washington to Thunder Bay that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattleThunder Bay

SEA Seattle/Tacoma Intl - YQT Thunder Bay

SEAYQT

Seattle/Tacoma Intl

Thu 10/15

7:35 pm-7:00 pm

1 stop20h 25m

Thunder Bay

Sat 10/24

7:20 pm-2:20 pm

2 stops46h 00m

$569

SeattleThunder Bay

SEA Seattle/Tacoma Intl - YQT Thunder Bay

SEAYQT

Seattle/Tacoma Intl

Thu 10/15

7:35 pm-7:00 pm

1 stop20h 25m

Thunder Bay

Mon 10/19

7:50 pm-6:45 pm

1 stop25h 55m

$599

SeattleThunder Bay

SEA Seattle/Tacoma Intl - YQT Thunder Bay

SEAYQT

Seattle/Tacoma Intl

Thu 10/15

7:20 pm-10:48 am

2 stops12h 28m

Thunder Bay

Sat 10/24

5:15 am-2:22 pm

2 stops12h 07m

$656

SeattleThunder Bay

SEA Seattle/Tacoma Intl - YQT Thunder Bay

SEAYQT

Seattle/Tacoma Intl

Thu 10/15

7:35 pm-7:00 pm

1 stop20h 25m

Thunder Bay

Mon 10/19

11:00 am-6:45 pm

2 stops10h 45m

$668
Quickest round-trip

SeattleThunder Bay

SEA Seattle/Tacoma Intl - YQT Thunder Bay

SEAYQT

Seattle/Tacoma Intl

Thu 1/14

8:15 am-10:36 pm

2 stops11h 21m

Thunder Bay

Tue 1/19

11:15 am-8:59 pm

1 stop12h 44m

$675

SeattleThunder Bay

SEA Seattle/Tacoma Intl - YQT Thunder Bay

SEAYQT

Seattle/Tacoma Intl

Thu 10/1

7:35 pm-7:00 pm

1 stop20h 25m

Thunder Bay

Sat 10/3

7:20 pm-9:40 am

2 stops17h 20m

$676

SeattleThunder Bay

SEA Seattle/Tacoma Intl - YQT Thunder Bay

SEAYQT

Seattle/Tacoma Intl

Thu 10/15

7:35 pm-7:00 pm

1 stop20h 25m

Thunder Bay

Sat 10/24

8:15 am-7:26 pm

1 stop14h 11m

$683

SeattleThunder Bay

SEA Seattle/Tacoma Intl - YQT Thunder Bay

SEAYQT

Seattle/Tacoma Intl

Thu 1/14

7:45 am-10:36 pm

1 stop11h 51m

Thunder Bay

Tue 1/19

11:15 am-8:59 pm

1 stop12h 44m

$694

SeattleThunder Bay

SEA Seattle/Tacoma Intl - YQT Thunder Bay

SEAYQT

Seattle/Tacoma Intl

Thu 10/1

5:40 am-10:48 pm

2 stops14h 08m

Thunder Bay

Sat 10/3

5:15 am-2:22 pm

2 stops12h 07m

$798

SeattleThunder Bay

SEA Seattle/Tacoma Intl - YQT Thunder Bay

SEAYQT

Seattle/Tacoma Intl

Thu 10/1

8:00 am-10:48 pm

1 stop11h 48m

Thunder Bay

Sat 10/3

11:45 am-9:04 pm

1 stop12h 19m

$836

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 resultsSorted by cheapest first
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How to get the cheapest flight ticket from State of Washington to Thunder Bay

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Can stopping save me money on State of Washington to Thunder Bay flights?

You could potentially save up to 43% on your flight if you consider stops on a State of Washington to Thunder Bay flight.

Cheap State of Washington to Thunder Bay flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from State of Washington to Thunder Bay

Fastest flight time

12h 48m

Direct flights

None
The fastest flight from State of Washington to Thunder Bay takes 12h 48m
There are no direct flights from State of Washington to Thunder Bay. There are no popular flight routes from State of Washington to Thunder Bay.
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Frequently asked questions about flying from Washington to Thunder Bay

  • When did momondo last update prices for flights from Washington to Thunder Bay Airport?

    Prices for flights from Washington to Thunder Bay Airport refresh daily.

  • How old do you have to be to fly from Washington to Thunder Bay Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Washington to Thunder Bay Airport.

  • What documentation or ID do you need to fly to Thunder Bay Airport?

    The travel and health documents you'll need for your trip to Thunder Bay Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Thunder Bay Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Why use momondo?

Why should I use momondo to find a flight deal from Washington to Thunder Bay?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Washington to Thunder Bay. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Washington to Thunder Bay with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Thunder Bay from Washington with this policy.

How can momondo help me find flights from Washington to Thunder Bay?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Thunder Bay from Washington.

I’m not ready to book a flight from Washington to Thunder Bay right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Washington to Thunder Bay flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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