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Cheap flights from Washington to Thunder Bay from $440

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Washington to Thunder Bay departing on 2/20. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
Air Canada Logo
8:00 am - 11:05 pm
SEA
-
YQT
12h 05m
1 stop
Air Canada Logo
7:25 pm - 9:15 am
YQT
-
SEA
16h 50m
2 stops
$440Air Canada
Fri, Feb 20 - Tue, Feb 24
Air Canada Logo
8:00 am - 11:05 pm
SEA
-
YQT
12h 05m
1 stop
Air Canada Logo
7:25 pm - 10:16 pm
YQT
-
SEA
29h 51m
1 stop
$649Air Canada
Fri, Feb 20 - Tue, Feb 24
Air Canada Logo
5:50 am - 11:05 pm
SEA
-
YQT
14h 15m
2 stops
Air Canada Logo
7:25 pm - 9:15 am
YQT
-
SEA
16h 50m
2 stops
$683Air Canada
Fri, Feb 20 - Tue, Feb 24
Air Canada Logo
8:00 am - 11:05 pm
SEA
-
YQT
12h 05m
1 stop
Air Canada Logo
7:25 pm - 9:15 am
YQT
-
SEA
16h 50m
2 stops
$790Air Canada
Fri, Feb 20 - Tue, Feb 24
Air Canada Logo
8:00 am - 11:05 pm
SEA
-
YQT
12h 05m
1 stop
Air Canada Logo
11:15 am - 10:16 pm
YQT
-
SEA
14h 01m
1 stop
$791Air Canada
Fri, Feb 20 - Tue, Feb 24
Air Canada Logo
5:50 am - 11:05 pm
SEA
-
YQT
14h 15m
2 stops
Air Canada Logo
7:25 pm - 9:15 am
YQT
-
SEA
16h 50m
2 stops
$816Air Canada
Fri, Feb 20 - Tue, Feb 24
United Airlines Logo
12:32 pm - 6:35 pm
SEA
-
YQT
27h 03m
3 stops
United Airlines Logo
5:00 am - 7:03 pm
YQT
-
SEA
17h 03m
2 stops
$882United Airlines
Fri, Feb 20 - Tue, Feb 24
Air Canada Logo
5:50 am - 11:05 pm
SEA
-
YQT
14h 15m
2 stops
Air Canada Logo
7:25 pm - 2:31 pm
YQT
-
SEA
22h 06m
2 stops
$898Air Canada
Fri, Feb 20 - Tue, Feb 24
United Airlines Logo
2:20 pm - 6:35 pm
SEA
-
YQT
25h 15m
2 stops
United Airlines Logo
7:25 pm - 6:03 pm
YQT
-
SEA
25h 38m
3 stops
$907United Airlines
Fri, Feb 20 - Tue, Feb 24
Air Canada Logo
5:50 am - 11:05 pm
SEA
-
YQT
14h 15m
2 stops
Air Canada Logo
11:15 am - 10:16 pm
YQT
-
SEA
14h 01m
1 stop
$912Air Canada
Fri, Feb 20 - Tue, Feb 24

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
Feb 20
SEA8:00 amSeattle/Tacoma Intl
12h 05m
1 stop
YQT11:05 pmThunder Bay
Feb 24
YQT7:25 pmThunder Bay
16h 50m
2 stops
SEA9:15 amSeattle/Tacoma Intl
$440
Air Canada
Feb 20
SEA8:00 amSeattle/Tacoma Intl
12h 05m
1 stop
YQT11:05 pmThunder Bay
Feb 24
YQT7:25 pmThunder Bay
29h 51m
1 stop
SEA10:16 pmSeattle/Tacoma Intl
$649
Air Canada
Feb 20
SEA5:50 amSeattle/Tacoma Intl
14h 15m
2 stops
YQT11:05 pmThunder Bay
Feb 24
YQT7:25 pmThunder Bay
16h 50m
2 stops
SEA9:15 amSeattle/Tacoma Intl
$683

United Airlines flights from State of Washington to Thunder Bay

Our best United Airlines deals on State of Washington to Thunder Bay flight tickets
United Airlines
Feb 20
SEA12:32 pmSeattle/Tacoma Intl
27h 03m
3 stops
YQT6:35 pmThunder Bay
Feb 24
YQT5:00 amThunder Bay
17h 03m
2 stops
SEA7:03 pmSeattle/Tacoma Intl
$882
United Airlines
Feb 20
SEA2:20 pmSeattle/Tacoma Intl
25h 15m
2 stops
YQT6:35 pmThunder Bay
Feb 24
YQT7:25 pmThunder Bay
25h 38m
3 stops
SEA6:03 pmSeattle/Tacoma Intl
$907
United Airlines
Feb 20
SEA12:32 pmSeattle/Tacoma Intl
27h 03m
3 stops
YQT6:35 pmThunder Bay
Feb 24
YQT5:00 amThunder Bay
19h 12m
2 stops
SEA9:12 pmSeattle/Tacoma Intl
$937

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 February 9, 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

SeattleThunder Bay

SEA - YQT

SEAYQT

Seattle/Tacoma Intl

Fri 2/20

8:00 am-11:05 pm

1 stop12h 05m

Thunder Bay

Tue 2/24

7:25 pm-9:15 am

2 stops16h 50m

$440

SeattleThunder Bay

SEA - YQT

SEAYQT

Seattle/Tacoma Intl

Fri 2/20

8:00 am-11:05 pm

1 stop12h 05m

Thunder Bay

Tue 2/24

7:25 pm-10:16 pm

1 stop29h 51m

$649

SeattleThunder Bay

SEA - YQT

SEAYQT

Seattle/Tacoma Intl

Fri 2/20

5:50 am-11:05 pm

2 stops14h 15m

Thunder Bay

Tue 2/24

7:25 pm-9:15 am

2 stops16h 50m

$683

SeattleThunder Bay

SEA - YQT

SEAYQT

Seattle/Tacoma Intl

Fri 2/20

8:00 am-11:05 pm

1 stop12h 05m

Thunder Bay

Tue 2/24

7:25 pm-9:15 am

2 stops16h 50m

$790

SeattleThunder Bay

SEA - YQT

SEAYQT

Seattle/Tacoma Intl

Fri 2/20

8:00 am-11:05 pm

1 stop12h 05m

Thunder Bay

Tue 2/24

11:15 am-10:16 pm

1 stop14h 01m

$791

SeattleThunder Bay

SEA - YQT

SEAYQT

Seattle/Tacoma Intl

Fri 2/20

5:50 am-11:05 pm

2 stops14h 15m

Thunder Bay

Tue 2/24

7:25 pm-9:15 am

2 stops16h 50m

$816

SeattleThunder Bay

SEA - YQT

SEAYQT

Seattle/Tacoma Intl

Fri 2/20

12:32 pm-6:35 pm

3 stops27h 03m

Thunder Bay

Tue 2/24

5:00 am-7:03 pm

2 stops17h 03m

$882

SeattleThunder Bay

SEA - YQT

SEAYQT

Seattle/Tacoma Intl

Fri 2/20

5:50 am-11:05 pm

2 stops14h 15m

Thunder Bay

Tue 2/24

7:25 pm-2:31 pm

2 stops22h 06m

$898

SeattleThunder Bay

SEA - YQT

SEAYQT

Seattle/Tacoma Intl

Fri 2/20

2:20 pm-6:35 pm

2 stops25h 15m

Thunder Bay

Tue 2/24

7:25 pm-6:03 pm

3 stops25h 38m

$907

SeattleThunder Bay

SEA - YQT

SEAYQT

Seattle/Tacoma Intl

Fri 2/20

5:50 am-11:05 pm

2 stops14h 15m

Thunder Bay

Tue 2/24

11:15 am-10:16 pm

1 stop14h 01m

$912

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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

11h 48m

Direct flights

None
The fastest flight from State of Washington to Thunder Bay takes 11h 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.
Search flight deals

  • 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.

  • How do I get Price Alerts for flights from State of Washington to Thunder Bay?

    Confirm your travel details to search for the latest offers for flights from State of Washington to Thunder Bay. While browsing offers there will be the option to toggle “Price Alerts”. You’ll then receive updates when prices for the flight route increase or decrease.

  • How can I save money on flights from State of Washington to Thunder Bay with momondo?

    Plan your trips smart with the “Price Forecast” feature, which uses flight data to help you pick the best days to fly for the lowest fares. Our “Price Calendar” helps you get the most for your money by showing you when it’s most advantageous to fly. Curate your own travel experiences for less with “Explore”. Expert travel hacks to fuel your next adventure are a click away with “Discover” by momondo. Set up our “Price Alerts” to track fare changes and book when prices are at their lowest point.

  • How does momondo find its flight prices?

    We compare prices from 700+ competitors to help you find the price that works best for you. momondo operates in over 30 international markets, bringing you access to a wide range of fares and deals. Search for your travel using momondo for a diverse range of options from airlines and OTAs.

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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