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Cheap flights from Seattle-Tacoma International to Tri-City Regional (SEA - TRI)

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How to find the cheapest flight from
Seattle-Tacoma International (SEA) to Tri-City Regional (TRI)

SEA - TRI
Price
$399 - $668
TRI
Temperature
51.8 - 84.2 °F
TRI
Rainfall
2.8 - 5.3 inches
Popular in June High demand for flights, 20% potential price rise
Cheapest in September Best time to find cheap flights, 25% potential price drop
Round-trip from $399 From Seattle-Tacoma International to Tri-City Regional
One-way from $199 One-way flight from Seattle-Tacoma International to Tri-City Regional
Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
What is the cheapest day to fly round-trip from Seattle-Tacoma International to Tri-City Regional?

It’s generally more expensive to depart on a Monday, if you have to leave on this day you can still search on Cheapflights to find great options that meet your needs.

When is the cheapest time to fly from Seattle-Tacoma International to Tri-City Regional (SEA - TRI)?

Unlike in the afternoon, when flights are generally more expensive, you can save up to 31% on flights from Seattle-Tacoma International to Tri-City Regional by exploring options for tickets at noon.

Cheap flights from Seattle-Tacoma International to Tri-City Regional in September, October 2020

The best prices found for SEA to TRI flights for September, October
22 Oct - 25 Oct
$338pp
SEA
Seattle/Tacoma Intl
Delta
 
1 STOP
TRI
Blountville Tri Cities TN/VA
TRI
Blountville Tri Cities TN/VA
Delta
 
1 STOP
SEA
Seattle/Tacoma Intl
18 Oct - 25 Oct
$368pp
SEA
Seattle/Tacoma Intl
Delta
 
1 STOP
TRI
Blountville Tri Cities TN/VA
TRI
Blountville Tri Cities TN/VA
Delta
 
1 STOP
SEA
Seattle/Tacoma Intl
22 Oct - 25 Oct
$379pp
SEA
Seattle/Tacoma Intl
Multiple Airlines
 
1 STOP
TRI
Blountville Tri Cities TN/VA
TRI
Blountville Tri Cities TN/VA
American Airlines
   
2 STOPS
SEA
Seattle/Tacoma Intl

Seattle-Tacoma International to Tri-City Regional 2020 flight deals

Cheap flights to Tri-City Regional from Seattle-Tacoma International found for this year
22 Oct - 25 Oct
$338pp
SEA
Seattle/Tacoma Intl
Delta
 
1 STOP
TRI
Blountville Tri Cities TN/VA
TRI
Blountville Tri Cities TN/VA
Delta
 
1 STOP
SEA
Seattle/Tacoma Intl
18 Oct - 25 Oct
$368pp
SEA
Seattle/Tacoma Intl
Delta
 
1 STOP
TRI
Blountville Tri Cities TN/VA
TRI
Blountville Tri Cities TN/VA
Delta
 
1 STOP
SEA
Seattle/Tacoma Intl
22 Oct - 25 Oct
$379pp
SEA
Seattle/Tacoma Intl
Multiple Airlines
 
1 STOP
TRI
Blountville Tri Cities TN/VA
TRI
Blountville Tri Cities TN/VA
American Airlines
   
2 STOPS
SEA
Seattle/Tacoma Intl

One-way flights to Tri-City Regional from Seattle-Tacoma International

The cheapest one-way flights from Seattle-Tacoma International to Tri-City Regional
2:00 am - 12:33 pm
Delta
1 Stop
7h 33m
SEA - TRI
Delta
$199
Delta
6:10 pm - 7:05 am
Delta
1 Stop
9h 55m
SEA - TRI
Delta
$285
Delta
6:58 am - 1:51 pm
Multiple Airlines
2 Stops
27h 53m
SEA - TRI
Multiple Airlines
$532
United

Related info for your journey

Useful info, stats and facts about Seattle-Tacoma International to Tri-City Regional flights.

Flight FAQs

From Seattle-Tacoma International to Tri-City Regional

Are flight prices decreasing from Redmond to Tri-City Regional due to COVID-19 (coronavirus)?

At this time, Cheapflights has noticed price decreases for many domestic flights due to COVID-19. Travel is not necessarily recommended at this time, and flights may be prone to cancellation: please check with local authorities in both Redmond and Tri-City Regional for travel alerts, and be sure to review the airline's cancellation policy and travel advisories before booking. For more information, please view our post on what to know about COVID-19 (coronavirus) and travel.

Can I find flights from Seattle-Tacoma International to Tri-City Regional for under $400 on Cheapflights?

Yes, there are multiple flights from Seattle-Tacoma International to Tri-City Regional for under $400. The cheapest flight booked recently is on Delta for just $318, but on average you can expect to pay $685.

Are there nonstop flights from Seattle-Tacoma International to Tri-City Regional for under $300 on Cheapflights?

There are no nonstop flights from Seattle-Tacoma International to Tri-City Regional, but Cheapflights can provide you with all the information you need to find the fastest route with the fewest stops.

Does it rain more in Redmond or Tri-City Regional?

Redmond will have less rainfall in 2 compared to Tri-City Regional over the next 10 days.

How long is the flight from Seattle-Tacoma International to Tri-City Regional?

Delta can get you from Seattle-Tacoma International to Tri-City Regional in just under 6h 46m. Your travel time can differ by up to .

What is the cheapest airline to fly from Seattle-Tacoma International to Tri-City Regional round-trip?

Flying on Delta is currently your cheapest option to Tri-City Regional, with prices starting at $318. This flight start at 40% lower than the current average price 3 months from now.

What are the cheapest airlines to fly from Seattle-Tacoma International to Tri-City Regional one-way?

The cheapest airline one-way is Delta, with whom users have recently found tickets for as low as $199.

Alternative routes for Seattle-Tacoma International to Tri-City Regional

Destination information for Tri-City Regional

Things to know before you go. Useful info for your trip from Seattle-Tacoma International to Tri-City Regional
Average temperature for September in Tri-City Regional
78.8 °F
Avg rainfall for September in Tri-City Regional
3.9 ″

Airports servicing Seattle

Airports servicing Blountville

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