Cheap Business Class Flights from Denver to Seattle
DEN — SEA
Aug 18 — Aug 251
Round-trip
1 adult, Business
We work with more than 300 partners to bring you better travel deals
Leverage Cheapflights for Your Next Trip
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Essential info for Business Class flights from Denver to Seattle
Find the latest flights to Seattle in 2026, with up-to-date prices and availability. In the last 7 days, Cheapflights users made a total of 2,558,603 searches and data were last updated on July 19, 2026.
Top Rated Airline | American Airlines |
|---|---|
No. of Airlines | 6 |
Arrival Airport | Seattle/Tacoma Intl Airport |
Find Business Class flight deals from Denver to Seattle
Cheapest
Best
One-way
Quickest
Cheapest business class flights to SeattleExplore the most affordable business class flight options available to Seattle. Find the lowest fares based on data from user searches, with prices last updated on July 19, 2026.
Explore the most affordable business class flight options available to Seattle. Find the lowest fares based on data from user searches, with prices last updated on July 19, 2026.
This Expedia deal was found by Cheapflights users on 7/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/307:15 am
DEN
- SEA
Nonstop3h 04m
Frontier
Sun 9/62:37 pm
SEA
- DEN
Nonstop2h 56m
Frontier
Deal found 7/18![Frontier logo]()
$331
This Orbitz deal was found by Cheapflights users on 7/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/147:45 am
DEN
- SEA
Nonstop3h 06m
Frontier
Tue 10/207:41 pm
SEA
- DEN
Nonstop2h 53m
Frontier
Deal found 7/17![Frontier logo]()
$344
This Expedia deal was found by Cheapflights users on 7/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/297:15 am
DEN
- SEA
Nonstop3h 04m
Frontier
Sat 9/57:06 pm
SEA
- DEN
Nonstop2h 52m
Frontier
Deal found 7/15![Frontier logo]()
$399
This Expedia deal was found by Cheapflights users on 7/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/137:00 am
DEN
- SEA
Nonstop3h 04m
Frontier
Sun 8/167:06 pm
SEA
- DEN
Nonstop2h 52m
Frontier
Deal found 7/14![Frontier logo]()
$441
This Alaska Airlines deal was found by Cheapflights users on 7/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/236:17 am
DEN
- SEA
1 stop7h 22m
Alaska Airlines
Wed 9/301:30 pm
SEA
- DEN
2 stops8h 11m
Alaska Airlines
Deal found 7/17![Alaska Airlines logo]()
$780
Best business class flights to SeattleDiscover carefully curated business class flight deals to Seattle that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 19, 2026.
Discover carefully curated business class flight deals to Seattle that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 19, 2026.
This Expedia deal was found by Cheapflights users on 7/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/307:15 am
DEN
- SEA
Nonstop3h 04m
Frontier
Sun 9/62:37 pm
SEA
- DEN
Nonstop2h 56m
Frontier
Deal found 7/18![Frontier logo]()
$331
This Orbitz deal was found by Cheapflights users on 7/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/147:45 am
DEN
- SEA
Nonstop3h 06m
Frontier
Tue 10/207:41 pm
SEA
- DEN
Nonstop2h 53m
Frontier
Deal found 7/17![Frontier logo]()
$344
This Alaska Airlines deal was found by Cheapflights users on 7/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/236:17 am
DEN
- SEA
1 stop7h 22m
Alaska Airlines
Wed 9/301:30 pm
SEA
- DEN
2 stops8h 11m
Alaska Airlines
Deal found 7/17![Alaska Airlines logo]()
$780
This Expedia deal was found by Cheapflights users on 7/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/297:15 am
DEN
- SEA
Nonstop3h 04m
Frontier
Sat 9/57:06 pm
SEA
- DEN
Nonstop2h 52m
Frontier
Deal found 7/15![Frontier logo]()
$399
This Expedia deal was found by Cheapflights users on 7/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/137:00 am
DEN
- SEA
Nonstop3h 04m
Frontier
Sun 8/167:06 pm
SEA
- DEN
Nonstop2h 52m
Frontier
Deal found 7/14![Frontier logo]()
$441
This Alaska Airlines deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/21:43 pm
DEN
- SEA
1 stop7h 09m
Alaska Airlines
Sat 9/510:43 am
SEA
- DEN
2 stops9h 30m
Alaska Airlines
Deal found 7/19![Alaska Airlines logo]()
$865
This Expedia deal was found by Cheapflights users on 7/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/910:30 pm
DEN
- SEA
1 stop20h 15m
Frontier
Deal found 7/17![Frontier logo]()
$280
This Alaska Airlines deal was found by Cheapflights users on 7/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/97:00 am
DEN
- SEA
2 stops12h 51m
Alaska Airlines
Deal found 7/17![Alaska Airlines logo]()
$453
This Alaska Airlines deal was found by Cheapflights users on 7/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/86:17 am
DEN
- SEA
2 stops16h 23m
Alaska Airlines
Deal found 7/17![Alaska Airlines logo]()
$493
This Alaska Airlines deal was found by Cheapflights users on 7/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/187:00 am
DEN
- SEA
2 stops10h 30m
Alaska Airlines
Deal found 7/15![Alaska Airlines logo]()
$512
This Alaska Airlines deal was found by Cheapflights users on 7/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/56:00 am
DEN
- SEA
2 stops13h 56m
Alaska Airlines
Deal found 7/16![Alaska Airlines logo]()
$522
This Alaska Airlines deal was found by Cheapflights users on 7/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/156:26 pm
DEN
- SEA
2 stops12h 27m
Alaska Airlines
Deal found 7/15![Alaska Airlines logo]()
$558
One-way business class flights to SeattleSearch for one-way business class flight options to Seattle. Find affordable one-way fares based on user searches. Data last updated July 19, 2026.
Search for one-way business class flight options to Seattle. Find affordable one-way fares based on user searches. Data last updated July 19, 2026.
This Expedia deal was found by Cheapflights users on 7/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/910:29 pm
DEN
- SEA
Nonstop2h 58m
Frontier
Deal found 7/17![Frontier logo]()
$183
This Expedia deal was found by Cheapflights users on 7/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/158:45 am
DEN
- SEA
1 stop11h 13m
Frontier
Deal found 7/15![Frontier logo]()
$270
This Alaska Airlines deal was found by Cheapflights users on 7/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/319:08 pm
DEN
- SEA
Nonstop3h 02m
Alaska Airlines
Deal found 7/16![Alaska Airlines logo]()
$365
This Alaska Airlines deal was found by Cheapflights users on 7/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/97:00 am
DEN
- SEA
2 stops12h 51m
Alaska Airlines
Deal found 7/17![Alaska Airlines logo]()
$453
This American Airlines deal was found by Cheapflights users on 7/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/3012:15 pm
DEN
- SEA
1 stop6h 29m
American Airlines
Deal found 7/16![American Airlines logo]()
$469
This Alaska Airlines deal was found by Cheapflights users on 7/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/86:17 am
DEN
- SEA
2 stops16h 23m
Alaska Airlines
Deal found 7/17![Alaska Airlines logo]()
$493
Quickest business class flights to SeattleExplore quickest business class flight options to Seattle based on user searches, and compare prices and availability for your desired travel dates. Data last updated July 19, 2026.
Explore quickest business class flight options to Seattle based on user searches, and compare prices and availability for your desired travel dates. Data last updated July 19, 2026.
This Expedia deal was found by Cheapflights users on 7/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/307:15 am
DEN
- SEA
Nonstop3h 04m
Frontier
Sun 9/62:37 pm
SEA
- DEN
Nonstop2h 56m
Frontier
Deal found 7/18![Frontier logo]()
$331
This Expedia deal was found by Cheapflights users on 7/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/297:15 am
DEN
- SEA
Nonstop3h 04m
Frontier
Sat 9/57:06 pm
SEA
- DEN
Nonstop2h 52m
Frontier
Deal found 7/15![Frontier logo]()
$399
This Expedia deal was found by Cheapflights users on 7/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/137:00 am
DEN
- SEA
Nonstop3h 04m
Frontier
Sun 8/167:06 pm
SEA
- DEN
Nonstop2h 52m
Frontier
Deal found 7/14![Frontier logo]()
$441
This Orbitz deal was found by Cheapflights users on 7/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/147:45 am
DEN
- SEA
Nonstop3h 06m
Frontier
Tue 10/207:41 pm
SEA
- DEN
Nonstop2h 53m
Frontier
Deal found 7/17![Frontier logo]()
$344
This Alaska Airlines deal was found by Cheapflights users on 7/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/236:17 am
DEN
- SEA
1 stop7h 22m
Alaska Airlines
Wed 9/301:30 pm
SEA
- DEN
2 stops8h 11m
Alaska Airlines
Deal found 7/17![Alaska Airlines logo]()
$780
This Expedia deal was found by Cheapflights users on 7/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/910:29 pm
DEN
- SEA
Nonstop2h 58m
Frontier
Deal found 7/17![Frontier logo]()
$183
This Alaska Airlines deal was found by Cheapflights users on 7/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/319:08 pm
DEN
- SEA
Nonstop3h 02m
Alaska Airlines
Deal found 7/16![Alaska Airlines logo]()
$365
This American Airlines deal was found by Cheapflights users on 7/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/3012:15 pm
DEN
- SEA
1 stop6h 29m
American Airlines
Deal found 7/16![American Airlines logo]()
$469
This Alaska Airlines deal was found by Cheapflights users on 7/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/187:00 am
DEN
- SEA
2 stops10h 30m
Alaska Airlines
Deal found 7/15![Alaska Airlines logo]()
$512
This Expedia deal was found by Cheapflights users on 7/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/158:45 am
DEN
- SEA
1 stop11h 13m
Frontier
Deal found 7/15![Frontier logo]()
$270
This Alaska Airlines deal was found by Cheapflights users on 7/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/156:26 pm
DEN
- SEA
2 stops12h 27m
Alaska Airlines
Deal found 7/15![Alaska Airlines logo]()
$558
Travel insights for business class flights from Denver to Seattle
Get recent, data-driven insights about business class flights from Denver to Seattle including ideal travel times, pricing trends, and more.
Top business class airline flying to Seattle
Explore the top four business class airlines operating flights to Seattle. Find out more about these airlines and their offerings, including amenities, in-flight services, and customer reviews. In the last 7 days, Cheapflights users made a total of 2,558,603 searches and data was last updated on July 19, 2026.
| Airline | Rating | First Class | Price | |
|---|---|---|---|---|
| PriceFrom $454 | First Class | Rating 7.4 | Reviews 1 / 10 Perfect |
Frequently Asked Questions about Denver to Seattle Business Class flights
Find answers to common questions related to Business Class tickets for flights to Seattle. Get information on booking, amenities, upgrade options, and more. This FAQ section was last updated on July 19, 2026.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Complete your trip
Flights by cabin class
More business class flights
Popular routes
Complete your trip
Complement your business class flight to Seattle by adding a car rental and/or hotel room to your itinerary.
Search flights to Seattle by cabin class
from $442/person
from $293/person
from $118/person
Expand your business class flight ticket search
Look further for the perfect business class travel experience if you are not set on Seattle
Business class flights to Los Angelesfrom $193/person
Business class flights to Las Vegasfrom $182/person
Business class flights to Chicagofrom $175/person
Business class flights to Miamifrom $233/person