Cheap direct flights Denver (DEN) - Seattle (SEA)

With a journey time of 3h 27min, 5 airline(s) fly this route spanning 1654 km.

Cheap direct flights Denver (DEN) - Seattle (SEA) – Ecofly
DEN
Denver International Airport
SEA
Seattle-Tacoma International Airport
Depart
Return
1, Economy
1, Economy
Search flights
route-map
United-States
DEN Denver
route-path
United-States
SEA Seattle

Distance 1028 miles (1654 km)

Flight time 3h 27min

Flight time 3h 27min

Airlines operating without stops between Denver International Airport and Seattle-Tacoma International Airport

Alaska Airlines

Alaska Airlines business available

Sunday
Monday
Tuesday
Wednesday
Thursday
Friday
Saturday

business available

4-5 daily flights

Delta Air Lines

Delta Air Lines business available

Sunday
Monday
Tuesday
Wednesday
Thursday
Friday
Saturday

business available

3 daily flights

Frontier Airlines

Frontier Airlines low cost airline

Sunday
Monday
Tuesday
Wednesday
Thursday
Friday
Saturday

low cost airline

1 daily flights

United Airlines

United Airlines

Sunday
Monday
Tuesday
Wednesday
Thursday
Friday
Saturday

4-5 daily flights

Southwest Airlines

Southwest Airlines low cost airline

Sunday
Monday
Tuesday
Wednesday
Thursday
Friday
Saturday

low cost airline

3-4 daily flights

Direct flight timetable between Denver and Seattle

Using the calendar, you can check all direct departures from Denver International Airport to Seattle-Tacoma International Airport across multiple airlines. Choose a timeframe and explore available flights, or initiate a search to discover top fare offers.

Non-stop Flights Schedule

Airline Flight Mon Tue Wed Thu Fri Sat Sun
Alaska Airlines
Alaska Airlines
AS 643
Su
07:00
Mo
07:00
Tu
07:00
We
07:00
Th
07:00
Fr
07:00
Sa
07:00
Alaska Airlines
Alaska Airlines
AS 682
Su
11:45
Mo
11:45
Tu
11:45
We
11:45
Th
11:45
Fr
11:45
Sa
11:45
Alaska Airlines
Alaska Airlines
AS 620
Su
Mo
14:55
Tu
14:55
We
14:55
Th
14:55
Fr
14:55
Sa
14:55
Alaska Airlines
Alaska Airlines
AS 556
Su
17:30
Mo
17:30
Tu
17:30
We
17:30
Th
17:30
Fr
17:30
Sa
Alaska Airlines
Alaska Airlines
AS 642
Su
Mo
Tu
We
Th
Fr
Sa
19:55
Alaska Airlines
Alaska Airlines
AS 1474
Su
20:20
Mo
20:20
Tu
20:20
We
20:20
Th
20:20
Fr
20:20
Sa
Delta Air Lines
Delta Air Lines
DL 2061
Su
06:20
Mo
06:20
Tu
06:20
We
06:20
Th
06:20
Fr
06:20
Sa
06:20
Delta Air Lines
Delta Air Lines
DL 1037
Su
12:32
Mo
12:32
Tu
12:32
We
12:32
Th
12:32
Fr
12:32
Sa
12:32
Delta Air Lines
Delta Air Lines
DL 1396
Su
19:50
Mo
19:50
Tu
We
Th
19:50
Fr
19:50
Sa
Delta Air Lines
Delta Air Lines
DL 3639
Su
Mo
Tu
19:55
We
19:55
Th
Fr
Sa
19:55
Frontier Airlines
Frontier Airlines
F9 423
Su
19:27
Mo
09:08
Tu
09:08
We
Th
19:16
Fr
Sa
United Airlines
United Airlines
UA 1077
Su
08:04
Mo
Tu
We
08:00
Th
08:04
Fr
08:04
Sa
United Airlines
United Airlines
UA 509
Su
11:37
Mo
11:23
Tu
11:23
We
11:37
Th
11:37
Fr
11:37
Sa
11:37
United Airlines
United Airlines
UA 530
Su
Mo
13:45
Tu
13:45
We
Th
Fr
Sa
United Airlines
United Airlines
UA 450
Su
16:14
Mo
Tu
We
16:12
Th
16:14
Fr
16:14
Sa
16:14
United Airlines
United Airlines
UA 2363
Su
Mo
16:16
Tu
16:16
We
Th
Fr
Sa
United Airlines
United Airlines
UA 302
Su
19:22
Mo
19:10
Tu
19:10
We
19:22
Th
19:22
Fr
19:22
Sa
19:22
United Airlines
United Airlines
UA 2651
Su
20:57
Mo
20:57
Tu
20:57
We
20:57
Th
20:57
Fr
20:57
Sa
20:57
Southwest Airlines
Southwest Airlines
WN 4004
Su
Mo
Tu
We
05:45
Th
Fr
Sa
Southwest Airlines
Southwest Airlines
WN 4005
Su
Mo
06:00
Tu
06:15
We
Th
Fr
Sa
Southwest Airlines
Southwest Airlines
WN 2315
Su
07:45
Mo
Tu
We
Th
08:35
Fr
08:35
Sa
Southwest Airlines
Southwest Airlines
WN 1492
Su
Mo
Tu
We
09:00
Th
Fr
Sa
Southwest Airlines
Southwest Airlines
WN 3411
Su
Mo
Tu
11:45
We
Th
Fr
Sa
Southwest Airlines
Southwest Airlines
WN 388
Su
Mo
12:45
Tu
We
Th
Fr
Sa
Southwest Airlines
Southwest Airlines
WN 2003
Su
Mo
Tu
We
Th
Fr
Sa
13:20
Southwest Airlines
Southwest Airlines
WN 3396
Su
Mo
Tu
We
14:00
Th
Fr
Sa
Southwest Airlines
Southwest Airlines
WN 1632
Su
18:05
Mo
Tu
We
Th
15:10
Fr
15:10
Sa
16:30
Southwest Airlines
Southwest Airlines
WN 489
Su
Mo
Tu
18:55
We
Th
Fr
Sa
Southwest Airlines
Southwest Airlines
WN 1862
Su
Mo
19:35
Tu
We
21:30
Th
Fr
Sa
Southwest Airlines
Southwest Airlines
WN 2434
Su
22:35
Mo
Tu
We
Th
22:15
Fr
22:15
Sa
19:35
Southwest Airlines
Southwest Airlines
WN 1547
Su
Mo
Tu
22:00
We
Th
Fr
Sa
Southwest Airlines
Southwest Airlines
WN 1644
Su
Mo
22:55
Tu
We
Th
Fr
Sa

Price analysis for non-stop flights from Denver to Seattle

If you're in search of the most budget-friendly option, consider a direct flight from Denver International Airport to Seattle-Tacoma International Airport, where fares can start as low as 115€, particularly during the wallet-friendly month of September. These average prices for non-stop flights linking Denver International Airport (DEN) and Seattle-Tacoma International Airport (SEA) are meticulously derived from user queries, based on the lowest monthly round-trip rates available for a single adult traveler. It's important to note that these fare figures are subject to fluctuations based on the quantity of data accessible for this specific route.

For travelers aiming to maximize savings, this represents an exceptional opportunity. Booking your direct flight during September could result in significant cost savings, with the potential to secure fares as attractive as 115€. These values reflect the collective search patterns of users, factoring in the lowest monthly rates for round-trip journeys by adult passengers. Please keep in mind that these prices may vary depending on the depth of data available for this specific flight route.

€238 Approximately

€327 Jan
€265 Feb
€279 March
€301 April
€382 May
€393 June
€213 July
€124 Aug
€118 Sep
€122 Oct
€122 Nov
€217 Dec

Estimated fares for a journey connecting Denver International Airport (DEN) and Seattle-Tacoma International Airport (SEA)

Denver International Airport

Departing from Denver International Airport (DEN)

Denver International Airport (DEN) holds the distinction of being the third largest airport in the entire United States, showcasing its significant size and capacity.

Show all flights from DEN →
route-pointer route-pointer
Seattle-Tacoma International Airport

belgium
Arriving to Seattle-Tacoma International Airport (SEA)

Seattle-Tacoma International Airport (SEA) is a large airport in United States.

Show all flights from SEA →

Best in Denver

Cheap car rentals in Denver

Cheap car rentals in Denver

Travel on your terms, adapting seamlessly to sudden shifts or preferences.

Search cars
Best hotel offer in Denver

Best hotel offer in Denver

star star star star star
-70% Discounted Hotels
Excursions & Activities in Denver

Excursions & Activities in Denver

Engage with a local tour specialist or pre-book a museum ticket.

Book an Excursion

The aircraft types servicing this route

Below, you'll find an all-encompassing catalog of the various aircraft varieties used on this particular route, complete with details about their passenger capacity and the classes they offer.

  • Boeing 737-900 (winglets) Passenger/BBJ3

    Boeing 737-900 (winglets) Passenger/BBJ3

    Alaska Airlines
    178 seats (all economy)
  • Boeing 737-800 (winglets) Passenger/BBJ2

    Boeing 737-800 (winglets) Passenger/BBJ2

    Alaska Airlines
    174 seats (all economy)
  • Boeing 737MAX 9 Passenger

    Boeing 737MAX 9 Passenger

    Alaska Airlines
    178 seats (all economy)
  • Boeing 737-900 Passenger

    Boeing 737-900 Passenger

    Alaska Airlines
    181 seats (all economy)
  • Boeing 737-700 Passenger

    Boeing 737-700 Passenger

    Alaska Airlines
    124 seats (all economy)
  • Code 223

    Code 223

    Delta Air Lines
    130 seats (all economy)
  • Code 221

    Code 221

    Delta Air Lines
    109 seats (all economy)
  • Embraer 175 (Enhanced Winglets)

    Embraer 175 (Enhanced Winglets)

    Delta Air Lines
    73 seats (all economy)
  • A320neo

    A320neo

    Frontier Airlines
    186 seats (all economy)
  • Boeing 737MAX 9 Passenger

    Boeing 737MAX 9 Passenger

    United Airlines
    178 seats (all economy)
  • Boeing 737-800 Passenger

    Boeing 737-800 Passenger

    United Airlines
    165 seats (all economy)
  • Airbus A319

    Airbus A319

    United Airlines
    126 seats (all economy)
  • Boeing 737-900 Passenger

    Boeing 737-900 Passenger

    United Airlines
    179 seats (all economy)
  • Airbus A320

    Airbus A320

    United Airlines
    150 seats (all economy)
  • Boeing 737-700 (winglets) Passenger/BBJ1

    Boeing 737-700 (winglets) Passenger/BBJ1

    Southwest Airlines
    143 seats (all economy)
  • Boeing 737MAX 8 Passenger

    Boeing 737MAX 8 Passenger

    Southwest Airlines
    168 seats (all economy)
  • Boeing 737-800 Passenger

    Boeing 737-800 Passenger

    Southwest Airlines
    155 seats (all economy)
  • Boeing 737-800 (winglets) Passenger/BBJ2

    Boeing 737-800 (winglets) Passenger/BBJ2

    Southwest Airlines
    175 seats (all economy)

Denver (DEN) - Seattle (SEA) : Flight information

We've compiled a comprehensive summary of the pivotal particulars for this flight.

  • ticket

    Cheapest flight found

    118€
  • clock

    Average flight time

    3:27 h
  • checkmark-calendar

    Cheapest month for a flight

    September
  • send

    Most popular airline

    Alaska Airlines
  • regular-calendar

    Flights per week

    35

FAQ about direct flights from Denver International Airport to Seattle-Tacoma International Airport

What is the flight duration from Denver International Airport to Seattle-Tacoma International Airport?

Typically, flights from Denver International Airport to Seattle-Tacoma International Airport take around 3h 27min on average.

How many airlines offer non-stop flights from Denver to Seattle?

There are 5 airlines that offer nonstop flights to Seattle-Tacoma International Airport (SEA). These airlines, including Alaska Airlines, Delta Air Lines, Frontier Airlines, United Airlines, Southwest Airline, provide convenient and direct travel options for passengers looking to reach their destination swiftly without layovers.

What is the average price of airfare from Denver International Airport to Seattle-Tacoma International Airport?

The most economical option for a non-stop flight from Denver International Airport to Seattle-Tacoma International Airport can be found at 115€, and this special rate is typically available during September. However, it's important to note that airfares tend to increase during June, with the average cost of a direct flight soaring to 381€.

Which airline is the top choice for travelers on this route?

For travelers seeking non-stop journeys between Denver and Seattle, Alaska Airlines is the airline that stands out.

What's the air travel distance from Denver to Seattle?

Distance from Denver to Seattle is approximately 1654 kilometers

Our advantages

medal

100% Free

Start saving immediately with EcoFly

flexibility

Book with Flexibility

Organize your trips early and secure flights free from change fees.

smart

Travel smart

With insightful data and detailed charts on our platform, we simplify the travel decision-making process.

Reviews

star
star
star
star
star
4 (27145 reviews)

Jessica

star
star
star
star
star
5

Eco-Fly has completely transformed the way I travel! Not only have I been able to secure affordable tickets, but the whole booking process is so seamless. Highly recommended

Liam

star
star
star
star
star
4

As a frequent traveler, I've used numerous platforms, but Eco-Fly stands out. Their deals are unmatched, and the interface is user-friendly. A definite game-changer.

Elena

star
star
star
star
star
Aisha

stumbled upon Eco-Fly while looking for budget flights, and it's now my go-to site. It's efficient, provides fantastic options, and ensures I save on every trip.

Sasha

star
star
star
star
star
5

Eco-Fly has made traveling on a budget so much more accessible. The variety of options and clear price breakdowns make the process stress-free.

Grace H.

star
star
star
star
star
5

What I love most about Eco-Fly is the transparency. No hidden fees, and the prices truly are the best out there. Five stars from me!

Tyrone

star
star
star
star
star
4

Booking my flights has never been easier. With Eco-Fly, I get the best prices, and the search filters help narrow down the perfect flight options for my schedule.

Elena

star
star
star
star
star
4

Eco-Fly delivers on its promise—cheap, easy-to-book flights without the hassle. I've saved hundreds on my trips thanks to them.