Direct flights from Denver to Seattle

Did you mean Flights from Seattle to Denver?

Denver

United States

DEN

Denver International Airport

Seattle

United States

SEA

Seattle Tacoma International Airport

Route: Nonstop service available
Distance: 1,022 miles
Marketing airlines: 21 airlines
Aircraft: 15 aircraft types
Dates: Oct 5, 2026 – Oct 3, 2027

Observed award fares

A sample of one-way prices for one traveler from Roame’s fare cache. Points, fees, and seats describe the same observation. Availability can change; confirm with the loyalty program before transferring points.

Lowest price in this limited sample: 9,800 points + $6.00 for DEN → SEA, Economy, on 2026-11-06, booked with Delta SkyMiles. This is an observed fare, not a guaranteed price or the lowest price across all dates and programs.

Departure window: 2026-10-10 through 2026-11-08.

Recently observed award prices by route, flight, departure date, cabin, and booking program
Route / flight	Departure	Cabin	Book with	Points	Fees (USD)	Seats seen	Observed (UTC)
DEN → SEA DL1731	2026-11-06	Economy	Delta SkyMiles	9,800	$6.00	9	2026-10-09 04:27
DEN → SEA DL2543	2026-11-06	Economy	Delta SkyMiles	9,800	$6.00	9	2026-10-09 04:27
DEN → SEA DL1358	2026-11-06	Economy	Delta SkyMiles	11,000	$6.00	9	2026-10-09 04:27
DEN → SEA DL2543	2026-11-06	Economy Plus	Delta SkyMiles	11,500	$6.00	9	2026-10-09 04:27
DEN → SEA DL1731	2026-11-06	Economy Plus	Delta SkyMiles	11,500	$6.00	9	2026-10-09 04:27
DEN → SEA UA2767	2026-10-29	Economy	United MileagePlus	12,200	$5.00	1	2026-10-09 00:09
DEN → SEA UA2271	2026-10-29	Economy	United MileagePlus	12,200	$5.00	1	2026-10-09 00:09
DEN → SEA UA2651	2026-10-29	Economy	United MileagePlus	12,200	$5.00	1	2026-10-09 00:09
DEN → SEA UA2271	2026-11-04	Economy	United MileagePlus	12,200	$5.00	1	2026-10-08 23:29
DEN → SEA UA2651	2026-11-04	Economy	United MileagePlus	12,200	$5.00	1	2026-10-08 23:29
DEN → SEA UA2013	2026-11-04	Economy	United MileagePlus	12,200	$5.00	1	2026-10-08 23:29
DEN → SEA UA2651	2026-11-06	Economy	United MileagePlus	12,200	$5.00	1	2026-10-08 15:38

Explore these booking programs

Search Delta SkyMiles awards Delta SkyMiles booking and transfer guide
Transfer partners in our directory: Amex Membership Rewards, Marriott Bonvoy, Accor Live Limitless, IHG Rewards. Check current eligibility and terms before transferring.
Search United MileagePlus awards United MileagePlus booking and transfer guide
Transfer partners in our directory: Chase Ultimate Rewards, Bilt Rewards, Marriott Bonvoy, Accor Live Limitless, IHG Rewards, Choice Privileges. Check current eligibility and terms before transferring.

Denver to Seattle route overview

Denver International Airport (DEN) serves Denver; Seattle Tacoma International Airport (SEA) serves Seattle.

The airports are 1,022 miles apart by great-circle distance.

Roame's current schedule feed shows nonstop service from DEN to SEA.

Marketing airlines listed in the current schedule, including codeshare sellers, are American Airlines (AA), Air France (AF), Alaska Airlines (AS), Finnair (AY), Copa Airlines (CM), Cathay Pacific (CX), Condor (DE), Delta Air Lines (DL), Frontier Airlines (F9), Icelandair (FI), Japan Airlines (JL), Starlux Airlines (JX), Korean Air (KE), All Nippon Airways (NH), Qatar Airways (QR), Scandinavian Airlines (SK), United Airlines (UA), Virgin Atlantic (VS), Southwest Airlines (WN), WestJet (WS) and Volaris (Y4). This list does not identify the operating airline for each flight; check the flight details before booking.

Published schedule dates span Oct 5, 2026 – Oct 3, 2027.

Marketing airlines on the Denver to Seattle route

These are marketing airlines, including codeshare sellers. This list does not identify the operating airline for each flight; check the flight details before booking.

Air France (AF)Codeshare only
Finnair (AY)Codeshare only
Copa Airlines (CM)Codeshare only
Cathay Pacific (CX)Codeshare only
Condor (DE)Codeshare only
Icelandair (FI)Codeshare only
Japan Airlines (JL)Codeshare only
Starlux Airlines (JX)Codeshare only
Korean Air (KE)Codeshare only
All Nippon Airways (NH)Codeshare only
Qatar Airways (QR)Codeshare only
Scandinavian Airlines (SK)Codeshare only
Virgin Atlantic (VS)Codeshare only
WestJet (WS)Codeshare only
Volaris (Y4)Codeshare only

Airline alliance affiliations represented: Oneworld, SkyTeam, Star Alliance

Aircraft flying from DEN to SEA

Frequently asked questions

Which airports serve the Denver to Seattle route?

Denver International Airport (DEN) is the origin airport and Seattle Tacoma International Airport (SEA) is the destination airport.

How far is Seattle from Denver?

DEN and SEA are approximately 1,022 miles apart by great-circle distance.

Are there direct flights from DEN to SEA?

Yes. Roame's current schedule feed shows nonstop service from DEN to SEA.

Which airlines market flights from DEN to SEA?

Which aircraft fly from DEN to SEA?

Aircraft listed in the current schedule include Airbus A220-100 (221), Airbus A220-300 (223), Airbus A319 (319), Airbus A320 (320), Airbus A321 (321), Airbus A320neo (32N), Airbus A321neo (32Q), Boeing 737-800 (738), Boeing 737-900 / Boeing 737-900ER (739), Boeing 737-800 Winglets (73H), Boeing 737-900 Winglets (73J), Boeing 737 MAX 8 (7M8), 7S7, Embraer 175 (long wing) (E7W) and JET.