Cheap flights from Denver to Seattle (DEN - SEA) from $34

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/20. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
DEN — SEA
Mar 24 — Mar 311

The best prices from Denver Intl to Seattle/Tacoma Intl are usually found in February or January, booked 81 days in advance, depart on a Tuesday or Saturday and return on a Wednesday

Cheap flight deals from Denver to Seattle

Discover tips and strategies to find the most affordable flight options for your journey from Denver (DEN) to Seattle (SEA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated March 19, 2024.

Popular in

June

Cheapest in

February

Round-trip from

$243

One-way from

$65
High demand for flights, 30% potential price rise
Best time to find cheap flights, 29% potential price drop
From Denver Intl to Seattle/Tacoma Intl
One-way flight from Denver Intl to Seattle/Tacoma Intl

What is the cheapest day to fly round-trip from Denver to Seattle?

Users have found that leaving on a Monday can be a cost-effective option. It’s possible to save up to 22% on your flight compared to booking on days when demand is much higher.

How far in advance should I book a flight from Denver to Seattle?

Find a great deal and save up to 58% by booking at least 31 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from Denver to Seattle within the next two weeks, with the cheapest ticket starting at $204.

What is the cheapest month to fly from Denver to Seattle?

Our data shows that February tends to be the cheapest month to fly to Seattle from Denver. Users have commonly found prices around $208 for the month, but tickets can be as low as $63. Due to multiple factors, prepare for potentially higher prices in June.

When is the cheapest time to fly from Denver to Seattle (DEN - SEA)?

When flying from Denver to Seattle, the time of day you fly usually plays a role in the price. Save by searching for a flight at noon, which can drop the price by up to 37% versus a flight in the afternoon.

Cheap Frontier flights from Denver to Seattle

Explore cheap flight options specifically provided by Frontier for the route between Denver and Seattle. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 3,145,932 searches. Data last updated March 19, 2024.
Take a look at some of the lowest-priced Frontier flights heading from Denver to Seattle. Deals update often to give you more flight options matching your criteria
Sat 4/205:56 pmDEN - SEA
Nonstop3h 10mFrontier
Wed 4/245:58 pmSEA - DEN
Nonstop2h 48mFrontier
Deal found 3/18$63
Wed 4/172:49 pmDEN - SEA
Nonstop3h 09mFrontier
Wed 4/245:58 pmSEA - DEN
Nonstop2h 48mFrontier
Deal found 3/18$65
Sat 4/205:56 pmDEN - SEA
Nonstop3h 10mFrontier
Sat 4/279:32 pmSEA - DEN
Nonstop2h 50mFrontier
Deal found 3/18$68
Wed 4/172:49 pmDEN - SEA
Nonstop3h 09mFrontier
Sat 4/272:55 pmSEA - DEN
Nonstop2h 47mFrontier
Deal found 3/18$70
Sat 4/205:56 pmDEN - SEA
Nonstop3h 10mFrontier
Sat 4/209:06 pmSEA - DEN
Nonstop2h 50mFrontier
Deal found 3/18$71
Fri 4/192:54 pmDEN - SEA
Nonstop3h 09mFrontier
Tue 4/239:35 pmSEA - DEN
Nonstop2h 50mFrontier
Deal found 3/18$73
Mon 5/65:11 amDEN - SEA
Nonstop3h 09mFrontier
Wed 5/85:58 pmSEA - DEN
Nonstop2h 48mFrontier
Deal found 3/18$75
Wed 4/36:49 pmDEN - SEA
Nonstop3h 05mFrontier
Wed 4/175:58 pmSEA - DEN
Nonstop2h 48mFrontier
Deal found 3/18$77
Tue 6/116:35 amDEN - SEA
Nonstop3h 02mFrontier
Wed 6/1910:08 pmSEA - DEN
Nonstop2h 43mFrontier
Deal found 3/18$78
  • One of the most popular airlines traveling from Denver to Seattle is Frontier. Flights from Frontier traveling this route typically cost $237.79 RT. This price is typically 27% cheaper than other airlines that offer Denver to Seattle flights. When booking this route, the cheapest RT price found was $89. Denver Intl Airport is the most common Denver airport to take off from when flying to Seattle. Seattle/Tacoma Intl Airport is the most popular arrival airport in Seattle. When flying from Denver to Seattle, Frontier flights are 13% more popular than any other airline flying that same route.

Cheap Delta flights from Denver to Seattle

Explore cheap flight options specifically provided by Delta for the route between Denver and Seattle. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 3,145,932 searches. Data last updated March 19, 2024.
To aid your search, here are some of the cheapest Delta flights we've found from Denver to Seattle. If these deals don't fit your criteria, make sure to check back soon as new deals are always added.
Thu 4/116:15 amDEN - SEA
Nonstop3h 13mDelta
Mon 4/157:20 amSEA - DEN
Nonstop2h 40mDelta
Deal found 3/18$137
Thu 6/66:15 amDEN - SEA
Nonstop3h 03mDelta
Tue 6/117:45 pmSEA - DEN
Nonstop2h 39mDelta
Deal found 3/18$177
Fri 4/55:23 amDEN - SEA
1 stop4h 56mDelta
Fri 4/127:35 pmSEA - DEN
Nonstop2h 38mDelta
Deal found 3/18$206
Sat 4/205:24 amDEN - SEA
2 stops11h 50mDelta
Sun 4/217:20 amSEA - DEN
Nonstop2h 40mDelta
Deal found 3/18$229
Mon 3/256:15 amDEN - SEA
Nonstop3h 09mDelta
Fri 3/297:36 pmSEA - DEN
Nonstop2h 39mDelta
Deal found 3/18$257
Mon 3/256:20 pmDEN - SEA
1 stop6h 47mDelta
Fri 3/297:36 pmSEA - DEN
Nonstop2h 39mDelta
Deal found 3/18$266
Tue 3/1912:10 pmDEN - SEA
Nonstop3h 01mDelta
Mon 3/257:36 pmSEA - DEN
Nonstop2h 39mDelta
Deal found 3/18$277
Fri 3/226:15 amDEN - SEA
Nonstop3h 09mDelta
Tue 3/261:35 pmSEA - DEN
1 stop4h 38mDelta
Deal found 3/17$286
Sun 3/245:23 amDEN - SEA
1 stop4h 56mDelta
Fri 3/297:36 pmSEA - DEN
Nonstop2h 39mDelta
Deal found 3/18$296
  • One of the most popular airlines traveling from Denver to Seattle is Delta. Flights from Delta traveling this route typically cost $218.29 RT. This price is typically 63% cheaper than other airlines that offer Denver to Seattle flights. When booking this route, the cheapest RT price found was $79. Denver Intl Airport is the most common Denver airport to take off from when flying to Seattle. Seattle/Tacoma Intl Airport is the most popular arrival airport in Seattle. When flying from Denver to Seattle, Delta flights are 11% more popular than any other airline flying that same route.

Cheap Denver to Seattle flights in March & April 2024

Find cheap flight options from Denver to Seattle specifically for the months of March and April 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 3,145,932 searches. Prices were last updated on March 19, 2024.
Scroll through some of the best deals on flights from Denver to Seattle in 2024. More deals are always being added, so be sure to check back regularly.
Sat 4/205:56 pmDEN - SEA
Nonstop3h 10mFrontier
Wed 4/245:58 pmSEA - DEN
Nonstop2h 48mFrontier
Deal found 3/18$63
Wed 4/172:49 pmDEN - SEA
Nonstop3h 09mFrontier
Wed 4/245:58 pmSEA - DEN
Nonstop2h 48mFrontier
Deal found 3/18$65
Sat 4/205:56 pmDEN - SEA
Nonstop3h 10mFrontier
Sat 4/279:32 pmSEA - DEN
Nonstop2h 50mFrontier
Deal found 3/18$68
Wed 4/172:49 pmDEN - SEA
Nonstop3h 09mFrontier
Sat 4/272:55 pmSEA - DEN
Nonstop2h 47mFrontier
Deal found 3/18$70
Sat 4/205:56 pmDEN - SEA
Nonstop3h 10mFrontier
Sat 4/209:06 pmSEA - DEN
Nonstop2h 50mFrontier
Deal found 3/18$71
Fri 4/192:54 pmDEN - SEA
Nonstop3h 09mFrontier
Tue 4/239:35 pmSEA - DEN
Nonstop2h 50mFrontier
Deal found 3/18$73
Wed 4/36:49 pmDEN - SEA
Nonstop3h 05mFrontier
Wed 4/175:58 pmSEA - DEN
Nonstop2h 48mFrontier
Deal found 3/18$77
Sat 4/205:56 pmDEN - SEA
Nonstop3h 10mFrontier
Mon 4/228:20 amSEA - DEN
Nonstop2h 47mFrontier
Deal found 3/18$78
Wed 4/172:49 pmDEN - SEA
Nonstop3h 09mFrontier
Fri 4/2610:34 pmSEA - DEN
Nonstop2h 47mFrontier
Deal found 3/18$80

Denver to Seattle 2024 flight deals

Discover exclusive flight deals for travel between Denver and Seattle in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 3,145,932 searches. Data last updated March 19, 2024.
Scroll through some of the best deals on flights from Denver to Seattle in 2024. More deals are always being added, so be sure to check back regularly.
Sat 4/205:56 pmDEN - SEA
Nonstop3h 10mFrontier
Wed 4/245:58 pmSEA - DEN
Nonstop2h 48mFrontier
Deal found 3/18$63
Wed 4/172:49 pmDEN - SEA
Nonstop3h 09mFrontier
Wed 4/245:58 pmSEA - DEN
Nonstop2h 48mFrontier
Deal found 3/18$65
Sat 4/205:56 pmDEN - SEA
Nonstop3h 10mFrontier
Sat 4/279:32 pmSEA - DEN
Nonstop2h 50mFrontier
Deal found 3/18$68
Wed 4/172:49 pmDEN - SEA
Nonstop3h 09mFrontier
Sat 4/272:55 pmSEA - DEN
Nonstop2h 47mFrontier
Deal found 3/18$70
Sat 4/205:56 pmDEN - SEA
Nonstop3h 10mFrontier
Sat 4/209:06 pmSEA - DEN
Nonstop2h 50mFrontier
Deal found 3/18$71
Fri 4/192:54 pmDEN - SEA
Nonstop3h 09mFrontier
Tue 4/239:35 pmSEA - DEN
Nonstop2h 50mFrontier
Deal found 3/18$73
Mon 5/65:11 amDEN - SEA
Nonstop3h 09mFrontier
Wed 5/85:58 pmSEA - DEN
Nonstop2h 48mFrontier
Deal found 3/18$75
Wed 4/36:49 pmDEN - SEA
Nonstop3h 05mFrontier
Wed 4/175:58 pmSEA - DEN
Nonstop2h 48mFrontier
Deal found 3/18$77
Tue 6/116:35 amDEN - SEA
Nonstop3h 02mFrontier
Wed 6/1910:08 pmSEA - DEN
Nonstop2h 43mFrontier
Deal found 3/18$78

Non-stop flights to Seattle from Denver

Discover non-stop flight options from Denver to Seattle. Find direct flights with no layovers, providing a convenient travel experience. Explore non-stop flight options based on user searches, and compare prices and availability for your desired travel dates. Over the last 7 days, Cheapflights users made 3,145,932 searches. Data last updated March 19, 2024.
Consider booking one of these non-stop flights heading from Denver to Seattle. Select from other flights from Denver to Seattle by using the search form above.
Sat 4/205:56 pmDEN - SEA
Nonstop3h 10mFrontier
Wed 4/245:58 pmSEA - DEN
Nonstop2h 48mFrontier
Deal found 3/18$63
Wed 4/172:49 pmDEN - SEA
Nonstop3h 09mFrontier
Wed 4/245:58 pmSEA - DEN
Nonstop2h 48mFrontier
Deal found 3/18$65
Sat 4/205:56 pmDEN - SEA
Nonstop3h 10mFrontier
Sat 4/279:32 pmSEA - DEN
Nonstop2h 50mFrontier
Deal found 3/18$68
Wed 4/172:49 pmDEN - SEA
Nonstop3h 09mFrontier
Sat 4/272:55 pmSEA - DEN
Nonstop2h 47mFrontier
Deal found 3/18$70
Sat 4/205:56 pmDEN - SEA
Nonstop3h 10mFrontier
Sat 4/209:06 pmSEA - DEN
Nonstop2h 50mFrontier
Deal found 3/18$71
Fri 4/192:54 pmDEN - SEA
Nonstop3h 09mFrontier
Tue 4/239:35 pmSEA - DEN
Nonstop2h 50mFrontier
Deal found 3/18$73
Mon 5/65:11 amDEN - SEA
Nonstop3h 09mFrontier
Wed 5/85:58 pmSEA - DEN
Nonstop2h 48mFrontier
Deal found 3/18$75
Wed 4/36:49 pmDEN - SEA
Nonstop3h 05mFrontier
Wed 4/175:58 pmSEA - DEN
Nonstop2h 48mFrontier
Deal found 3/18$77
Tue 6/116:35 amDEN - SEA
Nonstop3h 02mFrontier
Wed 6/1910:08 pmSEA - DEN
Nonstop2h 43mFrontier
Deal found 3/18$78

Denver to Seattle flights leaving soon

Find last-minute flight options from Denver to Seattle for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 3,145,932 searches. Data last updated March 19, 2024.
Book one of these great deals on flights from Denver to Seattle. Users should be sure to double check the price, date, and time of their last-minute flight.
Wed 3/276:49 pmDEN - SEA
Nonstop3h 05mFrontier
Thu 3/289:09 pmSEA - DEN
Nonstop2h 47mFrontier
Deal found 3/18$86
Tue 3/267:07 pmDEN - SEA
Nonstop3h 05mFrontier
Tue 4/210:12 pmSEA - DEN
Nonstop2h 44mFrontier
Deal found 3/18$87
Sat 3/305:17 pmDEN - SEA
Nonstop3h 05mFrontier
Tue 4/210:12 pmSEA - DEN
Nonstop2h 44mFrontier
Deal found 3/18$97
Tue 3/267:07 pmDEN - SEA
Nonstop3h 05mFrontier
Wed 4/39:54 pmSEA - DEN
Nonstop2h 47mFrontier
Deal found 3/18$116
Mon 3/255:50 pmDEN - SEA
Nonstop3h 05mFrontier
Tue 4/210:12 pmSEA - DEN
Nonstop2h 44mFrontier
Deal found 3/18$118
Wed 3/276:49 pmDEN - SEA
Nonstop3h 05mFrontier
Sat 3/308:12 pmSEA - DEN
Nonstop2h 47mFrontier
Deal found 3/18$119
Tue 3/267:07 pmDEN - SEA
Nonstop3h 05mFrontier
Sat 3/308:12 pmSEA - DEN
Nonstop2h 47mFrontier
Deal found 3/18$120
Tue 3/267:07 pmDEN - SEA
Nonstop3h 05mFrontier
Thu 3/289:09 pmSEA - DEN
Nonstop2h 47mFrontier
Deal found 3/18$121
Tue 3/267:07 pmDEN - SEA
Nonstop3h 05mFrontier
Thu 3/289:09 pmSEA - DEN
Nonstop2h 47mFrontier
Deal found 3/18$125

One-way flights to Seattle from Denver

Search for one-way flight options from Denver to Seattle. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 3,145,932 searches. Data last updated March 19, 2024.
Users in need of a one-way flight from Denver to Seattle can choose from these deals. Users can also find round-trip Denver to Seattle flights by using the search form above.
Sat 4/205:56 pmDEN - SEA
Nonstop3h 10mFrontier
Deal found 3/18$34
Wed 4/172:49 pmDEN - SEA
Nonstop3h 09mFrontier
Deal found 3/18$36
Tue 6/46:35 amDEN - SEA
Nonstop3h 02mFrontier
Deal found 3/17$39
Wed 8/287:08 pmDEN - SEA
Nonstop3h 03mFrontier
Deal found 3/18$40
Tue 4/236:25 pmDEN - SEA
Nonstop3h 10mFrontier
Deal found 3/18$44
Sat 5/116:22 pmDEN - SEA
Nonstop3h 10mFrontier
Deal found 3/18$45
Wed 5/12:49 pmDEN - SEA
Nonstop3h 09mFrontier
Deal found 3/18$46
Fri 3/297:11 pmDEN - SEA
Nonstop3h 05mFrontier
Deal found 3/18$48
Tue 4/97:07 pmDEN - SEA
Nonstop3h 05mFrontier
Deal found 3/18$49

Find flights from Denver to Seattle within your budget

Customize your flight search to find flights from Denver to Seattle 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, Cheapflights users made 3,145,932 searches. Data last updated March 19, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$63 - $187

Route

Depart

Return

Price

Denver IntlSeattle/Tacoma Intl

DEN - SEA

DENSEA

Denver Intl

Sat 4/20

Nonstop3h 10m

Seattle/Tacoma Intl

Wed 4/24

Nonstop2h 48m

$63

Denver IntlSeattle/Tacoma Intl

DEN - SEA

DENSEA

Denver Intl

Wed 4/17

Nonstop3h 09m

Seattle/Tacoma Intl

Wed 4/24

Nonstop2h 48m

$65

Denver IntlSeattle/Tacoma Intl

DEN - SEA

DENSEA

Denver Intl

Sat 4/20

Nonstop3h 10m

Seattle/Tacoma Intl

Sat 4/27

Nonstop2h 50m

$68

Denver IntlSeattle/Tacoma Intl

DEN - SEA

DENSEA

Denver Intl

Wed 4/17

Nonstop3h 09m

Seattle/Tacoma Intl

Sat 4/27

Nonstop2h 47m

$70

Denver IntlSeattle/Tacoma Intl

DEN - SEA

DENSEA

Denver Intl

Sat 4/20

Nonstop3h 10m

Seattle/Tacoma Intl

Sat 4/20

Nonstop2h 50m

$71

Denver IntlSeattle/Tacoma Intl

DEN - SEA

DENSEA

Denver Intl

Fri 4/19

Nonstop3h 09m

Seattle/Tacoma Intl

Tue 4/23

Nonstop2h 50m

$73

Denver IntlSeattle/Tacoma Intl

DEN - SEA

DENSEA

Denver Intl

Tue 4/16

Nonstop2h 57m

Seattle/Tacoma Intl

Wed 4/24

Nonstop2h 48m

$103

Denver IntlSeattle/Tacoma Intl

DEN - SEA

DENSEA

Denver Intl

Thu 4/11

Nonstop3h 13m

Seattle/Tacoma Intl

Mon 4/15

Nonstop2h 40m

$137

Denver IntlSeattle/Tacoma Intl

DEN - SEA

DENSEA

Denver Intl

Thu 5/23

Nonstop3h 00m

Seattle/Tacoma Intl

Wed 5/29

Nonstop2h 43m

$187

Flights are sorted by cheapest first

Deals found on 3/18

When is the best time to book a flight from Denver to Seattle?

Use this chart to determine the optimal time to book a round-trip flight from Denver to Seattle. Price data was last updated on January 28, 2024.
To ensure you get the cheapest price possible for a flight from Denver to Seattle, you should look to book at least 30 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
Search Deals

When is the cheapest time to fly from Denver to Seattle?

Use this chart to determine the cheapest time to fly round-trip from Denver to Seattle. Price data was last updated on March 10, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Denver to Seattle flight should consider departing on Monday at noon when fares are most often at their lowest. Friday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

Average price of flights to Seattle by month

Plan your trip from Denver to Seattle by taking into account the cheapest months to travel. The average price of a one-way flight from Denver to Seattle is currently $42 while a round-trip flight costs $93. Price data was last updated on March 10, 2024.

Currently, December is the cheapest month in which you can book a flight from Denver to Seattle (average of $243). Flying from Denver to Seattle in June is currently the most expensive (average of $418). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

January

$247

February

$254

March

$287

April

$298

May

$334

June

$418

July

$408

August

$344

September

$278

October

$257

November

$258

December

$243

Temperature and rainfall in Seattle by month

Plan your trip to Seattle by taking into account the average temperature and rainfall totals by month.

SEA

Temperature

41 - 66.2 °F

Reviews of airlines servicing Seattle

Get insights into the airlines that provide service to Seattle. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Seattle. Reviews last updated March 19, 2024.
Read through reviews of airlines operating flights from Denver to Seattle, such as Frontier, Delta and Alaska Airlines. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.1
Very good
9,150 reviews

Boarding

8.2

Overall

8.1

Entertainment

7.4

Comfort

7.9

Food

7.3

Crew

8.6

Reviews

1 / 10

There were no major issues. A bit of delay but it was understandable. It was a good experience otherwise.

8.1
Very good
9,150 reviews
8.1
Very good
9,150 reviews

Boarding

8.2

Overall

8.1

Entertainment

7.4

Comfort

7.9

Food

7.3

Crew

8.6

Reviews

1 / 10

There were no major issues. A bit of delay but it was understandable. It was a good experience otherwise.

8.1
Very good
11,536 reviews
8.1
Very good
9,150 reviews

Boarding

8.2

Overall

8.1

Entertainment

7.4

Comfort

7.9

Food

7.3

Crew

8.6

Reviews

1 / 10

There were no major issues. A bit of delay but it was understandable. It was a good experience otherwise.

7.4
Good
11,602 reviews
8.1
Very good
9,150 reviews

Boarding

8.2

Overall

8.1

Entertainment

7.4

Comfort

7.9

Food

7.3

Crew

8.6

Reviews

1 / 10

There were no major issues. A bit of delay but it was understandable. It was a good experience otherwise.

7.3
Good
15,298 reviews
8.1
Very good
9,150 reviews

Boarding

8.2

Overall

8.1

Entertainment

7.4

Comfort

7.9

Food

7.3

Crew

8.6

Reviews

1 / 10

There were no major issues. A bit of delay but it was understandable. It was a good experience otherwise.

7.3
Good
704 reviews
8.1
Very good
9,150 reviews

Boarding

8.2

Overall

8.1

Entertainment

7.4

Comfort

7.9

Food

7.3

Crew

8.6

Reviews

1 / 10

There were no major issues. A bit of delay but it was understandable. It was a good experience otherwise.

Related info for your journey

Find useful and relevant information for your journey from Denver to Seattle. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What airports do I use to fly from Denver to Seattle?

    You will need to book a flight from Denver Intl to Seattle/Tacoma Intl if you want to fly from Denver to Seattle. At least 7 different airlines have flights from Denver Intl (DEN) to Seattle/Tacoma Intl (SEA) on a regular basis. There are 29 flights to Seattle from the Denver airport per day. If you manage to book one that is nonstop, then you can expect the flight time from DEN to SEA to be around 2h 59m.

  • Can I find flights from Denver to Seattle for under $100 on Cheapflights?

    Yes, there are multiple flights from Denver to Seattle for under $100. The cheapest flight booked recently is on Frontier for just $63, but on average you can expect to pay $80.

  • Are there nonstop flights from Denver to Seattle for under $100 on Cheapflights?

    Cheapflights has at least 20 direct flights from Denver to Seattle under $100. A good price for a nonstop flight from Denver to Seattle is less than $80.

  • Are there last-minute flights available from Denver to Seattle for under $100?

    There are currently 20+ open flights from Denver to Seattle within the next 7 days for less than $100.

  • What days are nonstop flights available from Denver to Seattle?

    Nonstop flights can be found on the following days: Sunday, Tuesday, Wednesday, Thursday, Friday, Saturday.

  • How popular is this Denver to Seattle flight route?

  • How many flights depart from Denver to Seattle on average per day?

    22 flight departures from Denver to Seattle per day on average.
    Early Morning (Midnight to 6am) - 27% of flight departures
    Morning (6am - Noon) - 36% of flight departures
    Afternoon (Noon - 6pm) - 5% of flight departures
    Evening (6pm - Midnight) - 32% of flight departures

  • How long is the flight from Denver to Seattle?

    Airlines like Frontier fly from Denver to Seattle in about 3h 10m. The time it takes to get you to your destination is usually consistent. Airlines will cover a distance of 1028 mi. Generally, flights for this route are nonstop.

  • What is the cheapest airline to fly from Denver to Seattle round-trip?

    Frontier, at $63, was found to be the cheapest airline from Denver to Seattle.. Users have found that Frontier is 69% cheaper than the other options available to this destination.

  • What are the cheapest airlines to fly from Denver to Seattle one-way?

    For one-way options, check prices for Frontier. According to our data, you can fly for as low as $34. Users have also found prices from $65 and $69 on Alaska Airlines and Delta, respectively.

  • What are the most popular airlines that fly from Denver to Seattle?

  • What are the most reliable airlines from Denver to Seattle?

    Before booking your flight to Seattle from Denver, check out the most reliable airlines to get you to your destination on time: Sun Country Air (100%), Air France (91%), Condor( 90%).

  • What are the cheapest flights from Denver to Seattle?

    Looking at all options, your cheapest flight can be booked for $44. While the most popular route (Denver Intl - Seattle/Tacoma Intl) can be booked for $73 on average our data indicates $739 when flying from Denver to Seattle.

  • What does DEN to SEA mean?

    This is defined as Denver Intl Airport (DEN) and Seattle/Tacoma Intl Airport (SEA). Codes like Seattle/Tacoma Intl Airport are often used to just call airports uniquely.

See more FAQs

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.

Fly from Denver to Seattle on these airlines
Choose from the following airlines for your flight from Denver to Seattle. Flights are based on user searches made on Cheapflights and were last updated on March 19, 2024.

Top 6 airlines flying from Denver to Seattle

Discover the top 6 airlines that operate flights from Denver to Seattle. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 3,145,932 searches. Data last updated March 19, 2024.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$43Average$140FlexibilityNo cancel feeOn-time65%
Search Spirit Airlines flights
FrontierCheapest$44Average$128FlexibilityNo cancel feeOn-time62%
Search Frontier flights
DeltaCheapest$79Average$218FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Alaska AirlinesCheapest$89Average$238FlexibilityNo cancel feeOn-time75%
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United AirlinesCheapest$104Average$287FlexibilityNo cancel feeOn-time69%
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American AirlinesCheapest$269Average$418FlexibilityNo cancel feeOn-time71%
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Search flights from Denver to Seattle by cabin class

Find flights from Denver to Seattle, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Hourly flight availability from Denver to Seattle

Find hourly flight availability from Denver to Seattle. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated March 19, 2024.
28%of flight departuresEarly morningMidnight to 6 am
33%of flight departuresMorning6 am to noon
31%of flight departuresAfternoonNoon to 6 pm
8%of flight departuresEvening6 pm to midnight
Midnight
6 AM
Noon
6 PM

Weekly flight availability from Denver to Seattle

Explore weekly flight availability from Denver to Seattle. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated March 19, 2024.
Sunday27daily flights
Monday37daily flights
Tuesday28daily flights
Wednesday28daily flights
Thursday25daily flights
Friday36daily flights
Saturday26daily flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Denver to Seattle?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Seattle from Denver today with Cheapflights!

Why should you use Cheapflights to find cheap flight tickets from Denver to Seattle?

Cheapflights helps you find that perfect flight to Seattle from Denver by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Denver to Seattle with no change fees?

Need flexible booking options for your flight to Seattle from Denver? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Denver to Seattle become cheaper?

Yes, Cheapflights offers price alerts on Denver to Seattle flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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