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

Sat 5/1111:45 amDEN - SEA

Nonstop3h 00mFrontier

Wed 5/159:50 pmSEA - DEN

Nonstop2h 50mFrontier

Deal found 4/27$71

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Sat 5/1111:45 amDEN - SEA

Nonstop3h 00mFrontier

Tue 5/218:14 pmSEA - DEN

Nonstop3h 01mFrontier

Deal found 4/29$72

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Sat 5/257:20 amDEN - SEA

Nonstop3h 02mFrontier

Sat 6/110:08 pmSEA - DEN

Nonstop2h 53mFrontier

Deal found 4/28$77

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Wed 8/75:20 amDEN - SEA

Nonstop2h 59mFrontier

Sat 8/1710:08 pmSEA - DEN

Nonstop2h 43mFrontier

Deal found 4/28$78

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Wed 8/75:20 amDEN - SEA

Nonstop2h 59mFrontier

Tue 8/209:37 amSEA - DEN

Nonstop2h 48mFrontier

Deal found 4/28$80

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Thu 5/97:05 pmDEN - SEA

Nonstop3h 09mFrontier

Sat 5/119:32 pmSEA - DEN

Nonstop2h 50mFrontier

Deal found 4/28$81

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Thu 5/166:25 amDEN - SEA

Nonstop3h 05mFrontier

Tue 5/218:14 pmSEA - DEN

Nonstop3h 01mFrontier

Deal found 4/28$82

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Thu 5/97:05 pmDEN - SEA

Nonstop3h 09mFrontier

Wed 5/159:50 pmSEA - DEN

Nonstop2h 50mFrontier

Deal found 4/28$84

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Tue 6/115:10 pmDEN - SEA

Nonstop3h 02mFrontier

Sat 6/1510:34 pmSEA - DEN

Nonstop2h 53mFrontier

Deal found 4/28$85

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• One of the most popular airlines traveling from Denver to Seattle is Frontier. Flights on this route from Frontier typically cost $207.81 RT, a price that is 34% more expensive than the average Denver to Seattle flight. The cheapest flight found was $79 RT. When traveling from Denver to Seattle on Frontier, the most popular airport to depart from is Denver Intl Airport and the most popular airport to arrive at is Seattle/Tacoma Intl Airport. When flying from Denver to Seattle, Frontier flights are 11% more popular than any other airline flying that same route.

Sat 5/256:05 pmDEN - SEA

1 stop14h 35mSun Country Air

Sat 6/19:10 amSEA - DEN

1 stop6h 45mSun Country Air

Deal found 4/28$209

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Fri 5/247:30 pmDEN - SEA

1 stop13h 10mSun Country Air

Sun 5/262:50 pmSEA - DEN

1 stop17h 10mSun Country Air

Deal found 4/29$222

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Thu 6/67:25 pmDEN - SEA

1 stop13h 43mSun Country Air

Sun 6/911:59 pmSEA - DEN

1 stop16h 06mSun Country Air

Deal found 4/28$229

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Fri 6/145:40 pmDEN - SEA

1 stop16h 22mSun Country Air

Sun 6/1611:59 pmSEA - DEN

1 stop8h 26mSun Country Air

Deal found 4/28$231

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Thu 5/96:20 pmDEN - SEA

1 stop22h 50mSun Country Air

Sat 5/116:15 pmSEA - DEN

1 stop22h 30mSun Country Air

Deal found 4/28$427

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Sun 5/56:50 pmDEN - SEA

1 stop22h 55mSun Country Air

Sat 5/116:15 pmSEA - DEN

1 stop22h 30mSun Country Air

Deal found 4/28$525

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• Sun Country Air is one of the most popular airlines used for those traveling from Denver to Seattle. Flights from Sun Country Air traveling this route typically cost $228.81 RT. This price is typically 92% cheaper than other airlines that offer Denver to Seattle flights. When booking this route, the cheapest RT price found was $89. The most popular departure airport in Denver when flying to Seattle is Denver Intl Airport. The most popular airport to fly into when visiting Seattle is Seattle/Tacoma Intl Airport. When flying from Denver to Seattle, Sun Country Air flights are 11% more popular than any other airline flying that same route.

Currently, December is the cheapest month in which you can book a flight from Denver to Seattle (average of $244). Flying from Denver to Seattle in July is currently the most expensive (average of $408). 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.

• What airport do you fly into for flights to Denver from Seattle?

  You will be flying to Seattle/Tacoma Intl from Denver Intl when you book a flight to Seattle from Denver. There are 29 flights to Seattle from Denver Intl each day offered by 7 airlines. On average, any airline offering flights to Seattle/Tacoma Intl (SEA) from Denver Intl (DEN) takes 2h 57m nonstop.

• What is a great deal on a flight from Denver to Seattle?

  On Priceline, users have found cheap flights from Denver to Seattle for as low as $100. The average price found was around $86, however the best flight deal found in the last week was $71 (a Frontier flight from Denver to Seattle).

• Are there direct flights from Denver to Seattle?

  Yes. Over 20 direct flights from Denver to Seattle were found in the last week, with better deals found between $100 and $86.

• How much does a last minute flight from Denver to Seattle cost?

  $100 is the best price for last minute Denver to Seattle flights. Priceline has found over 20 Denver - Seattle flights departing in the next week.

• When are nonstop flights from Denver to Seattle available?

  You can find a nonstop flight on these days: Monday, Tuesday, Wednesday, Thursday, Friday, Saturday.

• How many flights from Denver to Seattle are there per day?

  On average 32 flights depart from Denver to Seattle per day.
  Early Morning (Midnight to 6am) - 16% of flight departures
  Morning (6am - Noon) - 25% of flight departures
  Afternoon (Noon - 6pm) - 16% of flight departures
  Evening (6pm - Midnight) - 44% of flight departures

• How long is the flight from Denver to Seattle?

  3h is the fastest flight time between Seattle and Denver. Frontier and CitizenPlane provide the fastest flights for this route. You can anticipate the flight duration to be fairly consistent. At the moment, Frontier offers the quickest flight for as low as $71 per ticket. There are 1028 mi between Denver and Seattle, though your travel time may vary depending on whether you have a nonstop or multi-stop flight. Flights for this route tend to be nonstop.

• What are the cheapest airlines offering flights to Seattle from Denver round-trip?

  For $71 per flight ticket, Frontier is the cheapest airline offering routes from Denver to Seattle. Another airline flying to Seattle would be CitizenPlane. Frontier usually offers 65% cheaper flights than the other airlines offering flights to Seattle.

• Which airlines flying from Denver to Seattle one-way offer the cheapest flights?

  One-way flights from Denver to Seattle were recently found for as low as $34 with Frontier. Other low-cost airlines include Delta (with prices starting at $89), and Sun Country Air (with prices starting at $94 one-way.

• What airlines fly from Denver to Seattle?

  Most Denver - Seattle flights are operated by Undisclosed Carrier, American Airlines or Alaska Airlines.

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

  You are less likely to be delayed flying from Denver to Seattle with an airline that arrives at their scheduled time most often: SkyWest Airlines, Sun Country Air, and China Eastern arrive on time more than 100% of the time.

• What is best Denver to Seattle flight price on Priceline?

  A cheap flight from Denver to Seattle starts at $48, with prices rising to an average of $527. Anything below $527 is usually good deal. The most popular route (Denver Intl - Seattle/Tacoma Intl) costs $92 on average.

• What is DEN to SEA?

  They are IATA (International Air Transport Association) codes! Airlines use these IATA codes to signify the airport in flight routes. A DEN to SEA flight simply means the flight departs from Denver Intl Airport to Seattle/Tacoma Intl Airport.

• Can I discover flight deals from Denver to Seattle that include extra baggage allowance?

  Baggage allowance for Denver to Seattle flights depends on the airline and fare type. Once you've entered your flight details, you can see the baggage policies for each deal in the search results. Some deals might include extra baggage allowance.

• Can I search for flight deals from Denver to Seattle with specific airlines?

  Absolutely! On Priceline, you can find and filter for flight deals based on your preferred airline. Simply search with your preferred dates, origin, and destination, and use the filters to see flights from the airlines you prefer.

• Can I score deals for flights from Denver to Seattle that bundle with hotel bookings?

  Absolutely. Besides flight deals from Denver to Seattle, Priceline also offers vacation packages that bundle flights and hotel stays.

• How do I find direct flights from Denver to Seattle?

  To find direct flights from Denver to Seattle, enter your preferred dates, origin, and destination, and then apply the non-stop filter on the search result page to see all the direct flights available for that route.

• Can I find deals for business class flights from Denver to Seattle?

  Definitely! Priceline offers flight deals from Denver to Seattle sorted by cabin class. You can browse deals or filter by cabin class on the search result page after making a flight search.

• Can I find flight deals from Denver to Seattle that allow pets onboard?

  While Priceline mainly focuses on finding users the best flight deals, many airlines do allow pets. After picking a Denver to Seattle flight deal, you can find more info about the airline's pet policy on their official website or by getting in touch with the airline directly. Keep in mind, additional fees and restrictions might apply.

• Can I locate any last-minute flight deals from Denver to Seattle?

  Absolutely! Priceline offers last-minute deals on flights from Denver to Seattle. Do keep in mind, these bargains pop up often but they might not always be available. For the latest information on deals, we recommend frequent visits or subscribing to our price alerts.

• How frequently are the flight deals from Denver to Seattle updated?

  The Denver to Seattle flight deals you see on this page were last updated on 4/29.