Journey information
Overview: Denver, CO to Seattle, WA flight
Flights from Denver, CO to Seattle, WA depart on average 51 times per day, taking around 2h 59m. Cheap flight tickets for this journey start at $31 (€25) if you book in advance.
There are 7 flights per day. The earliest flight runs at 00:05, the last at 23:58. The fastest flight covers the 1019 miles (1641 km) distance in 3h 4m. June is the cheapest month to fly.
Distance 1019 miles (1641 km) |
Average flight duration 2h 59m |
Cheapest ticket price $31 (€25) |
Flights per day 51 |
Direct flights 7 |
Fastest flight 3h 4m |
First flight 00:05 |
Last flight 23:58 |
Cheapest month Jun |
Cheapest day Mon |
High season Jul - Sep |
Low season Jan - Mar |
Busiest day Tue |
Least busy day Sun |
Best day to book ahead 14 days |
The cheapest and fastest flights from Denver, CO to Seattle, WA
Cheapest price
$94
Average price
$161
Fastest journey
3 h 7 m
Average duration
6 h 38 m
Flights per day
5
Distance
1641 km
The best way to find a cheap flight ticket from Denver, CO to Seattle, WA is to book your journey as far in advance as possible and to avoid traveling at rush hour.
The average ticket from Denver, CO to Seattle, WA will cost around $161 if you buy it on the day, but the cheapest tickets can be found for only $94.
Of the 5 flights that leave Denver, CO for Seattle, WA onSun, Mar 22, 5 travel direct so it’s quite easy to avoid journeys where you’ll have to change along the way.
On Sun, Mar 22 the direct flights cover the 1641 km distance in an average of 6 h 38 m but if you time it right, some flights will get you there in just 3 h 7 m .
On Sun, Mar 22 the longest flights will take 11 h 36 m and usually involve a change or two along the way, but you might be able to save a few pennies if you’re on a budget.










Travel Information
Compare bus, train, and flight for Denver, CO to Seattle, WA
Omio recommends booking the train as it is the most popular option from Denver, CO to Seattle, WA among Omio's users. If you are prioritising price take the flight with prices starting from $31. For those with little time consider booking a flight which can get you there in 2h 59m. The ticket price range depends on the travel mode: a flight costs an average of $31, and a train costs an average of $218.
Distance: 1019 miles (1641 km)
Compare flight with
| Flight | Most popular Train | Bus |
|---|---|---|
$165 Average price Cheapest | $907 Average price | $286 Average price |
5h 59m Average total duration Fastest 2h 59m Onboard + 3h 0m Additional time* | 51h 50m Average total duration 51h 20m Onboard + 30m Additional time* | 33h 40m Average total duration 33h 10m Onboard + 30m Additional time* |
![]() Most popular airline | ![]() Most popular train company | ![]() Most popular bus company |
Direct Options | Direct Options | Direct Options |
Live departures
Denver, CO to Seattle, WA flight times
The table below shows live departures for Denver, CO to Seattle, WA flights for today, Friday, March 20. You can also manually refresh the results below to see updated flight journeys.
| Provider | Departs | Duration | Arrives | Transfers | Tickets |
|---|---|---|---|---|---|
UA320 · UA366 | 11:00 AM Denver International Airport | 9h07 | 8:07 PM Seattle-Tacoma International Airport | 1 transfer | |
AA1406 · AA757 | 11:00 AM Denver International Airport | 8h54 | 7:54 PM Seattle-Tacoma International Airport | 1 transfer | |
AA1406 · AA727 | 11:00 AM Denver International Airport | 11h57 | 10:57 PM Seattle-Tacoma International Airport | 1 transfer | |
F92015 · F92407 | 12:00 PM Denver International Airport | 12h39 | 12:39 AM Seattle-Tacoma International Airport | 1 transfer | |
AA3285 · AA727 | 12:00 PM Denver International Airport | 10h57 | 10:57 PM Seattle-Tacoma International Airport | 1 transfer | |
AA3285 · AA757 | 12:00 PM Denver International Airport | 7h54 | 7:54 PM Seattle-Tacoma International Airport | 1 transfer | |
F93861 · F94987 | 12:11 PM Denver International Airport | 15h10 | 3:21 AM Seattle-Tacoma International Airport | 1 transfer | |
UA1481 · UA2256 · UA1498 | 1:45 PM Denver International Airport | 9h29 | 11:14 PM Seattle-Tacoma International Airport | 2 transfers | |
UA1481 · UA5341 · UA2279 | 1:45 PM Denver International Airport | 11h47 | 1:32 AM Seattle-Tacoma International Airport | 2 transfers | |
UA2271 | 1:45 PM Denver International Airport | 3h04 | 4:49 PM Seattle-Tacoma International Airport | 0 transfersDirect | |
UA1101 · UA1303 | 1:45 PM Denver International Airport | 14h11 | 3:56 AM Seattle-Tacoma International Airport | 1 transfer | |
UA1481 · UA5341 · UA1498 | 1:45 PM Denver International Airport | 9h29 | 11:14 PM Seattle-Tacoma International Airport | 2 transfers | |
AA1404 · AA3235 | 1:52 PM Denver International Airport | 7h00 | 8:52 PM Seattle-Tacoma International Airport | 1 transfer | |
AA1404+ AA4291 | 1:52 PM Denver International Airport | 11h00 | 12:52 AM Seattle-Tacoma International Airport | 1 transfer | |
UA1638 · UA5873 | 1:55 PM Denver International Airport | 8h55 | 10:50 PM Seattle-Tacoma International Airport | 1 transfer | |
AA852 · AA1178 | 2:00 PM Denver International Airport | 12h29 | 2:29 AM Seattle-Tacoma International Airport | 1 transfer | |
UA497 · UA1507 · UA2279 | 2:00 PM Denver International Airport | 11h32 | 1:32 AM Seattle-Tacoma International Airport | 2 transfers | |
AA852 · AA727 | 2:00 PM Denver International Airport | 8h57 | 10:57 PM Seattle-Tacoma International Airport | 1 transfer | |
F91765 · F92407 | 2:00 PM Denver International Airport | 10h39 | 12:39 AM Seattle-Tacoma International Airport | 1 transfer | |
F92341 · F91177 | 3:00 PM Denver International Airport | 9h09 | 12:09 AM Seattle-Tacoma International Airport | 1 transfer | |
F94545 | 3:10 PM Denver International Airport | 3h09 | 6:19 PM Seattle-Tacoma International Airport | 0 transfersDirect | |
AA1523 · AA727 | 3:10 PM Denver International Airport | 7h47 | 10:57 PM Seattle-Tacoma International Airport | 1 transfer | |
AA1523 · AA1241 | 3:10 PM Denver International Airport | 13h06 | 4:16 AM Seattle-Tacoma International Airport | 1 transfer | |
F93219 · F94987 | 3:10 PM Denver International Airport | 12h11 | 3:21 AM Seattle-Tacoma International Airport | 1 transfer | |
AA1523 · AA1178 | 3:10 PM Denver International Airport | 11h19 | 2:29 AM Seattle-Tacoma International Airport | 1 transfer | |
UA4756 · UA1507 · UA2279 | 3:47 PM Denver International Airport | 9h45 | 1:32 AM Seattle-Tacoma International Airport | 2 transfers | |
UA2381 · UA2044 | 3:50 PM Denver International Airport | 14h03 | 5:53 AM Seattle-Tacoma International Airport | 1 transfer | |
UA1506 · UA1498 | 3:51 PM Denver International Airport | 7h23 | 11:14 PM Seattle-Tacoma International Airport | 1 transfer | |
F91993 · F92407 | 4:01 PM Denver International Airport | 8h38 | 12:39 AM Seattle-Tacoma International Airport | 1 transfer | |
UA326 · UA1303 | 4:20 PM Denver International Airport | 11h36 | 3:56 AM Seattle-Tacoma International Airport | 1 transfer | |
AA2357 · AA1178 | 4:25 PM Denver International Airport | 10h04 | 2:29 AM Seattle-Tacoma International Airport | 1 transfer | |
AA2357 · AA1241 | 4:25 PM Denver International Airport | 11h51 | 4:16 AM Seattle-Tacoma International Airport | 1 transfer | |
AA2357 · AA2647 | 4:25 PM Denver International Airport | 15h30 | 7:55 AM Seattle-Tacoma International Airport | 1 transfer | |
UA2865 · UA1801 | 5:15 PM Denver International Airport | 8h48 | 2:03 AM Seattle-Tacoma International Airport | 1 transfer | |
UA687 · UA1303 | 5:22 PM Denver International Airport | 10h34 | 3:56 AM Seattle-Tacoma International Airport | 1 transfer | |
UA1424 | 5:42 PM Denver International Airport | 3h04 | 8:46 PM Seattle-Tacoma International Airport | 0 transfersDirect | |
UA526 · UA1799 · UA2279 | 5:45 PM Denver International Airport | 7h47 | 1:32 AM Seattle-Tacoma International Airport | 2 transfers | |
UA1963 · UA5484 · UA5408 | 5:45 PM Denver International Airport | 12h31 | 6:16 AM Seattle-Tacoma International Airport | 2 transfers | |
UA1233 · UA2044 | 5:47 PM Denver International Airport | 12h06 | 5:53 AM Seattle-Tacoma International Airport | 1 transfer | |
UA1599 · UA683 | 5:50 PM Denver International Airport | 8h35 | 2:25 AM Seattle-Tacoma International Airport | 1 transfer | |
AA1414+ AA3856 | 6:26 PM Denver International Airport | 9h02 | 3:28 AM Seattle-Tacoma International Airport | 1 transfer | |
AA1414+ AA4291 | 6:26 PM Denver International Airport | 6h26 | 12:52 AM Seattle-Tacoma International Airport | 1 transfer | |
AA2579 · AA1178 | 6:33 PM Denver International Airport | 7h56 | 2:29 AM Seattle-Tacoma International Airport | 1 transfer | |
UA1283 · UA2044 | 6:33 PM Denver International Airport | 11h20 | 5:53 AM Seattle-Tacoma International Airport | 1 transfer | |
AA6429 · AA6516 | 7:00 PM Denver International Airport | 10h42 | 5:42 AM Seattle-Tacoma International Airport | 1 transfer | |
AA6429 · AA6481 | 7:00 PM Denver International Airport | 6h53 | 1:53 AM Seattle-Tacoma International Airport | 1 transfer | |
UA1812 · UA2279 | 7:25 PM Denver International Airport | 6h07 | 1:32 AM Seattle-Tacoma International Airport | 1 transfer | |
UA631 · UA5619 · UA5408 | 7:25 PM Denver International Airport | 10h51 | 6:16 AM Seattle-Tacoma International Airport | 2 transfers | |
UA617 · UA2211 | 7:25 PM Denver International Airport | 10h20 | 5:45 AM Seattle-Tacoma International Airport | 1 transfer | |
UA5572 · UA5484 · UA5408 | 7:51 PM Denver International Airport | 10h25 | 6:16 AM Seattle-Tacoma International Airport | 2 transfers | |
AA1762+ AA3856 | 8:14 PM Denver International Airport | 7h14 | 3:28 AM Seattle-Tacoma International Airport | 1 transfer | |
AA420 · AA1241 | 8:48 PM Denver International Airport | 7h28 | 4:16 AM Seattle-Tacoma International Airport | 1 transfer | |
AA420 · AA2647 | 8:48 PM Denver International Airport | 11h07 | 7:55 AM Seattle-Tacoma International Airport | 1 transfer | |
UA1023 · UA2211 | 9:10 PM Denver International Airport | 8h35 | 5:45 AM Seattle-Tacoma International Airport | 1 transfer | |
UA489 · UA2456 | 9:35 PM Denver International Airport | 8h24 | 5:59 AM Seattle-Tacoma International Airport | 1 transfer | |
UA2633 · UA1434 | 9:36 PM Denver International Airport | 6h22 | 3:58 AM Seattle-Tacoma International Airport | 1 transfer | |
UA1297 · UA2330 · UA5579 | 10:00 PM Denver International Airport | 9h59 | 7:59 AM Seattle-Tacoma International Airport | 2 transfers | |
UA2013 | 10:04 PM Denver International Airport | 3h00 | 1:04 AM Seattle-Tacoma International Airport | 0 transfersDirect | |
UA1195 · UA5408 | 10:10 PM Denver International Airport | 8h06 | 6:16 AM Seattle-Tacoma International Airport | 1 transfer | |
AA1832 · AA3075 | 10:43 PM Denver International Airport | 7h26 | 6:09 AM Seattle-Tacoma International Airport | 1 transfer | |
UA5762 · UA5457 · UA5579 | 11:29 PM Denver International Airport | 8h30 | 7:59 AM Seattle-Tacoma International Airport | 2 transfers | |
UA2240 · UA5408 | 11:33 PM Denver International Airport | 6h43 | 6:16 AM Seattle-Tacoma International Airport | 1 transfer | |
UA1007 | 11:47 PM Denver International Airport | 6h41 | 6:28 AM Seattle-Tacoma International Airport | 0 transfersDirect | |
| Saturday, March 21 | |||||
AA1322 · AA2647 | 12:40 AM Denver International Airport | 7h15 | 7:55 AM Seattle-Tacoma International Airport | 1 transfer | |
UA486 | 1:14 AM Denver International Airport | 3h00 | 4:14 AM Seattle-Tacoma International Airport | 0 transfersDirect | |
UA2651 | 2:54 AM Denver International Airport | 3h05 | 5:59 AM Seattle-Tacoma International Airport | 0 transfersDirect | |
![]() | 3:12 AM Denver, CO | 3h07 | 6:19 AM Seattle, WA | 0 transfersDirect | |
F94345 · F91177 | 4:29 AM Denver International Airport | 19h40 | 12:09 AM Seattle-Tacoma International Airport | 1 transfer | |
![]() | 5:37 AM Denver, CO | 12h34 | 6:11 PM Seattle, WA | 0 transfersDirect | |
AA3299 · AA1158 | 5:59 AM Denver International Airport | 13h52 | 7:51 PM Seattle-Tacoma International Airport | 1 transfer | |
Find all the dates and times for this journey
Compare prices and tickets Denver, CO to Seattle, WA by bus, train, or flight
Compare bus, train, and flight prices over the next three weeks. See the best deals at a glance, find the lowest fares, and choose the option that fits your budget.
Mar 21
Mar 22
Mar 23
Mar 24
Mar 25
Mar 26
Mar 27
Why should you book Denver, CO to Seattle, WA flights with Omio?
Why book with Omio vs United?
- Compare with other providers: On Omio, you can not only buy tickets for United, but also compare tickets for the likes of Alaska Airlines or Frontier Airlines to find the best option for your trip from Denver, CO to Seattle, WA.
- Designed for International Travelers: Omio is in your language including 24/7 customer service and offers multiple payment options, including PayPal, credit cards, and bank transfer, in your preferred currency.
- Compare all your options: Omio allows you to compare United with all available travel options, which are bus, train and flight to ensure you get the best deal for traveling from Denver, CO to Seattle, WA.
Why book with Omio over Kayak, Skyscanner or Trip?
- Compare with other providers: On Omio, you can also compare tickets for the likes of Alaska Airlines or Frontier Airlines to find the best option for your trip from Denver, CO to Seattle, WA.
- Multiple modes of transport: Omio allows you to compare travel options including bus, train and flight to find the ideal travel option from Denver, CO to Seattle, WA.
Airlines: United, Alaska Airlines, Frontier Airlines from Denver, CO to Seattle, WAFind the best flights between Denver, CO to Seattle, WA with Omio's travel partners United, Alaska Airlines, Frontier Airlines from $31 (€25). We can find you the best deals, schedules and tickets when comparing and booking the best trip.
United
Alaska Airlines
Frontier Airlines
FAQs: Denver, CO to Seattle, WA Flight
Find answers to the most common questions about traveling from Denver, CO to Seattle, WA by flight. From journey times and ticket prices to direct connections, first and last departures, and even whether the route is scenic, our FAQs cover everything you need to plan your trip. Whether you’re looking for the fastest flight, the cheapest option, or tips for making the most of your visit at Seattle, WA, this guide helps you travel smarter and with confidence.

- Seafair, a summer festival featuring hydroplane races, parades, and cultural events
- Seattle International Film Festival, one of the largest film festivals in the U.S. showcasing independent films
- Bumbershoot, an annual music and arts festival held over Labor Day weekend
- Seattle Pride Parade, a celebration of LGBTQ+ pride with a colorful parade through downtown.
- Independence Day, fireworks and celebrations marking the nation's birthday
- Thanksgiving, a time for family gatherings and seasonal festivities
- Christmas, holiday lights and decorations creating a festive atmosphere
- New Year's Eve, lively celebrations welcoming the new year with fireworks and events.
popular airports
Popular airports from Denver, CO to Seattle, WA
- Free Wi-Fi available throughout the airport.
- Shops located in Jeppesen terminal and concourses, including Duty-Free and local brands.
- Parking available, approximately 4.7€ ($5) per hour, parkade adjacent to terminal.
- Various restaurants in Jeppesen terminal and concourses, including American and intertiol cuisine.
- Available outside the terminal.
- Elevators, ramps
- Available throughout the airport.
- Westin Hotel connected to the terminal.
- Showers available at the Westin Hotel, approximately $20.
- Multiple lounges available, including United Club and Delta Sky Club.
- Lost and Found located in Jeppesen terminal, Level 5.
- Car rental services available on airport property, shuttle service to rental car lots.
- A Line train, Denver Airport Station, 37 minutes to Union Station
- Free Wi-Fi available throughout the airport.
- Shops include duty-free, Hudson News, and local specialty stores, located in the main terminal and concourses.
- Parking available in the General Parking area, approximately 4.7€ ($5) per hour.
- Restaurants are available, including fast food and sit-down options like McDold's and Beecher's Handmade Cheese.
- Available outside the terminal.
- Elevators, ramps
- Available throughout the airport, near gates and in main terminal areas.
- Hotels within walking distance, such as the Seattle Airport Marriott and Hilton Seattle Airport.
- Showers are available at The Club at SEA lounges, typically included in lounge access fees.
- Lounges include The Club at SEA and Delta Sky Club, offering amenities like scks and showers.
- Lost and Found located on the baggage claim level, near carousel 13.
- Car rental services are available at the Rental Car Facility, accessible via a free shuttle from the terminal.
- Link Light Rail, SeaTac/Airport Station, 40 minutes
More options for your journey from Denver, CO to Seattle, WA
Here are some other resources that might have the information you need





