HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Seattle

$72+ Cheap flights from Breckenridge, CO to Seattle (SEA)

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 10/5. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — SEA
Aug 18 — Aug 251
Mon 8/18
Mon 8/25
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Breckenridge to Seattle with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Breckenridge to Seattle/Tacoma Intl are usually found in October or September, booked 48 days in advance, depart on a Thursday or Friday and return on a Saturday

Cheap flight deals from Breckenridge to Seattle

Keep the following information in mind while searching for Breckenridge to Seattle flight deals. Data was last updated August 13, 2025.

Round-trip from

$119
(Cheapflightsfares)

One-way from

$72
(CheapOair)

Popular in

June

Cheapest in

October

Average price

$209
From Breckenridge to Seattle/Tacoma Intl
Search Deals
One-way flight from Breckenridge to Seattle/Tacoma Intl
Search Deals
Highest demand for flights based on searches. 15% potential increase in price ($37 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($5 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 2025
Search Deals

Find flight deals from Breckenridge to Seattle

Cheapest flights from Breckenridge to Seattle
Explore the most affordable flight options available from Breckenridge to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 13, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/178:55 pmDEN - SEA
Nonstop3h 04mFrontier
Thu 9/186:12 amSEA - DEN
Nonstop2h 56mFrontier
Deal found 8/12$119
This Frontier deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/66:33 pmDEN - SEA
Nonstop3h 06mFrontier
Sun 9/146:12 amSEA - DEN
Nonstop2h 56mFrontier
Deal found 8/12$120
This Cheapflightsfares deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/108:55 pmDEN - SEA
Nonstop3h 04mFrontier
Sun 9/146:12 amSEA - DEN
Nonstop2h 56mFrontier
Deal found 8/11$121
This Frontier deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/38:55 pmDEN - SEA
Nonstop3h 06mFrontier
Thu 9/116:12 amSEA - DEN
Nonstop2h 56mFrontier
Deal found 8/10$122
This Frontier deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/168:55 pmDEN - SEA
Nonstop3h 04mFrontier
Fri 9/196:12 amSEA - DEN
Nonstop2h 56mFrontier
Deal found 8/11$123
This Cheapflightsfares deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/28:55 pmDEN - SEA
Nonstop3h 06mFrontier
Tue 9/97:00 amSEA - DEN
Nonstop2h 53mFrontier
Deal found 8/11$124
This Frontier deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/210:29 pmDEN - SEA
Nonstop3h 01mFrontier
Mon 10/132:31 pmSEA - DEN
Nonstop2h 51mFrontier
Deal found 8/12$125
This Frontier deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/38:55 pmDEN - SEA
Nonstop3h 06mFrontier
Tue 9/97:00 amSEA - DEN
Nonstop2h 53mFrontier
Deal found 8/11$126
This Cheapflightsfares deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1210:29 pmDEN - SEA
Nonstop3h 01mFrontier
Mon 9/156:12 amSEA - DEN
Nonstop2h 56mFrontier
Deal found 8/11$127
This Frontier deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/510:29 pmDEN - SEA
Nonstop3h 01mFrontier
Thu 9/116:12 amSEA - DEN
Nonstop2h 56mFrontier
Deal found 8/10$128
This Frontier deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/1410:29 pmDEN - SEA
Nonstop3h 01mFrontier
Fri 9/196:12 amSEA - DEN
Nonstop2h 56mFrontier
Deal found 8/11$129
This Frontier deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/510:29 pmDEN - SEA
Nonstop3h 01mFrontier
Mon 10/132:31 pmSEA - DEN
Nonstop2h 51mFrontier
Deal found 8/12$130

Cheapflights Fare Finder

 
Customize your flight search to find flights from Breckenridge 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 2,558,603 searches. Data last updated August 13, 2025.
Use the filters below to find and compare flights from Breckenridge to Seattle that are best for you.

Fly from

Breckenridge

Fly to

Seattle

Route

Depart

Return

Price

DenverSeattle

DEN - SEA

DENSEA

Denver Intl

Sat 9/20

6:33 pm-8:39 pm

Nonstop3h 06m

Seattle/Tacoma Intl

Mon 9/22

6:12 am-10:08 am

Nonstop2h 56m

$120

DenverSeattle

DEN - SEA

DENSEA

Denver Intl

Mon 9/8

10:29 pm-12:30 am

Nonstop3h 01m

Seattle/Tacoma Intl

Sat 9/13

7:00 am-10:53 am

Nonstop2h 53m

$121

DenverSeattle

DEN - SEA

DENSEA

Denver Intl

Wed 9/10

8:55 pm-10:59 pm

Nonstop3h 04m

Seattle/Tacoma Intl

Mon 9/15

6:12 am-10:08 am

Nonstop2h 56m

$121

DenverSeattle

DEN - SEA

DENSEA

Denver Intl

Sat 9/27

6:33 pm-8:39 pm

Nonstop3h 06m

Seattle/Tacoma Intl

Sun 10/5

6:12 am-10:08 am

Nonstop2h 56m

$121

DenverSeattle

DEN - SEA

DENSEA

Denver Intl

Fri 10/10

5:30 am-7:33 am

Nonstop3h 03m

Seattle/Tacoma Intl

Tue 10/14

1:02 pm-4:55 pm

Nonstop2h 53m

$121

DenverSeattle

DEN - SEA

DENSEA

Denver Intl

Wed 9/3

8:55 pm-11:01 pm

Nonstop3h 06m

Seattle/Tacoma Intl

Fri 9/12

6:12 am-10:08 am

Nonstop2h 56m

$122

DenverSeattle

DEN - SEA

DENSEA

Denver Intl

Sun 9/28

10:29 pm-12:30 am

Nonstop3h 01m

Seattle/Tacoma Intl

Sat 10/4

7:00 am-10:53 am

Nonstop2h 53m

$123

DenverSeattle

DEN - SEA

DENSEA

Denver Intl

Sat 9/13

6:33 pm-8:39 pm

Nonstop3h 06m

Seattle/Tacoma Intl

Sun 9/14

6:12 am-10:08 am

Nonstop2h 56m

$123

DenverSeattle

DEN - SEA

DENSEA

Denver Intl

Thu 10/9

9:58 am-12:07 pm

Nonstop3h 09m

Seattle/Tacoma Intl

Mon 10/13

2:31 pm-6:22 pm

Nonstop2h 51m

$125

DenverSeattle

DEN - SEA

DENSEA

Denver Intl

Tue 9/9

8:55 pm-10:59 pm

Nonstop3h 04m

Seattle/Tacoma Intl

Tue 9/16

7:00 am-10:53 am

Nonstop2h 53m

$125

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/12

Showing 1-10 of 19 results
1
2

Best time to book a flight from Breckenridge to Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle from Breckenridge with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Breckenridge to Seattle

How far ahead should I book a flight from Breckenridge to Seattle?

Use this chart to determine the optimal time to book a round-trip flight from Breckenridge to Seattle. Price data was last updated on August 8, 2025.

The best time to book flights from Breckenridge to Seattle is 48 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Breckenridge to Seattle?

Currently, January is the cheapest month in which you can book a flight from Breckenridge to Seattle (average of $238). Flying from Breckenridge to Seattle in June is currently the most expensive (average of $389). 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 is the cheapest time of day to fly from BK9 to SEA?

Find hourly flight availability from Breckenridge 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 August 13, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Breckenridge to Seattle as you normally would.

What is the cheapest day to fly from Breckenridge to Seattle?

Use this chart to determine the cheapest time to fly round-trip from Breckenridge to Seattle. Price data was last updated on November 18, 2024.

Travelers seeking maximum savings on their Breckenridge to Seattle flight should consider departing on Thursday afternoons when fares are most often at their lowest. Sunday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Breckenridge to Seattle

Explore weekly flight availability from Breckenridge 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 August 13, 2025.

The most flights from BK9 to SEA are scheduled on a Wednesday (59 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (31 on average).

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 August 13, 2025.
Read through reviews of airlines operating flights from Breckenridge to Seattle, such as Alaska Airlines, Southwest, and Delta. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Entertainment

7.0

Crew

8.5

Comfort

7.8

Boarding

8.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

EUG - SEA

Mobility support was fabulous No flight entertainment that I was aware of.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Entertainment

7.0

Crew

8.5

Comfort

7.8

Boarding

8.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

EUG - SEA

Mobility support was fabulous No flight entertainment that I was aware of.
Southwest
8.0
Very good
4,246 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Entertainment

7.0

Crew

8.5

Comfort

7.8

Boarding

8.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

EUG - SEA

Mobility support was fabulous No flight entertainment that I was aware of.
Delta
8.0
Very good
7,979 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Entertainment

7.0

Crew

8.5

Comfort

7.8

Boarding

8.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

EUG - SEA

Mobility support was fabulous No flight entertainment that I was aware of.
United Airlines
7.4
Good
8,920 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Entertainment

7.0

Crew

8.5

Comfort

7.8

Boarding

8.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

EUG - SEA

Mobility support was fabulous No flight entertainment that I was aware of.
Frontier
5.8
Fair
3,221 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Entertainment

7.0

Crew

8.5

Comfort

7.8

Boarding

8.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

EUG - SEA

Mobility support was fabulous No flight entertainment that I was aware of.

Related info for your journey

Find useful and relevant information for your journey from Breckenridge to Seattle. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    For a flight from Breckenridge to Seattle, you will be flying into Seattle/Tacoma Intl. Seattle/Tacoma Intl (SEA) is just 11.4 mi from the center of the city. Seattle/Tacoma Intl is the only Seattle airport and it handles 45 inbound flights from Breckenridge per day. 7 airlines have flights to Seattle/Tacoma Intl from Breckenridge on a regular basis.

  • How popular is this Breckenridge to Seattle flight route?

    This flight path from Breckenridge to Seattle/Tacoma Intl was viewed by 198 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

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

    Before booking your flight to Seattle from Breckenridge, check out the most reliable airlines to get you to your destination on time: Virgin Atlantic (84%), Singapore Airlines (81%), KLM( 81%).

  • What are the cheapest flights from Breckenridge to Seattle?

    Looking for the cheapest flight from Breckenridge to Seattle? While on average our users pay $507, our data indicates the cheapest price to be $85. The most popular route (Denver Intl - Seattle/Tacoma Intl), is priced around $93.

  • Can I find deals for flights from Breckenridge to Seattle that include hotel bookings?

    Yes. In addition to deals on Breckenridge to Seattle flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Breckenridge to Seattle?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Breckenridge to Seattle.

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

    Yes. Cheapflights offers flight deals from Breckenridge to Seattle by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Breckenridge to Seattle?

    Currently, January is the cheapest month in which you can book a flight from Breckenridge to Seattle (average of $238). Flying from Breckenridge to Seattle in June is currently the most expensive (average of $389). 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.

See more FAQs

Traveling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
SeaTac
Tukwila
Tacoma
Ocean Shores
Lakewood
Lynnwood
Lacey
Leavenworth
Renton
Olympia
Puyallup
Kent
Cle Elum
Chehalis
Kirkland
Issaquah
Aberdeen
Shoreline
Federal Way
Shelton

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.

Alternative routes for Breckenridge to Seattle

See prices for flight routes from nearby airports that may be better suited for you.
Denver to Seattle flights
Denver to Portland flights
Denver to Spokane flights
Grand Junction to Seattle flights
Denver to Everett flights
Denver to Pasco flights
Colorado Springs to Seattle flights
Durango to Seattle flights
Montrose to Seattle flights
Denver to Bellingham flights
Aspen to Seattle flights
Colorado Springs to Portland flights
Gunnison to Seattle flights
Durango to Portland flights
Grand Junction to Portland flights
Grand Junction to Spokane flights
Hayden to Seattle flights
Colorado Springs to Pasco flights
Montrose to Portland flights
Vail to Seattle flights
Colorado Springs to Spokane flights
Denver to Pullman flights
Denver to Walla Walla flights
Gunnison to Portland flights
Hayden to Portland flights
Aspen to Spokane flights
Aspen to Bellingham flights
Durango to Spokane flights
Aspen to Portland flights
Montrose to Spokane flights
Grand Junction to Yakima flights
Vail to Spokane flights
Denver to Yakima flights
Denver to Wenatchee flights
Grand Junction to Pasco flights
Grand Junction to Wenatchee flights
Aspen to Pasco flights
Cortez to Portland flights
Colorado Springs to Bellingham flights
Alamosa to Spokane flights

Top 7 airlines flying from Breckenridge to Seattle

Discover the top 7 airlines that operate flights from Breckenridge 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 2,558,603 searches. Data last updated August 13, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$60Average$160FlexibilityNo cancel feeOn-time62%
DeltaCheapest$109Average$332FlexibilityNo cancel feeOn-timeN/A
Hawaiian AirlinesCheapest$109Average$258FlexibilityNo cancel feeOn-time85%
SouthwestCheapest$137Average$311FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$148Average$419FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$158Average$277FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$206Average$305FlexibilityNo cancel feeOn-time71%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.