Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from Washington to Denver from $70

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington to Denver departing on 6/24. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Washington to Denver

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
7:41 pm - 11:36 pm
SEA
-
DEN
2h 55mnonstop
Multiple Airlines Logo
6:02 am - 8:05 am
DEN
-
SEA
3h 03mnonstop
$130Multiple Airlines
Thu, Jun 11 - Mon, Jun 15
Multiple Airlines Logo
7:50 pm - 11:54 pm
SEA
-
DEN
3h 04mnonstop
Multiple Airlines Logo
6:00 am - 8:05 am
DEN
-
SEA
3h 05mnonstop
$132Multiple Airlines
Mon, Jun 1 - Sat, Jun 6
Frontier Logo
8:20 pm - 3:25 am
SEA
-
DEN
6h 05m
1 stop
Frontier Logo
7:45 am - 9:48 am
DEN
-
SEA
3h 03mnonstop
$133Frontier
Mon, Jun 1 - Tue, Jun 9
Frontier Logo
7:50 pm - 11:54 pm
SEA
-
DEN
3h 04mnonstop
Frontier Logo
7:45 am - 9:48 am
DEN
-
SEA
3h 03mnonstop
$136Frontier
Mon, Jun 8 - Wed, Jun 24
United Airlines Logo
5:14 am - 8:36 am
PSC
-
DEN
2h 22mnonstop
United Airlines Logo
7:24 pm - 8:52 pm
DEN
-
PSC
2h 28mnonstop
$269United Airlines
Wed, Jun 10 - Wed, Jun 17
Delta Logo
2:46 pm - 10:40 pm
PSC
-
DEN
6h 54m
1 stop
Delta Logo
5:40 am - 9:06 am
DEN
-
PSC
4h 26m
1 stop
$289Delta
Fri, Jun 5 - Sun, Jun 7
Alaska Airlines Logo
7:15 am - 7:11 pm
PAE
-
DEN
10h 56m
1 stop
Alaska Airlines Logo
5:58 pm - 11:53 am
DEN
-
PAE
18h 55m
1 stop
$289Alaska Airlines
Wed, Jun 3 - Tue, Jun 9
United Airlines Logo
5:15 am - 8:37 am
PSC
-
DEN
2h 22mnonstop
United Airlines Logo
11:15 am - 12:54 pm
DEN
-
PSC
2h 39mnonstop
$290United Airlines
Tue, Sep 1 - Sat, Sep 5
Delta Logo
2:46 pm - 10:40 pm
PSC
-
DEN
6h 54m
1 stop
Delta Logo
5:40 am - 9:06 am
DEN
-
PSC
4h 26m
1 stop
$299Delta
Fri, Jun 5 - Sun, Jun 7
Alaska Airlines Logo
7:15 am - 11:49 pm
PAE
-
DEN
15h 34m
1 stop
Alaska Airlines Logo
5:58 pm - 11:53 am
DEN
-
PAE
18h 55m
1 stop
$300Alaska Airlines
Mon, Jun 1 - Tue, Jun 9

Southwest flights from State of Washington to Denver

Our best Southwest deals on State of Washington to Denver flight tickets
Southwest
Jun 3
PDX9:45 amPortland
2h 30m
DEN1:15 pmDenver Intl
Jun 6
DEN8:40 pmDenver Intl
2h 40m
PDX10:20 pmPortland
$217
Southwest
May 25
GEG6:15 amSpokane
2h 15m
DEN9:30 amDenver Intl
May 30
DEN8:45 amDenver Intl
2h 20m
GEG10:05 amSpokane
$442
Southwest
May 25
GEG10:30 amSpokane
6h 45m
1 stop
DEN6:15 pmDenver Intl
May 31
DEN5:55 amDenver Intl
5h 40m
1 stop
GEG10:35 amSpokane
$500

Frontier flights from State of Washington to Denver

Our best Frontier deals on State of Washington to Denver flight tickets
Frontier
Jun 1
SEA8:20 pmSeattle/Tacoma Intl
6h 05m
1 stop
DEN3:25 amDenver Intl
Jun 9
DEN7:45 amDenver Intl
3h 03m
SEA9:48 amSeattle/Tacoma Intl
$133
Frontier
Jun 8
SEA7:50 pmSeattle/Tacoma Intl
3h 04m
DEN11:54 pmDenver Intl
Jun 24
DEN7:45 amDenver Intl
3h 03m
SEA9:48 amSeattle/Tacoma Intl
$136
Frontier
May 27
SEA7:50 pmSeattle/Tacoma Intl
3h 04m
DEN11:54 pmDenver Intl
Jun 9
DEN7:45 amDenver Intl
3h 03m
SEA9:48 amSeattle/Tacoma Intl
$137

momondo Fare Finder

 
Customize your flight search to find flights from State of Washington to Denver 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, momondo users made 832,500 searches. Data last updated May 11, 2026.
Use the filters below to find and compare flights from Washington to Denver that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattleDenver

SEA - DEN

SEADEN

Seattle/Tacoma Intl

Thu 6/11

7:41 pm-11:36 pm

Nonstop2h 55m

Denver Intl

Mon 6/15

6:02 am-8:05 am

Nonstop3h 03m

$130

SeattleDenver

SEA - DEN

SEADEN

Seattle/Tacoma Intl

Mon 6/1

7:50 pm-11:54 pm

Nonstop3h 04m

Denver Intl

Sat 6/6

6:00 am-8:05 am

Nonstop3h 05m

$132

SeattleDenver

SEA - DEN

SEADEN

Seattle/Tacoma Intl

Mon 6/1

8:20 pm-3:25 am

1 stop6h 05m

Denver Intl

Tue 6/9

7:45 am-9:48 am

Nonstop3h 03m

$133

SeattleDenver

SEA - DEN

SEADEN

Seattle/Tacoma Intl

Mon 6/8

7:50 pm-11:54 pm

Nonstop3h 04m

Denver Intl

Wed 6/24

7:45 am-9:48 am

Nonstop3h 03m

$136
Quickest round-trip

PascoDenver

PSC - DEN

PSCDEN

Pasco Tri Cities

Wed 6/10

5:14 am-8:36 am

Nonstop2h 22m

Denver Intl

Wed 6/17

7:24 pm-8:52 pm

Nonstop2h 28m

$269

PascoDenver

PSC - DEN

PSCDEN

Pasco Tri Cities

Fri 6/5

2:46 pm-10:40 pm

1 stop6h 54m

Denver Intl

Sun 6/7

5:40 am-9:06 am

1 stop4h 26m

$289

EverettDenver

PAE - DEN

PAEDEN

Everett Paine Field

Wed 6/3

7:15 am-7:11 pm

1 stop10h 56m

Denver Intl

Tue 6/9

5:58 pm-11:53 am

1 stop18h 55m

$289

PascoDenver

PSC - DEN

PSCDEN

Pasco Tri Cities

Tue 9/1

5:15 am-8:37 am

Nonstop2h 22m

Denver Intl

Sat 9/5

11:15 am-12:54 pm

Nonstop2h 39m

$290

PascoDenver

PSC - DEN

PSCDEN

Pasco Tri Cities

Fri 6/5

2:46 pm-10:40 pm

1 stop6h 54m

Denver Intl

Sun 6/7

5:40 am-9:06 am

1 stop4h 26m

$299

EverettDenver

PAE - DEN

PAEDEN

Everett Paine Field

Mon 6/1

7:15 am-11:49 pm

1 stop15h 34m

Denver Intl

Tue 6/9

5:58 pm-11:53 am

1 stop18h 55m

$300

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Denver from

How to get the cheapest flight ticket from State of Washington to Denver

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Denver?

The cheapest month to fly to Denver from State of Washington is in September. Flight prices, which tend to average around $215, are often lower during this time because this is during the off-season. If you don’t want to visit Denver in September, then you should wait until October to fly from State of Washington, when ticket prices are also cheap, with an average price of $219.

What is the cheapest day to depart on your flight to Denver?

The cheapest day to depart on your flight to Denver is on a Friday when prices can be found for as low as $282. This is often the case because there is less demand to fly during this day of the week. The most expensive day to fly to Denver is Sunday, with ticket prices averaging around $346.

What is the cheapest time of day to depart on your flight to Denver?

The cheapest time of day to fly to Denver is in the evening when flights can be purchased for as low as $244. Flights in the morning are often more expensive with an average ticket price of $329.

What is the cheapest Washington to Denver Intl flight route?

Fly from Seattle/Tacoma Intl to Denver Intl for the best Washington - Denver Intl flight prices

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

You are more likely to see cheaper flights to Denver from State of Washington when booking weeks ahead of your departure date. In general, you can expect to find flights to Denver for around $218 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Denver from State of Washington for as low as $177 on momondo.

Can stopping save me money on State of Washington to Denver flights?

No. A direct flight is the cheapest option for a flight between State of Washington to Denver.

Cheap State of Washington to Denver flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from State of Washington to Denver

Best Price Found

$141

Fastest flight time

2h 16m

Direct flights

Every day

Airports in Denver

1 airport
The best one-way flight to Denver from State of Washington in the past 72 hours is $141. The best round-trip flight deal from State of Washington to Denver found on momondo in the last 72 hours is $253.
The fastest flight from State of Washington to Denver takes 2h 16m
Direct flights go from State of Washington to Denver every day.
There is 1 airport in Denver. From State of Washington there are direct flights to Denver Intl (DEN).
Search flight deals

Frequently asked questions about flying from Washington to Denver

  • When did momondo last update prices for flights from Washington to Denver Intl Airport?

    Prices for flights from Washington to Denver Intl Airport refresh daily.

  • How many operators does momondo search for flights from Washington to Denver Intl Airport?

  • How old do you have to be to fly from Washington to Denver Intl Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Washington to Denver Intl Airport.

  • What documentation or ID do you need to fly to Denver Intl Airport?

    The necessary travel and health documents for your Denver Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from State of Washington to Denver?

Best airlines flying from State of Washington to Denver

Compare and see reviews for airlines that fly from State of Washington to Denver with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $56Free CancellationRating
5.6
2,951 reviews
Search Frontier flights
Hawaiian AirlinesPriceFrom $70Free CancellationRating
7.8
2,837 reviews
Search Hawaiian Airlines flights
DeltaPriceFrom $93Free CancellationRating
7.9
8,452 reviews
Search Delta flights
Alaska AirlinesPriceFrom $108Free CancellationRating
7.9
12,354 reviews
Search Alaska Airlines flights
SouthwestPriceFrom $117Free CancellationRating
8.0
4,296 reviews
Search Southwest flights
United AirlinesPriceFrom $130Free CancellationRating
7.4
9,701 reviews
Search United Airlines flights

Traveling to a place near Denver?

Book flights to Denver if you plan to visit one of these locations
Breckenridge
Estes Park
Black Hawk
Aurora
Fort Collins
Manitou Springs
Boulder
Longmont
Greeley
Keystone
Lakewood
Westminster
Cripple Creek
Thornton
Frisco
Centennial
Englewood
Winter Park
Grand Lake
Copper Mountain

Why use momondo?

Why should I use momondo to find a flight deal from Washington to Denver?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Washington to Denver. momondo saves you time and could save you money on your trip.

Can I find flights from Washington to Denver with flexible booking policies on momondo?

momondo does allow users to show only those flights to Denver from Washington which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Washington to Denver?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Denver from Washington.

I’m not ready to book a flight from Washington to Denver right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Washington to Denver flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

An easier way to manage your Denver trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Wed 6/10
Wed 6/17
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States