Book Cheap Frontier Airlines flight from Seattle (SEA) to Denver (DEN)

Find The Best Day to Book a Cheap Frontier Airlines Flights From Seattle to Denver

Cheapest Frontier Airlines Flights from Seattle (SEA) to Denver (DEN)

The cheapest flights to Denver Intl. found within the past 7 days were CA $122 round trip and one way. Prices and availability subject to change. Additional terms may apply.

Frequently asked questions

Can I catch a flight from SEA to DIA airport right now?
Make sure you go to the Covid-19 Travel Advisor to learn if there are any present travel advice reports and quarantine requirements in place in DIA airport when flying in from Sea-Tac Airport.
What terminal is Frontier Airlines at Sea-Tac Airport?
If you’re flying from Seattle - Tacoma Intl. Airport (SEA) to DEN, it’s likely you’ll be disembarking at the main terminal. We can’t say for sure which terminal you’ll be setting off from — it’s wise to consult your airline.
Are there Frontier Airlines non-stop flights from SEA to DEN?
If you need to get from Sea-Tac Airport to Denver Airport and want a direct flight, Frontier Airlines can help. Book your ticket now and you’ll be arriving at your destination in no time at all.
How long is a Frontier Airlines flight from SEA to DEN?
Wind and weather … They’re just some things that are relevant to how long your plane ride will last. However, a trip from Sea-Tac Airport to DIA airport with Frontier Airlines takes about 3 hours and 44 minutes, so you’ll have touched down and be in vacay mode in nothing flat.
What type of aircraft does Frontier Airlines fly from SEA to DEN?
Traveling with Frontier Airlines from SEA to DEN? The Airbus A320neo and the Airbus A320 are the aircraft models that often operate on this route.
How many direct and indirect flights does Frontier Airlines fly from SEA to DEN?
During each week, there are 7 Frontier Airlines flights operating between SEA and DEN.
If I am not able to travel due to COVID-19, can I change my booking to a later date?
For more info about changing your flight to DEN, please visit our Customer Service Portal.
What is the best day to buy a plane ticket?
This just in! Airfares offered on Thursdays tend to be the cheapest, according to flight demand on Travelocity in 2021. Tuesday and Wednesday prices are also good, but you may want to prepare your budget if booking during the weekend, as data shows that is when prices are generally at their highest.
What are the cheapest days to fly?
Frequent travelers may already know this, but earlier in the week can be the cheapest time to fly. In 2021, flights departing on a Monday were generally the cheapest of the week, whereas you may pay a premium for weekend flights when demand is usually high. On average, tickets were most expensive for Saturday departures, so if you need to fly out on a weekend, you might look for deals ahead of time.
How far in advance can you book a flight?
Trying to figure out how early you should book your flight? It’s possible to start comparing international airfares on Travelocity up to 12 months in advance. However, it does depend on the carrier as not all airlines release their prices that far out. According to our 2021 flight demand trends, last minute planners can still bag a bargain with some of the cheapest fares appearing 0-2 weeks prior to their travel dates.*According to flight demand on Travelocity.com from January to December 2021. Savings are subject to change based on departure location, date and destination.
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Grab a great Frontier Airlines flight from SEA to DEN 

To find a great deal on Frontier Airlines flights with Travelocity, simply enter your origin and destination airports, pick your travel dates, and hit search. From here, you can sort by price, flight duration, and arrival/departure time. You can also filter to find nonstop flights. 

Flying Frontier Airlines Seattle to Denver gives you 1 fights to choose from. With that direct flight time of 48, you’ll be touching down before you know it.  

 

Find cheap flights with Frontier Airlines between Seattle and Denver 

Frontier Airlines has a range of great fares on stacks of flights, and to find the most affordable for you, there are a few tricks you can try. Booking in advance, for example, is a great way to grab a fantastic deal. Also, choose the cheapest month, if you can. One-way flights from Seattle to Denver with Frontier Airlines are .  

The more flexible you are, the more affordable flights you’re likely to find. Consider one-way flights and connecting flights, as well as standard roundtrip and direct options. Even if you’re flying today, cheap last-minute flights are easy to find by entering your travel dates and hitting search.  

 

Reasons to book your Frontier Airlines flights with Travelocity 

Travelocity makes it easy to book a seat, anywhere in the world. The vast inventory, fast search, and advanced filters put some of the best deals on the planet in one place. Whether you’re traveling on business, with friends, family, or on your own, take your pick from some fantastic options. And with free cancellation and pay later options, you can travel more and worry less.  

Frontier Airlines Airports
Hop on a(n) Frontier Airlines flight today by flying to many destinations out of these domestic and international airports:
Airport code
Country
Airport name
Number of flights
DENUSADenver Intl.13
MCOUSAOrlando Intl.7
CUNMEXCancun Intl.6
GDLMEXDon Miguel Hidalgo y Costilla Intl.5
PHLUSAPhiladelphia Intl.2
ORDUSAO'Hare Intl.2
MIAUSAMiami Intl.1
LASUSAMcCarran Intl.1
MEXMEXMexico City Intl.1
LAXUSALos Angeles Intl.1

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