$71 Cheap Frontier Airlines flights Raleigh (RDU) to Seattle (SEA)

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$71 Cheap Frontier Airlines flights Raleigh (RDU) to Seattle (SEA)

Prices were available within the past 7 days and start at $71 for one-way flights and $189 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Thu, Dec 4 - Wed, Dec 10
RDU
Raleigh
SEA
Seattle
$189 Roundtrip, found 2 hours ago
$189
Roundtrip
found 2 hours ago
Select Frontier Airlines flight, departing Thu, Dec 4 from Raleigh to Seattle, returning Wed, Dec 10, priced at $189 found 2 hours ago
Frontier Airlines
Thu, Dec 4 - Sun, Dec 7
RDU
Raleigh
SEA
Seattle
$190 Roundtrip, found 1 hour ago
$190
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Thu, Dec 4 from Raleigh to Seattle, returning Sun, Dec 7, priced at $190 found 1 hour ago
Frontier Airlines
Thu, Dec 4 - Wed, Dec 10
RDU
Raleigh
SEA
Seattle
$208 Roundtrip, found 2 hours ago
$208
Roundtrip
found 2 hours ago
Select Frontier Airlines flight, departing Thu, Dec 4 from Raleigh to Seattle, returning Wed, Dec 10, priced at $208 found 2 hours ago
Frontier Airlines
Thu, Dec 11 - Sun, Dec 14
RDU
Raleigh
SEA
Seattle
$210 Roundtrip, just found
$210
Roundtrip
just found
Select Frontier Airlines flight, departing Thu, Dec 11 from Raleigh to Seattle, returning Sun, Dec 14, priced at $210 just found
Frontier Airlines
Thu, Dec 4 - Wed, Dec 10
RDU
Raleigh
SEA
Seattle
$235 Roundtrip, found 2 hours ago
$235
Roundtrip
found 2 hours ago
Select Frontier Airlines flight, departing Thu, Dec 4 from Raleigh to Seattle, returning Wed, Dec 10, priced at $235 found 2 hours ago
Frontier Airlines
Thu, Dec 4 - Sun, Dec 7
RDU
Raleigh
SEA
Seattle
$236 Roundtrip, found 1 hour ago
$236
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Thu, Dec 4 from Raleigh to Seattle, returning Sun, Dec 7, priced at $236 found 1 hour ago

Frequently asked questions

How much is a Frontier Airlines flight from Raleigh - Durham Intl. Airport (RDU) to Seattle - Tacoma Intl. Airport (SEA)?
Finding cheap one-way Frontier Airlines flights from RDU to SEA from $71 on Expedia is a cinch — just filter by "Price (lowest to highest)." Or check out our budget-friendly return fares from $189 for your next exciting adventure.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
What is the cheapest month to fly from RDU to SEA with Frontier Airlines?
January is one of the most affordable months to travel to Seattle with Frontier Airlines. You could also find excellent prices on one-way and return fares in February.
What is the cheapest time to book flights from Raleigh - Durham Intl. Airport (RDU) to Seattle - Tacoma Intl. Airport (SEA) with Frontier Airlines?
For cheap Frontier Airlines fares from Raleigh - Durham Intl. Airport (RDU) to Seattle - Tacoma Intl. Airport (SEA), start searching one to three months before your planned departure. Securing domestic flights 34 to 86 days in advance could save you 25% compared to booking just 6 to 12 days ahead. The day you book can also affect the cost. Sunday tends to be the cheapest, while Monday is often the most expensive for domestic flights. You can save 6% on average by booking your journey on a Sunday.**Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC's global airline sales database.
Does Frontier Airlines fly nonstop from Raleigh - Durham Intl. Airport (RDU) to Seattle - Tacoma Intl. Airport (SEA)?
To see if there's a direct trip from RDU to SEA with Frontier Airlines or other airlines, check the "Nonstop" filter when browsing for tickets.
What is the earliest Frontier Airlines flight from RDU to SEA?
Search Frontier Airlines's earliest flights from RDU to SEA by using our "Morning" and "Early Morning" filters. Not only will you arrive at your destination sooner, early departures are also 20% less likely to be canceled.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports does Frontier Airlines fly into in Seattle?
Catch a Frontier Airlines flight from Raleigh - Durham Intl. Airport (RDU) to Seattle, and you're most likely to come in to Seattle - Tacoma Intl. Airport (SEA). This is the airline's main hub in this city.
Why fly with Frontier Airlines from RDU to SEA?
Journey from RDU to SEA with Frontier Airlines and look forward to a range of benefits starting with a rewarding loyalty program. When you book through Expedia as a Frontier Miles and One Key™ member, you may also earn OneKeyCash™* to use on select future travel purchases.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.
Can I change or cancel my Frontier Airlines flight from Raleigh - Durham Intl. Airport (RDU) to Seattle - Tacoma Intl. Airport (SEA)?
It's generally possible to change or cancel your flight, although additional charges may apply if your booking was made more than 24 hours ago. Need flexible options? Use our "No cancel fee" and "Changes included" filters to find flights that won't penalize you if you need to adjust your plans. To update your booking, go to "Trips," select your flight and click on "Manage Booking" for more details.

Travel information

Origin airport
Raleigh - Durham Intl.
Destination airport
Seattle - Tacoma Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, JetBlue Airways, Southwest Airlines, Sun Country Airlines, United
Popular airline
Alaska Airlines
Distance
2348 mi
Average flight time
3 hours 9 mins

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*Available to One Key members.