$126+ Cheap flights from Raleigh to Seattle (RDU - 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 10/10. Fares are subject to change and may not be available on all flights or dates of travel.
RDU — SEA
Sep 25 — Oct 21
Round-trip
1 adult, Economy
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Find cheap flights from Raleigh 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 Raleigh-Durham to Seattle/Tacoma Intl are usually found in February or January, booked 65 days in advance, depart on a Thursday or Tuesday and return on a Tuesday
Cheap flight deals from Raleigh to Seattle
Cheapest
Best
Last-minute
One-way
Cheapest flights from Raleigh to SeattleExplore the most affordable flight options available from Raleigh to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 26, 2026.
Explore the most affordable flight options available from Raleigh to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 26, 2026.
This CheapOair deal was found by Cheapflights users on 8/25. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/266:17 pm -
1 stop23h 51m
Tue 10/64:27 pm -
1 stop21h 55m
Deal found 8/25![Frontier logo]()
$288
This Kiwi.com deal was found by Cheapflights users on 8/23. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/221:56 pm -
2 stops28h 12m
Tue 9/294:27 pm -
1 stop21h 55m
Deal found 8/23![Frontier logo]()
$291
This Kiwi.com deal was found by Cheapflights users on 8/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/216:35 pm -
1 stop23h 37m
Mon 10/268:00 pm -
2 stops42h 38m
Deal found 8/21![Frontier logo]()
$295
This CheapOair deal was found by Cheapflights users on 8/25. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/266:17 pm -
1 stop23h 51m
Fri 10/24:27 pm -
1 stop21h 55m
Deal found 8/25![Frontier logo]()
$296
This CheapOair deal was found by Cheapflights users on 8/21. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/146:35 pm -
1 stop23h 37m
Sun 10/184:27 pm -
1 stop23h 15m
Deal found 8/21![Frontier logo]()
$303
This Kiwi.com deal was found by Cheapflights users on 8/24. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/307:37 pm -
1 stop22h 35m
Tue 11/178:09 pm -
2 stops18h 29m
Deal found 8/24![Frontier logo]()
$307
This Kiwi.com deal was found by Cheapflights users on 8/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/121:56 pm -
2 stops22h 46m
Tue 9/154:27 pm -
1 stop21h 55m
Deal found 8/21![Frontier logo]()
$310
This Kiwi.com deal was found by Cheapflights users on 8/22. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/221:56 pm -
2 stops28h 12m
Thu 10/84:27 pm -
1 stop23h 15m
Deal found 8/22![Frontier logo]()
$311
This Kiwi.com deal was found by Cheapflights users on 8/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/146:17 pm -
1 stop23h 51m
Fri 9/257:45 pm -
2 stops13h 58m
Deal found 8/21![Frontier logo]()
$312
This Kiwi.com deal was found by Cheapflights users on 8/23. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/146:30 am -
2 stops15h 15m
Tue 10/204:27 pm -
1 stop22h 13m
Deal found 8/23![Frontier logo]()
$315
This Kiwi.com deal was found by Cheapflights users on 8/22. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/296:35 am -
2 stops15h 01m
Tue 10/64:27 pm -
1 stop21h 55m
Deal found 8/22![Frontier logo]()
$317
Best flights from Raleigh to SeattleDiscover carefully curated flight deals from Raleigh to Seattle that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 26, 2026.
Discover carefully curated flight deals from Raleigh to Seattle that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 26, 2026.
This United Airlines deal was found by Cheapflights users on 8/20. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/34:54 pm -
1 stop8h 57m
Tue 11/1010:40 am -
1 stop8h 50m
Deal found 8/20![United Airlines logo]()
$332
This Alaska Airlines deal was found by Cheapflights users on 8/25. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/215:22 pm -
1 stop30h 04m
Mon 10/268:00 am -
Nonstop5h 19m
Deal found 8/25![Alaska Airlines logo]()
$362
This Delta deal was found by Cheapflights users on 8/23. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/76:30 am -
Nonstop5h 57m
Wed 10/143:55 pm -
Nonstop5h 03m
Deal found 8/23![Delta logo]()
$401
This Southwest deal was found by Cheapflights users on 8/25. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/164:35 pm -
2 stops11h 00m
Mon 10/1912:10 am -
2 stops9h 55m
Deal found 8/25![Southwest logo]()
$405
This Delta deal was found by Cheapflights users on 8/22. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/26:15 am -
Nonstop5h 43m
Fri 10/93:55 pm -
Nonstop5h 03m
Deal found 8/22![Delta logo]()
$401
This Southwest deal was found by Cheapflights users on 8/25. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/171:15 pm -
1 stop13h 40m
Fri 9/1811:05 pm -
2 stops10h 20m
Deal found 8/25![Southwest logo]()
$410
This Alaska Airlines deal was found by Cheapflights users on 8/24. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/175:50 pm -
1 stop28h 02m
Thu 9/249:30 pm -
Nonstop5h 11m
Deal found 8/24![Alaska Airlines logo]()
$419
This Delta deal was found by Cheapflights users on 8/21. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/146:15 am -
Nonstop5h 43m
Fri 9/253:59 pm -
Nonstop5h 00m
Deal found 8/21![Delta logo]()
$401
This Southwest deal was found by Cheapflights users on 8/21. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/81:35 pm -
1 stop15h 00m
Sat 10/1012:10 am -
1 stop7h 35m
Deal found 8/21![Southwest logo]()
$437
This Delta deal was found by Cheapflights users on 8/22. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/66:30 am -
Nonstop5h 57m
Tue 10/133:55 pm -
Nonstop5h 03m
Deal found 8/22![Delta logo]()
$401
This Southwest deal was found by Cheapflights users on 8/22. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/287:00 am -
2 stops10h 20m
Sun 11/15:15 am -
2 stops10h 20m
Deal found 8/22![Southwest logo]()
$442
Last-minute flights from Raleigh to SeattleDiscover last-minute flight deals from Raleigh to Seattle. Data last updated August 26, 2026 and is based on user searches.
Discover last-minute flight deals from Raleigh to Seattle. Data last updated August 26, 2026 and is based on user searches.
This CheapOair deal was found by Cheapflights users on 8/20. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/116:17 pm -
1 stop23h 51m
Sat 9/194:27 pm -
1 stop17h 04m
Deal found 8/20![Frontier logo]()
$323
This Kiwi.com deal was found by Cheapflights users on 8/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/121:56 pm -
2 stops22h 46m
Tue 9/154:27 pm -
1 stop21h 55m
Deal found 8/21![Frontier logo]()
$310
This Kiwi.com deal was found by Cheapflights users on 8/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/146:17 pm -
1 stop23h 51m
Fri 9/257:45 pm -
2 stops13h 58m
Deal found 8/21![Frontier logo]()
$312
This Kiwi.com deal was found by Cheapflights users on 8/24. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/166:17 pm -
1 stop23h 51m
Tue 9/224:27 pm -
2 stops29h 02m
Deal found 8/24![Frontier logo]()
$324
This Kiwi.com deal was found by Cheapflights users on 8/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1810:13 am -
2 stops31h 55m
Fri 9/254:27 pm -
1 stop21h 55m
Deal found 8/21![Frontier logo]()
$322
This Kiwi.com deal was found by Cheapflights users on 8/23. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/221:56 pm -
2 stops28h 12m
Tue 9/294:27 pm -
1 stop21h 55m
Deal found 8/23![Frontier logo]()
$291
This Kiwi.com deal was found by Cheapflights users on 8/22. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/221:56 pm -
2 stops28h 12m
Thu 10/84:27 pm -
1 stop23h 15m
Deal found 8/22![Frontier logo]()
$311
This CheapOair deal was found by Cheapflights users on 8/21. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/256:17 pm -
1 stop23h 51m
Tue 9/294:27 pm -
1 stop21h 55m
Deal found 8/21![Frontier logo]()
$320
This CheapOair deal was found by Cheapflights users on 8/24. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/266:17 pm -
1 stop23h 51m
Tue 10/64:27 pm -
1 stop21h 55m
Deal found 8/24![Frontier logo]()
$288
This CheapOair deal was found by Cheapflights users on 8/25. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/266:17 pm -
1 stop23h 51m
Fri 10/24:27 pm -
1 stop21h 55m
Deal found 8/25![Frontier logo]()
$296
This Kiwi.com deal was found by Cheapflights users on 8/22. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/296:35 am -
2 stops15h 01m
Tue 10/64:27 pm -
1 stop21h 55m
Deal found 8/22![Frontier logo]()
$317
One-way flights from Raleigh to SeattleSearch for one-way flight options from Raleigh to Seattle. Find affordable one-way fares based on user searches. Data last updated August 26, 2026.
Search for one-way flight options from Raleigh to Seattle. Find affordable one-way fares based on user searches. Data last updated August 26, 2026.
This CheapOair deal was found by Cheapflights users on 8/21. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/105:19 pm -
1 stop24h 53m
Deal found 8/21![Frontier logo]()
$126
This Kiwi.com deal was found by Cheapflights users on 8/24. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/146:17 pm -
1 stop23h 51m
Deal found 8/24![Frontier logo]()
$129
This Kiwi.com deal was found by Cheapflights users on 8/22. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/56:17 pm -
2 stops50h 53m
Deal found 8/22![Frontier logo]()
$139
This Kiwi.com deal was found by Cheapflights users on 8/24. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/256:17 pm -
1 stop23h 51m
Deal found 8/24![Frontier logo]()
$140
This Booking.com deal was found by Cheapflights users on 8/24. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/166:17 pm -
1 stop23h 51m
Deal found 8/24![Frontier logo]()
$145
This Mytrip deal was found by Cheapflights users on 8/25. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/306:17 pm -
1 stop23h 51m
Deal found 8/25![Frontier logo]()
$146
This Trip.com deal was found by Cheapflights users on 8/25. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/245:19 pm -
1 stop24h 53m
Deal found 8/25![Frontier logo]()
$148
This CheapOair deal was found by Cheapflights users on 8/22. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/213:47 pm -
1 stop26h 21m
Deal found 8/22![Frontier logo]()
$150
This Booking.com deal was found by Cheapflights users on 8/23. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/167:37 pm -
1 stop22h 35m
Deal found 8/23![Frontier logo]()
$153
Find flight deals from Raleigh to Seattle
Discover tips and strategies to find the most affordable flight options for your journey from Raleigh (RDU) to Seattle (SEA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated August 26, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $288 (CheapOair) |
One-way from | $126 (CheapOair) |
Popular in | July |
Cheapest in | February |
Average price | $464 |
Good round-trip deal | $407 or less |
Good one-way deal | $288 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Raleigh 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 7,457,451 searches. Data last updated August 26, 2026.
Use the filters below to find and compare flights from Raleigh to Seattle that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
RaleighSeattle
RDU Raleigh-Durham - SEA Seattle/Tacoma Intl
RDUSEA
Raleigh-Durham
Tue 11/3
4:54 pm-10:51 pm
1 stop8h 57m
Seattle/Tacoma Intl
Tue 11/10
10:40 am-10:30 pm
1 stop8h 50m
$332
RaleighSeattle
RDU Raleigh-Durham - SEA Seattle/Tacoma Intl
RDUSEA
Raleigh-Durham
Wed 10/21
5:22 pm-8:26 pm
1 stop30h 04m
Seattle/Tacoma Intl
Mon 10/26
8:00 am-4:19 pm
Nonstop5h 19m
$362
RaleighSeattle
RDU Raleigh-Durham - SEA Seattle/Tacoma Intl
RDUSEA
Raleigh-Durham
Wed 10/7
6:30 am-9:27 am
Nonstop5h 57m
Seattle/Tacoma Intl
Wed 10/14
3:55 pm-11:58 pm
Nonstop5h 03m
$401
RaleighSeattle
RDU Raleigh-Durham - SEA Seattle/Tacoma Intl
RDUSEA
Raleigh-Durham
Fri 10/2
6:15 am-8:58 am
Nonstop5h 43m
Seattle/Tacoma Intl
Fri 10/9
3:55 pm-11:58 pm
Nonstop5h 03m
$401
Quickest round-trip
RaleighSeattle
RDU Raleigh-Durham - SEA Seattle/Tacoma Intl
RDUSEA
Raleigh-Durham
Mon 9/14
6:15 am-8:58 am
Nonstop5h 43m
Seattle/Tacoma Intl
Fri 9/25
3:59 pm-11:59 pm
Nonstop5h 00m
$401
RaleighSeattle
RDU Raleigh-Durham - SEA Seattle/Tacoma Intl
RDUSEA
Raleigh-Durham
Tue 10/6
6:30 am-9:27 am
Nonstop5h 57m
Seattle/Tacoma Intl
Tue 10/13
3:55 pm-11:58 pm
Nonstop5h 03m
$401
RaleighSeattle
RDU Raleigh-Durham - SEA Seattle/Tacoma Intl
RDUSEA
Raleigh-Durham
Fri 10/16
4:35 pm-12:35 am
2 stops11h 00m
Seattle/Tacoma Intl
Mon 10/19
12:10 am-1:05 pm
2 stops9h 55m
$405
RaleighSeattle
RDU Raleigh-Durham - SEA Seattle/Tacoma Intl
RDUSEA
Raleigh-Durham
Thu 9/17
1:15 pm-11:55 pm
1 stop13h 40m
Seattle/Tacoma Intl
Fri 9/18
11:05 pm-12:25 pm
2 stops10h 20m
$410
RaleighSeattle
RDU Raleigh-Durham - SEA Seattle/Tacoma Intl
RDUSEA
Raleigh-Durham
Thu 9/17
5:50 pm-6:52 pm
1 stop28h 02m
Seattle/Tacoma Intl
Thu 9/24
9:30 pm-5:41 am
Nonstop5h 11m
$419
RaleighSeattle
RDU Raleigh-Durham - SEA Seattle/Tacoma Intl
RDUSEA
Raleigh-Durham
Thu 10/8
1:35 pm-1:35 am
1 stop15h 00m
Seattle/Tacoma Intl
Sat 10/10
12:10 am-10:45 am
1 stop7h 35m
$437
Showing 1-10 of 22 resultsSorted by cheapest first
Compare providers for flights from Raleigh to Seattle
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Raleigh to Seattle in August.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*1 star | |
| Price Accuracy- | Trust Score*1 star |
- Most accurate provider: When it comes to deals on Raleigh-Seattle flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Raleigh-Seattle flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Raleigh-Seattle flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Raleigh-Seattle flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Raleigh-Seattle flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Raleigh to Seattle
Have a flexible travel schedule? Discover the best time to fly to Seattle from Raleigh with our price prediction graph.
RDU-SEA
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 Raleigh to Seattle
Prices
Airlines
More
How far ahead should I book a flight from Raleigh to Seattle?
Booking 64 days in advance of your planned departure date is, on average, the best time to get cheap flights from Raleigh to Seattle. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
What is the cheapest month to book a flight from Raleigh to Seattle?
Currently, February is the cheapest month in which you can book a flight from Raleigh to Seattle (average of $244). Flying from Raleigh to Seattle in July is currently the most expensive (average of $561). 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 RDU to SEA?
Find hourly flight availability from Raleigh 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 26, 2026.
When flying from Raleigh to Seattle, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
What’s the top layover airport for flights from Raleigh to Seattle?
Share of 1-stop round-trip flights from Raleigh to Seattle chosen by Cheapflights users in the past 12 months, using the same layover each way.
Chicago (ORD) – chosen by Cheapflights users on 67% of 1-stop itineraries from Raleigh to Seattle on Cheapflights.
What’s the cheapest layover airport for flights from Raleigh to Seattle?
Average round-trip fare for 1-stop flights from Raleigh to Seattle, chosen by Cheapflights users in the past 12 months, with the same layover each way.
Chicago (ORD) is the most affordable 1-stop option, with an average round-trip price of $236.
What’s the fastest layover option from Raleigh to Seattle?
Shortest average travel time for 1-stop one-way flights from Raleigh to Seattle, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.
Flights via Chicago (ORD) have the shortest average one-way travel time for 1-stop routes: 8h 36m.
Which airport typically offers the quickest layover for flights from Raleigh to Seattle?
Average layover duration for 1-stop one-way flights from Raleigh to Seattle, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via Chicago (ORD) offer the fastest connection on this route, with an average layover time of 1h 20m.
The best insider tips for Raleigh to Seattle flights
AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your Raleigh to Seattle trip
Our travel experts
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 26, 2026.
See what other customers who have flown with Southwest,Alaska Airlines, andDelta from Raleigh to Seattle have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Food
7.0
Crew
8.6
Entertainment
7.5
Boarding
8.1
Comfort
8.0
Overall
8.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Food
7.0
Crew
8.6
Entertainment
7.5
Boarding
8.1
Comfort
8.0
Overall
8.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Food
7.0
Crew
8.6
Entertainment
7.5
Boarding
8.1
Comfort
8.0
Overall
8.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Food
7.0
Crew
8.6
Entertainment
7.5
Boarding
8.1
Comfort
8.0
Overall
8.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Food
7.0
Crew
8.6
Entertainment
7.5
Boarding
8.1
Comfort
8.0
Overall
8.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Food
7.0
Crew
8.6
Entertainment
7.5
Boarding
8.1
Comfort
8.0
Overall
8.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Related info for your journey
Find useful and relevant information for your journey from Raleigh to Seattle. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Seattle?
Book flights to Seattle if you plan to visit one of these locationsSeaTac
Renton
Tacoma
Lacey
Leavenworth
Tukwila
Olympia
Edmonds
Snoqualmie
Lynnwood
Centralia
Puyallup
Kent
Tumwater
Ellensburg
Marysville
Ocean Shores
Lakewood
Fife
Poulsbo
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Search flights from Raleigh to Seattle by cabin class
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Raleigh and Seattle flights
Browse other Raleigh and Seattle flight options. Last updated on August 26, 2026.
Other flights from Raleigh
Browse through other flights departing from Raleigh. Flights are based on user searches made on Cheapflights and were last updated on August 26, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Other flights to Seattle
Explore flights to Seattle departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on August 26, 2026.
Top 8 airlines flying from Raleigh to Seattle
Discover the top 8 airlines that operate flights from Raleigh 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 7,457,451 searches. Data last updated August 26, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$128 | Average$228 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$134 | Average$315 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$171 | Average$295 | FlexibilityNo cancel fee | On-time83% | |
| Cheapest$191 | Average$435 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$207 | Average$449 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$236 | Average$389 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$276 | Average$455 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$287 | Average$481 | FlexibilityNo cancel fee | On-time63% |