$107+ Cheap flights from Raleigh to Seattle (RDU - SEA)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/21. Fares are subject to change and may not be available on all flights or dates of travel.
RDU — SEA
Oct 10 — Oct 171
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 September 10, 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 September 10, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/9. 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 10/245:19 pm -
1 stop24h 53m
Fri 10/304:27 pm -
1 stop20h 52m
Deal found 9/9![Frontier logo]()
$276
This Kiwi.com deal was found by Cheapflights users on 9/8. 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 -
1 stop23h 51m
Tue 11/38:09 pm -
2 stops18h 29m
Deal found 9/8![Frontier logo]()
$277
This Kiwi.com deal was found by Cheapflights users on 9/9. 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
Fri 10/304:27 pm -
1 stop20h 52m
Deal found 9/9![Frontier logo]()
$281
This Kiwi.com deal was found by Cheapflights users on 9/9. 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 10/191:16 pm -
2 stops32h 29m
Fri 10/304:27 pm -
1 stop20h 52m
Deal found 9/9![Frontier logo]()
$292
This Alaska Airlines deal was found by Cheapflights users on 9/4. 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.
Mon 11/237:00 am -
Nonstop6h 05m
Thu 12/38:30 am -
Nonstop5h 05m
Deal found 9/4![Alaska Airlines logo]()
$297
This Southwest deal was found by Cheapflights users on 9/4. 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.
Mon 10/197:05 am -
1 stop14h 05m
Fri 10/2312:10 am -
2 stops10h 25m
Deal found 9/4![Southwest logo]()
$298
This Expedia deal was found by Cheapflights users on 9/7. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/306:44 pm -
Nonstop5h 49m
Sun 11/18:48 pm -
1 stop18h 01m
Deal found 9/7![Alaska Airlines logo]()
$300
This Kiwi.com deal was found by Cheapflights users on 9/8. 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 -
1 stop23h 51m
Fri 11/64:27 pm -
1 stop20h 52m
Deal found 9/8![Frontier logo]()
$301
This Southwest deal was found by Cheapflights users on 9/7. 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.
Sat 11/710:10 am -
2 stops13h 20m
Fri 11/1312:15 am -
2 stops16h 05m
Deal found 9/7![Southwest logo]()
$303
This Kiwi.com deal was found by Cheapflights users on 9/8. 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 -
1 stop23h 51m
Sun 11/18:09 pm -
2 stops19h 30m
Deal found 9/8![Frontier logo]()
$304
This Kiwi.com deal was found by Cheapflights users on 9/8. 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 -
1 stop23h 51m
Sat 10/314:27 pm -
2 stops22h 35m
Deal found 9/8![Multiple Airlines logo]()
$306
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 September 10, 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 September 10, 2026.
This Southwest deal was found by Cheapflights users on 9/7. 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 12/26:50 pm -
1 stop7h 40m
Sun 12/69:10 am -
2 stops9h 25m
Deal found 9/7![Southwest logo]()
$347
This Delta deal was found by Cheapflights users on 9/6. 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 10/136:30 am -
Nonstop5h 57m
Sun 10/183:55 pm -
Nonstop5h 03m
Deal found 9/6![Delta logo]()
$357
This United Airlines deal was found by Cheapflights users on 9/4. 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.
Sat 10/310:20 am -
2 stops13h 55m
Wed 10/711:14 pm -
1 stop7h 20m
Deal found 9/4![United Airlines logo]()
$372
This Delta deal was found by Cheapflights users on 9/7. 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 10/56:15 am -
Nonstop5h 43m
Mon 10/1211:50 pm -
1 stop7h 52m
Deal found 9/7![Delta logo]()
$367
This United Airlines deal was found by Cheapflights users on 9/7. 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.
Fri 12/46:00 am -
2 stops13h 18m
Tue 12/85:24 pm -
1 stop11h 07m
Deal found 9/7![United Airlines logo]()
$372
This Southwest deal was found by Cheapflights users on 9/8. 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.
Tue 10/64:40 pm -
1 stop10h 15m
Mon 10/1212:10 am -
1 stop7h 45m
Deal found 9/8![Southwest logo]()
$393
This Delta deal was found by Cheapflights users on 9/4. 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
Mon 10/123:55 pm -
Nonstop5h 03m
Deal found 9/4![Delta logo]()
$368
This United Airlines deal was found by Cheapflights users on 9/4. 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.
Wed 10/72:56 pm -
1 stop9h 59m
Tue 10/1311:14 pm -
2 stops10h 45m
Deal found 9/4![United Airlines logo]()
$372
This United Airlines deal was found by Cheapflights users on 9/5. 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.
Wed 10/286:00 am -
2 stops12h 32m
Sun 11/17:00 am -
1 stop7h 41m
Deal found 9/5![United Airlines logo]()
$372
This United Airlines deal was found by Cheapflights users on 9/8. 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.
Thu 11/124:54 pm -
1 stop8h 57m
Mon 11/1611:59 pm -
1 stop8h 10m
Deal found 9/8![United Airlines logo]()
$388
This United Airlines deal was found by Cheapflights users on 9/8. 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 10/66:05 am -
1 stop8h 22m
Tue 11/106:30 am -
1 stop7h 39m
Deal found 9/8![United Airlines logo]()
$393
Last-minute flights from Raleigh to SeattleDiscover last-minute flight deals from Raleigh to Seattle. Data last updated September 10, 2026 and is based on user searches.
Discover last-minute flight deals from Raleigh to Seattle. Data last updated September 10, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 9/8. 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 -
1 stop23h 51m
Tue 11/38:09 pm -
2 stops18h 29m
Deal found 9/8![Frontier logo]()
$277
This Kiwi.com deal was found by Cheapflights users on 9/8. 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 -
1 stop23h 51m
Fri 11/64:27 pm -
1 stop20h 52m
Deal found 9/8![Frontier logo]()
$301
This Kiwi.com deal was found by Cheapflights users on 9/8. 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 -
1 stop23h 51m
Sun 11/18:09 pm -
2 stops19h 30m
Deal found 9/8![Frontier logo]()
$304
This Kiwi.com deal was found by Cheapflights users on 9/8. 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 -
1 stop23h 51m
Sat 10/314:27 pm -
2 stops22h 35m
Deal found 9/8![Multiple Airlines logo]()
$306
This Delta deal was found by Cheapflights users on 9/7. 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 10/56:56 pm -
1 stop7h 59m
Tue 10/63:55 pm -
Nonstop5h 03m
Deal found 9/7![Delta logo]()
$307
This Delta deal was found by Cheapflights users on 9/5. 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 10/136:30 am -
Nonstop5h 57m
Wed 10/143:55 pm -
Nonstop5h 03m
Deal found 9/5![Delta logo]()
$297
This Kiwi.com deal was found by Cheapflights users on 9/9. 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 10/191:16 pm -
2 stops32h 29m
Fri 10/304:27 pm -
1 stop20h 52m
Deal found 9/9![Frontier logo]()
$292
This Southwest deal was found by Cheapflights users on 9/4. 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.
Mon 10/197:05 am -
1 stop14h 05m
Fri 10/2312:10 am -
2 stops10h 25m
Deal found 9/4![Southwest logo]()
$298
This Kiwi.com deal was found by Cheapflights users on 9/9. 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
Fri 10/304:27 pm -
1 stop20h 52m
Deal found 9/9![Frontier logo]()
$281
This Kiwi.com deal was found by Cheapflights users on 9/9. 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 10/245:19 pm -
1 stop24h 53m
Fri 10/304:27 pm -
1 stop20h 52m
Deal found 9/9![Frontier logo]()
$276
This Expedia deal was found by Cheapflights users on 9/7. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/306:44 pm -
Nonstop5h 49m
Sun 11/18:48 pm -
1 stop18h 01m
Deal found 9/7![Alaska Airlines logo]()
$300
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 September 10, 2026.
Search for one-way flight options from Raleigh to Seattle. Find affordable one-way fares based on user searches. Data last updated September 10, 2026.
This Super.com deal was found by Cheapflights users on 9/4. 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 Super.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
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/4![Frontier logo]()
$107
This Kiwi.com deal was found by Cheapflights users on 9/5. 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 11/34:20 pm -
2 stops25h 52m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![Frontier logo]()
$114
This Kiwi.com deal was found by Cheapflights users on 9/4. 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 10/61:56 pm -
2 stops28h 12m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/4![Frontier logo]()
$118
This Kiwi.com deal was found by Cheapflights users on 9/7. 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 10/236:30 am -
2 stops35h 42m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![Frontier logo]()
$119
This Kiwi.com deal was found by Cheapflights users on 9/6. 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 10/191:16 pm -
2 stops28h 56m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![Frontier logo]()
$120
This Kiwi.com deal was found by Cheapflights users on 9/9. 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 10/3010:12 am -
2 stops32h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Frontier logo]()
$124
This Southwest deal was found by Cheapflights users on 9/7. 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.
Mon 10/57:20 pm -
1 stop8h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![Southwest logo]()
$129
This Kiwi.com deal was found by Cheapflights users on 9/8. 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 12/84:05 pm -
2 stops27h 01m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Frontier logo]()
$130
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 September 10, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $276 (Kiwi.com) |
One-way from | $107 (Super.com) |
Popular in | July |
Cheapest in | February |
Average price | $430 |
Good round-trip deal | $418 or less |
Good one-way deal | $258 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 September 10, 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
Mon 10/5
4:20 pm-12:40 am
2 stops11h 20m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$134
Quickest round-trip
RaleighSeattle
RDU Raleigh-Durham - SEA Seattle/Tacoma Intl
RDUSEA
Raleigh-Durham
Thu 10/1
6:15 am-8:58 am
Nonstop5h 43m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$149
RaleighSeattle
RDU Raleigh-Durham - SEA Seattle/Tacoma Intl
RDUSEA
Raleigh-Durham
Wed 11/4
6:52 pm-9:54 pm
Nonstop6h 02m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$149
RaleighSeattle
RDU Raleigh-Durham - SEA Seattle/Tacoma Intl
RDUSEA
Raleigh-Durham
Tue 11/3
6:30 am-9:27 am
Nonstop5h 57m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$149
RaleighSeattle
RDU Raleigh-Durham - SEA Seattle/Tacoma Intl
RDUSEA
Raleigh-Durham
Fri 10/23
6:30 am-9:27 am
Nonstop5h 57m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$149
RaleighSeattle
RDU Raleigh-Durham - SEA Seattle/Tacoma Intl
RDUSEA
Raleigh-Durham
Fri 12/4
6:45 am-10:01 am
Nonstop6h 16m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$149
RaleighSeattle
RDU Raleigh-Durham - SEA Seattle/Tacoma Intl
RDUSEA
Raleigh-Durham
Mon 11/23
4:54 pm-10:51 pm
1 stop8h 57m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$154
RaleighSeattle
RDU Raleigh-Durham - SEA Seattle/Tacoma Intl
RDUSEA
Raleigh-Durham
Sun 10/4
6:00 am-10:39 am
1 stop7h 39m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$159
RaleighSeattle
RDU Raleigh-Durham - SEA Seattle/Tacoma Intl
RDUSEA
Raleigh-Durham
Sat 11/7
7:13 am-3:21 pm
1 stop11h 08m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$159
RaleighSeattle
RDU Raleigh-Durham - SEA Seattle/Tacoma Intl
RDUSEA
Raleigh-Durham
Fri 11/6
4:54 pm-10:51 pm
1 stop8h 57m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$209
Showing 1-10 of 23 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 September.
| 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 September 10, 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 September 10, 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.
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Overall
8.0
Crew
8.6
Food
7.0
Reviews
1 / 20
4.0
OkaySteven,Sep 2026
OGG - HNL
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Overall
8.0
Crew
8.6
Food
7.0
Reviews
1 / 20
4.0
OkaySteven,Sep 2026
OGG - HNL
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Overall
8.0
Crew
8.6
Food
7.0
Reviews
1 / 20
4.0
OkaySteven,Sep 2026
OGG - HNL
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Overall
8.0
Crew
8.6
Food
7.0
Reviews
1 / 20
4.0
OkaySteven,Sep 2026
OGG - HNL
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Overall
8.0
Crew
8.6
Food
7.0
Reviews
1 / 20
4.0
OkaySteven,Sep 2026
OGG - HNL
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Overall
8.0
Crew
8.6
Food
7.0
Reviews
1 / 20
4.0
OkaySteven,Sep 2026
OGG - HNL
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
Olympia
Tukwila
Edmonds
Snoqualmie
Puyallup
Lynnwood
Centralia
Kent
Tumwater
Ellensburg
Issaquah
Marysville
Ocean Shores
Lakewood
Fife
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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 September 10, 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 September 10, 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 September 10, 2026.
Top 7 airlines flying from Raleigh to Seattle
Discover the top 7 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 September 10, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$134 | Average$316 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$171 | Average$295 | FlexibilityNo cancel fee | On-time83% | |
| Cheapest$190 | Average$439 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$207 | Average$454 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$236 | Average$394 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$276 | Average$462 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$287 | Average$476 | FlexibilityNo cancel fee | On-time63% |