$365+ Cheap flights from Seattle to Flagstaff (SEA - FLG)
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 10/31. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — FLG
Jul 13 — Jul 201
Round-trip
1 adult, Economy
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Find cheap flights from Seattle to Flagstaff 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.Cheap flight deals from Seattle to Flagstaff
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Best
Last-minute
One-way
Cheapest flights from Seattle to FlagstaffExplore the most affordable flight options available from Seattle to Flagstaff. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 13, 2026.
Explore the most affordable flight options available from Seattle to Flagstaff. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 13, 2026.
This American Airlines deal was found by Cheapflights users on 6/9. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/176:20 am
SEA
- FLG
1 stop6h 58m
American Airlines
Tue 6/2311:43 am
FLG
- SEA
1 stop5h 55m
American Airlines
Deal found 6/9![American Airlines logo]()
$472
This American Airlines deal was found by Cheapflights users on 6/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/276:10 am
SEA
- FLG
1 stop5h 01m
American Airlines
Sun 8/307:00 am
FLG
- SEA
1 stop7h 28m
American Airlines
Deal found 6/10![American Airlines logo]()
$502
This American Airlines deal was found by Cheapflights users on 6/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/266:20 am
SEA
- FLG
1 stop4h 53m
American Airlines
Tue 6/3010:25 am
FLG
- SEA
1 stop7h 13m
American Airlines
Deal found 6/11![American Airlines logo]()
$507
This American Airlines deal was found by Cheapflights users on 6/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/236:16 am
SEA
- FLG
1 stop7h 04m
American Airlines
Mon 7/271:50 pm
FLG
- SEA
1 stop7h 15m
American Airlines
Deal found 6/11![American Airlines logo]()
$526
This American Airlines deal was found by Cheapflights users on 6/8. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/176:16 am
SEA
- FLG
1 stop4h 52m
American Airlines
Mon 7/201:50 pm
FLG
- SEA
1 stop7h 15m
American Airlines
Deal found 6/8![American Airlines logo]()
$557
This American Airlines deal was found by Cheapflights users on 6/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/246:10 am
SEA
- FLG
1 stop11h 39m
American Airlines
Mon 9/146:49 am
FLG
- SEA
1 stop13h 40m
American Airlines
Deal found 6/11![American Airlines logo]()
$612
This Priceline deal was found by Cheapflights users on 6/9. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/1010:12 am
SEA
- FLG
2 stops9h 44m
Alaska Airlines
Sat 6/1310:25 am
FLG
- SEA
1 stop7h 18m
Alaska Airlines
Deal found 6/9![Alaska Airlines logo]()
$670
This Alaska Airlines deal was found by Cheapflights users on 6/8. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/11:44 pm
SEA
- FLG
1 stop6h 12m
Alaska Airlines
Thu 7/1611:38 am
FLG
- SEA
1 stop7h 28m
Alaska Airlines
Deal found 6/8![Alaska Airlines logo]()
$686
This Priceline deal was found by Cheapflights users on 6/9. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/1711:36 am
SEA
- FLG
2 stops8h 20m
Alaska Airlines
Tue 6/2311:43 am
FLG
- SEA
1 stop7h 23m
Alaska Airlines
Deal found 6/9![Alaska Airlines logo]()
$703
This Alaska Airlines deal was found by Cheapflights users on 6/11. 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.
Fri 7/101:44 pm
SEA
- FLG
1 stop6h 15m
Alaska Airlines
Thu 7/1611:38 am
FLG
- SEA
1 stop7h 28m
Alaska Airlines
Deal found 6/11![Alaska Airlines logo]()
$712
Best flights from Seattle to FlagstaffDiscover carefully curated flight deals from Seattle to Flagstaff that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 13, 2026.
Discover carefully curated flight deals from Seattle to Flagstaff that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 13, 2026.
This American Airlines deal was found by Cheapflights users on 6/8. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/176:16 am
SEA
- FLG
1 stop4h 52m
American Airlines
Mon 7/201:50 pm
FLG
- SEA
1 stop7h 15m
American Airlines
Deal found 6/8![American Airlines logo]()
$557
This Alaska Airlines deal was found by Cheapflights users on 6/8. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/11:44 pm
SEA
- FLG
1 stop6h 12m
Alaska Airlines
Thu 7/1611:38 am
FLG
- SEA
1 stop7h 28m
Alaska Airlines
Deal found 6/8![Alaska Airlines logo]()
$686
This Priceline deal was found by Cheapflights users on 6/9. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/179:59 am
SEA
- FLG
1 stop7h 50m
Alaska Airlines
Thu 8/2711:42 am
FLG
- SEA
1 stop7h 32m
Alaska Airlines
Deal found 6/9![Alaska Airlines logo]()
$712
This American Airlines deal was found by Cheapflights users on 6/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/26:00 am
SEA
- FLG
1 stop5h 13m
American Airlines
Sun 10/111:18 pm
FLG
- SEA
1 stop6h 32m
American Airlines
Deal found 6/10![American Airlines logo]()
$746
This Alaska Airlines deal was found by Cheapflights users on 6/9. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/109:59 am
SEA
- FLG
1 stop7h 50m
Alaska Airlines
Fri 7/1711:38 am
FLG
- SEA
1 stop6h 05m
Alaska Airlines
Deal found 6/9![Alaska Airlines logo]()
$712
This Alaska Airlines deal was found by Cheapflights users on 6/11. 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.
Fri 6/269:59 am
SEA
- FLG
1 stop7h 51m
Alaska Airlines
Tue 6/3011:43 am
FLG
- SEA
1 stop7h 23m
Alaska Airlines
Deal found 6/11![Alaska Airlines logo]()
$717
This Alaska Airlines deal was found by Cheapflights users on 6/11. 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 7/239:59 am
SEA
- FLG
2 stops10h 00m
Alaska Airlines
Mon 7/2711:38 am
FLG
- SEA
1 stop6h 05m
Alaska Airlines
Deal found 6/11![Alaska Airlines logo]()
$722
This Alaska Airlines deal was found by Cheapflights users on 6/11. 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.
Fri 7/1011:36 am
SEA
- FLG
2 stops8h 23m
Alaska Airlines
Thu 7/161:50 pm
FLG
- SEA
2 stops7h 31m
Alaska Airlines
Deal found 6/11![Alaska Airlines logo]()
$727
Last-minute flights from Seattle to FlagstaffDiscover last-minute flight deals from Seattle to Flagstaff. Data last updated June 13, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to Flagstaff. Data last updated June 13, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 6/9. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/176:20 am
SEA
- FLG
1 stop6h 58m
American Airlines
Tue 6/2311:43 am
FLG
- SEA
1 stop5h 55m
American Airlines
Deal found 6/9![American Airlines logo]()
$472
This Expedia deal was found by Cheapflights users on 6/12. 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.
Wed 6/1710:12 am
SEA
- FLG
2 stops9h 44m
Alaska Airlines
Sat 6/206:50 am
FLG
- SEA
1 stop7h 40m
Alaska Airlines
Deal found 6/12![Alaska Airlines logo]()
$670
This Priceline deal was found by Cheapflights users on 6/9. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/1711:36 am
SEA
- FLG
2 stops8h 20m
Alaska Airlines
Tue 6/2311:43 am
FLG
- SEA
1 stop7h 23m
Alaska Airlines
Deal found 6/9![Alaska Airlines logo]()
$703
This American Airlines deal was found by Cheapflights users on 6/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/266:20 am
SEA
- FLG
1 stop4h 53m
American Airlines
Tue 6/3010:25 am
FLG
- SEA
1 stop7h 13m
American Airlines
Deal found 6/11![American Airlines logo]()
$507
This Alaska Airlines deal was found by Cheapflights users on 6/11. 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.
Fri 6/269:59 am
SEA
- FLG
1 stop7h 51m
Alaska Airlines
Tue 6/3011:43 am
FLG
- SEA
1 stop7h 23m
Alaska Airlines
Deal found 6/11![Alaska Airlines logo]()
$717
This Alaska Airlines deal was found by Cheapflights users on 6/8. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/11:44 pm
SEA
- FLG
1 stop6h 12m
Alaska Airlines
Thu 7/1611:38 am
FLG
- SEA
1 stop7h 28m
Alaska Airlines
Deal found 6/8![Alaska Airlines logo]()
$686
This Alaska Airlines deal was found by Cheapflights users on 6/11. 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.
Fri 7/101:44 pm
SEA
- FLG
1 stop6h 15m
Alaska Airlines
Thu 7/1611:38 am
FLG
- SEA
1 stop7h 28m
Alaska Airlines
Deal found 6/11![Alaska Airlines logo]()
$712
This American Airlines deal was found by Cheapflights users on 6/8. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/176:16 am
SEA
- FLG
1 stop4h 52m
American Airlines
Mon 7/201:50 pm
FLG
- SEA
1 stop7h 15m
American Airlines
Deal found 6/8![American Airlines logo]()
$557
This American Airlines deal was found by Cheapflights users on 6/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/236:16 am
SEA
- FLG
1 stop7h 04m
American Airlines
Mon 7/271:50 pm
FLG
- SEA
1 stop7h 15m
American Airlines
Deal found 6/11![American Airlines logo]()
$526
One-way flights from Seattle to FlagstaffSearch for one-way flight options from Seattle to Flagstaff. Find affordable one-way fares based on user searches. Data last updated June 13, 2026.
Search for one-way flight options from Seattle to Flagstaff. Find affordable one-way fares based on user searches. Data last updated June 13, 2026.
This American Airlines deal was found by Cheapflights users on 6/8. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/176:20 am
SEA
- FLG
1 stop6h 58m
American Airlines
Deal found 6/8![American Airlines logo]()
$365
This Priceline deal was found by Cheapflights users on 6/8. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/1711:36 am
SEA
- FLG
2 stops8h 20m
Alaska Airlines
Deal found 6/8![Alaska Airlines logo]()
$371
This Priceline deal was found by Cheapflights users on 6/12. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/251:44 pm
SEA
- FLG
1 stop6h 12m
Alaska Airlines
Deal found 6/12![Alaska Airlines logo]()
$399
This Alaska Airlines deal was found by Cheapflights users on 6/8. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/2311:36 am
SEA
- FLG
2 stops8h 23m
Alaska Airlines
Deal found 6/8![Alaska Airlines logo]()
$405
This Priceline deal was found by Cheapflights users on 6/9. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/1211:36 am
SEA
- FLG
2 stops8h 23m
Alaska Airlines
Deal found 6/9![Alaska Airlines logo]()
$425
This American Airlines deal was found by Cheapflights users on 6/9. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/126:16 am
SEA
- FLG
1 stop13h 43m
American Airlines
Deal found 6/9![American Airlines logo]()
$551
This American Airlines deal was found by Cheapflights users on 6/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/187:11 am
SEA
- FLG
2 stops10h 38m
American Airlines
Deal found 6/11![American Airlines logo]()
$599
This Kiwi.com deal was found by Cheapflights users on 6/12. 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.
Thu 6/259:42 pm
SEA
- FLG
3 stops20h 08m
Multiple Airlines
Deal found 6/12![Multiple Airlines logo]()
$708
This Kiwi.com deal was found by Cheapflights users on 6/11. 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 8/188:11 am
SEA
- FLG
3 stops33h 38m
Multiple Airlines
Deal found 6/11![Multiple Airlines logo]()
$824
Find flight deals from Seattle to Flagstaff
Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Flagstaff (FLG). 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 June 13, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $462 (American Airlines) |
One-way from | $365 (American Airlines) |
Popular in | May |
Cheapest in | August |
Average price | $665 |
Cheapflights Fare Finder
Customize your flight search to find flights from Seattle to Flagstaff 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 2,558,603 searches. Data last updated June 13, 2026.
Use the filters below to find and compare flights from Seattle to Flagstaff that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
SeattleFlagstaff
SEA - FLG
SEAFLG
Seattle/Tacoma Intl
Fri 7/17
6:16 am-11:08 am
1 stop4h 52m
Flagstaff Pulliam
Mon 7/20
1:50 pm-9:05 pm
1 stop7h 15m
$557
SeattleFlagstaff
SEA - FLG
SEAFLG
Seattle/Tacoma Intl
Wed 7/1
1:44 pm-7:56 pm
1 stop6h 12m
Flagstaff Pulliam
Thu 7/16
11:38 am-7:06 pm
1 stop7h 28m
$686
SeattleFlagstaff
SEA - FLG
SEAFLG
Seattle/Tacoma Intl
Mon 8/17
9:59 am-5:49 pm
1 stop7h 50m
Flagstaff Pulliam
Thu 8/27
11:42 am-7:14 pm
1 stop7h 32m
$712
SeattleFlagstaff
SEA - FLG
SEAFLG
Seattle/Tacoma Intl
Fri 7/10
9:59 am-5:49 pm
1 stop7h 50m
Flagstaff Pulliam
Fri 7/17
11:38 am-5:43 pm
1 stop6h 05m
$712
SeattleFlagstaff
SEA - FLG
SEAFLG
Seattle/Tacoma Intl
Fri 6/26
9:59 am-5:50 pm
1 stop7h 51m
Flagstaff Pulliam
Tue 6/30
11:43 am-7:06 pm
1 stop7h 23m
$717
SeattleFlagstaff
SEA - FLG
SEAFLG
Seattle/Tacoma Intl
Thu 7/23
9:59 am-7:59 pm
2 stops10h 00m
Flagstaff Pulliam
Mon 7/27
11:38 am-5:43 pm
1 stop6h 05m
$722
SeattleFlagstaff
SEA - FLG
SEAFLG
Seattle/Tacoma Intl
Fri 7/10
11:36 am-7:59 pm
2 stops8h 23m
Flagstaff Pulliam
Thu 7/16
1:50 pm-9:21 pm
2 stops7h 31m
$727
Quickest round-trip
SeattleFlagstaff
SEA - FLG
SEAFLG
Seattle/Tacoma Intl
Fri 10/2
6:00 am-11:13 am
1 stop5h 13m
Flagstaff Pulliam
Sun 10/11
1:18 pm-7:50 pm
1 stop6h 32m
$746
Cheapest one-way
SeattleFlagstaff
SEA - FLG
SEAFLG
Seattle/Tacoma Intl
Sat 10/31
9:34 am-5:32 pm
1 stop7h 58m
$365
SeattleFlagstaff
SEA - FLG
SEAFLG
Seattle/Tacoma Intl
Tue 8/18
6:10 am-11:11 am
1 stop5h 01m
$365
Showing 1-10 of 17 resultsSorted by cheapest first
Compare providers for flights from Seattle to Flagstaff
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 Seattle to Flagstaff in June.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Seattle-Flagstaff flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Seattle-Flagstaff flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Seattle-Flagstaff flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Seattle-Flagstaff 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 Seattle-Flagstaff 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 Seattle to Flagstaff
Have a flexible travel schedule? Discover the best time to fly to Flagstaff from Seattle with our price prediction graph.
SEA-FLG
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 Seattle to Flagstaff
What is the cheapest month to book a flight from Seattle to Flagstaff?
Currently, August is the cheapest month in which you can book a flight from Seattle to Flagstaff (average of $427). Flying from Seattle to Flagstaff in May is currently the most expensive (average of $1,326). 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.
How much does it cost to fly round-trip from Seattle to Flagstaff?
Reviews of airlines servicing Flagstaff
Get insights into the airlines that provide service to Flagstaff. 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 Flagstaff. Reviews last updated June 13, 2026.
Get a feel of what it's like to fly with Alaska Airlines and American Airlines from Seattle to Flagstaff by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.1
Food
7.0
Comfort
7.8
Crew
8.5
Entertainment
7.0
Overall
7.9
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Boarding
8.1
Food
7.0
Comfort
7.8
Crew
8.5
Entertainment
7.0
Overall
7.9
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Boarding
8.1
Food
7.0
Comfort
7.8
Crew
8.5
Entertainment
7.0
Overall
7.9
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Related info for your journey
Find useful and relevant information for your journey from Seattle to Flagstaff. 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 Flagstaff?
Book flights to Flagstaff if you plan to visit one of these locationsWinslow
Williams
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Seattle and Flagstaff flights
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Top 2 airlines flying from Seattle to Flagstaff
Discover the top 2 airlines that operate flights from Seattle to Flagstaff. 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 2,558,603 searches. Data last updated June 13, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$337 | Average$443 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$405 | Average$535 | FlexibilityNo cancel fee | On-time71% |