$152+ Cheap flights from Seattle to Idaho Falls (SEA - IDA)
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 11/24. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — IDA
Nov 24 — Dec 11
Round-trip
1 adult, Economy
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Find cheap flights from Seattle to Idaho Falls 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 Idaho Falls
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Best
Last-minute
One-way
Cheapest flights from Seattle to Idaho FallsExplore the most affordable flight options available from Seattle to Idaho Falls. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 25, 2026.
Explore the most affordable flight options available from Seattle to Idaho Falls. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 25, 2026.
This Alaska Airlines deal was found by Cheapflights users on 10/23. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/212:12 pm -
Nonstop1h 55m
Sat 12/53:44 pm -
1 stop3h 50m
Deal found 10/23![Alaska Airlines logo]()
$307
This Expedia deal was found by Cheapflights users on 10/21. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/188:56 pm -
Nonstop1h 49m
Wed 12/236:00 am -
Nonstop2h 20m
Deal found 10/21![Alaska Airlines logo]()
$337
This Priceline deal was found by Cheapflights users on 10/21. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1212:30 pm -
Nonstop1h 48m
Sun 11/156:04 am -
Nonstop2h 16m
Deal found 10/21![Alaska Airlines logo]()
$377
This Alaska Airlines deal was found by Cheapflights users on 10/22. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/248:05 pm -
Nonstop1h 52m
Sat 11/286:02 am -
Nonstop2h 18m
Deal found 10/22![Alaska Airlines logo]()
$387
This Alaska Airlines deal was found by Cheapflights users on 10/22. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/612:30 pm -
Nonstop1h 48m
Tue 11/101:53 pm -
Nonstop2h 04m
Deal found 10/22![Alaska Airlines logo]()
$427
This Delta deal was found by Cheapflights users on 10/22. 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 11/245:35 am -
1 stop5h 40m
Sat 11/281:11 pm -
1 stop4h 42m
Deal found 10/22![Delta logo]()
$468
This Alaska Airlines deal was found by Cheapflights users on 10/22. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1212:30 pm -
Nonstop1h 48m
Fri 11/136:04 am -
Nonstop2h 16m
Deal found 10/22![Alaska Airlines logo]()
$477
Best flights from Seattle to Idaho FallsDiscover carefully curated flight deals from Seattle to Idaho Falls that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 25, 2026.
Discover carefully curated flight deals from Seattle to Idaho Falls that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 25, 2026.
This Alaska Airlines deal was found by Cheapflights users on 10/23. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/27:38 am -
1 stop4h 39m
Sat 12/53:44 pm -
1 stop3h 50m
Deal found 10/23![Alaska Airlines logo]()
$317
This Delta deal was found by Cheapflights users on 10/25. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/145:45 am -
1 stop5h 42m
Sat 3/206:00 am -
1 stop7h 24m
Deal found 10/25![Delta logo]()
$397
This Alaska Airlines deal was found by Cheapflights users on 10/24. 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.
Sun 2/147:55 pm -
Nonstop1h 44m
Sat 2/206:15 am -
Nonstop1h 56m
Deal found 10/24![Alaska Airlines logo]()
$337
This Alaska Airlines deal was found by Cheapflights users on 10/23. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/137:55 pm -
Nonstop1h 44m
Thu 2/186:15 am -
Nonstop1h 56m
Deal found 10/23![Alaska Airlines logo]()
$377
This Alaska Airlines deal was found by Cheapflights users on 10/22. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/147:55 pm -
Nonstop1h 44m
Sun 4/184:03 pm -
Nonstop1h 57m
Deal found 10/22![Alaska Airlines logo]()
$377
This Delta deal was found by Cheapflights users on 10/22. 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 11/245:35 am -
1 stop5h 40m
Sat 11/281:11 pm -
1 stop4h 42m
Deal found 10/22![Delta logo]()
$468
This Alaska Airlines deal was found by Cheapflights users on 10/23. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 1/38:56 pm -
Nonstop1h 49m
Fri 1/153:58 pm -
1 stop23h 59m
Deal found 10/23![Alaska Airlines logo]()
$420
This Alaska Airlines deal was found by Cheapflights users on 10/25. 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.
Sun 3/1412:48 pm -
Nonstop1h 41m
Sat 3/204:03 pm -
Nonstop1h 57m
Deal found 10/25![Alaska Airlines logo]()
$427
Last-minute flights from Seattle to Idaho FallsDiscover last-minute flight deals from Seattle to Idaho Falls. Data last updated October 25, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to Idaho Falls. Data last updated October 25, 2026 and is based on user searches.
This Alaska Airlines deal was found by Cheapflights users on 10/22. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/612:30 pm -
Nonstop1h 48m
Tue 11/101:53 pm -
Nonstop2h 04m
Deal found 10/22![Alaska Airlines logo]()
$427
This Alaska Airlines deal was found by Cheapflights users on 10/23. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/78:45 am -
1 stop3h 31m
Sun 11/86:04 am -
Nonstop2h 16m
Deal found 10/23![Alaska Airlines logo]()
$487
This Delta deal was found by Cheapflights users on 10/23. 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.
Sat 11/75:30 am -
1 stop5h 52m
Sun 11/86:56 pm -
1 stop6h 03m
Deal found 10/23![Delta logo]()
$493
This Priceline deal was found by Cheapflights users on 10/21. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1212:30 pm -
Nonstop1h 48m
Sun 11/156:04 am -
Nonstop2h 16m
Deal found 10/21![Alaska Airlines logo]()
$377
This Alaska Airlines deal was found by Cheapflights users on 10/22. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1212:30 pm -
Nonstop1h 48m
Fri 11/136:04 am -
Nonstop2h 16m
Deal found 10/22![Alaska Airlines logo]()
$477
This Expedia deal was found by Cheapflights users on 10/22. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/207:23 am -
1 stop4h 55m
Fri 11/276:02 am -
Nonstop2h 18m
Deal found 10/22![Alaska Airlines logo]()
$480
This Alaska Airlines deal was found by Cheapflights users on 10/22. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/248:05 pm -
Nonstop1h 52m
Sat 11/286:02 am -
Nonstop2h 18m
Deal found 10/22![Alaska Airlines logo]()
$387
This Delta deal was found by Cheapflights users on 10/22. 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 11/245:35 am -
1 stop5h 40m
Sat 11/281:11 pm -
1 stop4h 42m
Deal found 10/22![Delta logo]()
$468
One-way flights from Seattle to Idaho FallsSearch for one-way flight options from Seattle to Idaho Falls. Find affordable one-way fares based on user searches. Data last updated October 25, 2026.
Search for one-way flight options from Seattle to Idaho Falls. Find affordable one-way fares based on user searches. Data last updated October 25, 2026.
This Kiwi.com deal was found by Cheapflights users on 10/21. 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.
Tue 11/249:53 pm -
1 stop12h 53m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![Multiple Airlines logo]()
$152
This Kiwi.com deal was found by Cheapflights users on 10/22. 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 12/226:25 pm -
1 stop19h 57m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/22![Multiple Airlines logo]()
$163
This Priceline deal was found by Cheapflights users on 10/22. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/238:56 pm -
Nonstop1h 49m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/22![Alaska Airlines logo]()
$179
This WAYA deal was found by Cheapflights users on 10/25. 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 WAYA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/237:15 am -
1 stop7h 07m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/25![Multiple Airlines logo]()
$227
This SmartFares deal was found by Cheapflights users on 10/24. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/267:26 am -
1 stop4h 49m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/24![Alaska Airlines logo]()
$229
This Priceline deal was found by Cheapflights users on 10/23. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/278:56 pm -
Nonstop1h 49m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/23![Alaska Airlines logo]()
$239
This Alaska Airlines deal was found by Cheapflights users on 10/22. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/68:05 pm -
Nonstop1h 49m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/22![Alaska Airlines logo]()
$264
This Orbitz deal was found by Cheapflights users on 10/22. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/228:56 pm -
Nonstop1h 49m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/22![Alaska Airlines logo]()
$284
Find flight deals from Seattle to Idaho Falls
Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Idaho Falls (IDA). 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 October 25, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $297 (Alaska Airlines) |
One-way from | $152 (Kiwi.com) |
Popular in | March |
Cheapest in | February |
Average price | $357 |
Good round-trip deal | $357 or less |
Good one-way deal | $228 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Seattle to Idaho Falls 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 October 25, 2026.
Use the filters below to find and compare flights from Seattle to Idaho Falls that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
SeattleIdaho Falls
SEA Seattle/Tacoma Intl - IDA Idaho Falls Fanning Field
SEAIDA
Seattle/Tacoma Intl
Tue 12/22
6:25 pm-3:22 pm
1 stop19h 57m
Idaho Falls Fanning Field
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$163
SeattleIdaho Falls
SEA Seattle/Tacoma Intl - IDA Idaho Falls Fanning Field
SEAIDA
Seattle/Tacoma Intl
Tue 11/24
10:18 am-11:46 am
2 stops24h 28m
Idaho Falls Fanning Field
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$177
SeattleIdaho Falls
SEA Seattle/Tacoma Intl - IDA Idaho Falls Fanning Field
SEAIDA
Seattle/Tacoma Intl
Wed 12/23
8:56 pm-11:45 pm
Nonstop1h 49m
Idaho Falls Fanning Field
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$179
SeattleIdaho Falls
SEA Seattle/Tacoma Intl - IDA Idaho Falls Fanning Field
SEAIDA
Seattle/Tacoma Intl
Sat 12/26
7:26 am-1:15 pm
1 stop4h 49m
Idaho Falls Fanning Field
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$229
Quickest round-trip
SeattleIdaho Falls
SEA Seattle/Tacoma Intl - IDA Idaho Falls Fanning Field
SEAIDA
Seattle/Tacoma Intl
Sat 11/7
12:30 pm-3:18 pm
Nonstop1h 48m
Idaho Falls Fanning Field
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$264
SeattleIdaho Falls
SEA Seattle/Tacoma Intl - IDA Idaho Falls Fanning Field
SEAIDA
Seattle/Tacoma Intl
Fri 11/6
8:05 pm-10:54 pm
Nonstop1h 49m
Idaho Falls Fanning Field
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$264
SeattleIdaho Falls
SEA Seattle/Tacoma Intl - IDA Idaho Falls Fanning Field
SEAIDA
Seattle/Tacoma Intl
Mon 11/9
8:45 am-1:16 pm
1 stop3h 31m
Idaho Falls Fanning Field
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$274
SeattleIdaho Falls
SEA Seattle/Tacoma Intl - IDA Idaho Falls Fanning Field
SEAIDA
Seattle/Tacoma Intl
Wed 12/23
6:25 pm-10:35 am
3 stops39h 10m
Idaho Falls Fanning Field
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$284
SeattleIdaho Falls
SEA Seattle/Tacoma Intl - IDA Idaho Falls Fanning Field
SEAIDA
Seattle/Tacoma Intl
Tue 12/22
8:56 pm-11:45 pm
Nonstop1h 49m
Idaho Falls Fanning Field
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$284
SeattleIdaho Falls
SEA Seattle/Tacoma Intl - IDA Idaho Falls Fanning Field
SEAIDA
Seattle/Tacoma Intl
Wed 12/2
7:38 am-1:17 pm
1 stop4h 39m
Idaho Falls Fanning Field
Sat 12/5
3:44 pm-6:34 pm
1 stop3h 50m
$317
Showing 1-10 of 17 resultsSorted by cheapest first
Compare providers for flights from Seattle to Idaho Falls
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 Idaho Falls in October.
| 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 |
- Most accurate provider: When it comes to deals on Seattle-Idaho Falls flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Seattle-Idaho Falls flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Seattle-Idaho Falls flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Seattle-Idaho Falls 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-Idaho Falls 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 Idaho Falls
Have a flexible travel schedule? Discover the best time to fly to Idaho Falls from Seattle with our price prediction graph.
SEA-IDA
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 Idaho Falls
What is the cheapest month to book a flight from Seattle to Idaho Falls?
Currently, February is the cheapest month in which you can book a flight from Seattle to Idaho Falls (average of $227). Flying from Seattle to Idaho Falls in March is currently the most expensive (average of $547). 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 SEA to IDA?
Find hourly flight availability from Seattle to Idaho Falls. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 25, 2026.
Unlike in the morning, when flights are generally more expensive, you can save up to 21% on flights from Seattle to Idaho Falls by exploring options for tickets at noon.
Reviews of airlines servicing Idaho Falls
Get insights into the airlines that provide service to Idaho Falls. 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 Idaho Falls. Reviews last updated October 25, 2026.
See what other customers who have flown with Alaska Airlines from Seattle to Idaho Falls have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.5
Comfort
7.8
Entertainment
7.0
Boarding
8.1
Food
7.0
Overall
7.9
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Crew
8.5
Comfort
7.8
Entertainment
7.0
Boarding
8.1
Food
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 Idaho Falls. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
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Complete your trip
Complete your trip to Idaho Falls by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Seattle to Idaho Falls by cabin class
Find flights from Seattle to Idaho Falls, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Other flights to Idaho Falls
Explore flights to Idaho Falls departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on October 25, 2026.
Seattle and Idaho Falls flights
Browse other Seattle and Idaho Falls flight options. Last updated on October 25, 2026.
Other flights from Seattle
Browse through other flights departing from Seattle. Flights are based on user searches made on Cheapflights and were last updated on October 25, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top airline flying from Seattle to Idaho Falls
Discover the top airline that operate flights from Seattle to Idaho Falls. 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 October 25, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$177 | Average$372 | FlexibilityNo cancel fee | On-time75% |