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$88+ Cheap flights from Idaho Falls to Seattle (IDA - 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 2/4. Fares are subject to change and may not be available on all flights or dates of travel.
IDA — SEA
Dec 28 — Jan 41
Sat 12/28
Sat 1/4
1 adult, Economy
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The best prices from Idaho Falls Fanning Field to Seattle/Tacoma Intl are usually found in October or April, booked 27 days in advance, depart on a Wednesday or Tuesday and return on a Wednesday

Cheap flight deals from Idaho Falls to Seattle

Discover tips and strategies to find the most affordable flight options for your journey from Idaho Falls (IDA) 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 December 23, 2024.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$196
(Delta)

One-way from

$88
(Delta)

Popular in

August

Cheapest in

October

Average price

$333
Provider with most accurate pricing for Idaho Falls Fanning Field-Seattle/Tacoma Intl flight deals.
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Provider most trusted by Cheapflights users for Idaho Falls Fanning Field-Seattle/Tacoma Intl flights.
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From Idaho Falls Fanning Field to Seattle/Tacoma Intl
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One-way flight from Idaho Falls Fanning Field to Seattle/Tacoma Intl
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High demand for flights, 11% potential price rise
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Best time to find cheap flights, 1% potential price drop
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Average for round-trip flights in December 2024
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Find flight deals from Idaho Falls to Seattle

Cheapest flights from Idaho Falls to Seattle
Explore the most affordable flight options available from Idaho Falls to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 23, 2024.

This Delta deal was found by Cheapflights users on 12/22. 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.
Mon 12/306:00 amIDA - SEA
1 stop4h 45mDelta
Thu 1/25:05 pmSEA - IDA
1 stop4h 21mDelta
Deal found 12/22$416
This Alaska Airlines deal was found by Cheapflights users on 12/21. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/223:34 pmIDA - SEA
Nonstop1h 57mAlaska Airlines
Sat 12/289:15 pmSEA - IDA
Nonstop1h 44mAlaska Airlines
Deal found 12/21$467
This Mytrip deal was found by Cheapflights users on 12/22. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/304:27 pmIDA - SEA
2 stops19h 08mMultiple Airlines
Thu 1/29:21 pmSEA - IDA
1 stop15h 12mMultiple Airlines
Deal found 12/22$705
This United Airlines deal was found by Cheapflights users on 12/22. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/307:00 amIDA - SEA
2 stops29h 30mUnited Airlines
Thu 1/23:11 pmSEA - IDA
2 stops24h 49mUnited Airlines
Deal found 12/22$855

Find flights from Idaho Falls to Seattle within your budget

Customize your flight search to find flights from Idaho Falls 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 2,558,603 searches. Data last updated December 23, 2024.

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Price

Idaho FallsSeattle

IDA - SEA

IDASEA

Idaho Falls Fanning Field

Wed 2/12

6:58 pm-12:50 am

1 stop6h 52m

Seattle/Tacoma Intl

Fri 2/21

5:05 pm-10:44 pm

1 stop4h 39m

$196

Idaho FallsSeattle

IDA - SEA

IDASEA

Idaho Falls Fanning Field

Fri 1/24

4:04 pm-4:56 pm

Nonstop1h 52m

Seattle/Tacoma Intl

Mon 1/27

7:55 pm-10:33 pm

Nonstop1h 38m

$248

Idaho FallsSeattle

IDA - SEA

IDASEA

Idaho Falls Fanning Field

Fri 1/24

5:50 pm-10:30 pm

2 stops29h 40m

Seattle/Tacoma Intl

Mon 1/27

3:25 pm-3:18 pm

2 stops22h 53m

$467

Idaho FallsSeattle

IDA - SEA

IDASEA

Idaho Falls Fanning Field

Tue 2/4

6:58 pm-12:50 am

1 stop6h 52m

$88

Idaho FallsSeattle

IDA - SEA

IDASEA

Idaho Falls Fanning Field

Fri 3/14

4:07 pm-5:00 pm

Nonstop1h 53m

$99

Idaho FallsSeattle

IDA - SEA

IDASEA

Idaho Falls Fanning Field

Tue 2/4

4:20 pm-11:20 am

2 stops20h 00m

$278

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/22

Compare providers for flights from Idaho Falls 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 Idaho Falls to Seattle in December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
CheapTicketsDealPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Idaho Falls-Seattle flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Idaho Falls-Seattle flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Idaho Falls-Seattle flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Idaho Falls-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 Idaho Falls-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 Idaho Falls to Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle from Idaho Falls with our price prediction graph.
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.

Travel insights for flights from Idaho Falls to Seattle

Get recent, data-driven insights about flights from Idaho Falls to Seattle including ideal travel times, pricing trends, and more.

How far ahead should I book a flight from Idaho Falls to Seattle?

Use this chart to determine the optimal time to book a round-trip flight from Idaho Falls to Seattle. Price data was last updated on December 20, 2024.

The best time to book flights from Idaho Falls to Seattle is 27 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Idaho Falls to Seattle?

Currently, January is the cheapest month in which you can book a flight from Idaho Falls to Seattle (average of $238). Flying from Idaho Falls to Seattle in July is currently the most expensive (average of $411). 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 IDA to SEA?

Find hourly flight availability from Idaho Falls 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 December 23, 2024.

A simple way to save on the total cost of your ticket is to fly from Idaho Falls to Seattle in the evening. If you’re flexible enough to do this you can expect to save up to 29% on your trip compared to booking a flight at noon.

Rainfall in Seattle by month

Plan your trip to Seattle by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Seattle ranges from 0.7 - 6.6 inches per month. November is typically the wettest month, when rainfall can reach 6.6 in. July is typically the driest time to visit Seattle when rainfall is around 0.7 in.

Temperature in Seattle by month

Plan your trip to Seattle by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Seattle, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 66.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 41.0 F).

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 December 23, 2024.
Read reviews from past customers who have flown Delta, Alaska Airlines and United Airlines from Idaho Falls to Seattle. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,549 reviews

Food

7.2

Overall

8.0

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.1

Reviews

1 / 10

How do online staff who book reservations get a passenger’s birthdate wrong

Alaska Airlines
8.0
Very good
9,549 reviews
Alaska Airlines
8.0
Very good
9,549 reviews

Food

7.2

Overall

8.0

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.1

Reviews

1 / 10

How do online staff who book reservations get a passenger’s birthdate wrong

Delta
8.0
Very good
8,588 reviews
Alaska Airlines
8.0
Very good
9,549 reviews

Food

7.2

Overall

8.0

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.1

Reviews

1 / 10

How do online staff who book reservations get a passenger’s birthdate wrong

United Airlines
7.4
Good
9,020 reviews
Alaska Airlines
8.0
Very good
9,549 reviews

Food

7.2

Overall

8.0

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.1

Reviews

1 / 10

How do online staff who book reservations get a passenger’s birthdate wrong

Related info for your journey

Find useful and relevant information for your journey from Idaho Falls to Seattle. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airports do I use to fly from Idaho Falls to Seattle?

    Seattle/Tacoma Intl is the airport most travelers will use when flying to Seattle from Idaho Falls Fanning Field. Booking flights from Fanning Field (IDA) to Seattle/Tacoma Intl (SEA) should be relatively easy as there are 4 daily flights to Seattle from 2 different airlines. 4h 30m is how long a flight from Idaho Falls to Seattle/Tacoma Intl will take if you book a nonstop flight.

  • How popular is this Idaho Falls to Seattle flight route?

    The Idaho Falls Fanning Field to Seattle/Tacoma Intl flight path was viewed by 24 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • What are the cheapest airlines flying from Idaho Falls to Seattle round-trip?

    Delta, at $196, was found to be the cheapest airline from Idaho Falls to Seattle.Alternate airlines to your destination round-trip include Alaska Airlines and United Airlines. You may be able to fly from Idaho Falls to Seattle for 38% less than the average price by searching for these airlines.

  • What are the cheapest airlines to fly from Idaho Falls to Seattle one-way?

    One-way options have recently been found by users for as low as $88 on Delta. Other airlines that offer cheap prices include Alaska Airlines from $99 and United Airlines from $278 one-way.

  • What are the most reliable airlines from Idaho Falls to Seattle?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Idaho Falls to Seattle on time: Alaska Airlines (81%), Horizon Air (81%), Hawaiian Airlines (80%).

  • What are the cheapest flights from Idaho Falls to Seattle?

    Looking for the cheapest flight from Idaho Falls to Seattle? While on average our users pay $761, our data indicates the cheapest price to be $120. The most popular route (Idaho Falls Fanning Field - Seattle/Tacoma Intl), is priced around $196.

  • Can I find deals for flights from Idaho Falls to Seattle that include hotel bookings?

    Yes. In addition to deals on Idaho Falls to Seattle flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Idaho Falls to Seattle?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Idaho Falls to Seattle.

  • Can I find deals for business class flights from Idaho Falls to Seattle?

    Yes. Cheapflights offers flight deals from Idaho Falls to Seattle by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Idaho Falls to Seattle?

    Currently, January is the cheapest month in which you can book a flight from Idaho Falls to Seattle (average of $238). Flying from Idaho Falls to Seattle in July is currently the most expensive (average of $411). 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.

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Top 2 airlines flying from Idaho Falls to Seattle

Discover the top 2 airlines that operate flights from Idaho Falls 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 2,558,603 searches. Data last updated December 23, 2024.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$192Average$309FlexibilityNo cancel feeOn-time75%
DeltaCheapest$196Average$452FlexibilityNo cancel feeOn-timeN/A
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