What are the cheapest airlines flying from Sioux Falls to Spokane round-trip?

According to our current data, Delta ($275), American Airlines ($300), and United Airlines ($331) offers the cheapest pricing from Sioux Falls to Spokane. Delta is currently priced 39% below the average price you’ll pay for this route.

What is the cheapest day to fly from Sioux Falls to Spokane?

Travelers seeking maximum savings on their Sioux Falls to Spokane flight should consider departing on Friday evenings when fares are most often at their lowest. Wednesday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

In terms of precipitation, rainfall in Spokane ranges from 0.6 - 2.3 inches per month. November is typically the wettest month, when rainfall can reach 2.3 in. July is typically the driest time to visit Spokane when rainfall is around 0.6 in.

If weather is an important factor for your trip to Spokane, 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 69.8 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 26.6 F).

What is the cheapest day to fly round-trip from Sioux Falls to Spokane?

Flights from Sioux Falls to Spokane are found to be more expensive on Saturday. This shouldn't discourage you from searching as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Spokane.

What is the cheapest month to fly from Sioux Falls to Spokane?

Due to multiple factors, expect to potentially pay more when booking in January. For low rates, March can be a great choice for travel to Spokane. Flights to Spokane from Sioux Falls in March are about $452 on average during March, but can be found for as low as $131.

Can I find deals for flights from Sioux Falls to Spokane that include hotel bookings?

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

How can I find direct flights from Sioux Falls to Spokane?

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

Can I find deals for business class flights from Sioux Falls to Spokane?

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

$255+ Flights from Sioux Falls to Spokane

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Cheap flight deals from Sioux Falls to Spokane

Round-trip from	$275 (Delta)
Popular in	January
Cheapest in	March
Average price	$552

From Sioux Falls Joe Foss Field to Spokane

Search Deals

Highest demand for flights based on searches. 25% potential increase in price ($156 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 9% potential price decrease ($38 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in July 2025

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Find flight deals from Sioux Falls to Spokane

Cheapest flights from Sioux Falls to Spokane
Explore the most affordable flight options available from Sioux Falls to Spokane. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 31, 2025.

Wed 11/195:30 amFSD - GEG

1 stop9h 02mAmerican Airlines

Sun 11/231:14 pmGEG - FSD

1 stop8h 45mAmerican Airlines

Deal found 7/29

$255

Sat 9/2710:48 amFSD - GEG

2 stops9h 52mDelta

Wed 10/16:10 amGEG - FSD

1 stop5h 41mDelta

Deal found 7/30

$275

Wed 11/198:47 amFSD - GEG

1 stop5h 58mUnited Airlines

Sat 11/221:47 pmGEG - FSD

1 stop7h 57mUnited Airlines

Deal found 7/29

$296

Best flights from Sioux Falls to Spokane
Discover carefully curated flight deals from Sioux Falls to Spokane that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 31, 2025.

Sat 9/2710:48 amFSD - GEG

2 stops9h 52mDelta

Wed 10/16:10 amGEG - FSD

1 stop5h 41mDelta

Deal found 7/30

$275

Thu 10/165:07 pmFSD - GEG

1 stop6h 42mAmerican Airlines

Tue 10/211:12 pmGEG - FSD

1 stop7h 30mAmerican Airlines

Deal found 7/29

$300

Tue 9/239:16 amFSD - GEG

1 stop5h 20mUnited Airlines

Sat 9/271:38 pmGEG - FSD

1 stop4h 43mUnited Airlines

Deal found 7/29

$331

Last-minute flights from Sioux Falls to Spokane
Discover last-minute flight deals from Sioux Falls to Spokane. Data last updated July 31, 2025 and is based on user searches.

Mon 8/46:16 pmFSD - GEG

1 stop6h 56mDelta

Mon 8/116:50 amGEG - FSD

1 stop5h 00mDelta

Deal found 7/29

$614

Fri 8/85:10 pmFSD - GEG

1 stop5h 53mUnited Airlines

Sun 8/105:15 amGEG - FSD

1 stop15h 51mUnited Airlines

Deal found 7/31

$617

Fri 8/83:16 pmFSD - GEG

2 stops10h 22mDelta

Sun 8/106:50 amGEG - FSD

1 stop5h 46mDelta

Deal found 7/31

$719

Tue 8/125:15 pmFSD - GEG

1 stop7h 40mAmerican Airlines

Fri 8/153:10 pmGEG - FSD

1 stop20h 55mAmerican Airlines

Deal found 7/29

$512

Tue 8/127:55 amFSD - GEG

2 stops11h 28mUnited Airlines

Fri 8/155:15 amGEG - FSD

1 stop27h 27mUnited Airlines

Deal found 7/29

$558

Fly from

Fly to

Route

Depart

Return

Price

Sioux FallsSpokane

FSD - GEG

FSDGEG

Sioux Falls Joe Foss Field

Sat 9/27

10:48 am-6:40 pm

2 stops9h 52m

Spokane

Wed 10/1

6:10 am-1:51 pm

1 stop5h 41m

$275

Sioux FallsSpokane

FSD - GEG

FSDGEG

Sioux Falls Joe Foss Field

Thu 10/16

5:07 pm-9:49 pm

1 stop6h 42m

Spokane

Tue 10/21

1:12 pm-10:42 pm

1 stop7h 30m

$300

Sioux FallsSpokane

FSD - GEG

FSDGEG

Sioux Falls Joe Foss Field

Tue 9/23

9:16 am-12:36 pm

1 stop5h 20m

Spokane

Sat 9/27

1:38 pm-8:21 pm

1 stop4h 43m

$331

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/30

Best time to book a flight from Sioux Falls to Spokane

Have a flexible travel schedule? Discover the best time to fly to Spokane from Sioux 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.

Cheapflights Insights

Everything you need to know about your flight from Sioux Falls to Spokane

What is the cheapest month to book a flight from Sioux Falls to Spokane?

Currently, January is the cheapest month in which you can book a flight from Sioux Falls to Spokane (average of $326). Flying from Sioux Falls to Spokane in March is currently the most expensive (average of $452). 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 FSD to GEG?

Unlike in the morning, when flights are generally more expensive, you can save up to 45% on flights from Sioux Falls to Spokane by exploring options for tickets in the evening.

Reviews of airlines servicing Spokane

Peruse reviews from past customers who have flown with Delta, United Airlines, and American Airlines from Sioux Falls to Spokane to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

7,981 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Delta

8.0

Very good

7,981 reviews

Delta

8.0

Very good

7,981 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

United Airlines

7.4

Good

8,900 reviews

Delta

8.0

Very good

7,981 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

American Airlines

7.2

Good

10,000 reviews

Delta

8.0

Very good

7,981 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

What are the cheapest airlines flying from Sioux Falls to Spokane round-trip?
According to our current data, Delta ($275), American Airlines ($300), and United Airlines ($331) offers the cheapest pricing from Sioux Falls to Spokane. Delta is currently priced 39% below the average price you’ll pay for this route.
Can I find deals for flights from Sioux Falls to Spokane that include hotel bookings?
Yes. In addition to deals on Sioux Falls to Spokane flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Sioux Falls to Spokane?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Sioux Falls to Spokane.
Can I find deals for business class flights from Sioux Falls to Spokane?
Yes. Cheapflights offers flight deals from Sioux Falls to Spokane 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 Sioux Falls to Spokane?
Currently, January is the cheapest month in which you can book a flight from Sioux Falls to Spokane (average of $326). Flying from Sioux Falls to Spokane in March is currently the most expensive (average of $452). 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.

See more FAQs

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Top 2 airlines flying from Sioux Falls to Spokane

Airline	Cheapest	Average	Flexibility	On-time
Delta	Cheapest$218	Average$353	FlexibilityNo cancel fee	On-timeN/A
United Airlines	Cheapest$318	Average$571	FlexibilityNo cancel fee	On-time69%

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$255+ Cheap flights from Sioux Falls to Spokane (FSD - GEG)

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 11/19. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Sioux Falls to Spokane with Cheapflights

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2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Sioux Falls to Spokane

Round-trip from

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Cheapest in

Average price

Find flight deals from Sioux Falls to Spokane

Cheapest flights from Sioux Falls to SpokaneExplore the most affordable flight options available from Sioux Falls to Spokane. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 31, 2025.

Explore the most affordable flight options available from Sioux Falls to Spokane. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 31, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Sioux Falls to Spokane that are best for you.

Best time to book a flight from Sioux Falls to Spokane

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

Cheapflights Insights

Everything you need to know about your flight from Sioux Falls to Spokane

What is the cheapest month to book a flight from Sioux Falls to Spokane?

What is the cheapest time of day to fly from FSD to GEG?

Find hourly flight availability from Sioux Falls to Spokane. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 31, 2025.

Reviews of airlines servicing Spokane

Peruse reviews from past customers who have flown with Delta, United Airlines, and American Airlines from Sioux Falls to Spokane to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

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

What are the cheapest airlines flying from Sioux Falls to Spokane round-trip?

Can I find deals for flights from Sioux Falls to Spokane that include hotel bookings?

How can I find direct flights from Sioux Falls to Spokane?

Can I find deals for business class flights from Sioux Falls to Spokane?

What is the cheapest month to book a flight from Sioux Falls to Spokane?

Traveling to a place near Spokane?

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Alternative routes for Sioux Falls to Spokane

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Top 2 airlines flying from Sioux Falls to Spokane

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Cheapest flights from Sioux Falls to Spokane
Explore the most affordable flight options available from Sioux Falls to Spokane. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 31, 2025.