Cheap flights from St. Louis to Hilo from $434

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to Hilo departing on 10/13. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from St. Louis to Hilo (STL-ITO)

Cheap round-trip flights

Alaska Airlines Logo
6:30 pm - 10:17 pmSTL-ITO
32h 47m2 stops
Alaska Airlines Logo
9:00 pm - 5:34 pmITO-STL
15h 34m2 stops
$550Alaska Airlines
Find Deal
Mon, Sep 22 - Wed, Oct 1
Alaska Airlines Logo
6:30 pm - 10:17 pmSTL-ITO
32h 47m2 stops
Alaska Airlines Logo
9:00 pm - 5:34 pmITO-STL
15h 34m2 stops
$580Alaska Airlines
Find Deal
Mon, Sep 22 - Wed, Oct 1
Alaska Airlines Logo
6:33 am - 10:19 pmSTL-ITO
20h 46m2 stops
Alaska Airlines Logo
7:49 pm - 12:03 amITO-STL
23h 14m2 stops
$587Alaska Airlines
Find Deal
Tue, Oct 14 - Mon, Oct 20
Alaska Airlines Logo
7:00 am - 8:30 pmSTL-ITO
17h 30m2 stops
Alaska Airlines Logo
6:44 pm - 2:27 pmITO-STL
15h 43m2 stops
$588Alaska Airlines
Find Deal
Thu, Dec 4 - Mon, Dec 8
Alaska Airlines Logo
6:30 pm - 5:39 pmSTL-ITO
28h 09m2 stops
Alaska Airlines Logo
9:00 pm - 5:34 pmITO-STL
15h 34m2 stops
$606Alaska Airlines
Find Deal
Mon, Sep 22 - Tue, Sep 23
Alaska Airlines Logo
6:33 am - 7:20 pmSTL-ITO
17h 47m2 stops
Alaska Airlines Logo
9:00 pm - 12:03 amITO-STL
22h 03m2 stops
$623Alaska Airlines
Find Deal
Tue, Oct 14 - Mon, Oct 20
Alaska Airlines Logo
3:57 pm - 10:19 pmSTL-ITO
35h 22m2 stops
Alaska Airlines Logo
9:00 pm - 12:03 amITO-STL
22h 03m2 stops
$664Alaska Airlines
Find Deal
Tue, Oct 14 - Mon, Oct 20
Alaska Airlines Logo
6:33 am - 10:19 pmSTL-ITO
20h 46m2 stops
Alaska Airlines Logo
6:55 pm - 12:03 amITO-STL
24h 08m2 stops
$667Alaska Airlines
Find Deal
Tue, Oct 14 - Mon, Oct 20
United Airlines Logo
5:49 pm - 5:39 pmSTL-ITO
28h 50m2 stops
United Airlines Logo
6:00 am - 6:57 pmITO-STL
31h 57m3 stops
$889United Airlines
Find Deal
Mon, Sep 22 - Wed, Oct 1
United Airlines Logo
6:15 am - 8:06 amSTL-ITO
30h 51m2 stops
United Airlines Logo
6:00 am - 10:00 pmITO-STL
35h 00m3 stops
$903United Airlines
Find Deal
Tue, Oct 14 - Mon, Oct 20

Alaska Airlines flights from St. Louis to Hilo

Our best Alaska Airlines deals on St. Louis to Hilo flight tickets
Alaska Airlines
Sep 22
STL6:30 pmLambert-St Louis
32h 47m
2 stops
ITO10:17 pmHilo Intl
Oct 1
ITO9:00 pmHilo Intl
15h 34m
2 stops
STL5:34 pmLambert-St Louis
Alaska Airlines
Sep 22
STL6:30 pmLambert-St Louis
32h 47m
2 stops
ITO10:17 pmHilo Intl
Oct 1
ITO9:00 pmHilo Intl
15h 34m
2 stops
STL5:34 pmLambert-St Louis
Alaska Airlines
Oct 14
STL6:33 amLambert-St Louis
20h 46m
2 stops
ITO10:19 pmHilo Intl
Oct 20
ITO7:49 pmHilo Intl
23h 14m
2 stops
STL12:03 amLambert-St Louis

United Airlines flights from St. Louis to Hilo

Our best United Airlines deals on St. Louis to Hilo flight tickets
United Airlines
Sep 22
STL5:49 pmLambert-St Louis
28h 50m
2 stops
ITO5:39 pmHilo Intl
Oct 1
ITO6:00 amHilo Intl
31h 57m
3 stops
STL6:57 pmLambert-St Louis
United Airlines
Oct 14
STL6:15 amLambert-St Louis
30h 51m
2 stops
ITO8:06 amHilo Intl
Oct 20
ITO6:00 amHilo Intl
35h 00m
3 stops
STL10:00 pmLambert-St Louis
United Airlines
Sep 22
STL5:49 pmLambert-St Louis
28h 50m
2 stops
ITO5:39 pmHilo Intl
Oct 1
ITO8:36 amHilo Intl
32h 24m
3 stops
STL10:00 pmLambert-St Louis

momondo Fare Finder

 
Customize your flight search to find flights from St. Louis to Hilo 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, momondo users made 832,500 searches. Data last updated September 1, 2025.
Use the filters below to find and compare flights from St. Louis to Hilo that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

St. LouisHilo

STL - ITO

STLITO

Lambert-St Louis

Mon 9/22

6:30 pm-10:17 pm

2 stops32h 47m

Hilo Intl

Wed 10/1

9:00 pm-5:34 pm

2 stops15h 34m

$550

St. LouisHilo

STL - ITO

STLITO

Lambert-St Louis

Mon 9/22

6:30 pm-10:17 pm

2 stops32h 47m

Hilo Intl

Wed 10/1

9:00 pm-5:34 pm

2 stops15h 34m

$580

St. LouisHilo

STL - ITO

STLITO

Lambert-St Louis

Tue 10/14

6:33 am-10:19 pm

2 stops20h 46m

Hilo Intl

Mon 10/20

7:49 pm-12:03 am

2 stops23h 14m

$587

St. LouisHilo

STL - ITO

STLITO

Lambert-St Louis

Thu 12/4

7:00 am-8:30 pm

2 stops17h 30m

Hilo Intl

Mon 12/8

6:44 pm-2:27 pm

2 stops15h 43m

$588

St. LouisHilo

STL - ITO

STLITO

Lambert-St Louis

Mon 9/22

6:30 pm-5:39 pm

2 stops28h 09m

Hilo Intl

Tue 9/23

9:00 pm-5:34 pm

2 stops15h 34m

$606

St. LouisHilo

STL - ITO

STLITO

Lambert-St Louis

Tue 10/14

6:33 am-7:20 pm

2 stops17h 47m

Hilo Intl

Mon 10/20

9:00 pm-12:03 am

2 stops22h 03m

$623

St. LouisHilo

STL - ITO

STLITO

Lambert-St Louis

Tue 10/14

3:57 pm-10:19 pm

2 stops35h 22m

Hilo Intl

Mon 10/20

9:00 pm-12:03 am

2 stops22h 03m

$664

St. LouisHilo

STL - ITO

STLITO

Lambert-St Louis

Tue 10/14

6:33 am-10:19 pm

2 stops20h 46m

Hilo Intl

Mon 10/20

6:55 pm-12:03 am

2 stops24h 08m

$667

St. LouisHilo

STL - ITO

STLITO

Lambert-St Louis

Mon 9/22

5:49 pm-5:39 pm

2 stops28h 50m

Hilo Intl

Wed 10/1

6:00 am-6:57 pm

3 stops31h 57m

$889

St. LouisHilo

STL - ITO

STLITO

Lambert-St Louis

Tue 10/14

6:15 am-8:06 am

2 stops30h 51m

Hilo Intl

Mon 10/20

6:00 am-10:00 pm

3 stops35h 00m

$903

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 resultsSorted by cheapest first
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See travel insights to Hilo from

How to get the cheapest flight ticket from St. Louis to Hilo

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to Hilo?

The cheapest day to depart from St. Louis to Hilo is on a Monday. Travelers who choose to depart for Hilo on a Monday will often find tickets for as low as $1,111. Flights from St. Louis to Hilo on a Thursday will generally be more expensive and average around $1,347. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

When to book flights from St. Louis to Hilo

Are you open to changing your travel dates? Check out the ideal times to fly from St. Louis to Hilo according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap St. Louis to Hilo (STL to ITO) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from St. Louis to Hilo

Direct flights

None
There are no direct flights from St. Louis to Hilo. There are no popular flight routes from St. Louis to Hilo.
  • How far is Lambert-St Louis to Hilo Intl by plane?

    Lambert-St Louis and Hilo Intl are 4037.9 mi apart from one another. Flights usually cover this in 15h 20m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Lambert-St Louis Airport to Hilo Intl Airport?

    Prices for flights from Lambert-St Louis Airport to Hilo Intl Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Lambert-St Louis Airport to Hilo Intl Airport?

  • How old do you have to be to fly from Lambert-St Louis Airport to Hilo Intl Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Lambert-St Louis Airport to Hilo Intl Airport.

  • What documentation or ID do you need to fly to Hilo Intl Airport?

    The travel and health documents required for your trip to Hilo Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Hilo Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular airline from St. Louis to Hilo?

Best airlines flying from St. Louis to Hilo

Compare and see reviews for airlines that fly from St. Louis to Hilo with momondo
Airline
Rating
Free Cancellation
Price
Alaska AirlinesPriceFrom $520Free CancellationRating
8.0
10,000 reviews
Search Alaska Airlines flights

Traveling to a place near Hilo?

Book flights to Hilo if you plan to visit one of these locations
Mountain View

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To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Hilo from St. Louis.

Can I find flights from St. Louis to Hilo with flexible booking policies on momondo?

All flight searches from St. Louis to Hilo on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from St. Louis to Hilo?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from St. Louis to Hilo.

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1 adult
Sat 9/6
Sat 9/13

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