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Cheap flights from Hilo to St. Louis from $299

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Hilo to St. Louis departing on 9/2. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Hilo to St. Louis

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
6:00 am - 11:56 pm
ITO
-
STL
13h 56m
2 stops
Multiple Airlines Logo
7:00 am - 7:11 pm
STL
-
ITO
16h 11m
2 stops
$685Multiple Airlines
Thu, Nov 5 - Mon, Nov 9
Multiple Airlines Logo
8:45 pm - 2:15 pm
ITO
-
STL
13h 30m
2 stops
Multiple Airlines Logo
7:00 am - 2:24 pm
STL
-
ITO
35h 24m
2 stops
$781Multiple Airlines
Tue, Nov 3 - Sat, Nov 7
Multiple Airlines Logo
6:49 pm - 1:52 pm
ITO
-
STL
14h 03m
2 stops
Multiple Airlines Logo
7:56 pm - 9:59 pm
STL
-
ITO
31h 03m
2 stops
$1,034Multiple Airlines
Mon, Jul 20 - Fri, Jul 24
United Airlines Logo
11:27 am - 8:39 am
ITO
-
STL
16h 12m
2 stops
United Airlines Logo
9:06 am - 6:17 pm
STL
-
ITO
14h 11m
3 stops
$1,575United Airlines
Mon, Jul 20 - Fri, Jul 24
United Airlines Logo
8:45 pm - 4:33 pm
ITO
-
STL
14h 48m
3 stops
United Airlines Logo
9:06 am - 6:17 pm
STL
-
ITO
14h 11m
3 stops
$1,900United Airlines
Mon, Jul 20 - Fri, Jul 24

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United Airlines flights from Hilo to St. Louis

Our best United Airlines deals on Hilo to St. Louis flight tickets
United Airlines
Jul 20
ITO11:27 amHilo Intl
16h 12m
2 stops
STL8:39 amLambert-St Louis
Jul 24
STL9:06 amLambert-St Louis
14h 11m
3 stops
ITO6:17 pmHilo Intl
$1,575
United Airlines
Jul 20
ITO8:45 pmHilo Intl
14h 48m
3 stops
STL4:33 pmLambert-St Louis
Jul 24
STL9:06 amLambert-St Louis
14h 11m
3 stops
ITO6:17 pmHilo Intl
$1,900

momondo Fare Finder

 
Customize your flight search to find flights from Hilo to St. Louis 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 July 6, 2026.
Use the filters below to find and compare flights from Hilo to St. Louis that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

HiloSt. Louis

ITO - STL

ITOSTL

Hilo Intl

Thu 11/5

6:00 am-11:56 pm

2 stops13h 56m

Lambert-St Louis

Mon 11/9

7:00 am-7:11 pm

2 stops16h 11m

$685

HiloSt. Louis

ITO - STL

ITOSTL

Hilo Intl

Tue 11/3

8:45 pm-2:15 pm

2 stops13h 30m

Lambert-St Louis

Sat 11/7

7:00 am-2:24 pm

2 stops35h 24m

$781

HiloSt. Louis

ITO - STL

ITOSTL

Hilo Intl

Mon 7/20

6:49 pm-1:52 pm

2 stops14h 03m

Lambert-St Louis

Fri 7/24

7:56 pm-9:59 pm

2 stops31h 03m

$1,034

HiloSt. Louis

ITO - STL

ITOSTL

Hilo Intl

Mon 7/20

11:27 am-8:39 am

2 stops16h 12m

Lambert-St Louis

Fri 7/24

9:06 am-6:17 pm

3 stops14h 11m

$1,575
Quickest round-trip

HiloSt. Louis

ITO - STL

ITOSTL

Hilo Intl

Mon 7/20

8:45 pm-4:33 pm

3 stops14h 48m

Lambert-St Louis

Fri 7/24

9:06 am-6:17 pm

3 stops14h 11m

$1,900
Cheapest one-way
Quickest one-way

HiloSt. Louis

ITO - STL

ITOSTL

Hilo Intl

Wed 9/2

2:57 pm-9:24 am

2 stops13h 27m

$299

HiloSt. Louis

ITO - STL

ITOSTL

Hilo Intl

Wed 9/2

6:49 pm-11:59 pm

3 stops24h 10m

$801

HiloSt. Louis

ITO - STL

ITOSTL

Hilo Intl

Wed 9/2

8:28 am-11:59 pm

2 stops34h 31m

$964

HiloSt. Louis

ITO - STL

ITOSTL

Hilo Intl

Wed 9/2

7:44 pm-4:34 pm

3 stops15h 50m

$1,907

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to St. Louis from

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

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 airline that flies from Hilo Intl to Lambert-St Louis?

American Airlines and United Airlines are the most popular carriers operating from Hilo Intl to Lambert-St Louis

When to book flights from Hilo to St. Louis

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

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

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

Fastest flight time

13h 30m

Direct flights

None
The fastest flight from Hilo to St. Louis takes 13h 30m
There are no direct flights from Hilo to St. Louis. There are no popular flight routes from Hilo to St. Louis.
Search flight deals

Frequently asked questions about flying from Hilo to St. Louis

  • How far is Hilo Intl to Lambert-St Louis by plane?

    The distance between Hilo Intl and Lambert-St Louis is about 4037.9 mi. In terms of flight time, this usually takes a little over 13h 30m.

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

    Prices for flights from Hilo Intl Airport to Lambert-St Louis Airport refresh daily.

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

  • What documentation or ID do you need to fly to Lambert-St Louis Airport?

    The travel and health documents required for your trip to Lambert-St Louis 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 Lambert-St Louis Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Traveling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
St. Charles
Chesterfield
Fairview Heights
Hermann
Maryland Heights
Florissant
O'Fallon
St. Peters
Collinsville
Alton
Fenton
Farmington
Wentzville
Clayton
Festus
Eureka
Litchfield
Edwardsville
Grafton
Shrewsbury

Why use momondo?

Why should I use momondo to find a flight deal from Hilo to St. Louis?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Hilo to St. Louis. momondo saves you time and could save you money on your trip.

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

Flights from Hilo to St. Louis with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

Once all potential Hilo to St. Louis flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Hilo to St. Louis right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to St. Louis from Hilo. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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