Cheap flights from Hilo to St. Louis from $627

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Hilo to St. Louis departing on 1/28. 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
0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
9:55 am - 1:54 pm
ITO
-
STL
23h 59m2 stops
Multiple Airlines Logo
2:50 pm - 5:29 pm
STL
-
ITO
30h 39m2 stops
$627Multiple Airlines
mié., ene. 28 - dom., feb. 1
Multiple Airlines Logo
12:09 pm - 1:54 pm
ITO
-
STL
21h 45m2 stops
Multiple Airlines Logo
2:50 pm - 4:13 pm
STL
-
ITO
29h 23m2 stops
$637Multiple Airlines
mié., ene. 28 - dom., feb. 1

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 diciembre 28, 2025.
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

HiloSt. Louis

ITO - STL

ITOSTL

Hilo Intl

mié. 1/28

9:55 am-1:54 pm

2 stops23h 59m

Lambert-St Louis

dom. 2/1

2:50 pm-5:29 pm

2 stops30h 39m

$627

HiloSt. Louis

ITO - STL

ITOSTL

Hilo Intl

mié. 1/28

12:09 pm-1:54 pm

2 stops21h 45m

Lambert-St Louis

dom. 2/1

2:50 pm-4:13 pm

2 stops29h 23m

$637

HiloSt. Louis

ITO - STL

ITOSTL

Hilo Intl

mar. 1/6

7:44 pm-8:58 pm

2 stops45h 14m

$639

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?

United Airlines is the most popular carrier 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

23h 59m

Direct flights

None
The fastest flight from Hilo to St. Louis takes 23h 59m
There are no direct flights from Hilo to St. Louis. There are no popular flight routes 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 23h 59m.

  • 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
Hermann
Fairview Heights
Maryland Heights
O'Fallon
Florissant
Fenton
Collinsville
St. Peters
Wentzville
Alton
Farmington
Clayton
Glencoe
Eureka
Festus
Edwardsville
Litchfield
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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1 adult
mar. 1/27
mar. 2/3

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