Cheap flights from New Hampshire to St. Louis from $100
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from New Hampshire to St. Louis departing on 5/12. 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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United Airlines flights from New Hampshire to St. Louis
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American Airlines flights from New Hampshire to St. Louis
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How to get the cheapest flight ticket from New Hampshire 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 month to fly to St. Louis?
In general, September is the cheapest month to fly from New Hampshire to St. Louis. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $371. The month of August is another great option to travel to St. Louis, with average flight prices from New Hampshire averaging around $391.
What is the cheapest day to depart on your flight to St. Louis?
The cheapest day to depart on your flight to St. Louis is on a Tuesday when prices can be found for as low as $421. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $523. These prices are subject to change though, so be sure to set up a Price Alert for flights to St. Louis.
What is the cheapest time of day to depart on your flight to St. Louis?
Flying to St. Louis from New Hampshire in the evening is the least expensive time of day to depart. momondo users have found prices as low as $422 when looking at flights departing in the evening. At noon is when there is more demand to fly to St. Louis, so prices are often more expensive at around $454 per ticket.
How far in advance should I book a flight to St. Louis?
You are more likely to see cheaper flights to St. Louis from New Hampshire when booking 9 weeks ahead of your departure date. In general, you can expect to find flights to St. Louis for around $432 when searching 9 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to St. Louis from New Hampshire for as low as $378 on momondo.
Cheap New Hampshire to St. Louis flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from New Hampshire to St. Louis
When did momondo last update prices for flights from New Hampshire to Lambert-St Louis Airport?
Prices for flights from New Hampshire to Lambert-St Louis Airport are refreshed on a daily basis.
How many operators does momondo search for flights from New Hampshire to Lambert-St Louis Airport?
The number of operators available for flights from New Hampshire to Lambert-St Louis Airport is 6 as of April 2025.
How old do you have to be to fly from New Hampshire to Lambert-St Louis Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from New Hampshire 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.
Best airlines flying from New Hampshire to St. Louis
Compare and see reviews for airlines that fly from New Hampshire to St. Louis with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $252 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $264 | Free Cancellation | Rating 8.0 4,295 reviews |
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Why should I use momondo to find a flight deal from New Hampshire to St. Louis?
momondo collates all your flight options in one place and lets you filter them to find the perfect flight from New Hampshire to St. Louis. momondo saves you time and could save you money on your trip.
Can I find flights from New Hampshire to St. Louis with flexible booking policies on momondo?
Yes. momondo enables you to select and highlight flights to St. Louis from New Hampshire with this policy.
How can momondo help me find flights from New Hampshire to St. Louis?
momondo helps you find the best flight between New Hampshire and St. Louis by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.
I’m not ready to book a flight from New Hampshire to St. Louis right now. Can momondo alert me if prices change?
Yes. momondo can track prices for New Hampshire to St. Louis flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.