$159 Cheap Flights from Houston (IAH) to Duluth (DLH)

View $159 flight on Tue, Jan 13, 2026Opens in a new window

Popular airlines from George Bush Intercontinental Airport (IAH) to Duluth, MN (DLH-Duluth Intl.)

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Cheap Flights from Houston to Duluth (IAH-DLH)

Prices were available within the past 7 days and start at $159 for one-way flights and $248 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Wed, Jan 21 - Wed, Feb 4
IAH
Houston
DLH
Duluth
$248 Roundtrip, found 1 hour ago
$248
Roundtrip
found 1 hour ago
Select Delta flight, departing Wed, Jan 21 from Houston to Duluth, returning Wed, Feb 4, priced at $248 found 1 hour ago
United
Wed, Jan 21 - Wed, Feb 4
IAH
Houston
DLH
Duluth
$248 Roundtrip, found 1 hour ago
$248
Roundtrip
found 1 hour ago
Select United flight, departing Wed, Jan 21 from Houston to Duluth, returning Wed, Feb 4, priced at $248 found 1 hour ago
Delta
Fri, Nov 14 - Sun, Nov 16
IAH
Houston
DLH
Duluth
$254 Roundtrip, found 11 hours ago
$254
Roundtrip
found 11 hours ago
Select Delta flight, departing Fri, Nov 14 from Houston to Duluth, returning Sun, Nov 16, priced at $254 found 11 hours ago
Delta
Thu, Feb 5 - Sat, Feb 21
IAH
Houston
DLH
Duluth
$259 Roundtrip, found 2 days ago
$259
Roundtrip
found 2 days ago
Select Delta flight, departing Thu, Feb 5 from Houston to Duluth, returning Sat, Feb 21, priced at $259 found 2 days ago
Delta
Wed, Apr 15 - Tue, Apr 28
IAH
Houston
DLH
Duluth
$263 Roundtrip, found 2 days ago
$263
Roundtrip
found 2 days ago
Select Delta flight, departing Wed, Apr 15 from Houston to Duluth, returning Tue, Apr 28, priced at $263 found 2 days ago
Delta
Fri, Feb 6 - Wed, Feb 18
IAH
Houston
DLH
Duluth
$269 Roundtrip, found 2 days ago
$269
Roundtrip
found 2 days ago
Select Delta flight, departing Fri, Feb 6 from Houston to Duluth, returning Wed, Feb 18, priced at $269 found 2 days ago
Delta
Fri, Feb 6 - Sat, Feb 21
IAH
Houston
DLH
Duluth
$274 Roundtrip, found 2 days ago
$274
Roundtrip
found 2 days ago
Select Delta flight, departing Fri, Feb 6 from Houston to Duluth, returning Sat, Feb 21, priced at $274 found 2 days ago
United
Wed, Jan 21 - Wed, Feb 4
IAH
Houston
DLH
Duluth
$283 Roundtrip, found 1 hour ago
$283
Roundtrip
found 1 hour ago
Select United flight, departing Wed, Jan 21 from Houston to Duluth, returning Wed, Feb 4, priced at $283 found 1 hour ago
Delta
Thu, Jan 1 - Sat, Jan 10
IAH
Houston
DLH
Duluth
$289 Roundtrip, found 4 days ago
$289
Roundtrip
found 4 days ago
Select Delta flight, departing Thu, Jan 1 from Houston to Duluth, returning Sat, Jan 10, priced at $289 found 4 days ago
United
Sat, Feb 14 - Wed, Feb 18
IAH
Houston
DLH
Duluth
$289 Roundtrip, found 4 days ago
$289
Roundtrip
found 4 days ago
Select United flight, departing Sat, Feb 14 from Houston to Duluth, returning Wed, Feb 18, priced at $289 found 4 days ago

Alternative airports near Duluth

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Duluth Intl. DLH. Cheapest and Closest option available. Average driving time to city center is 11 minutes. Flights from $343
DLH
Duluth Intl.
CheapestClosest
Average driving time to city center11 min
Flights from $343

Frequently asked questions

How much does a flight from George Bush Intercontinental Airport (IAH) to Duluth Intl. Airport (DLH) cost?
Snag a cheap one-way flight from $159 or cheap return flight from $248 from George Bush Intercontinental Airport (IAH) to Duluth Intl. Airport (DLH) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from George Bush Intercontinental Airport (IAH) to Duluth Intl. Airport (DLH)?
January is the cheapest month to fly from IAH to DLH. Timing your trip outside of the busy season is often the key to better flight prices.
What is the cheapest airline that flies from George Bush Intercontinental Airport (IAH) to Duluth Intl. Airport (DLH)?
Expedia's filter tool lets you easily compare different airlines, flight durations and fares all in one place. Customize the search to your preferences, then sort by "Price (lowest to highest)" to find the carrier with the cheapest IAH to DLH flight.
How many flights per day from George Bush Intercontinental Airport (IAH) to Duluth Intl. Airport (DLH)?
There aren't any daily nonstop flights departing from George Bush Intercontinental Airport (IAH) to Duluth Intl. Airport (DLH). But you can opt for flights with layovers. Filter your search on Expedia to include one or more stops, and you'll be on your way before you know it.
What day of the week has the most flights from IAH to DLH?
Friday is typically the busiest day for flights, while Tuesday is often the quietest.* Keep in mind that flight schedules can change depending on a number of factors, including the time of year and airline.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from George Bush Intercontinental Airport (IAH) to Duluth Intl. Airport (DLH)?
To avoid possible delays on the George Bush Intercontinental Airport (IAH) to Duluth Intl. Airport (DLH) route, fly before 3 PM. Later departures have a 22% higher chance of cancellation.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from George Bush Intercontinental Airport (IAH) to Duluth Intl. Airport (DLH) last-minute?
Last-minute fares from IAH to DLH are typically more expensive. For the lowest prices, start looking for flights well ahead of time. That said, if you can play around with your travel dates, it's possible to land a cheap fare right before your trip.
Is it cheaper to book an IAH to DLH flight and hotel package?
Securing an IAH to DLH flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your trip all in one place. Select from our wide range of accommodations and then add flights, car rentals and activities to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from George Bush Intercontinental Airport (IAH) to Duluth Intl. Airport (DLH)?
It's usually possible to reschedule or cancel your IAH to DLH flight. However, if the booking was made more than 24 hours ago, additional fees may apply. Check your airline's policies in your itinerary to see what changes are possible and if any costs are involved. You'll also find more details on our Customer Service portal.

Travel information

Travel information

Origin airport
George Bush Intercontinental
Destination airport
Duluth Intl.
Airlines serving
Delta, United
Roundtrip price
$248
Distance
1176 mi

Book with confidence

Book with confidence

Houston to Duluth Flights

The cheapest times to fly from Houston to Duluth

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Houston to Duluth are during the month of January. You can find some of the cheapest flights from Houston to Duluth with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Houston to Duluth

Sunday is one of the best days to book for cheap flights from Houston to Duluth: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Houston to Duluth

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Houston to Duluth in 2025. You can also book with separate airlines for your outbound and return journeys, from $159 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Houston to Duluth flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Houston to Duluth airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Houston to Duluth Flights

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Explore a world of travel with Expedia

*Available to One Key members.