$28 Cheap Flights to Underwood, WA

View $28 flight on Sat, Aug 8, 2026Opens in a new window

Popular airlines to Underwood

  • Be in the know

    Get alerts if flight prices drop or rise*

  • Book smarter

    Save up to 30% on select hotels after you book a flight*

  • Earn twice

    Earn your airline miles on top of our OneKeyCash
    Learn about One Key

How much is the cheapest flight to Underwood?

Prices were available within the past 7 days and start at $28 for one-way flights and $104 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Thu, May 21 - Sat, May 23
LAX
Los Angeles
PDX
Portland
$104 Roundtrip, just found
$104
Roundtrip
just found
Select Frontier Airlines flight, departing Thu, May 21 from Los Angeles to Portland, returning Sat, May 23, priced at $104 just found
Southwest Airlines
Tue, Aug 11 - Sat, Aug 15
LAX
Los Angeles
PDX
Portland
$164 Roundtrip, found 7 hours ago
$164
Roundtrip
found 7 hours ago
Select Southwest Airlines flight, departing Tue, Aug 11 from Los Angeles to Portland, returning Sat, Aug 15, priced at $164 found 7 hours ago
Delta
Tue, Jun 9 - Wed, Jun 10
ONT
Ontario
PDX
Portland
$175 Roundtrip, found 1 hour ago
$175
Roundtrip
found 1 hour ago
Select Delta flight, departing Tue, Jun 9 from Ontario to Portland, returning Wed, Jun 10, priced at $175 found 1 hour ago
United
Wed, Jun 3 - Tue, Jun 9
ONT
Ontario
PDX
Portland
$175 Roundtrip, just found
$175
Roundtrip
just found
Select United flight, departing Wed, Jun 3 from Ontario to Portland, returning Tue, Jun 9, priced at $175 just found
Alaska Airlines
Sat, May 16 - Tue, May 19
BOI
Boise
PDX
Portland
$177 Roundtrip, found 1 hour ago
$177
Roundtrip
found 1 hour ago
Select Alaska Airlines flight, departing Sat, May 16 from Boise to Portland, returning Tue, May 19, priced at $177 found 1 hour ago

Find the cheapest month to fly from Columbus (CMH) to Seattle (SEA)

April is typically the cheapest month to fly

From $166 - $303 per traveler.

Frequently asked questions

What month is the cheapest to fly to Underwood?
Plan your trip for May if you're looking for a good price on your fare. It's the cheapest month to fly to Underwood. If possible, avoid traveling during peak periods such as school vacation time or public holidays.
Which US cities have the cheapest flights to Underwood?
Typically, Portland, Anchorage and Phoenix have cheap flights to Underwood. However, being flexible is always key to landing the best deals. Book during low season or midweek to keep costs to a minimum.
Which US cities fly direct to Underwood?
There are 83 US destinations where you can fly to Underwood directly from. Explore your options by selecting the "Direct flights only" box on Expedia and choose the ideal departure point for your trip. Here are several of the major cities to leave from:

  • Portland
  • Anchorage
  • Phoenix
  • Los Angeles
  • Spokane

How to find a cheap flight to Underwood?
Jetting off in the low season and booking early are two easy ways to get cheap flights to Underwood. Or, consider flying on a Thursday, which, on average, is 16% cheaper than leaving on a Sunday.* Want to be the first to know when fares drop? Simply set up price tracking on the Expedia app for real-time updates.*Best day of the week to book, depart and ideal booking window recommendations based on average round-trip ticket prices for January through August 2023, sourced from Airline Reporting Corporation's (ARC) global airline sales database. Percentages noted are averages.
How to get a cheap last-minute flight to Underwood?
Although booking in advance is typically the easiest way to save cash, don't panic if your Underwood vacation is last minute. You can still find cheap flights to Underwood, especially if your plans have some flexibility. Try changing your dates, looking at different ticket types or flying out of another hub.
How far in advance should I book a flight to Underwood?
To snap up some of the biggest savings on domestic journeys, book your flight to Underwood 28 days ahead of your travel dates. For international flights, search for your ticket between two and four months in advance. This increases your chances of locking in your preferred departure dates, times and seats.**Best day of the week to book, depart and ideal booking window recommendations based on average round-trip ticket prices for January through August 2023, sourced from Airline Reporting Corporation's (ARC) global airline sales database. Percentages noted are averages.
Which day of the week is the cheapest day to buy a plane ticket to Underwood?
Generally, you can get cheap flights to Underwood on a Sunday. You'll save about 8% on average compared to booking on a Friday, which is typically the most expensive day to buy tickets.**Best day of the week to book, depart and ideal booking window recommendations based on average round-trip ticket prices for January through August 2023, sourced from Airline Reporting Corporation's (ARC) global airline sales database. Percentages noted are averages.
Which airlines fly to Underwood?
Getting to Underwood is as easy as deciding between two quality airlines. Find yourself a fare with either of these options:

  • Alaska Airlines - 11,812 flights to Underwood each month, including 8,912 flights to Seattle - Tacoma Intl. Airport (SEA) per month.
  • Delta Air Lines - 4,921 flights to Underwood each month, including 4,158 flights to Seattle - Tacoma Intl. Airport (SEA) per month.

Where do you fly into Underwood?
If you're flying to Underwood, the main airport to arrive at is The Dalles, OR (DLS-The Dalles Municipal). Alternatively, you could fly to Underwood via Portland - Troutdale Airport (TTD).
How far is the airport from central Underwood?
If you're flying into The Dalles, OR (DLS-The Dalles Municipal), you'll be roughly 19 mi southeast of the center of Underwood.
Can I save money by booking an Underwood trip package?
You could possibly save hundreds of dollars if you lock in an Underwood flight and hotel package deal on Expedia. And you'll save time and hassle by having all your travel plans in the same place. Try bundling your flight and hotel with add-ons like tours and activities for your own customized Underwood getaway.
Can I change or cancel my flight to Underwood?
It's often possible to change or cancel your flight to Underwood. Many airlines allow you to cancel flights for free within 24 hours of making your booking. However, some flights are non-refundable, and airlines may offer you credit for a future trip instead of a direct refund. To find affordable flights to Underwood with flexible change policies, pick the "Changes included" or "No cancel fee" filters when you search. Need more information? Check out our Customer Service Portal.

*Flight schedules are subject to change.

*Available to One Key members.

 

Travel information

Destination airport
Portland Intl.
Destination airport IATA code
PDX
Destination city name
Portland
Roundtrip price
$104

Trending flights to Underwood

Prices were available within the past 7 days and start at $28 for one-way flights and $104 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Thu, May 21 - Sat, May 23
LAX
Los Angeles
PDX
Portland
$104 Roundtrip, just found
$104
Roundtrip
just found
Select Frontier Airlines flight, departing Thu, May 21 from Los Angeles to Portland, returning Sat, May 23, priced at $104 just found

Explore a world of travel with Expedia