How many flights depart from Portland to United States on average per day?

As of October 2025, there are 180 flights per day flying from Portland to United States. The most common time of day flights depart is 7:00AM, with 46% of flights taking off at noon.

What is the cheapest airline that flies from Portland to United States?

Frontier, Alaska Airlines, and Hawaiian Airlines are the most popular carriers operating from Portland to United States

How many flights depart from Portland to United States on average per week?

As of October 2025, 1,265 flights take off from Portland and land in United States each week. The most common flight departure day for this route is Mon, with 20% of weekly flights taking off on this day.

What airlines fly to United States?

Alaska Airlines, Frontier and Delta are the top three most popular airlines that fly to United States from Portland according to our data. Alaska Airlines is the first choice among our users, with 40% of people opting to fly with this airline when traveling to United States. Keep in mind that there are 10 different airlines that fly to United States on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Portland Airport to United States?

Prices for flights from Portland Airport to United States are updated daily.

How many operators does momondo search for flights from Portland Airport to United States?

As of October 2025, there are 11 operators available to choose from for flights from Portland Airport to United States.

How old do you have to be to fly from Portland Airport to United States?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Portland Airport to United States.

What documentation or ID do you need to fly to United States?

The necessary travel and health documents for your United States trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$53 Cheap Flights from Portland to the United States in 2025/26

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Cheap round-trip flights

Enter your travel dates to find the best prices.

12:51 pm - 3:10 pmPDX-ONT

2h 19mnonstop

12:05 pm - 2:31 pmONT-PDX

2h 26mnonstop

$93Frontier

Find Deal

Fri, Nov 14 - Sun, Nov 16

12:51 pm - 3:10 pmPDX-ONT

2h 19mnonstop

12:05 pm - 2:31 pmONT-PDX

2h 26mnonstop

$94Frontier

Find Deal

Fri, Nov 14 - Sun, Nov 16

4:32 pm - 6:27 pmPDX-SFO

1h 55mnonstop

8:00 am - 9:50 amSFO-PDX

1h 50mnonstop

$127Alaska Airlines

Find Deal

Thu, Dec 4 - Mon, Dec 8

5:50 pm - 7:45 pmPDX-SFO

1h 55mnonstop

6:59 pm - 8:50 pmSFO-PDX

1h 51mnonstop

$129Alaska Airlines

Find Deal

Thu, Dec 4 - Mon, Dec 8

4:02 pm - 7:35 pmPDX-DEN

2h 33mnonstop

7:46 am - 9:38 amDEN-PDX

2h 52mnonstop

$137United Airlines

Find Deal

Wed, Dec 3 - Wed, Dec 10

7:45 pm - 9:43 pmPDX-SFO

1h 58mnonstop

4:57 pm - 6:48 pmSFO-PDX

1h 51mnonstop

$137United Airlines

Find Deal

Mon, Dec 22 - Wed, Dec 31

5:15 pm - 11:21 pmPDX-DEN

5h 06m1 stop

7:05 am - 12:40 pmDEN-PDX

6h 35m1 stop

$139Delta

Find Deal

Thu, Dec 11 - Thu, Dec 18

5:30 am - 12:34 pmPDX-ONT

7h 04m1 stop

5:49 pm - 10:37 pmONT-PDX

4h 48m1 stop

$142Delta

Find Deal

Tue, Dec 2 - Sat, Dec 6

5:14 am - 8:48 amPDX-PHX

2h 34mnonstop

8:45 am - 10:39 amPHX-PDX

2h 54mnonstop

$163American Airlines

Find Deal

Wed, Jan 14 - Sun, Jan 18

8:29 am - 12:09 pmPDX-PHX

2h 40mnonstop

8:45 am - 10:39 amPHX-PDX

2h 54mnonstop

$167American Airlines

Find Deal

Sat, Jan 10 - Sun, Jan 11

Frontier flights from Portland to United States

Our best Frontier deals on Portland to United States flight tickets

Frontier

Nov 14

PDX12:51 pmPortland

2h 19m

ONT3:10 pmOntario

Nov 16

ONT12:05 pmOntario

2h 26m

PDX2:31 pmPortland

$93

Find similar

Frontier

Nov 14

PDX12:51 pmPortland

2h 19m

ONT3:10 pmOntario

Nov 16

ONT12:05 pmOntario

2h 26m

PDX2:31 pmPortland

$94

Find similar

Frontier

Nov 14

PDX3:26 pmPortland

2h 41m

DEN7:07 pmDenver Intl

Nov 16

DEN10:05 amDenver Intl

2h 51m

PDX11:56 amPortland

$96

Find similar

American Airlines flights from Portland to United States

Our best American Airlines deals on Portland to United States flight tickets

American Airlines

Jan 14

PDX5:14 amPortland

2h 34m

PHX8:48 amPhoenix Sky Harbor Intl

Jan 18

PHX8:45 amPhoenix Sky Harbor Intl

2h 54m

PDX10:39 amPortland

$163

Find similar

American Airlines

Jan 10

PDX8:29 amPortland

2h 40m

PHX12:09 pmPhoenix Sky Harbor Intl

Jan 11

PHX8:45 amPhoenix Sky Harbor Intl

2h 54m

PDX10:39 amPortland

$167

Find similar

American Airlines

Nov 5

PDX5:42 pmPortland

2h 33m

LAX8:15 pmLos Angeles

Nov 15

LAX3:00 pmLos Angeles

2h 36m

PDX5:36 pmPortland

$239

Find similar

Fly from

Fly to

Route

Depart

Return

Price

PortlandOntario

PDX - ONT

PDXONT

Portland

Fri 11/14

12:51 pm-3:10 pm

Nonstop2h 19m

Ontario

Sun 11/16

12:05 pm-2:31 pm

Nonstop2h 26m

$93

PortlandOntario

PDX - ONT

PDXONT

Portland

Fri 11/14

12:51 pm-3:10 pm

Nonstop2h 19m

Ontario

Sun 11/16

12:05 pm-2:31 pm

Nonstop2h 26m

$94

PortlandSan Francisco

PDX - SFO

PDXSFO

Portland

Thu 12/4

4:32 pm-6:27 pm

Nonstop1h 55m

San Francisco

Mon 12/8

8:00 am-9:50 am

Nonstop1h 50m

$127

PortlandSan Francisco

PDX - SFO

PDXSFO

Portland

Thu 12/4

5:50 pm-7:45 pm

Nonstop1h 55m

San Francisco

Mon 12/8

6:59 pm-8:50 pm

Nonstop1h 51m

$129

PortlandDenver

PDX - DEN

PDXDEN

Portland

Wed 12/3

4:02 pm-7:35 pm

Nonstop2h 33m

Denver Intl

Wed 12/10

7:46 am-9:38 am

Nonstop2h 52m

$137

PortlandSan Francisco

PDX - SFO

PDXSFO

Portland

Mon 12/22

7:45 pm-9:43 pm

Nonstop1h 58m

San Francisco

Wed 12/31

4:57 pm-6:48 pm

Nonstop1h 51m

$137

PortlandDenver

PDX - DEN

PDXDEN

Portland

Thu 12/11

5:15 pm-11:21 pm

1 stop5h 06m

Denver Intl

Thu 12/18

7:05 am-12:40 pm

1 stop6h 35m

$139

PortlandOntario

PDX - ONT

PDXONT

Portland

Tue 12/2

5:30 am-12:34 pm

1 stop7h 04m

Ontario

Sat 12/6

5:49 pm-10:37 pm

1 stop4h 48m

$142

PortlandPhoenix

PDX - PHX

PDXPHX

Portland

Wed 1/14

5:14 am-8:48 am

Nonstop2h 34m

Phoenix Sky Harbor Intl

Sun 1/18

8:45 am-10:39 am

Nonstop2h 54m

$163

PortlandPhoenix

PDX - PHX

PDXPHX

Portland

Sat 1/10

8:29 am-12:09 pm

Nonstop2h 40m

Phoenix Sky Harbor Intl

Sun 1/11

8:45 am-10:39 am

Nonstop2h 54m

$167

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How to get the cheapest flight ticket from Portland to United States

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

Prices

Airlines

Other information

What is the cheapest month to fly to United States?

In general, January is the cheapest month to fly from Portland to United States. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $278. If you aren’t able to travel during the month of January, then book flights to United States from Portland during February instead. Flights to United States in February, while not as cheap as those in January, still average around $287.

What is the cheapest day to depart on your flight to United States?

According to our data, Friday is the cheapest day to fly to United States from Portland. The lowest ticket price found for a Friday departure recently was $463. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $600. These prices are subject to change though, so be sure to set up a Price Alert for flights to United States.

What is the cheapest time of day to depart on your flight to United States?

The cheapest time of day to fly to United States is in the afternoon when flights can be purchased for as low as $260. Try not to purchase tickets in the morning because they tend to be around $527. Of course, these prices can vary depending on the time of year and what airport you fly to.

What is the cheapest Portland to United States flight route?

Fly from Portland to Las Vegas Harry Reid Intl for the best Portland - United States flight prices

How far in advance should I book a flight to United States?

You are more likely to see cheaper flights to United States from Portland when booking weeks ahead of your departure date. In general, you can expect to find flights to United States for around $406 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to United States from Portland for as low as $315 on momondo.

What cabin class options are available on Portland to United States flights?

There are 4 cabin classes available to choose from on Portland to United States flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Portland to United States flights?

No. A direct flight is the cheapest option for a flight between Portland to United States.

Cheap Portland to United States flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Portland to United States

Best Price Found	$78
Fastest flight time	1h 47m
Direct flights	Every day
Airports in United States	1 airport

The best one-way flight to United States from Portland in the past 72 hours is $78. The best round-trip flight deal from Portland to United States found on momondo in the last 72 hours is $83.

The fastest flight from Portland to United States takes 1h 47m

Direct flights go from Portland to United States every day.

There is 1 airport near United States: San Francisco (SFO)

Search flight deals

When did momondo last update prices for flights from Portland Airport to United States?
Prices for flights from Portland Airport to United States are updated daily.
How many operators does momondo search for flights from Portland Airport to United States?
As of October 2025, there are 11 operators available to choose from for flights from Portland Airport to United States.
How old do you have to be to fly from Portland Airport to United States?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Portland Airport to United States.
What documentation or ID do you need to fly to United States?
The necessary travel and health documents for your United States trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Portland to United States?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Portland to United States is Boeing 737-800 Passenger/BBJ2 (winglets) (15.49% of total bookings). The next most popular plane models are Boeing 737 MAX 8 (10.94%), Boeing 737-900 Passenger/BBJ3 (winglets) (10.94%), and Boeing 737 MAX 9 (10.48%).

Best airlines flying from Portland to United States

Compare and see reviews for airlines that fly from Portland to United States with momondo

Airline	Rating	Free Cancellation	Price
Frontier	PriceFrom $36	Free Cancellation	Rating 5.8 3,123 reviews	Search Frontier flights
Spirit Airlines	PriceFrom $50	Free Cancellation	Rating 6.3 8,112 reviews	Search Spirit Airlines flights
Alaska Airlines	PriceFrom $63	Free Cancellation	Rating 8.0 11,193 reviews	Search Alaska Airlines flights
Hawaiian Airlines	PriceFrom $78	Free Cancellation	Rating 7.8 2,792 reviews	Search Hawaiian Airlines flights
United Airlines	PriceFrom $106	Free Cancellation	Rating 7.4 8,999 reviews	Search United Airlines flights
Delta	PriceFrom $129	Free Cancellation	Rating 7.9 7,996 reviews	Search Delta flights
JetBlue	PriceFrom $136	Free Cancellation	Rating 7.2 2,906 reviews	Search JetBlue flights
Southwest	PriceFrom $137	Free Cancellation	Rating 8.0 4,238 reviews	Search Southwest flights
American Airlines	PriceFrom $148	Free Cancellation	Rating 7.2 11,031 reviews	Search American Airlines flights
Sun Country Air	PriceFrom $193	Free Cancellation	Rating 6.9 335 reviews	Search Sun Country Air flights

Why use momondo?

Why should I use momondo to find a flight deal from Portland to United States?

Finding the right flight to United States from Portland is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to United States quick and easy, saving you time and money.

Can I find flights from Portland to United States with flexible booking policies on momondo?

Flights from Portland to United States 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 Portland to United States?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Portland to United States.

I’m not ready to book a flight from Portland to United States right now. Can momondo alert me if prices change?

Price alerts on flights to United States from Portland are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your United States trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

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Cheap flights from Portland to the United States from $53

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Portland to the United States departing on 1/15. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

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Find the cheapest flights from Portland to the United States

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

Cheap direct flights

Frontier flights from Portland to United States

Our best Frontier deals on Portland to United States flight tickets

American Airlines flights from Portland to United States

Our best American Airlines deals on Portland to United States flight tickets

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Use the filters below to find and compare flights from Portland to the United States that are best for you.

See travel insights to the United States from

How to get the cheapest flight ticket from Portland to United States

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 United States?

What is the cheapest day to depart on your flight to United States?

What is the cheapest time of day to depart on your flight to United States?

The cheapest time of day to fly to United States is in the afternoon when flights can be purchased for as low as $260. Try not to purchase tickets in the morning because they tend to be around $527. Of course, these prices can vary depending on the time of year and what airport you fly to.

What is the cheapest Portland to United States flight route?

Fly from Portland to Las Vegas Harry Reid Intl for the best Portland - United States flight prices

How far in advance should I book a flight to United States?

What cabin class options are available on Portland to United States flights?

There are 4 cabin classes available to choose from on Portland to United States flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Portland to United States flights?

No. A direct flight is the cheapest option for a flight between Portland to United States.

What is the cheapest airline that flies from Portland to United States?

Frontier, Alaska Airlines, and Hawaiian Airlines are the most popular carriers operating from Portland to United States

What airlines fly to United States?

How many flights depart from Portland to United States on average per day?

As of October 2025, there are 180 flights per day flying from Portland to United States. The most common time of day flights depart is 7:00AM, with 46% of flights taking off at noon.

How many flights depart from Portland to United States on average per week?

As of October 2025, 1,265 flights take off from Portland and land in United States each week. The most common flight departure day for this route is Mon, with 20% of weekly flights taking off on this day.

Cheap Portland to United States flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Portland to United States

Best Price Found

Fastest flight time

Direct flights

Airports in United States

When did momondo last update prices for flights from Portland Airport to United States?

How many operators does momondo search for flights from Portland Airport to United States?

How old do you have to be to fly from Portland Airport to United States?

What documentation or ID do you need to fly to United States?

What is the most popular plane model from Portland to United States?

Best airlines flying from Portland to United States

Compare and see reviews for airlines that fly from Portland to United States with momondo

Why use momondo?

Why should I use momondo to find a flight deal from Portland to United States?

Can I find flights from Portland to United States with flexible booking policies on momondo?

How can momondo help me find flights from Portland to United States?

I’m not ready to book a flight from Portland to United States right now. Can momondo alert me if prices change?

An easier way to manage your United States trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

Popular cities in the United States

Popular flights according to clicks in the last 7 days on momondo