$45 Find Cheap Flights from Portland to the United States

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Portland to the United States departing on 10/21. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
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Cheap Flights from Portland to the United States

Cheapest round-trip prices found by our users on KAYAK in the last 72 hours
New York
Newark1 stop$256
Los Angeles
Los Angelesnonstop$126
Las Vegas
Las Vegasnonstop$85
Miami
Miami1 stop$189
Chicago
Chicago1 stop$179
San Francisco
San Franciscononstop$89
Boston
Boston1 stop$217
Washington, D.C.
Baltimore1 stop$208
Denver
Denvernonstop$95
Seattle
Seattlenonstop$117
Fort Lauderdale
Fort Lauderdale1 stop$175
Atlanta
Atlanta1 stop$198
Dallas
Dallas1 stop$193
Phoenix
Phoenixnonstop$136
Tampa
Tampa1 stop$207
Houston
Houston1 stop$184
Honolulu
Honolulu1 stop$372
San Diego
San Diegononstop$177
Philadelphia
Philadelphia2 stops$213
New York
Newark1 stop$256
Los Angeles
Los Angelesnonstop$126
Las Vegas
Las Vegasnonstop$85
Miami
Miami1 stop$189
Chicago
Chicago1 stop$179
San Francisco
San Franciscononstop$89
Boston
Boston1 stop$217
Washington, D.C.
Baltimore1 stop$208
Denver
Denvernonstop$95
Seattle
Seattlenonstop$117
Fort Lauderdale
Fort Lauderdale1 stop$175
Atlanta
Atlanta1 stop$198
Dallas
Dallas1 stop$193
Phoenix
Phoenixnonstop$136
Tampa
Tampa1 stop$207
Houston
Houston1 stop$184
Honolulu
Honolulu1 stop$372
San Diego
San Diegononstop$177
Philadelphia
Philadelphia2 stops$213

Book Cheap Portland to the United States Plane Tickets

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Portland to the United States that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Portland to the United States

Tue, Sep 16 - Wed, Sep 17
Spirit Airlines Logo
12:07 pm - 2:21 pmPDX-LAS
2h 14mnonstop
Spirit Airlines Logo
8:52 am - 11:11 amLAS-PDX
2h 19mnonstop
$85Spirit Airlines
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Tue, Sep 16 - Thu, Sep 18
Spirit Airlines Logo
12:07 pm - 2:21 pmPDX-LAS
2h 14mnonstop
Spirit Airlines Logo
8:52 am - 11:11 amLAS-PDX
2h 19mnonstop
$86Spirit Airlines
Find Deal
Tue, Sep 9 - Tue, Sep 9
Alaska Airlines Logo
10:30 am - 1:04 pmPDX-LAX
2h 34mnonstop
Alaska Airlines Logo
3:46 pm - 8:31 pmLAX-PDX
4h 45m1 stop
$161Alaska Airlines
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Wed, Oct 15 - Sat, Oct 18
American Airlines Logo
2:45 pm - 5:15 pmPDX-LAX
2h 30mnonstop
American Airlines Logo
11:29 am - 2:04 pmLAX-PDX
2h 35mnonstop
$169American Airlines
Find Deal
Tue, Sep 23 - Tue, Sep 23
American Airlines Logo
5:16 am - 7:53 amPDX-PHX
2h 37mnonstop
American Airlines Logo
10:29 am - 1:16 pmPHX-PDX
2h 47mnonstop
$174American Airlines
Find Deal
Tue, Sep 9 - Sun, Sep 14
Alaska Airlines Logo
7:46 pm - 10:17 pmPDX-SNA
2h 31mnonstop
Alaska Airlines Logo
7:45 am - 10:15 amSNA-PDX
2h 30mnonstop
$187Alaska Airlines
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Wed, Oct 15 - Sat, Oct 18
United Airlines Logo
11:59 pm - 6:00 amPDX-ORD
4h 01mnonstop
United Airlines Logo
1:10 pm - 3:30 pmORD-PDX
4h 20mnonstop
$227United Airlines
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Tue, Sep 16 - Tue, Sep 30
United Airlines Logo
2:15 pm - 8:25 pmPDX-ORD
4h 10mnonstop
United Airlines Logo
7:55 pm - 10:30 pmORD-PDX
4h 35mnonstop
$229United Airlines
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Sun, Aug 31 - Tue, Sep 9
Delta Logo
5:35 am - 2:33 pmPDX-DFW
6h 58m1 stop
Delta Logo
4:20 pm - 9:48 pmDFW-PDX
7h 28m1 stop
$236Delta
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Tue, Sep 9 - Thu, Sep 18
Delta Logo
1:30 pm - 10:00 pmPDX-JFK
5h 30mnonstop
Delta Logo
5:55 pm - 9:05 pmJFK-PDX
6h 10mnonstop
$277Delta
Find Deal
Booking Insights

KAYAK's insights & trends for Portland to the United States flights

Get data-powered insights and trends into flights from Portland to the United States to help you find the cheapest flights, the best time to fly and much more.

What is the cheapest Portland to the United States flight route?

Data is based on round-trip flight searches on KAYAK over the past month.

The cheapest ticket to the United States from Portland found in the last 72 hours was to Las Vegas, at $72 round-trip. The most popular route is from Portland (PDX) to Denver (DEN), and the cheapest round-trip airline ticket found on this route in the last 72 hours was $106.

Can I save money by flying with a layover from Portland to the United States?

The average round-trip price for all non-stop flights, flights with one layover, and flights with two layovers for the route found by users searching on KAYAK in the last 2 weeks.

Yes, flying with a layover may cost you more time, but you can also save money on the route, with a 2 stops layover the cheapest option at $679 on average.

What is the cheapest month to fly from Portland to the United States?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Portland to the United States, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Portland to the United States is January, when tickets cost $277 (return) on average. On the other hand, the most expensive months are December and June, when the average cost of round-trip tickets is $522 and $447 respectively.

What’s the cheapest day of the week to fly from Portland to United States?

The average price of all round-trip flights from Portland to the United States clicked on KAYAK for each day over the last 12 months.

Your flight ticket price will generally be cheaper if you fly to United States on a Friday and more expensive on a Sunday. On your return trip to Portland, you should consider flying back on a Wednesday, and avoid Sundays for better deals.

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

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from Portland to the United States, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below average price on the flight from Portland to the United States, you should book around 4 weeks before departure, which saves you about 46% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 24 weeks before departure.

Good to know

Low seasonFebruary
Cheapest flight$45
Best time to beat the crowds with an average 8% drop in price.
Most popular time to fly with an average 23% increase in price.
Flight from Portland to Las Vegas

Flights from Portland to the United States: the best tips from KAYAK users

Insights shared by verified travelers who flew the route from Portland to the United States 
Verified travelerFlew with FrontierPDX-DENJun 2025
Make sure your carry on bag meets the size limit as bin space on plane is limited. Check any bags online in advance to avoid extra charges for using agent at the airport.
CatlinFlew with Alaska AirlinesPDX-LAXJun 2025
New terminal at PDX is gorgeous & very easy. LAX is a horrible, stressful mess & worse than when I grew up there. Waited with confirmed reservation at Dollar rentals for 90 minutes with 3 clerks. ALLOW EXTRA TIME.
Verified travelerFlew with American AirlinesPDX-DFWMay 2025
Check out the barbecue shacks in the airport. I didn’t; regret that. They also have an in-terminal food delivery service. Maybe run by Uber Eats
Verified travelerFlew with Alaska AirlinesPDX-SBPApr 2025
Super easy airport, TSA is organized and efficient. Lots of food choices once at the gates. There is a piano player on a grand piano!
Verified travelerFlew with Alaska AirlinesPDX-BURMay 2025
Good to get to PDX early because it is a great airport to hang out in.
Verified travelerFlew with Alaska AirlinesPDX-MFRApr 2025
Arrive 2 hours early, figure out the location of baggage/pass kiosks and gates, minimize all that excess carry-on stuff people seem to lug onto the plane. Also, the airline should do like some did in the old days, board in this order: 1)first class and special attention, 2) then board from the BACK OF THE PLANE TO THE FRONT OF BUSINESS/COACH. Why is this not a thing? Used to be soooo much more efficient, no one in anyone else's way.
Verified travelerFlew with Alaska AirlinesPDX-SFOMay 2025
My mom told me prior to boarding an airplane I should empty my bladder. As I age, that advice becomes more sage.
RobertFlew with Alaska AirlinesPDX-SFOMay 2025
That flights from Portland to S.F. with an international Eva air connect require checking in again before boarding
BrentFlew with Alaska AirlinesPDX-BUROct 2024
At PDX, you can go to either security checkpoint upon entering. Even if the checkpoint with the shorter line is not sided with your concourse, it's all connected & knowing this can save you 30 minutes or more in line.
Verified travelerFlew with Alaska AirlinesPDX-LAXOct 2024
LAX is a large airport with long walking distances to exit in terminal 6.
Verified travelerFlew with Alaska AirlinesPDX-SLCJul 2024
Alaska, Southwest and Delta are my go-to's. Stay away from independent airlines that can cancel flights without much warning. Also, order tickets at least 2 months out for whichever airline you choose, and avoid third party agents, because they lack the protection you need if flights run into problems.
Verified travelerFlew with Alaska AirlinesPDX-BURJun 2024
PDX can be slow getting through TSA but the car rental return is super easy. Still might need to add a little more time than you usually would.
Verified travelerFlew with Alaska AirlinesPDX-SANJul 2024
Definitely arrive the 2 hours before your flight or you will have no extra time before boarding. Wear comfortable walking shoes.
Verified travelerFlew with Alaska AirlinesPDX-LAXJun 2024
Los Angeles airport has convenient entry & exit without long walks to & from the gates.
MatthewFlew with American AirlinesPDX-CLTJul 2024
Nothing special, just make sure to arrive at the gate approximately 45 minutes before boarding, there was some confusion with the number system.
Verified travelerFlew with Alaska AirlinesPDX-SNAJul 2024
Bring your own food and coffee. No hot bevarages available.
BobFlew with Alaska AirlinesPDX-BURApr 2024
We usually fly on Southwest, which allows entering and exiting the plane in both the front and the rear of the plane. I was hoping for the same options on Alaska Airlines, but discovered that they do not use that approach at Burbank. I don''t know whether this is specific to Alaska Air, or maybe specific to the fact that it is in a different terminal at Burbank than Southwest uses. Had I known ahead of time that they did not allow deplaning from the rear exit, I would not have chosen seats in the rear of the plane.
ronieFlew with Alaska AirlinesPDX-BZNFeb 2024
Keep carry on items to a minimum due to overcrowding overhead bins. Opt for gate checked bags or complimentary checked luggage because Alaska airlines baggage claim retrieval time is so fast
Verified travelerFlew with Alaska AirlinesPDX-SJCDec 2023
The people who find your lost bags will call you, so always label your bags! They also have separate offices. Their service is great too. Just make sure to set up transportation from San Jose when landing if you have somewhere to be. The Uber drivers and Lyft drivers are extremely bad at speaking English, and will often not even take customers who try to engage them, even if you schedule or give them cash. There are shuttles for around the Bay Area, but they can be a pain if you do not have 25$ in cash. I was a little late to San Jose. Alaska lost a free checked bag. I left it on the plane, and then I managed to leave it at the airport after barely catching a shuttle. Well, I caught a ride with two people and a Uber driver. I was going to split fares, right? Well, the Uber driver and I had so much in common and she felt so sorry for me, because I did NOT make it to SFO in time....that she offered to have me stay with her husband and her. I did not want to invade her space at all, so I had her drop me off at SFO. She didn't charge me! Nicest woman I ever met. I ended up staying overnight like she warned in SFO, because the airport doesn't have restaurants or anything that stay open overnight. I was hungry and planning to get something. I didn't get a chance to, because another airline, United, isn't as organized and doesn't care as much. They just told me I missed a flight and the next one I'd have to see if I get onto unless I bought a standby ticket. Which I did. And they told me the Gate changed 4 different times, and made me stay in line for no reason. I just sat in one place for a few hours. One good thing about San Jose is that they do have restaurants, places to sit adjacent to the restaurants, and the different gates, in a very clear layout. There are also clearly posted hours. PDX is very fancy but not very clearly marked in some ways. SFO is an open layout and the gates are clear but there are also points you can't get past. In PDX, you can also rent a car. Both places have large complexes for cars.
Verified travelerFlew with American AirlinesPDX-DFWJan 2024
Always allow at least 90 minutes for connections in Dallas. Flights seem to be late often and it’s a big airport to navigate.
Verified travelerFlew with Alaska AirlinesPDX-PHXJan 2024
If you need to keep your blood sugar up, bring your own snacks or order a meal ahead of time.
DarleneFlew with Alaska AirlinesPDX-SLCFeb 2024
Easy boarding. SLC gate was a long way from baggage claim.

FAQs - booking United States flights

  • How does KAYAK find such low prices on flights from Portland to the United States?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Portland to the United States.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Portland to the United States?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from Portland to the United States is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Portland to the United States?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly from Portland to the United States with an airline and back with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Portland to the United States?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying from Portland to the United States up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

  • What is the cheapest time of day to fly to the United States?

    The cheapest time of day to fly to the United States is generally in the evening, when round-trip flights cost $260 on average. Morning departures are around 103% more expensive than evening flights, on average. The most expensive time of day to fly to the United States is generally in the morning, which is peak travel time and where the average cost of a ticket is $528.

Top tips for finding cheap flights to the United States

  • Looking for a cheap flight? 25% of our users found tickets from Portland to the following destinations at these prices or less: Denver $139 one-way - $194 round-trip; Los Angeles $131 one-way - $186 round-trip; Seattle $194 one-way - $524 round-trip

Reviews of the top 5 airlines serving from Portland to the United States

 
Need help choosing which airline to fly with from Portland to the United States? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
8.0
Alaska AirlinesOverall score based on 10000 reviews
7.8Comfort
8.1Boarding
8.5Crew
7.1Food
7.0Entertainment
Airline reviews

generally good. No snacks or drinks on the flight 3379 from Portland to San Jose, CA. Sad.

8.0 ExcellentAnonymous, Aug 2025PDX - SJC
Read more Alaska Airlines reviews

generally good. No snacks or drinks on the flight 3379 from Portland to San Jose, CA. Sad.

Everything except for the lack of a choice of the snack provided was great.

I like the friendliness of the staff. The food choices were OK. I wish there was more options. The entertainment through the movie portal was alright.

First time flying with Alaska, and it went great. Thank you for a great experience flying to PDX.

There was a very drunk man behind me who kept talking loudly to no one in particular. He was slurring his words and at times he didn’t know where we were going or whether or not we landed. He was also loudly using a lot of profanity. The attendants didn’t seem to notice or care and in fact continued to serve him alcohol. He was allowed to purchase 4 little bottles.

We did not realize there wasn't any food apart from a small packet of pretzels - I dropped one and nearly cried.

I recently flew with Alaska Airlines on a trip to Oregon and had a very frustrating experience that I hope the airline can learn from. I purchased upgraded seats with extra legroom for my flight, paying the additional fees for the comfort and space. During my trip planning, I called customer service to inquire about their pet travel policies and conditions, as I was considering bringing my dogs. However, I ultimately decided NOT to bring my pets and never authorized or confirmed any pet travel arrangements. Despite this, Alaska Airlines took it upon themselves to change my seat assignment without any notification or contact. When I arrived for my flight, I discovered that my paid upgrade had been downgraded to a regular seat - presumably because they assumed I would be traveling with pets based on my inquiry call. I hope Alaska Airlines will improve their communication processes and ensure that customer inquiries don’t automatically trigger booking changes without explicit customer authorization. Better staff training on distinguishing between inquiries and actual bookings would prevent this type of situation in the future. While I appreciate that the airline tries to accommodate pet travelers, making assumptions and changes without customer consent is poor service that needs to be addressed.

The customer service personnel were excellent. We had pre-ordered two meals but they could only provide one of them; they substituted the meal with a snack at no charge. Flight was on-time.

At the Portland airport, Alaska Airlines has put in a system where you have to create your own bag tag, then put your own suitcase onto a scale to weigh it. The day we were there, the system was not working properly, and we kept on being told to go onto different lines so it took us approximately 45 minutes to check our bag in. I do not work for the airlines why am I subjected to doing this? How all these companies are shifting their work onto people who have paid good money for their products is crazy. And then the system that the customers are supposed to use don't work properly..

Flight was great. Baggage claim at both ends (SEA and ATL) was atrocious.

Three seats in first class were broken and while they were able to still acommodate us it was looking very touch and go and they had others they could not acommodate

Mechanic delay in addition to a 2 hour change in takeoff time was frustrating.

Delayed due to thunderstorms and no in-flight service due to rough weather — both of which are out of Delta’s control. Flight was good overall.

The flight attendants in SLC were rude. I arrived 40 minutes early to gate. Ticket said I needed check in for seat assignments and tried check in and attendants said they weren’t doing it. And proceeded to never call me to give me a ticket so when time to board I received the very last seat. Please relay to employees to do their job better..,

On this flight I felt the food offering was not as complete as on previous flights. The tomato salad was a bit off and there was nothing additional such a bread or butter. The breakfast was only one option, so you either ate what they had or ate nothing. The crew was efficient, but most seemed frustrated throughout the flight. The flight arrived early and was obstacle-free, so I’m overall quite happy, but the shine in the rest of the experience just wasn’t there.

The seats got pretty uncomfortable pretty fast. The armrests are bigger than on other planes, so I had less room in the actual seat. My butt hurt by the end of the flight. :/ comfort was the primary issue. The crew were fantastic!

I believe that a four-hour trip should have a meal. Delta had none.

Great flight with Delta! Boarding was quick and easy, the amenities were solid, and the plane was in great shape. The flight attendants had a fun, lively energy while staying professional. All in all, a smooth trip — even managed to catch up on some rest. Thanks, Delta!

I was uncomfortably cold on the plane. Other than that it was uneventful and therefore as enjoyable as a plane ride can be.

There was supposed to be a meal served, but there wasn’t and the major toilet was out of order

I understand stuff happens, but plane failures are likely due to lack of maintenance. Additionally, air conditioning wasn't working, no snack/drink service, no WiFi. Fortunately, the crew was communicative and light-hearted. United grabbed another plane and we were able to get to our destination.

There was no food available for this red eye... one little waffle cookie for a 6+ hour flight... thank God I was able to sleep some

It is clear that someone knew, and competent, is in charge of food at United Airlines at least for the international flights. I was flying in coach, but the choices of the dinner were excellent. Tasty, and appropriate size. I had the beef, which was a little bit like a shepherds pie, and it was good. Nothing comparable has been served on a United flight in years. It will not be confused with three star food, but it is very good for airline food. Even better was the breakfast choice between a cinnamon roll and a breakfast sandwich. I chose the breakfast sandwich which was absolutely delicious and which I would happily order again at my local Starbucks or Panera. It is clear that someone knew indifferent is in charge of the food and it’s about time.

The flight was comfortable with the exit row and great service

Had to cancel first flight because Airporter Bus took over 3 hrs to get to airport which resulted in an extra $378 dollar fare . Is there anyway I can be reimbursed for initial fare since it was not my fault? Sent from my iPhone EJ Ledet

Plane was crowded and even when we hit altitude, the plane was hot, not enough air flow.

Flight attendant in first class gave poor service (like he didn't want to be there) and food was awful. We sat waiting for gate upon arrival over 45 mins.

Stuck on tarmac for two hours plus a 5.5 hour flight. Rude flight attendant. And no meals, not even for purchase!

Excellent flight. Boarding was efficient and departure was on time. Smooth flight with on time arrival. Deplaning was also efficient.

This flight was perfect. No complaints and only the highest regard for the crew and ground staff and how they executed perfectly. I fly a lot with United and would request predictability and transparency in their operations instead of last minute changes.

Delayed flight that lead to a missed connection and a 5-hour trip became a 12-hour flight 🙄

Any flight to ORD after about 2pm this summer has been challenging. Flight was delayed getting in (coming from ORD) and that led to it not leaving before a ground stop due to lightening before they could fuel the plane, and so forth. They made up some time but we were still late in arriving at ORD, and that led to missed connections.

Food was ok, but not as good as I have had before on AA.

No issues. They did change our gate FOUR times in about 30 minutes which was mildly annoying but the flight was fine.

Great flight. No issues at all. I still think boarding could be more efficient but otherwise, a good experience.

Pretty good. The food was just mediocre, the boarding and crew were good.

The comfort of the seats was great, the crew eased my child’s anxieties and the fact that I had full cans of my beverage choice was great.

My flight got switched and my prepaid bag didnt transfer over properly so I paid to check ANOTHER BAG. I was placed in a middle seat and it was just miserable. At least it was a bulkhead row so I had legroom. The flight just never seem3d to end

4 hours late, including over +1 hour waiting in plane to take off. Baggage left behind too.

Sat on the ground in Cincinnati for 50 minutes before deplaning

Great for the price. No wifi or entertainment, but gate agents and crew were fantastic and we boarded quickly and left on time.

sluggish boarding and arrival procedures, fake nice flight attendants, and lots of delays.

Disaster. They lied every step of the way. We ended up being delayed due to crew and then allegedly abandoned the flight because of a curfew at LGA. No rebooking to LGA at any reasonable time. No hotel. No meal vouchers. Had to sleep in the airport and fly to Newark instead. Will never fly Frontier again.

What I expected, nickeled and dined and a frontier flight attendant loudly complained about her job and lack of communication as she headed to the gate on her cell phone. Not professional.

As every law enforcement agency I could imagine surrounded the plane and we didn’t disembark for 2 hours and then had to stick around for another hour to go get our personal belongings after leaving them behind and being bused away from the plane, it was scary and inconvenient. We were given no information as to why this was happening. Lack of communication with passengers was disappointing.

After boarding and un-boarding twice over 6+hours, the flight was canceled.

Severe turbulence. Captain never came on to reassure passengers after things settled down.

My first flight was delayed 5 hours. The 2nd flight was canceled til the next day and the never even tried to compensate for it. Worse I was delayed again on the flight the rebooked me on.

Boarding in Orlando was not good. Giant mob at the gate, should have been lines.

Decent clean onboard experience. Okay discount airline experience. Unfortunately, any customer service interactions are difficult and unhelpful. There is no service. Also, a premium seat only gets you premium boarding if you line up first. Once they start general boarding you must go to the back of the line. Not very premium

Everything you need to know for your flight from Portland to the United States

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